test/options_test.dart

// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

library analyzer_cli.test.options;

import 'package:analyzer_cli/src/options.dart';
import 'package:args/args.dart';
import 'package:unittest/unittest.dart';

main() {
  group('AnalyzerOptions.parse()', () {
    test('defaults', () {
      CommandLineOptions options =
          CommandLineOptions.parse(['--dart-sdk', '.', 'foo.dart']);
      expect(options, isNotNull);
      expect(options.dartSdkPath, isNotNull);
      expect(options.disableHints, isFalse);
      expect(options.displayVersion, isFalse);
      expect(options.enableStrictCallChecks, isFalse);
      expect(options.enableTypeChecks, isFalse);
      expect(options.ignoreUnrecognizedFlags, isFalse);
      expect(options.log, isFalse);
      expect(options.machineFormat, isFalse);
      expect(options.packageRootPath, isNull);
      expect(options.perf, isFalse);
      expect(options.shouldBatch, isFalse);
      expect(options.showPackageWarnings, isFalse);
      expect(options.showSdkWarnings, isFalse);
      expect(options.sourceFiles, equals(['foo.dart']));
      expect(options.warmPerf, isFalse);
      expect(options.warningsAreFatal, isFalse);
      expect(options.customUrlMappings, isNotNull);
      expect(options.customUrlMappings.isEmpty, isTrue);
    });

    test('batch', () {
      CommandLineOptions options =
          CommandLineOptions.parse(['--dart-sdk', '.', '--batch']);
      expect(options.shouldBatch, isTrue);
    });

    test('defined variables', () {
      CommandLineOptions options = CommandLineOptions
          .parse(['--dart-sdk', '.', '-Dfoo=bar', 'foo.dart']);
      expect(options.definedVariables['foo'], equals('bar'));
      expect(options.definedVariables['bar'], isNull);
    });

    test('enable strict call checks', () {
      CommandLineOptions options = CommandLineOptions.parse(
          ['--dart-sdk', '.', '--enable-strict-call-checks', 'foo.dart']);
      expect(options.enableStrictCallChecks, isTrue);
    });

    test('enable type checks', () {
      CommandLineOptions options = CommandLineOptions
          .parse(['--dart-sdk', '.', '--enable_type_checks', 'foo.dart']);
      expect(options.enableTypeChecks, isTrue);
    });

    test('log', () {
      CommandLineOptions options =
          CommandLineOptions.parse(['--dart-sdk', '.', '--log', 'foo.dart']);
      expect(options.log, isTrue);
    });

    test('machine format', () {
      CommandLineOptions options = CommandLineOptions
          .parse(['--dart-sdk', '.', '--format=machine', 'foo.dart']);
      expect(options.machineFormat, isTrue);
    });

    test('no-hints', () {
      CommandLineOptions options = CommandLineOptions
          .parse(['--dart-sdk', '.', '--no-hints', 'foo.dart']);
      expect(options.disableHints, isTrue);
    });

    test('package root', () {
      CommandLineOptions options = CommandLineOptions
          .parse(['--dart-sdk', '.', '-p', 'bar', 'foo.dart']);
      expect(options.packageRootPath, equals('bar'));
    });

    test('package warnings', () {
      CommandLineOptions options = CommandLineOptions
          .parse(['--dart-sdk', '.', '--package-warnings', 'foo.dart']);
      expect(options.showPackageWarnings, isTrue);
    });

    test('perf', () {
      CommandLineOptions options =
          CommandLineOptions.parse(['--dart-sdk', '.', '--perf', 'foo.dart']);
      expect(options.perf, isTrue);
    });

    test('sdk warnings', () {
      CommandLineOptions options = CommandLineOptions
          .parse(['--dart-sdk', '.', '--warnings', 'foo.dart']);
      expect(options.showSdkWarnings, isTrue);
    });

    test('sourceFiles', () {
      CommandLineOptions options = CommandLineOptions.parse(
          ['--dart-sdk', '.', '--log', 'foo.dart', 'foo2.dart', 'foo3.dart']);
      expect(
          options.sourceFiles, equals(['foo.dart', 'foo2.dart', 'foo3.dart']));
    });

    test('warningsAreFatal', () {
      CommandLineOptions options = CommandLineOptions
          .parse(['--dart-sdk', '.', '--fatal-warnings', 'foo.dart']);
      expect(options.warningsAreFatal, isTrue);
    });

    test('customUrlMappings', () {
      CommandLineOptions options = CommandLineOptions.parse([
        '--dart-sdk',
        '.',
        '--url-mapping',
        'dart:dummy,/path/to/dummy.dart',
        'foo.dart'
      ]);
      expect(options.customUrlMappings, isNotNull);
      expect(options.customUrlMappings.isEmpty, isFalse);
      expect(options.customUrlMappings['dart:dummy'],
          equals('/path/to/dummy.dart'));
    });

    test('notice unrecognized flags', () {
      expect(() =>
              new CommandLineParser().parse(['--bar', '--baz', 'foo.dart'], {}),
          throwsA(new isInstanceOf<FormatException>()));
    });

    test('ignore unrecognized flags', () {
      CommandLineOptions options = CommandLineOptions.parse([
        '--ignore-unrecognized-flags',
        '--bar',
        '--baz',
        '--dart-sdk',
        '.',
        'foo.dart'
      ]);
      expect(options, isNotNull);
      expect(options.sourceFiles, equals(['foo.dart']));
    });

    test('ignore unrecognized options', () {
      CommandLineParser parser =
          new CommandLineParser(alwaysIgnoreUnrecognized: true);
      parser.addOption('optionA');
      parser.addFlag('flagA');
      ArgResults argResults =
          parser.parse(['--optionA=1', '--optionB=2', '--flagA'], {});
      expect(argResults['optionA'], '1');
      expect(argResults['flagA'], isTrue);
    });
  });
}