ios/chrome/browser/ui/first_run/tos/tos_unittest.mm

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#import "ios/chrome/browser/ui/first_run/tos/tos_coordinator.h"

#import <WebKit/WebKit.h>
#import <gtest/gtest.h>
#import "testing/platform_test.h"
#import "third_party/ocmock/OCMock/OCMock.h"
#import "third_party/ocmock/gtest_support.h"

#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif

class TOSTest : public PlatformTest {};

@interface TOSCoordinatorTests : TOSCoordinator <WKNavigationDelegate>
@property(readonly, nonatomic) NSUInteger numberOfFail;

@end

@implementation TOSCoordinatorTests

- (void)failedToLoad {
  _numberOfFail++;
}

@end

// Test that a navigation error loading an element of the page calls
// failedToLoad
TEST_F(TOSTest, TestFailureIsCalledOnFailingElement) {
  TOSCoordinatorTests* tos_test =
      [[TOSCoordinatorTests alloc] initWithBaseViewController:nil browser:nil];
  WKWebView* webView = OCMStrictClassMock([WKWebView class]);
  NSError* error = [NSError errorWithDomain:@"Hello" code:42 userInfo:nil];
  [tos_test webView:webView didFailNavigation:nil withError:error];
  EXPECT_EQ(tos_test.numberOfFail, 1u);
  EXPECT_OCMOCK_VERIFY((id)webView);
}

// Tests that a navigation error on the loaded page itself calls failedToLoad
TEST_F(TOSTest, TestFailureIsCalledOnFailingPage) {
  TOSCoordinatorTests* tos_test =
      [[TOSCoordinatorTests alloc] initWithBaseViewController:nil browser:nil];
  WKWebView* webView = OCMStrictClassMock([WKWebView class]);
  NSError* error = [NSError errorWithDomain:@"Hello" code:42 userInfo:nil];
  [tos_test webView:webView didFailProvisionalNavigation:nil withError:error];
  EXPECT_EQ(tos_test.numberOfFail, 1u);
  EXPECT_OCMOCK_VERIFY((id)webView);
}