Override SigninManager::SignOut if force-signin is enabled.

chrome/browser/signin/force_signin_manager_unittest.cc

+// 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.
+
+#include "chrome/browser/signin/force_signin_manager.h"
+
+#include <memory>
+
+#include "chrome/browser/prefs/browser_prefs.h"
+#include "chrome/common/pref_names.h"
+#include "chrome/test/base/browser_with_test_window_test.h"
+#include "chrome/test/base/testing_browser_process.h"
+#include "components/prefs/testing_pref_service.h"
+#include "components/signin/core/browser/test_signin_client.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+class MockForceSigninManager : public ForceSigninManager {
+ public:
+  explicit MockForceSigninManager(Profile* profile)
+      : ForceSigninManager(profile,
+                           &test_client_,
+                           nullptr,
+                           &fake_service_,
+                           nullptr) {}
+
+  MOCK_METHOD3(DoSignOut,
+               void(signin_metrics::ProfileSignout,
+                    signin_metrics::SignoutDelete,
+                    const base::FilePath&));
+  MOCK_METHOD1(ShowUserManager, void(const base::FilePath&));
+
+  TestSigninClient test_client_{nullptr};
+  AccountTrackerService fake_service_;
+};
+
+class ForceSigninManagerTest : public BrowserWithTestWindowTest {
+ public:
+  void SetUp() override {
+    BrowserWithTestWindowTest::SetUp();
+    manager_.reset(new MockForceSigninManager(browser()->profile()));
+
+    prefs_.reset(new TestingPrefServiceSimple());
+    chrome::RegisterLocalState(prefs_->registry());
+    TestingBrowserProcess::GetGlobal()->SetLocalState(prefs_.get());
+    prefs_->SetBoolean(prefs::kForceBrowserSignin, true);
+  }
+
+  void TearDown() override {
+    BrowserWithTestWindowTest::TearDown();
+    TestingBrowserProcess::GetGlobal()->SetLocalState(nullptr);
+  }
+
+  std::unique_ptr<MockForceSigninManager> manager_;
+  std::unique_ptr<TestingPrefServiceSimple> prefs_;
+};
+
+TEST_F(ForceSigninManagerTest, Signout) {
+  signin_metrics::ProfileSignout source_metric =
+      signin_metrics::ProfileSignout::SIGNOUT_TEST;
+  signin_metrics::SignoutDelete delete_metric =
+      signin_metrics::SignoutDelete::IGNORE_METRIC;
+  EXPECT_CALL(*manager_, DoSignOut(source_metric, delete_metric,
+                                   browser()->profile()->GetPath()))
+      .Times(1);
+  EXPECT_CALL(*manager_, ShowUserManager(browser()->profile()->GetPath()))
+      .Times(1);
+  manager_->SignOut(source_metric, delete_metric);
+}
+
+TEST_F(ForceSigninManagerTest, SignoutWithoutManager) {
+  signin_metrics::ProfileSignout source_metric =
+      signin_metrics::ProfileSignout::SIGNOUT_TEST;
+  signin_metrics::SignoutDelete delete_metric =
+      signin_metrics::SignoutDelete::IGNORE_METRIC;
+
+  EXPECT_CALL(*manager_, DoSignOut(source_metric, delete_metric,
+                                   browser()->profile()->GetPath()))
+      .Times(1);
+  ForceSigninManager::DisableUserManagerDisplayForNextSignOut(manager_.get());
+  manager_->SignOut(source_metric, delete_metric);
+
+  EXPECT_CALL(*manager_, DoSignOut(source_metric, delete_metric,
+                                   browser()->profile()->GetPath()))
+      .Times(1);
+  EXPECT_CALL(*manager_, ShowUserManager(browser()->profile()->GetPath()))
+      .Times(1);
+  manager_->SignOut(source_metric, delete_metric);
+}