Implement the Sync promo in the password bubble on Mac.

chrome/browser/ui/cocoa/passwords/signin_promo_view_controller_unittest.mm

+// Copyright 2016 The Chromium 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 "chrome/browser/ui/cocoa/passwords/signin_promo_view_controller.h"
+
+#include "base/metrics/field_trial.h"
+#import "chrome/browser/ui/cocoa/passwords/base_passwords_controller_test.h"
+#include "chrome/browser/ui/passwords/manage_passwords_ui_controller_mock.h"
+#include "components/password_manager/core/browser/password_bubble_experiment.h"
+#include "components/variations/variations_associated_data.h"
+
+namespace {
+
+using password_bubble_experiment::kChromeSignInPasswordPromoExperimentName;
+using password_bubble_experiment::kChromeSignInPasswordPromoThresholdParam;
+
+class SignInPromoViewControllerTest : public ManagePasswordsControllerTest {
+ public:
+  SignInPromoViewControllerTest() : field_trial_list_(nullptr) {}
+
+  void SetUp() override;
+  void TearDown() override;
+
+  void SetUpSignInPromoState();
+
+  SignInPromoViewController* controller() { return controller_.get(); }
+
+ private:
+  base::FieldTrialList field_trial_list_;
+  base::scoped_nsobject<SignInPromoViewController> controller_;
+};
+
+void SignInPromoViewControllerTest::SetUp() {
+  ManagePasswordsControllerTest::SetUp();
+  SetUpSignInPromoState();
+}
+
+void SignInPromoViewControllerTest::TearDown() {
+  ManagePasswordsControllerTest::TearDown();
+  variations::testing::ClearAllVariationParams();
+}
+
+void SignInPromoViewControllerTest::SetUpSignInPromoState() {
+  const char kFakeGroup[] = "FakeGroup";
+  SetUpSavePendingState(false);
+  ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial(
+      kChromeSignInPasswordPromoExperimentName, kFakeGroup));
+  variations::AssociateVariationParams(
+      kChromeSignInPasswordPromoExperimentName, kFakeGroup,
+      {{kChromeSignInPasswordPromoThresholdParam, "3"}});
+  GetModelAndCreateIfNull()->OnSaveClicked();
+
+  ASSERT_TRUE(GetModelAndCreateIfNull()->ReplaceToShowSignInPromoIfNeeded());
+
+  [delegate() setModel:GetModelAndCreateIfNull()];
+  controller_.reset([[SignInPromoViewController alloc]
+      initWithDelegate:delegate()]);
+  [controller_ view];
+}
+
+
+TEST_F(SignInPromoViewControllerTest, ClickSignIn) {
+  EXPECT_CALL(*ui_controller(), NavigateToChromeSignIn());
+  [controller().signInButton performClick:nil];
+
+  EXPECT_TRUE([delegate() dismissed]);
+}
+
+TEST_F(SignInPromoViewControllerTest, ClickNo) {
+  EXPECT_CALL(*ui_controller(), NavigateToChromeSignIn()).Times(0);
+  [controller().noButton performClick:nil];
+
+  EXPECT_TRUE([delegate() dismissed]);
+}
+
+TEST_F(SignInPromoViewControllerTest, CloseBubbleAndHandleClick) {
+  // A user may press mouse down, some navigation closes the bubble, mouse up
+  // still sends the action.
+  EXPECT_CALL(*ui_controller(), NavigateToChromeSignIn()).Times(0);
+  [delegate() setModel:nil];
+  [controller().signInButton performClick:nil];
+  [controller().noButton performClick:nil];
+}
+
+}  // namespace