app_dart/test/request_handlers/github_webhook_test.dart - external/github.com/flutter/cocoon - Git at Google

 // Copyright 2019 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 import 'dart:convert';
 import 'dart:typed_data';

 import 'package:cocoon_service/cocoon_service.dart';
 import 'package:cocoon_service/src/model/appengine/service_account_info.dart';
 import 'package:cocoon_service/src/model/luci/buildbucket.dart';
 import 'package:cocoon_service/src/request_handling/exceptions.dart';
 import 'package:cocoon_service/src/service/buildbucket.dart';
 import 'package:cocoon_service/src/service/github_status_service.dart';
 import 'package:cocoon_service/src/service/luci_build_service.dart';

 import 'package:crypto/crypto.dart';
 import 'package:github/github.dart';
 import 'package:mockito/mockito.dart';
 import 'package:test/test.dart';

 import '../model/github/checks_test_data.dart';
 import '../src/datastore/fake_cocoon_config.dart';
 import '../src/request_handling/fake_http.dart';
 import '../src/request_handling/request_handler_tester.dart';
 import '../src/utilities/mocks.dart';

 void main() {
   group('githubWebhookPullRequest', () {
     GithubWebhook webhook;

     FakeHttpRequest request;
     FakeConfig config;
     MockGitHub gitHubClient;
     MockIssuesService issuesService;
     MockPullRequestsService pullRequestsService;
     MockBuildBucketClient mockBuildBucketClient;
     RequestHandlerTester tester;
     MockHttpClient mockHttpClient;
     const String serviceAccountEmail = 'test@test';
     LuciBuildService luciBuildService;
     ServiceAccountInfo serviceAccountInfo;
     GithubStatusService githubStatusService;
     MockGithubChecksService mockGithubChecksService;

     const String keyString = 'not_a_real_key';

     const String cqLabelName = 'CQ+1';

     String getHmac(Uint8List list, Uint8List key) {
       final Hmac hmac = Hmac(sha1, key);
       return hmac.convert(list).toString();
     }

     setUp(() async {
       serviceAccountInfo = const ServiceAccountInfo(email: serviceAccountEmail);
       request = FakeHttpRequest();
       config = FakeConfig(deviceLabServiceAccountValue: serviceAccountInfo);
       gitHubClient = MockGitHub();
       mockHttpClient = MockHttpClient();
       issuesService = MockIssuesService();
       pullRequestsService = MockPullRequestsService();
       mockBuildBucketClient = MockBuildBucketClient();
       tester = RequestHandlerTester(request: request);
       serviceAccountInfo = await config.deviceLabServiceAccount;

       /// LUCI service class to communicate with buildBucket service.
       luciBuildService = LuciBuildService(
         config,
         mockBuildBucketClient,
         serviceAccountInfo,
       );

       githubStatusService = GithubStatusService(
         config,
         luciBuildService,
       );

       mockGithubChecksService = MockGithubChecksService();

       webhook = GithubWebhook(config, mockBuildBucketClient, luciBuildService,
           githubStatusService, mockGithubChecksService,
           skiaClient: mockHttpClient);

       when(gitHubClient.issues).thenReturn(issuesService);
       when(gitHubClient.pullRequests).thenReturn(pullRequestsService);

       config.nonMasterPullRequestMessageValue = 'nonMasterPullRequestMessage';
       config.missingTestsPullRequestMessageValue =
           'missingTestPullRequestMessage';
       config.goldenBreakingChangeMessageValue = 'goldenBreakingChangeMessage';
       config.goldenTriageMessageValue = 'goldenTriageMessage';
       config.githubOAuthTokenValue = 'githubOAuthKey';
       config.webhookKeyValue = keyString;
       config.githubClient = gitHubClient;
       config.deviceLabServiceAccountValue =
           const ServiceAccountInfo(email: serviceAccountEmail);

       config.luciTryBuildersValue = (json.decode('''[
     {"name": "Cocoon", "repo": "cocoon"},
     {"name": "Linux", "repo": "flutter", "taskName": "linux_bot"},
     {"name": "Mac", "repo": "flutter", "taskName": "mac_bot"},
     {"name": "Windows", "repo": "flutter", "taskName": "windows_bot"},
     {"name": "Linux Coverage", "repo": "flutter"},
     {"name": "Linux Host Engine", "repo": "engine"},
     {"name": "Linux Android AOT Engine", "repo": "engine"},
     {"name": "Linux Android Debug Engine", "repo": "engine"},
     {"name": "Mac Host Engine", "repo": "engine"},
     {"name": "Mac Android AOT Engine", "repo": "engine"},
     {"name": "Mac Android Debug Engine", "repo": "engine"},
     {"name": "Mac iOS Engine", "repo": "engine"},
     {"name": "Windows Host Engine", "repo": "engine"},
     {"name": "Windows Android AOT Engine", "repo": "engine"}
   ]''') as List<dynamic>).cast<Map<String, dynamic>>();
       config.cqLabelNameValue = cqLabelName;
     });

     test('Rejects non-POST methods with methodNotAllowed', () async {
       expect(tester.get(webhook), throwsA(isA<MethodNotAllowed>()));
     });

     test('Rejects missing headers', () async {
       expect(tester.post(webhook), throwsA(isA<BadRequestException>()));
     });

     test('Rejects invalid hmac', () async {
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.headers.set('X-Hub-Signature', 'bar');
       request.body = 'Hello, World!';
       expect(tester.post(webhook), throwsA(isA<Forbidden>()));
     });

     test('Rejects malformed unicode', () async {
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.bodyBytes = Uint8List.fromList(<int>[0xc3, 0x28]);
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(request.bodyBytes, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       expect(tester.post(webhook), throwsA(isA<BadRequestException>()));
     });

     test('Rejects non-json', () async {
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = 'Hello, World!';
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       expect(tester.post(webhook), throwsA(isA<BadRequestException>()));
     });

     test('Acts on opened against dev', () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate('opened', issueNumber, 'dev');
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');

       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
         (_) => Stream<PullRequestFile>.value(
           PullRequestFile()..filename = 'packages/flutter/blah.dart',
         ),
       );

       when(issuesService.listCommentsByIssue(slug, issueNumber)).thenAnswer(
         (_) => Stream<IssueComment>.value(
           IssueComment()..body = 'some other comment',
         ),
       );

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(skiaIgnoreTemplate()) as Uint8List);
       when(mockHttpClient
               .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
           .thenAnswer(
               (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       await tester.post(webhook);

       verify(pullRequestsService.edit(
         slug,
         issueNumber,
         base: 'master',
       )).called(1);

       verify(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.nonMasterPullRequestMessageValue)),
       )).called(1);
     });

     test('Framework labels PRs, comment if no tests', () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate('opened', issueNumber, 'master');
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
         (_) => Stream<PullRequestFile>.value(
           PullRequestFile()..filename = 'packages/flutter/blah.dart',
         ),
       );

       when(issuesService.listCommentsByIssue(slug, issueNumber)).thenAnswer(
         (_) => Stream<IssueComment>.value(
           IssueComment()..body = 'some other comment',
         ),
       );

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(skiaIgnoreTemplate()) as Uint8List);
       when(mockHttpClient
               .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
           .thenAnswer(
               (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       await tester.post(webhook);

       verify(issuesService.addLabelsToIssue(
         slug,
         issueNumber,
         <String>['framework'],
       )).called(1);

       verify(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.missingTestsPullRequestMessageValue)),
       )).called(1);
     });

     test('Framework labels PRs, no dart files', () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate('opened', issueNumber, 'master');
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
         (_) => Stream<PullRequestFile>.value(
           PullRequestFile()..filename = 'packages/flutter/blah.md',
         ),
       );

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(skiaIgnoreTemplate()) as Uint8List);
       when(mockHttpClient
               .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
           .thenAnswer(
               (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       await tester.post(webhook);

       verify(issuesService.addLabelsToIssue(
         slug,
         issueNumber,
         <String>['framework'],
       )).called(1);

       verifyNever(issuesService.createComment(
         slug,
         issueNumber,
         any,
       ));
     });

     test('Framework labels PRs, no comment if tests', () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate('opened', issueNumber, 'master');
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
         (_) => Stream<PullRequestFile>.fromIterable(<PullRequestFile>[
           PullRequestFile()..filename = 'packages/flutter/semantics_test.dart',
           PullRequestFile()..filename = 'packages/flutter_tools/blah.dart',
           PullRequestFile()..filename = 'packages/flutter_driver/blah.dart',
           PullRequestFile()..filename = 'examples/flutter_gallery/blah.dart',
           PullRequestFile()..filename = 'dev/blah.dart',
           PullRequestFile()..filename = 'bin/internal/engine.version',
           PullRequestFile()
             ..filename = 'packages/flutter/lib/src/cupertino/blah.dart',
           PullRequestFile()
             ..filename = 'packages/flutter/lib/src/material/blah.dart',
           PullRequestFile()
             ..filename = 'packages/flutter_localizations/blah.dart',
         ]),
       );

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(skiaIgnoreTemplate()) as Uint8List);
       when(mockHttpClient
               .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
           .thenAnswer(
               (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       await tester.post(webhook);

       verify(issuesService.addLabelsToIssue(
         slug,
         issueNumber,
         <String>[
           'framework',
           'a: accessibility',
           'tool',
           'a: tests',
           'd: examples',
           'team',
           'team: gallery',
           'engine',
           'f: cupertino',
           'f: material design',
           'a: internationalization',
         ],
       )).called(1);

       verifyNever(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.missingTestsPullRequestMessageValue)),
       ));
     });

     test('Engine labels PRs, comment if no tests', () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate(
         'opened',
         issueNumber,
         'master',
         repoName: 'engine',
         repoFullName: 'flutter/engine',
       );
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'engine');

       when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
         (_) => Stream<PullRequestFile>.value(
           PullRequestFile()
             ..filename = 'shell/platform/darwin/ios/framework/Source/boost.mm',
         ),
       );

       when(issuesService.listCommentsByIssue(slug, issueNumber)).thenAnswer(
         (_) => Stream<IssueComment>.value(
           IssueComment()..body = 'some other comment',
         ),
       );

       when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
         return const BatchResponse(
           responses: <Response>[],
         );
       });

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(skiaIgnoreTemplate()) as Uint8List);
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       await tester.post(webhook);

       verify(issuesService.addLabelsToIssue(
         slug,
         issueNumber,
         <String>['platform-ios'],
       )).called(1);

       verify(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.missingTestsPullRequestMessageValue)),
       )).called(1);
     });

     test('Engine labels PRs, no code files', () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate(
         'opened',
         issueNumber,
         'master',
         repoName: 'engine',
         repoFullName: 'flutter/engine',
       );
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'engine');

       when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
         (_) => Stream<PullRequestFile>.value(
           PullRequestFile()..filename = 'DEPS',
         ),
       );

       when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
         return const BatchResponse(
           responses: <Response>[],
         );
       });

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(skiaIgnoreTemplate()) as Uint8List);
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       await tester.post(webhook);

       verifyNever(issuesService.addLabelsToIssue(
         slug,
         issueNumber,
         any,
       ));

       verifyNever(issuesService.createComment(
         slug,
         issueNumber,
         any,
       ));
     });

     test('Engine labels PRs, no comment if Java tests', () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate(
         'opened',
         issueNumber,
         'master',
         repoName: 'engine',
         repoFullName: 'flutter/engine',
       );
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'engine');

       when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
         (_) => Stream<PullRequestFile>.fromIterable(<PullRequestFile>[
           PullRequestFile()
             ..filename = 'shell/platform/android/io/flutter/Blah.java',
           PullRequestFile()
             ..filename = 'shell/platform/android/test/io/flutter/BlahTest.java',
         ]),
       );

       when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
         return const BatchResponse(
           responses: <Response>[],
         );
       });

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(skiaIgnoreTemplate()) as Uint8List);
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       await tester.post(webhook);

       verify(issuesService.addLabelsToIssue(
         slug,
         issueNumber,
         <String>[
           'platform-android',
         ],
       )).called(1);

       verifyNever(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.missingTestsPullRequestMessageValue)),
       ));
     });

     test('Engine labels PRs, no comment if cc tests', () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate(
         'opened',
         issueNumber,
         'master',
         repoName: 'engine',
         repoFullName: 'flutter/engine',
       );
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'engine');

       when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
         (_) => Stream<PullRequestFile>.fromIterable(<PullRequestFile>[
           PullRequestFile()..filename = 'fml/blah.cc',
           PullRequestFile()..filename = 'fml/blah_unittests.cc',
         ]),
       );

       when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
         return const BatchResponse(
           responses: <Response>[],
         );
       });

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(skiaIgnoreTemplate()) as Uint8List);
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       await tester.post(webhook);

       verifyNever(issuesService.addLabelsToIssue(
         slug,
         issueNumber,
         any,
       ));

       verifyNever(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.missingTestsPullRequestMessageValue)),
       ));
     });

     test('No labels when only pubspec.yaml changes', () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate('opened', issueNumber, 'master');
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
         (_) => Stream<PullRequestFile>.fromIterable(<PullRequestFile>[
           PullRequestFile()..filename = 'packages/flutter/pubspec.yaml',
           PullRequestFile()..filename = 'packages/flutter_tools/pubspec.yaml',
         ]),
       );

       await tester.post(webhook);

       verify(issuesService.addLabelsToIssue(
         slug,
         issueNumber,
         <String>['team'],
       )).called(1);

       verifyNever(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.missingTestsPullRequestMessageValue)),
       ));
     });

     test('Labels Golden changes based on Skia Gold ignore, comments to notify',
         () async {
       const int issueNumber = 1234;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate('opened', issueNumber, 'master');
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       when(pullRequestsService.listFiles(slug, issueNumber))
           .thenAnswer((_) => Stream<PullRequestFile>.value(
                 PullRequestFile()..filename = 'some_change.dart',
               ));

       when(issuesService.listCommentsByIssue(slug, issueNumber)).thenAnswer(
         (_) => Stream<IssueComment>.value(
           IssueComment()..body = 'some other comment',
         ),
       );

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(
                   skiaIgnoreTemplate(pullRequestNumber: issueNumber.toString()))
               as Uint8List);
       when(mockHttpClient
               .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
           .thenAnswer(
               (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       await tester.post(webhook);

       verify(issuesService.addLabelsToIssue(
         slug,
         issueNumber,
         <String>[
           'will affect goldens',
           'severe: API break',
           'a: tests',
         ],
       )).called(1);

       verify(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.goldenBreakingChangeMessageValue)),
       )).called(1);
     });

     test('Golden triage comment when closed && merged from ignores', () async {
       const int issueNumber = 1234;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate(
         'closed',
         issueNumber,
         'master',
         merged: true,
       );
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       when(pullRequestsService.listFiles(slug, issueNumber))
           .thenAnswer((_) => Stream<PullRequestFile>.value(
                 PullRequestFile()..filename = 'some_change.dart',
               ));

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(
                   skiaIgnoreTemplate(pullRequestNumber: issueNumber.toString()))
               as Uint8List);
       when(mockHttpClient
               .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
           .thenAnswer(
               (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       await tester.post(webhook);

       verify(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.goldenTriageMessageValue)),
       )).called(1);
     });

     test('No golden triage comment when closed && !merged from labels',
         () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate('closed', issueNumber, 'master');
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       when(issuesService.listLabelsByIssue(any, issueNumber)).thenAnswer((_) {
         return Stream<IssueLabel>.fromIterable(<IssueLabel>[
           IssueLabel()..name = 'will affect goldens',
         ]);
       });

       when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
         return const BatchResponse(
           responses: <Response>[
             Response(
               searchBuilds: SearchBuildsResponse(
                 builds: <Build>[],
               ),
             ),
           ],
         );
       });

       await tester.post(webhook);

       verifyNever(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.goldenTriageMessageValue)),
       ));
     });

     test('No golden triage comment when closed && !merged from ignores',
         () async {
       const int issueNumber = 1234;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate('closed', issueNumber, 'master');
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       when(pullRequestsService.listFiles(slug, issueNumber))
           .thenAnswer((_) => Stream<PullRequestFile>.value(
                 PullRequestFile()..filename = 'some_change.dart',
               ));

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(
                   skiaIgnoreTemplate(pullRequestNumber: issueNumber.toString()))
               as Uint8List);
       when(mockHttpClient
               .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
           .thenAnswer(
               (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
         return const BatchResponse(
           responses: <Response>[
             Response(
               searchBuilds: SearchBuildsResponse(
                 builds: <Build>[],
               ),
             ),
           ],
         );
       });

       await tester.post(webhook);

       verifyNever(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.goldenTriageMessageValue)),
       ));
     });

     test('Cancels builds when pull request is closed without merging',
         () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate('closed', issueNumber, 'master');
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       when(pullRequestsService.listFiles(slug, issueNumber))
           .thenAnswer((_) => Stream<PullRequestFile>.value(
                 PullRequestFile()..filename = 'some_change.dart',
               ));

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(
                   skiaIgnoreTemplate(pullRequestNumber: issueNumber.toString()))
               as Uint8List);
       when(mockHttpClient
               .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
           .thenAnswer(
               (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
         return const BatchResponse(
           responses: <Response>[
             Response(
               searchBuilds: SearchBuildsResponse(
                 builds: <Build>[
                   Build(
                     id: 999,
                     builderId: BuilderId(
                       project: 'flutter',
                       bucket: 'prod',
                       builder: 'Linux',
                     ),
                     status: Status.started,
                   ),
                 ],
               ),
             ),
           ],
         );
       });

       await tester.post(webhook);

       expect(
         json.encode(verify(mockBuildBucketClient.batch(captureAny)).captured),
         '[{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},'
         '{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]},{"requests":[{"cancelBuild":{"id":"999","summaryMarkdown":"Pull request closed"}}]}]',
       );
     });

     test('Labels draft issues as work in progress, does not test pest.',
         () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate(
         'opened',
         issueNumber,
         'master',
         isDraft: true,
       );
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       when(pullRequestsService.listFiles(slug, issueNumber))
           .thenAnswer((_) => Stream<PullRequestFile>.value(
                 PullRequestFile()..filename = 'some_change.dart',
               ));

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(skiaIgnoreTemplate()) as Uint8List);
       when(mockHttpClient
               .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
           .thenAnswer(
               (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       await tester.post(webhook);

       verify(issuesService.addLabelsToIssue(
         slug,
         issueNumber,
         <String>['work in progress; do not review'],
       )).called(1);

       verifyNever(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.missingTestsPullRequestMessageValue)),
       ));
     });

     test('Will not spawn comments if they have already been made.', () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate('opened', issueNumber, 'master');
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
         (_) => Stream<PullRequestFile>.value(
           PullRequestFile()..filename = 'packages/flutter/blah.dart',
         ),
       );

       when(issuesService.listCommentsByIssue(slug, issueNumber)).thenAnswer(
         (_) => Stream<IssueComment>.value(
           IssueComment()..body = config.missingTestsPullRequestMessageValue,
         ),
       );

       final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
       final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
           utf8.encode(skiaIgnoreTemplate()) as Uint8List);
       when(mockHttpClient
               .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
           .thenAnswer(
               (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
       when(mockHttpRequest.close()).thenAnswer(
           (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

       await tester.post(webhook);

       verify(issuesService.addLabelsToIssue(
         slug,
         issueNumber,
         <String>['framework'],
       )).called(1);

       verifyNever(issuesService.createComment(
         slug,
         issueNumber,
         argThat(contains(config.missingTestsPullRequestMessageValue)),
       ));
     });

     test('Skips labeling or commenting on autorolls', () async {
       const int issueNumber = 123;
       request.headers.set('X-GitHub-Event', 'pull_request');
       request.body = jsonTemplate(
         'opened',
         issueNumber,
         'master',
         login: 'engine-flutter-autoroll',
       );
       final Uint8List body = utf8.encode(request.body) as Uint8List;
       final Uint8List key = utf8.encode(keyString) as Uint8List;
       final String hmac = getHmac(body, key);
       request.headers.set('X-Hub-Signature', 'sha1=$hmac');

       await tester.post(webhook);

       final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

       verifyNever(gitHubClient.postJSON<List<dynamic>, List<IssueLabel>>(
         '/repos/${slug.fullName}/issues/$issueNumber/labels',
         body: anyNamed('body'),
         convert: anyNamed('convert'),
       ));

       verifyNever(issuesService.createComment(
         slug,
         issueNumber,
         any,
       ));
     });

     group('BuildBucket', () {
       const int issueNumber = 123;

       setUp(() {
         request.headers.set('X-GitHub-Event', 'pull_request');
       });

       test('Exception is raised when no builders available', () async {
         config.luciTryBuildersValue = <Map<String, dynamic>>[];
         when(issuesService.listLabelsByIssue(any, issueNumber)).thenAnswer((_) {
           return Stream<IssueLabel>.fromIterable(<IssueLabel>[
             IssueLabel()..name = 'Random Label',
           ]);
         });

         when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
           return const BatchResponse(
             responses: <Response>[
               Response(
                 searchBuilds: SearchBuildsResponse(
                   builds: <Build>[],
                 ),
               ),
             ],
           );
         });

         request.body = jsonTemplate('synchronize', issueNumber, 'master',
             repoFullName: 'flutter/cocoon', repoName: 'cocoon');
         final Uint8List body = utf8.encode(request.body) as Uint8List;
         final Uint8List key = utf8.encode(keyString) as Uint8List;
         final String hmac = getHmac(body, key);
         request.headers.set('X-Hub-Signature', 'sha1=$hmac');

         expect(tester.post(webhook), throwsA(isA<InternalServerError>()));
       });

       test('Optional repo - Not schedule build when labeled without CQ',
           () async {
         when(issuesService.listLabelsByIssue(any, issueNumber)).thenAnswer((_) {
           return Stream<IssueLabel>.fromIterable(<IssueLabel>[
             IssueLabel()..name = 'Random Label',
           ]);
         });

         request.body = jsonTemplate('labeled', issueNumber, 'master');
         final Uint8List body = utf8.encode(request.body) as Uint8List;
         final Uint8List key = utf8.encode(keyString) as Uint8List;
         final String hmac = getHmac(body, key);
         request.headers.set('X-Hub-Signature', 'sha1=$hmac');

         await tester.post(webhook);
         verifyNever(mockBuildBucketClient.searchBuilds(any));
         verifyNever(mockBuildBucketClient.scheduleBuild(any));
         verifyNever(mockBuildBucketClient.batch(any));
       });

       Future<void> _testActions(String action, {bool never = false}) async {
         when(issuesService.listLabelsByIssue(any, issueNumber)).thenAnswer((_) {
           return Stream<IssueLabel>.fromIterable(<IssueLabel>[
             IssueLabel()..name = 'Random Label',
           ]);
         });

         when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
           return const BatchResponse(
             responses: <Response>[
               Response(
                 searchBuilds: SearchBuildsResponse(
                   builds: <Build>[],
                 ),
               ),
               Response(
                 searchBuilds: SearchBuildsResponse(
                   builds: <Build>[],
                 ),
               ),
             ],
           );
         });

         request.body = '''
 {
   "action": "$action",
   "number": 583,
   "draft": false,
   "pull_request": {
     "id": 354272971,
     "number": 583,
     "labels": [],
     "base": {
       "sha": "the_base_sha",
       "repo": {
         "name": "cocoon",
         "full_name": "flutter/cocoon"
       }
     },
     "head": {
       "sha": "the_head_sha",
       "repo": {
         "name": "cocoon",
         "full_name": "flutter/cocoon",
         "owner": {
           "login": "flutter"
         }
       }
     }
   },
   "repository": {
     "id": 1868532,
     "node_id": "MDEwOlJlcG9zaXRvcnkxODY4NTMwMDI=",
     "name": "cocoon",
     "full_name": "flutter/cocoon",
     "private": false,
     "owner": {
       "login": "flutter"
     }
   }
 }
 ''';

         final Uint8List body = utf8.encode(request.body) as Uint8List;
         final Uint8List key = utf8.encode(keyString) as Uint8List;
         final String hmac = getHmac(body, key);
         request.headers.set('X-Hub-Signature', 'sha1=$hmac');

         config.luciTryBuildersValue = (json.decode(
                     '[{"name": "Cocoon", "repo": "cocoon"},{"name": "Linux", "repo": "flutter"}, {"name": "Mac", "repo": "flutter"}]')
                 as List<dynamic>)
             .cast<Map<String, dynamic>>();

         await tester.post(webhook);

         if (never) {
           verifyNever(mockBuildBucketClient.batch(captureAny));
           return;
         }
         const String expectedJson = '''
 [
   {"requests": [
     {"searchBuilds":{
       "predicate":{
         "builder":{
           "project":"flutter",
           "bucket":"try"
         },
         "createdBy":"test@test",
         "tags":[
           {
             "key":"buildset",
             "value":"pr/git/583"
           },
           {
             "key":"github_link",
             "value":"https://github.com/flutter/cocoon/pull/583"
           },
           {
             "key": "user_agent",
             "value":"flutter-cocoon"
           }
         ]
       }
     }
   },
   {
     "searchBuilds":{
       "predicate":{
         "builder":{
           "project":"flutter",
           "bucket":"try"
         },
         "tags":[
           {
             "key":"buildset",
             "value":"pr/git/583"
           },
           {
             "key":"user_agent",
             "value":"recipe"
           }
         ]
       }
     }
   }]
 },
 {
   "requests":[
     {
       "searchBuilds":{
         "predicate":{
           "builder":{
             "project":"flutter",
             "bucket":"try"
           },
           "createdBy":"test@test",
           "tags":[
             {
               "key":"buildset",
               "value":"pr/git/583"
             },
             {
               "key":"github_link",
               "value":"https://github.com/flutter/cocoon/pull/583"
             },
             {
               "key":"user_agent",
               "value":"flutter-cocoon"
             }
           ]
         }
       }
     },
     {
       "searchBuilds":{
         "predicate":{
           "builder":{
             "project":"flutter",
             "bucket":"try"
           },
           "tags":[
             {
               "key":"buildset",
               "value":"pr/git/583"
             },
             {
               "key":"user_agent",
               "value":"recipe"
             }
           ]
         }
       }
     }
   ]
 },
 {
   "requests":[
     {
       "scheduleBuild":{
         "builder":{
           "project":"flutter",
           "bucket":"try",
           "builder":"Cocoon"
         },
         "properties":{
           "git_url":"https://github.com/flutter/cocoon",
           "git_ref":"refs/pull/583/head"
         },
         "tags":[
           {
             "key":"buildset",
             "value":"pr/git/583"
           },
           {
             "key":"buildset",
             "value":"sha/git/the_head_sha"
           },
           {
             "key":"user_agent",
             "value":"flutter-cocoon"
           },
           {
             "key":"github_link",
             "value":"https://github.com/flutter/cocoon/pull/583"
           }
         ],
         "notify":{
           "pubsubTopic":"projects/flutter-dashboard/topics/luci-builds",
           "userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImNvY29vbiIsInVzZXJfYWdlbnQiOiJmbHV0dGVyLWNvY29vbiJ9"
         }
       }
     }
   ]
 },
 {
   "requests":[
     {
       "searchBuilds":{
         "predicate":{
           "builder":{
             "project":"flutter",
             "bucket":"try"
           },
           "createdBy":"test@test",
           "tags":[
             {
               "key":"buildset",
               "value":"pr/git/583"
             },
             {
               "key":"github_link",
               "value":"https://github.com/flutter/cocoon/pull/583"
             },
             {
               "key":"user_agent",
               "value":"flutter-cocoon"
             }
           ]
         }
       }
     },
     {
       "searchBuilds":{
         "predicate":{
           "builder":{
             "project":"flutter",
             "bucket":"try"
           },
           "tags":[
             {
               "key":"buildset",
               "value":"pr/git/583"
             },
             {
               "key":"user_agent",
               "value":"recipe"
             }
           ]
         }
       }
     }
   ]
 }]''';
         expect(
             json.encode(
                 verify(mockBuildBucketClient.batch(captureAny)).captured),
             expectedJson.replaceAll(RegExp(r'\s|\n'), ''));
       }

       test('Edited Action works properly', () async {
         await _testActions('edited', never: true);
       });

       test('Opened Action works properly', () async {
         await _testActions('opened');
       });

       test('Ready_for_review Action works properly', () async {
         await _testActions('ready_for_review');
       });

       test('Reopened Action works properly', () async {
         await _testActions('reopened');
       });

       test('Labeled Action works properly', () async {
         await _testActions('labeled', never: true);
       });

       test('Synchronize Action works properly', () async {
         await _testActions('synchronize');
       });

       test('Schedules builds when labeled', () async {
         when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
           return const BatchResponse(
             responses: <Response>[
               Response(
                 searchBuilds: SearchBuildsResponse(
                   builds: <Build>[],
                 ),
               ),
               Response(
                 searchBuilds: SearchBuildsResponse(
                   builds: <Build>[],
                 ),
               ),
             ],
           );
         });
         request.body = jsonTemplate('labeled', issueNumber, 'master',
             includeCqLabel: true);
         final Uint8List body = utf8.encode(request.body) as Uint8List;
         final Uint8List key = utf8.encode(keyString) as Uint8List;
         final String hmac = getHmac(body, key);
         request.headers.set('X-Hub-Signature', 'sha1=$hmac');

         await tester.post(webhook);
         expect(
           json.encode(verify(mockBuildBucketClient.batch(captureAny)).captured),
           '[{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]},{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]},{"requests":[{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Linux"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}},{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Mac"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}},{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Windows"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}},{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Linux Coverage"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}}]},{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]}]',
         );
       });

       test('Cancels builds when unlabeled', () async {
         when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
           return const BatchResponse(
             responses: <Response>[
               Response(
                 searchBuilds: SearchBuildsResponse(
                   builds: <Build>[
                     Build(
                       id: 999,
                       builderId: BuilderId(
                         project: 'flutter',
                         bucket: 'prod',
                         builder: 'Linux',
                       ),
                       status: Status.started,
                     )
                   ],
                 ),
               ),
               Response(
                 searchBuilds: SearchBuildsResponse(
                   builds: <Build>[
                     Build(
                       id: 998,
                       builderId: BuilderId(
                         project: 'flutter',
                         bucket: 'prod',
                         builder: 'Linux Host',
                       ),
                       status: Status.started,
                     )
                   ],
                 ),
               ),
             ],
           );
         });

         request.body = jsonTemplate('unlabeled', issueNumber, 'master');
         final Uint8List body = utf8.encode(request.body) as Uint8List;
         final Uint8List key = utf8.encode(keyString) as Uint8List;
         final String hmac = getHmac(body, key);
         request.headers.set('X-Hub-Signature', 'sha1=$hmac');

         await tester.post(webhook);
         expect(
           json.encode(verify(mockBuildBucketClient.batch(captureAny)).captured),
           '[{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},'
           '{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]},{"requests":[{"cancelBuild":{"id":"999","summaryMarkdown":"Tryjobs canceled (label removed)"}},{"cancelBuild":{"id":"998","summaryMarkdown":"Tryjobs canceled (label removed)"}}]}]',
         );
       });

       test('Skips cancel build when unlabeled and build is ended', () async {
         when(issuesService.listLabelsByIssue(any, issueNumber)).thenAnswer((_) {
           return Stream<IssueLabel>.fromIterable(<IssueLabel>[
             IssueLabel()..name = 'Random Label',
           ]);
         });
         when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
           return const BatchResponse(
             responses: <Response>[
               Response(
                 searchBuilds: SearchBuildsResponse(
                   builds: <Build>[
                     Build(
                       id: 999,
                       builderId: BuilderId(
                         project: 'flutter',
                         bucket: 'prod',
                         builder: 'Linux',
                       ),
                       status: Status.success,
                     )
                   ],
                 ),
               ),
               Response(
                 searchBuilds: SearchBuildsResponse(
                   builds: <Build>[
                     Build(
                       id: 998,
                       builderId: BuilderId(
                         project: 'flutter',
                         bucket: 'prod',
                         builder: 'Linux',
                       ),
                       status: Status.success,
                     )
                   ],
                 ),
               ),
             ],
           );
         });

         request.body = jsonTemplate('unlabeled', issueNumber, 'master');
         final Uint8List body = utf8.encode(request.body) as Uint8List;
         final Uint8List key = utf8.encode(keyString) as Uint8List;
         final String hmac = getHmac(body, key);
         request.headers.set('X-Hub-Signature', 'sha1=$hmac');

         await tester.post(webhook);
         expect(
           json.encode(verify(mockBuildBucketClient.batch(captureAny)).captured),
           '[{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},'
           '{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]}]',
         );
       });

       test('When synchronized, cancels existing builds and schedules new ones',
           () async {
         when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
           return const BatchResponse(
             responses: <Response>[
               Response(
                 searchBuilds: SearchBuildsResponse(
                   builds: <Build>[
                     Build(
                       id: 999,
                       builderId: BuilderId(
                         project: 'flutter',
                         bucket: 'prod',
                         builder: 'Linux',
                       ),
                       status: Status.ended,
                     )
                   ],
                 ),
               ),
               Response(
                 searchBuilds: SearchBuildsResponse(
                   builds: <Build>[
                     Build(
                       id: 998,
                       builderId: BuilderId(
                         project: 'flutter',
                         bucket: 'prod',
                         builder: 'Linux',
                       ),
                       status: Status.ended,
                     )
                   ],
                 ),
               ),
             ],
           );
         });

         request.body = jsonTemplate('synchronize', issueNumber, 'master',
             includeCqLabel: true);
         final Uint8List body = utf8.encode(request.body) as Uint8List;
         final Uint8List key = utf8.encode(keyString) as Uint8List;
         final String hmac = getHmac(body, key);
         request.headers.set('X-Hub-Signature', 'sha1=$hmac');
         final MockRepositoriesService mockRepositoriesService =
             MockRepositoriesService();
         when(gitHubClient.repositories).thenReturn(mockRepositoriesService);

         await tester.post(webhook);
         expect(
           json.encode(verify(mockBuildBucketClient.batch(captureAny)).captured),
           '[{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]},{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]},{"requests":[{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Linux"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}},{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Mac"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}},{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Windows"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}},{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Linux Coverage"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}}]},{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]}]',
         );
       });
     });
     group('checksAPI', () {
       void _generateRequest(String bodyString) {
         request.body = bodyString;
         final Uint8List body = utf8.encode(request.body) as Uint8List;
         final Uint8List key = utf8.encode(keyString) as Uint8List;
         final String hmac = getHmac(body, key);
         request.headers.set('X-Hub-Signature', 'sha1=$hmac');
       }

       test('CheckSuite Event is delegated to GithubChecksService', () async {
         _generateRequest(checkSuiteString);
         request.headers.set('X-GitHub-Event', 'check_suite');
         await tester.post(webhook);
         verify(mockGithubChecksService.handleCheckSuite(any, any)).called(1);
       });

       test('CheckRun Event is delegated to GithubChecksService', () async {
         _generateRequest(checkRunString);
         request.headers.set('X-GitHub-Event', 'check_run');
         await tester.post(webhook);
         verify(mockGithubChecksService.handleCheckRun(any, any)).called(1);
       });
     });
   });
 }

 class MockGitHubClient extends Mock implements GitHub {}

 class MockIssuesService extends Mock implements IssuesService {}

 class MockPullRequestsService extends Mock implements PullRequestsService {}

 // ignore: must_be_immutable
 class MockBuildBucketClient extends Mock implements BuildBucketClient {}

 String skiaIgnoreTemplate({String pullRequestNumber = '0000'}) {
   return '''
     [
       {
         "id": "7579425228619212078",
         "name": "contributor@getMail.com",
         "updatedBy": "contributor@getMail.com",
         "expires": "2019-09-06T21:28:18.815336Z",
         "query": "ext=png&name=widgets.golden_file_test",
         "note": "https://github.com/flutter/flutter/pull/$pullRequestNumber"
       }
     ]
   ''';
 }

 String jsonTemplate(String action, int number, String baseRef,
         {String login = 'flutter',
         bool includeCqLabel = false,
         bool includeGoldLabel = false,
         bool isDraft = false,
         bool merged = false,
         String repoFullName = 'flutter/flutter',
         String repoName = 'flutter'}) =>
     '''{
   "action": "$action",
   "number": $number,
   "pull_request": {
     "url": "https://api.github.com/repos/$repoFullName/pulls/$number",
     "id": 294034,
     "node_id": "MDExOlB1bGxSZXF1ZXN0Mjk0MDMzODQx",
     "html_url": "https://github.com/$repoFullName/pull/$number",
     "diff_url": "https://github.com/$repoFullName/pull/$number.diff",
     "patch_url": "https://github.com/$repoFullName/pull/$number.patch",
     "issue_url": "https://api.github.com/repos/$repoFullName/issues/$number",
     "number": $number,
     "state": "open",
     "locked": false,
     "title": "Defer reassemble until reload is finished",
     "user": {
       "login": "$login",
       "id": 862741,
       "node_id": "MDQ6VXNlcjg2MjA3NDE=",
       "avatar_url": "https://avatars3.githubusercontent.com/u/8620741?v=4",
       "gravatar_id": "",
       "url": "https://api.github.com/users/flutter",
       "html_url": "https://github.com/flutter",
       "followers_url": "https://api.github.com/users/flutter/followers",
       "following_url": "https://api.github.com/users/flutter/following{/other_user}",
       "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
       "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
       "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
       "organizations_url": "https://api.github.com/users/flutter/orgs",
       "repos_url": "https://api.github.com/users/flutter/repos",
       "events_url": "https://api.github.com/users/flutter/events{/privacy}",
       "received_events_url": "https://api.github.com/users/flutter/received_events",
       "type": "User",
       "site_admin": false
     },
     "draft" : "$isDraft",
     "body": "The body",
     "created_at": "2019-07-03T07:14:35Z",
     "updated_at": "2019-07-03T16:34:53Z",
     "closed_at": null,
     "merged_at": null,
     "merge_commit_sha": "d22ab7ced21d3b2a5be00cf576d383eb5ffddb8a",
     "assignee": null,
     "assignees": [],
     "requested_reviewers": [],
     "requested_teams": [],
     "labels": [
       {
         "id": 487496476,
         "node_id": "MDU6TGFiZWw0ODc0OTY0NzY=",
         "url": "https://api.github.com/repos/$repoFullName/labels/cla:%20yes",
         "name": "cla: yes",
         "color": "ffffff",
         "default": false
       },
       {
         "id": 284437560,
         "node_id": "MDU6TGFiZWwyODQ0Mzc1NjA=",
         "url": "https://api.github.com/repos/$repoFullName/labels/framework",
         "name": "framework",
         "color": "207de5",
         "default": false
       },
       ${includeGoldLabel ? '''
       {
         "id": 283480100,
         "node_id": "MDU6TGFiZWwyODM0ODAxMDA=",
         "url": "https://api.github.com/repos/$repoFullName/labels/tool",
         "name": "will affect goldens",
         "color": "5319e7",
         "default": false
       },''' : ''}
       ${includeCqLabel ? '''
       {
         "id": 283480100,
         "node_id": "MDU6TGFiZWwyODM0ODAxMDA=",
         "url": "https://api.github.com/repos/$repoFullName/labels/tool",
         "name": "CQ+1",
         "color": "5319e7",
         "default": false
       },''' : ''}
       {
         "id": 283480100,
         "node_id": "MDU6TGFiZWwyODM0ODAxMDA=",
         "url": "https://api.github.com/repos/$repoFullName/labels/tool",
         "name": "tool",
         "color": "5319e7",
         "default": false
       }
     ],
     "milestone": null,
     "commits_url": "https://api.github.com/repos/$repoFullName/pulls/$number/commits",
     "review_comments_url": "https://api.github.com/repos/$repoFullName/pulls/$number/comments",
     "review_comment_url": "https://api.github.com/repos/$repoFullName/pulls/comments{/number}",
     "comments_url": "https://api.github.com/repos/$repoFullName/issues/$number/comments",
     "statuses_url": "https://api.github.com/repos/$repoFullName/statuses/be6ff099a4ee56e152a5fa2f37edd10f79d1269a",
     "head": {
       "label": "$login:wait_for_reassemble",
       "ref": "wait_for_reassemble",
       "sha": "be6ff099a4ee56e152a5fa2f37edd10f79d1269a",
       "user": {
         "login": "$login",
         "id": 8620741,
         "node_id": "MDQ6VXNlcjg2MjA3NDE=",
         "avatar_url": "https://avatars3.githubusercontent.com/u/8620741?v=4",
         "gravatar_id": "",
         "url": "https://api.github.com/users/flutter",
         "html_url": "https://github.com/flutter",
         "followers_url": "https://api.github.com/users/flutter/followers",
         "following_url": "https://api.github.com/users/flutter/following{/other_user}",
         "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
         "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
         "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
         "organizations_url": "https://api.github.com/users/flutter/orgs",
         "repos_url": "https://api.github.com/users/flutter/repos",
         "events_url": "https://api.github.com/users/flutter/events{/privacy}",
         "received_events_url": "https://api.github.com/users/flutter/received_events",
         "type": "User",
         "site_admin": false
       },
       "repo": {
         "id": 131232406,
         "node_id": "MDEwOlJlcG9zaXRvcnkxMzEyMzI0MDY=",
         "name": "$repoName",
         "full_name": "$repoFullName",
         "private": false,
         "owner": {
           "login": "flutter",
           "id": 8620741,
           "node_id": "MDQ6VXNlcjg2MjA3NDE=",
           "avatar_url": "https://avatars3.githubusercontent.com/u/8620741?v=4",
           "gravatar_id": "",
           "url": "https://api.github.com/users/flutter",
           "html_url": "https://github.com/flutter",
           "followers_url": "https://api.github.com/users/flutter/followers",
           "following_url": "https://api.github.com/users/flutter/following{/other_user}",
           "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
           "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
           "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
           "organizations_url": "https://api.github.com/users/flutter/orgs",
           "repos_url": "https://api.github.com/users/flutter/repos",
           "events_url": "https://api.github.com/users/flutter/events{/privacy}",
           "received_events_url": "https://api.github.com/users/flutter/received_events",
           "type": "User",
           "site_admin": false
         },
         "html_url": "https://github.com/$repoFullName",
         "description": "Flutter makes it easy and fast to build beautiful mobile apps.",
         "fork": true,
         "url": "https://api.github.com/repos/$repoFullName",
         "forks_url": "https://api.github.com/repos/$repoFullName/forks",
         "keys_url": "https://api.github.com/repos/$repoFullName/keys{/key_id}",
         "collaborators_url": "https://api.github.com/repos/$repoFullName/collaborators{/collaborator}",
         "teams_url": "https://api.github.com/repos/$repoFullName/teams",
         "hooks_url": "https://api.github.com/repos/$repoFullName/hooks",
         "issue_events_url": "https://api.github.com/repos/$repoFullName/issues/events{/number}",
         "events_url": "https://api.github.com/repos/$repoFullName/events",
         "assignees_url": "https://api.github.com/repos/$repoFullName/assignees{/user}",
         "branches_url": "https://api.github.com/repos/$repoFullName/branches{/branch}",
         "tags_url": "https://api.github.com/repos/$repoFullName/tags",
         "blobs_url": "https://api.github.com/repos/$repoFullName/git/blobs{/sha}",
         "git_tags_url": "https://api.github.com/repos/$repoFullName/git/tags{/sha}",
         "git_refs_url": "https://api.github.com/repos/$repoFullName/git/refs{/sha}",
         "trees_url": "https://api.github.com/repos/$repoFullName/git/trees{/sha}",
         "statuses_url": "https://api.github.com/repos/$repoFullName/statuses/{sha}",
         "languages_url": "https://api.github.com/repos/$repoFullName/languages",
         "stargazers_url": "https://api.github.com/repos/$repoFullName/stargazers",
         "contributors_url": "https://api.github.com/repos/$repoFullName/contributors",
         "subscribers_url": "https://api.github.com/repos/$repoFullName/subscribers",
         "subscription_url": "https://api.github.com/repos/$repoFullName/subscription",
         "commits_url": "https://api.github.com/repos/$repoFullName/commits{/sha}",
         "git_commits_url": "https://api.github.com/repos/$repoFullName/git/commits{/sha}",
         "comments_url": "https://api.github.com/repos/$repoFullName/comments{/number}",
         "issue_comment_url": "https://api.github.com/repos/$repoFullName/issues/comments{/number}",
         "contents_url": "https://api.github.com/repos/$repoFullName/contents/{+path}",
         "compare_url": "https://api.github.com/repos/$repoFullName/compare/{base}...{head}",
         "merges_url": "https://api.github.com/repos/$repoFullName/merges",
         "archive_url": "https://api.github.com/repos/$repoFullName/{archive_format}{/ref}",
         "downloads_url": "https://api.github.com/repos/$repoFullName/downloads",
         "issues_url": "https://api.github.com/repos/$repoFullName/issues{/number}",
         "pulls_url": "https://api.github.com/repos/$repoFullName/pulls{/number}",
         "milestones_url": "https://api.github.com/repos/$repoFullName/milestones{/number}",
         "notifications_url": "https://api.github.com/repos/$repoFullName/notifications{?since,all,participating}",
         "labels_url": "https://api.github.com/repos/$repoFullName/labels{/name}",
         "releases_url": "https://api.github.com/repos/$repoFullName/releases{/id}",
         "deployments_url": "https://api.github.com/repos/$repoFullName/deployments",
         "created_at": "2018-04-27T02:03:08Z",
         "updated_at": "2019-06-27T06:56:59Z",
         "pushed_at": "2019-07-03T19:40:11Z",
         "git_url": "git://github.com/$repoFullName.git",
         "ssh_url": "git@github.com:$repoFullName.git",
         "clone_url": "https://github.com/$repoFullName.git",
         "svn_url": "https://github.com/$repoFullName",
         "homepage": "https://flutter.io",
         "size": 94508,
         "stargazers_count": 1,
         "watchers_count": 1,
         "language": "Dart",
         "has_issues": false,
         "has_projects": true,
         "has_downloads": true,
         "has_wiki": true,
         "has_pages": false,
         "forks_count": 0,
         "mirror_url": null,
         "archived": false,
         "disabled": false,
         "open_issues_count": 0,
         "license": {
           "key": "other",
           "name": "Other",
           "spdx_id": "NOASSERTION",
           "url": null,
           "node_id": "MDc6TGljZW5zZTA="
         },
         "forks": 0,
         "open_issues": 0,
         "watchers": 1,
         "default_branch": "master"
       }
     },
     "base": {
       "label": "flutter:$baseRef",
       "ref": "$baseRef",
       "sha": "4cd12fc8b7d4cc2d8609182e1c4dea5cddc86890",
       "user": {
         "login": "flutter",
         "id": 14101776,
         "node_id": "MDEyOk9yZ2FuaXphdGlvbjE0MTAxNzc2",
         "avatar_url": "https://avatars3.githubblahblahblah",
         "gravatar_id": "",
         "url": "https://api.github.com/users/flutter",
         "html_url": "https://github.com/flutter",
         "followers_url": "https://api.github.com/users/flutter/followers",
         "following_url": "https://api.github.com/users/flutter/following{/other_user}",
         "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
         "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
         "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
         "organizations_url": "https://api.github.com/users/flutter/orgs",
         "repos_url": "https://api.github.com/users/flutter/repos",
         "events_url": "https://api.github.com/users/flutter/events{/privacy}",
         "received_events_url": "https://api.github.com/users/flutter/received_events",
         "type": "Organization",
         "site_admin": false
       },
       "repo": {
         "id": 31792824,
         "node_id": "MDEwOlJlcG9zaXRvcnkzMTc5MjgyNA==",
         "name": "$repoName",
         "full_name": "$repoFullName",
         "private": false,
         "owner": {
           "login": "flutter",
           "id": 14101776,
           "node_id": "MDEyOk9yZ2FuaXphdGlvbjE0MTAxNzc2",
           "avatar_url": "https://avatars3.githubblahblahblah",
           "gravatar_id": "",
           "url": "https://api.github.com/users/flutter",
           "html_url": "https://github.com/flutter",
           "followers_url": "https://api.github.com/users/flutter/followers",
           "following_url": "https://api.github.com/users/flutter/following{/other_user}",
           "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
           "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
           "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
           "organizations_url": "https://api.github.com/users/flutter/orgs",
           "repos_url": "https://api.github.com/users/flutter/repos",
           "events_url": "https://api.github.com/users/flutter/events{/privacy}",
           "received_events_url": "https://api.github.com/users/flutter/received_events",
           "type": "Organization",
           "site_admin": false
         },
         "html_url": "https://github.com/$repoFullName",
         "description": "Flutter makes it easy and fast to build beautiful mobile apps.",
         "fork": false,
         "url": "https://api.github.com/repos/$repoFullName",
         "forks_url": "https://api.github.com/repos/$repoFullName/forks",
         "keys_url": "https://api.github.com/repos/$repoFullName/keys{/key_id}",
         "collaborators_url": "https://api.github.com/repos/$repoFullName/collaborators{/collaborator}",
         "teams_url": "https://api.github.com/repos/$repoFullName/teams",
         "hooks_url": "https://api.github.com/repos/$repoFullName/hooks",
         "issue_events_url": "https://api.github.com/repos/$repoFullName/issues/events{/number}",
         "events_url": "https://api.github.com/repos/$repoFullName/events",
         "assignees_url": "https://api.github.com/repos/$repoFullName/assignees{/user}",
         "branches_url": "https://api.github.com/repos/$repoFullName/branches{/branch}",
         "tags_url": "https://api.github.com/repos/$repoFullName/tags",
         "blobs_url": "https://api.github.com/repos/$repoFullName/git/blobs{/sha}",
         "git_tags_url": "https://api.github.com/repos/$repoFullName/git/tags{/sha}",
         "git_refs_url": "https://api.github.com/repos/$repoFullName/git/refs{/sha}",
         "trees_url": "https://api.github.com/repos/$repoFullName/git/trees{/sha}",
         "statuses_url": "https://api.github.com/repos/$repoFullName/statuses/{sha}",
         "languages_url": "https://api.github.com/repos/$repoFullName/languages",
         "stargazers_url": "https://api.github.com/repos/$repoFullName/stargazers",
         "contributors_url": "https://api.github.com/repos/$repoFullName/contributors",
         "subscribers_url": "https://api.github.com/repos/$repoFullName/subscribers",
         "subscription_url": "https://api.github.com/repos/$repoFullName/subscription",
         "commits_url": "https://api.github.com/repos/$repoFullName/commits{/sha}",
         "git_commits_url": "https://api.github.com/repos/$repoFullName/git/commits{/sha}",
         "comments_url": "https://api.github.com/repos/$repoFullName/comments{/number}",
         "issue_comment_url": "https://api.github.com/repos/$repoFullName/issues/comments{/number}",
         "contents_url": "https://api.github.com/repos/$repoFullName/contents/{+path}",
         "compare_url": "https://api.github.com/repos/$repoFullName/compare/{base}...{head}",
         "merges_url": "https://api.github.com/repos/$repoFullName/merges",
         "archive_url": "https://api.github.com/repos/$repoFullName/{archive_format}{/ref}",
         "downloads_url": "https://api.github.com/repos/$repoFullName/downloads",
         "issues_url": "https://api.github.com/repos/$repoFullName/issues{/number}",
         "pulls_url": "https://api.github.com/repos/$repoFullName/pulls{/number}",
         "milestones_url": "https://api.github.com/repos/$repoFullName/milestones{/number}",
         "notifications_url": "https://api.github.com/repos/$repoFullName/notifications{?since,all,participating}",
         "labels_url": "https://api.github.com/repos/$repoFullName/labels{/name}",
         "releases_url": "https://api.github.com/repos/$repoFullName/releases{/id}",
         "deployments_url": "https://api.github.com/repos/$repoFullName/deployments",
         "created_at": "2015-03-06T22:54:58Z",
         "updated_at": "2019-07-04T02:08:44Z",
         "pushed_at": "2019-07-04T02:03:04Z",
         "git_url": "git://github.com/$repoFullName.git",
         "ssh_url": "git@github.com:$repoFullName.git",
         "clone_url": "https://github.com/$repoFullName.git",
         "svn_url": "https://github.com/$repoFullName",
         "homepage": "https://flutter.dev",
         "size": 65507,
         "stargazers_count": 68944,
         "watchers_count": 68944,
         "language": "Dart",
         "has_issues": true,
         "has_projects": true,
         "has_downloads": true,
         "has_wiki": true,
         "has_pages": false,
         "forks_count": 7987,
         "mirror_url": null,
         "archived": false,
         "disabled": false,
         "open_issues_count": 6536,
         "license": {
           "key": "other",
           "name": "Other",
           "spdx_id": "NOASSERTION",
           "url": null,
           "node_id": "MDc6TGljZW5zZTA="
         },
         "forks": 7987,
         "open_issues": 6536,
         "watchers": 68944,
         "default_branch": "master"
       }
     },
     "_links": {
       "self": {
         "href": "https://api.github.com/repos/$repoFullName/pulls/$number"
       },
       "html": {
         "href": "https://github.com/$repoFullName/pull/$number"
       },
       "issue": {
         "href": "https://api.github.com/repos/$repoFullName/issues/$number"
       },
       "comments": {
         "href": "https://api.github.com/repos/$repoFullName/issues/$number/comments"
       },
       "review_comments": {
         "href": "https://api.github.com/repos/$repoFullName/pulls/$number/comments"
       },
       "review_comment": {
         "href": "https://api.github.com/repos/$repoFullName/pulls/comments{/number}"
       },
       "commits": {
         "href": "https://api.github.com/repos/$repoFullName/pulls/$number/commits"
       },
       "statuses": {
         "href": "https://api.github.com/repos/$repoFullName/statuses/deadbeef"
       }
     },
     "author_association": "MEMBER",
     "draft" : $isDraft,
     "merged": $merged,
     "mergeable": null,
     "rebaseable": true,
     "mergeable_state": "draft",
     "merged_by": null,
     "comments": 1,
     "review_comments": 0,
     "maintainer_can_modify": true,
     "commits": 5,
     "additions": 55,
     "deletions": 36,
     "changed_files": 5
   },
   "repository": {
     "id": 1868532,
     "node_id": "MDEwOlJlcG9zaXRvcnkxODY4NTMwMDI=",
     "name": "$repoName",
     "full_name": "$repoFullName",
     "private": false,
     "owner": {
       "login": "flutter",
       "id": 21031067,
       "node_id": "MDQ6VXNlcjIxMDMxMDY3",
       "avatar_url": "https://avatars1.githubusercontent.com/u/21031067?v=4",
       "gravatar_id": "",
       "url": "https://api.github.com/users/flutter",
       "html_url": "https://github.com/flutter",
       "followers_url": "https://api.github.com/users/flutter/followers",
       "following_url": "https://api.github.com/users/flutter/following{/other_user}",
       "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
       "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
       "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
       "organizations_url": "https://api.github.com/users/flutter/orgs",
       "repos_url": "https://api.github.com/users/flutter/repos",
       "events_url": "https://api.github.com/users/flutter/events{/privacy}",
       "received_events_url": "https://api.github.com/users/flutter/received_events",
       "type": "User",
       "site_admin": false
     },
     "html_url": "https://github.com/$repoFullName",
     "description": null,
     "fork": false,
     "url": "https://api.github.com/repos/$repoFullName",
     "forks_url": "https://api.github.com/repos/$repoFullName/forks",
     "keys_url": "https://api.github.com/repos/$repoFullName/keys{/key_id}",
     "collaborators_url": "https://api.github.com/repos/$repoFullName/collaborators{/collaborator}",
     "teams_url": "https://api.github.com/repos/$repoFullName/teams",
     "hooks_url": "https://api.github.com/repos/$repoFullName/hooks",
     "issue_events_url": "https://api.github.com/repos/$repoFullName/issues/events{/number}",
     "events_url": "https://api.github.com/repos/$repoFullName/events",
     "assignees_url": "https://api.github.com/repos/$repoFullName/assignees{/user}",
     "branches_url": "https://api.github.com/repos/$repoFullName/branches{/branch}",
     "tags_url": "https://api.github.com/repos/$repoFullName/tags",
     "blobs_url": "https://api.github.com/repos/$repoFullName/git/blobs{/sha}",
     "git_tags_url": "https://api.github.com/repos/$repoFullName/git/tags{/sha}",
     "git_refs_url": "https://api.github.com/repos/$repoFullName/git/refs{/sha}",
     "trees_url": "https://api.github.com/repos/$repoFullName/git/trees{/sha}",
     "statuses_url": "https://api.github.com/repos/$repoFullName/statuses/{sha}",
     "languages_url": "https://api.github.com/repos/$repoFullName/languages",
     "stargazers_url": "https://api.github.com/repos/$repoFullName/stargazers",
     "contributors_url": "https://api.github.com/repos/$repoFullName/contributors",
     "subscribers_url": "https://api.github.com/repos/$repoFullName/subscribers",
     "subscription_url": "https://api.github.com/repos/$repoFullName/subscription",
     "commits_url": "https://api.github.com/repos/$repoFullName/commits{/sha}",
     "git_commits_url": "https://api.github.com/repos/$repoFullName/git/commits{/sha}",
     "comments_url": "https://api.github.com/repos/$repoFullName/comments{/number}",
     "issue_comment_url": "https://api.github.com/repos/$repoFullName/issues/comments{/number}",
     "contents_url": "https://api.github.com/repos/$repoFullName/contents/{+path}",
     "compare_url": "https://api.github.com/repos/$repoFullName/compare/{base}...{head}",
     "merges_url": "https://api.github.com/repos/$repoFullName/merges",
     "archive_url": "https://api.github.com/repos/$repoFullName/{archive_format}{/ref}",
     "downloads_url": "https://api.github.com/repos/$repoFullName/downloads",
     "issues_url": "https://api.github.com/repos/$repoFullName/issues{/number}",
     "pulls_url": "https://api.github.com/repos/$repoFullName/pulls{/number}",
     "milestones_url": "https://api.github.com/repos/$repoFullName/milestones{/number}",
     "notifications_url": "https://api.github.com/repos/$repoFullName/notifications{?since,all,participating}",
     "labels_url": "https://api.github.com/repos/$repoFullName/labels{/name}",
     "releases_url": "https://api.github.com/repos/$repoFullName/releases{/id}",
     "deployments_url": "https://api.github.com/repos/$repoFullName/deployments",
     "created_at": "2019-05-15T15:19:25Z",
     "updated_at": "2019-05-15T15:19:27Z",
     "pushed_at": "2019-05-15T15:20:32Z",
     "git_url": "git://github.com/$repoFullName.git",
     "ssh_url": "git@github.com:$repoFullName.git",
     "clone_url": "https://github.com/$repoFullName.git",
     "svn_url": "https://github.com/$repoFullName",
     "homepage": null,
     "size": 0,
     "stargazers_count": 0,
     "watchers_count": 0,
     "language": null,
     "has_issues": true,
     "has_projects": true,
     "has_downloads": true,
     "has_wiki": true,
     "has_pages": true,
     "forks_count": 0,
     "mirror_url": null,
     "archived": false,
     "disabled": false,
     "open_issues_count": 2,
     "license": null,
     "forks": 0,
     "open_issues": 2,
     "watchers": 0,
     "default_branch": "master"
   },
   "sender": {
     "login": "$login",
     "id": 21031067,
     "node_id": "MDQ6VXNlcjIxMDMxMDY3",
     "avatar_url": "https://avatars1.githubusercontent.com/u/21031067?v=4",
     "gravatar_id": "",
     "url": "https://api.github.com/users/flutter",
     "html_url": "https://github.com/flutter",
     "followers_url": "https://api.github.com/users/flutter/followers",
     "following_url": "https://api.github.com/users/flutter/following{/other_user}",
     "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
     "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
     "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
     "organizations_url": "https://api.github.com/users/flutter/orgs",
     "repos_url": "https://api.github.com/users/flutter/repos",
     "events_url": "https://api.github.com/users/flutter/events{/privacy}",
     "received_events_url": "https://api.github.com/users/flutter/received_events",
     "type": "User",
     "site_admin": false
   }
 }''';