Add unit tests for AppListServiceImpl.

chrome/browser/ui/app_list/app_list_service_unittest.cc

+// Copyright 2013 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 "apps/pref_names.h"
+#include "apps/prefs.h"
+#include "base/command_line.h"
+#include "base/files/file_path.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/prefs/pref_registry_simple.h"
+#include "base/prefs/pref_service.h"
+#include "base/prefs/pref_service_builder.h"
+#include "base/prefs/testing_pref_store.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profiles_state.h"
+#include "chrome/browser/ui/app_list/app_list_service.h"
+#include "chrome/browser/ui/app_list/app_list_service_impl.h"
+#include "chrome/browser/ui/app_list/test/fake_keep_alive_service.h"
+#include "chrome/browser/ui/app_list/test/fake_profile.h"
+#include "chrome/browser/ui/app_list/test/fake_profile_store.h"
+#include "chrome/common/chrome_constants.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class TestingAppListServiceImpl : public AppListServiceImpl {
+ public:
+  TestingAppListServiceImpl(const CommandLine& command_line,
+                            PrefService* local_state,
+                            scoped_ptr<ProfileStore> profile_store,
+                            scoped_ptr<KeepAliveService> keep_alive_service)
+      : AppListServiceImpl(command_line,
+                           local_state,
+                           profile_store.Pass(),
+                           keep_alive_service.Pass()),
+        showing_for_profile_(NULL) {
+  }
+
+  Profile* showing_for_profile() const {
+    return showing_for_profile_;
+  }
+
+  void HandleCommandLineFlags(Profile* profile) {
+    AppListServiceImpl::HandleCommandLineFlags(profile);
+  }
+
+  virtual void CreateForProfile(Profile* requested_profile) OVERRIDE {
+  }
+
+  virtual void ShowForProfile(Profile* requested_profile) OVERRIDE {
+    showing_for_profile_ = requested_profile;
+  }
+
+  virtual void DismissAppList() OVERRIDE {
+    showing_for_profile_ = NULL;
+  }
+
+  virtual bool IsAppListVisible() const OVERRIDE {
+    return !!showing_for_profile_;
+  }
+
+  virtual gfx::NativeWindow GetAppListWindow() OVERRIDE {
+    return NULL;
+  }
+
+  virtual AppListControllerDelegate* CreateControllerDelegate() OVERRIDE {
+    return NULL;
+  }
+
+ private:
+  Profile* showing_for_profile_;
+};
+
+class AppListServiceUnitTest : public testing::Test {
+ public:
+  virtual void SetUp() OVERRIDE {
+    SetupWithCommandLine(CommandLine(CommandLine::NO_PROGRAM));
+  }
+
+  void SetupWithCommandLine(const CommandLine& command_line) {
+    user_data_dir_ = base::FilePath(FILE_PATH_LITERAL("udd"));
+    profile1_.reset(
+        new FakeProfile("p1", user_data_dir_.AppendASCII("profile1")));
+    profile2_.reset(
+        new FakeProfile("p2", user_data_dir_.AppendASCII("profile2")));
+    PrefRegistrySimple* pref_registry = new PrefRegistrySimple;
+
+    AppListService::RegisterPrefs(pref_registry);
+    apps::RegisterPrefs(pref_registry);
+    profiles::RegisterPrefs(pref_registry);
+
+    PrefServiceBuilder builder;
+    builder.WithUserPrefs(new TestingPrefStore);
+    local_state_.reset(builder.Create(pref_registry));
+
+    keep_alive_service_ = new FakeKeepAliveService;
+    profile_store_ = new FakeProfileStore(user_data_dir_);
+    service_.reset(new TestingAppListServiceImpl(
+        command_line,
+        local_state_.get(),
+        scoped_ptr<ProfileStore>(profile_store_),
+        scoped_ptr<KeepAliveService>(keep_alive_service_)));
+  }
+
+  base::FilePath user_data_dir_;
+  scoped_ptr<PrefService> local_state_;
+  FakeProfileStore* profile_store_;
+  FakeKeepAliveService* keep_alive_service_;
+  scoped_ptr<TestingAppListServiceImpl> service_;
+  scoped_ptr<FakeProfile> profile1_;
+  scoped_ptr<FakeProfile> profile2_;
+};
+
+TEST_F(AppListServiceUnitTest, EnablingStateIsPersisted) {
+  EXPECT_FALSE(local_state_->GetBoolean(prefs::kAppLauncherHasBeenEnabled));
+  service_->EnableAppList(profile1_.get());
+  EXPECT_TRUE(local_state_->GetBoolean(prefs::kAppLauncherHasBeenEnabled));
+  EXPECT_EQ(profile1_->GetPath(), user_data_dir_.Append(
+      local_state_->GetFilePath(prefs::kAppListProfile)));
+}
+
+TEST_F(AppListServiceUnitTest, ShowingForProfileLoadsAProfile) {
+  profile_store_->LoadProfile(profile1_.get());
+  service_->EnableAppList(profile1_.get());
+  service_->Show();
+  EXPECT_EQ(profile1_.get(), service_->showing_for_profile());
+  EXPECT_TRUE(service_->IsAppListVisible());
+}
+
+TEST_F(AppListServiceUnitTest, RemovedProfileResetsToInitialProfile) {
+  service_->EnableAppList(profile1_.get());
+  profile_store_->RemoveProfile(profile1_.get());
+  base::FilePath initial_profile_path =
+      user_data_dir_.AppendASCII(chrome::kInitialProfile);
+  EXPECT_EQ(initial_profile_path,
+            service_->GetProfilePath(profile_store_->GetUserDataDir()));
+}
+
+TEST_F(AppListServiceUnitTest,
+       RemovedProfileResetsToLastUsedProfileIfExists) {
+  local_state_->SetString(prefs::kProfileLastUsed, "last-used");
+  service_->EnableAppList(profile1_.get());
+  profile_store_->RemoveProfile(profile1_.get());
+  base::FilePath last_used_profile_path =
+      user_data_dir_.AppendASCII("last-used");
+  EXPECT_EQ(last_used_profile_path,
+            service_->GetProfilePath(profile_store_->GetUserDataDir()));
+}
+
+TEST_F(AppListServiceUnitTest, SwitchingProfilesPersists) {
+  profile_store_->LoadProfile(profile1_.get());
+  profile_store_->LoadProfile(profile2_.get());
+  service_->EnableAppList(profile1_.get());
+  service_->SetProfilePath(profile2_->GetPath());
+  service_->Show();
+  EXPECT_EQ(profile2_.get(), service_->showing_for_profile());
+  EXPECT_EQ(profile2_->GetPath(),
+            service_->GetProfilePath(profile_store_->GetUserDataDir()));
+  service_->SetProfilePath(profile1_->GetPath());
+  EXPECT_EQ(profile1_->GetPath(),
+            service_->GetProfilePath(profile_store_->GetUserDataDir()));
+}
+
+TEST_F(AppListServiceUnitTest, EnableViaCommandLineFlag) {
+  CommandLine command_line(CommandLine::NO_PROGRAM);
+  command_line.AppendSwitch(switches::kEnableAppList);
+  SetupWithCommandLine(command_line);
+  service_->HandleCommandLineFlags(profile1_.get());
+  EXPECT_TRUE(local_state_->GetBoolean(prefs::kAppLauncherHasBeenEnabled));
+}
+
+TEST_F(AppListServiceUnitTest, DisableViaCommandLineFlag) {
+  CommandLine command_line(CommandLine::NO_PROGRAM);
+  command_line.AppendSwitch(switches::kDisableAppList);
+  SetupWithCommandLine(command_line);
+  service_->HandleCommandLineFlags(profile1_.get());
+  EXPECT_FALSE(local_state_->GetBoolean(prefs::kAppLauncherHasBeenEnabled));
+}