Added profile deletion browsertests.

chrome/browser/profiles/profile_manager_browsertest.cc

 // Copyright (c) 2012 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 <stddef.h>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
+#include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
+#include "chrome/browser/browsing_data/browsing_data_remover_impl.h"
+#include "chrome/browser/lifetime/keep_alive_types.h"
+#include "chrome/browser/lifetime/scoped_keep_alive.h"
 #include "chrome/browser/password_manager/password_store_factory.h"
 #include "chrome/browser/profiles/profile_attributes_entry.h"
 #include "chrome/browser/profiles/profile_attributes_storage.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profile_window.h"
 #include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/common/pref_names.h"
@@ skipping 30 matching lines @@
 void ProfileCreationComplete(Profile* profile, Profile::CreateStatus status) {
   ASSERT_NE(status, Profile::CREATE_STATUS_LOCAL_FAIL);
   ASSERT_NE(status, Profile::CREATE_STATUS_REMOTE_FAIL);
   // No browser should have been created for this profile yet.
   EXPECT_EQ(chrome::GetBrowserCount(profile), 0U);
   EXPECT_EQ(chrome::GetTotalBrowserCount(), 1U);
   if (status == Profile::CREATE_STATUS_INITIALIZED)
     base::MessageLoop::current()->QuitWhenIdle();
 }
 
+// An observer returns back to test code after one or more profiles was deleted.
+// It has ScopedKeepAlive object to prevent browser shutdown started in case

[Mike Lerman, 2017/04/03 16:56:49]

nit: this sentence needs better grammar

+// browser become windowless.
+class MultipleProfileDeletionObserver
+    : public BrowsingDataRemoverImpl::CompletionInhibitor {
+ public:
+  MultipleProfileDeletionObserver(size_t expect_profile_creation_count,
+                                  size_t expected_profile_data_removed_count)
+      : profiles_created_count_(0),
+        profiles_data_removed_count_(0),
+        expected_profile_creation_count_(expect_profile_creation_count),
+        expected_profile_data_removed_count_(
+            expected_profile_data_removed_count) {
+    size_t expected_events_count =
+        expected_profile_creation_count_ + expected_profile_data_removed_count_;
+    EXPECT_GT(expected_events_count, 0u);
+    BrowsingDataRemoverImpl::set_completion_inhibitor_for_testing(this);
+  }
+  ~MultipleProfileDeletionObserver() {
+    BrowsingDataRemoverImpl::set_completion_inhibitor_for_testing(nullptr);
+  }
+  ProfileManager::CreateCallback OnProfileCreatedClosure() {
+    return base::Bind(&MultipleProfileDeletionObserver::OnProfileCreated,
+                      base::Unretained(this));
+  }
+  void Wait() {
+    keep_alive_ = base::MakeUnique<ScopedKeepAlive>(
+        KeepAliveOrigin::PROFILE_HELPER, KeepAliveRestartOption::DISABLED);
+    loop_.Run();
+  }
+
+ private:
+  void OnProfileCreated(Profile* profile, Profile::CreateStatus status) {
+    EXPECT_EQ(Profile::CREATE_STATUS_INITIALIZED, status);
+    profiles_created_count_++;
+    MaybeQuit();
+  }
+
+  // TODO(https://crbug.com/704601): remove this code when bug is fixed.
+  void OnBrowsingDataRemoverWouldComplete(
+      BrowsingDataRemoverImpl* remover,
+      const base::Closure& continue_to_completion) override {
+    continue_to_completion.Run();
+    profiles_data_removed_count_++;
+    MaybeQuit();
+  }
+
+  void MaybeQuit() {
+    DLOG(INFO) << profiles_created_count_ << " of expected "
+               << expected_profile_creation_count_ << " profiles created, "
+               << profiles_data_removed_count_ << " of expected "
+               << expected_profile_data_removed_count_
+               << " profile data removed.";
+    if (profiles_created_count_ < expected_profile_creation_count_ ||
+        profiles_data_removed_count_ < expected_profile_data_removed_count_)
+      return;
+
+    EXPECT_EQ(expected_profile_creation_count_, profiles_created_count_);
+    EXPECT_EQ(expected_profile_data_removed_count_,
+              profiles_data_removed_count_);
+
+    keep_alive_.reset();
+    loop_.Quit();
+  }
+
+  base::RunLoop loop_;
+  std::unique_ptr<ScopedKeepAlive> keep_alive_;
+  size_t profiles_created_count_;
+  size_t profiles_data_removed_count_;
+  size_t expected_profile_creation_count_;
+  size_t expected_profile_data_removed_count_;
+};
+
 void EphemeralProfileCreationComplete(Profile* profile,
                                       Profile::CreateStatus status) {
   if (status == Profile::CREATE_STATUS_INITIALIZED)
     profile->GetPrefs()->SetBoolean(prefs::kForceEphemeralProfiles, true);
   ProfileCreationComplete(profile, status);
 }
 
 class ProfileRemovalObserver : public ProfileAttributesStorage::Observer {
  public:
   ProfileRemovalObserver() {
@@ skipping 73 matching lines @@
 class ProfileManagerBrowserTest : public InProcessBrowserTest {
  protected:
   void SetUpCommandLine(base::CommandLine* command_line) override {
 #if defined(OS_CHROMEOS)
     command_line->AppendSwitch(
         chromeos::switches::kIgnoreUserProfileMappingForTests);
 #endif
   }
 };
 
-#if defined(OS_MACOSX)
+// Android does not support multi-profiles, and CrOS multi-profiles
+// implementation is too different for these tests.
+#if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
 
 // Delete single profile and make sure a new one is created.
 IN_PROC_BROWSER_TEST_F(ProfileManagerBrowserTest, DeleteSingletonProfile) {
   ProfileManager* profile_manager = g_browser_process->profile_manager();
   ProfileAttributesStorage& storage =
       profile_manager->GetProfileAttributesStorage();
   ProfileRemovalObserver observer;
 
   // We should start out with 1 profile.
   ASSERT_EQ(1u, storage.GetNumberOfProfiles());
 
   // Delete singleton profile.
   base::FilePath singleton_profile_path =
       storage.GetAllProfilesAttributes().front()->GetPath();
   EXPECT_FALSE(singleton_profile_path.empty());
-  base::RunLoop run_loop;
+  MultipleProfileDeletionObserver profile_deletion_observer(1u, 1u);
   profile_manager->ScheduleProfileForDeletion(
       singleton_profile_path,
-      base::Bind(&OnUnblockOnProfileCreation, &run_loop));
+      profile_deletion_observer.OnProfileCreatedClosure());
 
   // Run the message loop until the profile is actually deleted (as indicated
   // by the callback above being called).
-  run_loop.Run();
+  profile_deletion_observer.Wait();
 
   // Make sure a new profile was created automatically.
   EXPECT_EQ(1u, storage.GetNumberOfProfiles());
   base::FilePath new_profile_path =
       storage.GetAllProfilesAttributes().front()->GetPath();
   EXPECT_NE(new_profile_path.value(), singleton_profile_path.value());
 
   // Make sure that last used profile preference is set correctly.
   Profile* last_used = ProfileManager::GetLastUsedProfile();
   EXPECT_EQ(new_profile_path.value(), last_used->GetPath().value());
 
   // Make sure the last used profile was set correctly before the notification
   // was sent.
   std::string last_used_profile_name =
       last_used->GetPath().BaseName().MaybeAsASCII();
   EXPECT_EQ(last_used_profile_name, observer.last_used_profile_name());
 }
 
+// Delete inactive profile in a multi profile setup and make sure current
+// browser is not affected.
+IN_PROC_BROWSER_TEST_F(ProfileManagerBrowserTest, DeleteInactiveProfile) {
+  ProfileManager* profile_manager = g_browser_process->profile_manager();
+  ProfileAttributesStorage& storage =
+      profile_manager->GetProfileAttributesStorage();
+  base::FilePath current_profile_path = browser()->profile()->GetPath();
+
+  // Create an additional profile.
+  base::FilePath new_path = profile_manager->GenerateNextProfileDirectoryPath();
+  base::RunLoop run_loop;
+  profile_manager->CreateProfileAsync(
+      new_path, base::Bind(&OnUnblockOnProfileCreation, &run_loop),
+      base::string16(), std::string(), std::string());
+  run_loop.Run();
+
+  ASSERT_EQ(2u, storage.GetNumberOfProfiles());
+
+  // Delete inactive profile.
+  MultipleProfileDeletionObserver profile_deletion_observer(0u, 1u);
+  profile_manager->ScheduleProfileForDeletion(
+      new_path, profile_deletion_observer.OnProfileCreatedClosure());
+  profile_deletion_observer.Wait();
+
+  // Make sure there only preexisted profile left.
+  EXPECT_EQ(1u, storage.GetNumberOfProfiles());
+  EXPECT_EQ(current_profile_path,
+            storage.GetAllProfilesAttributes().front()->GetPath());
+
+  // Make sure that last used profile preference is set correctly.
+  Profile* last_used = ProfileManager::GetLastUsedProfile();
+  EXPECT_EQ(current_profile_path, last_used->GetPath());
+}
+
+// Delete current profile in a multi profile setup and make sure an existing one
+// is loaded.
+IN_PROC_BROWSER_TEST_F(ProfileManagerBrowserTest, DeleteCurrentProfile) {
+  ProfileManager* profile_manager = g_browser_process->profile_manager();
+  ProfileAttributesStorage& storage =
+      profile_manager->GetProfileAttributesStorage();
+
+  // Create an additional profile.
+  base::FilePath new_path = profile_manager->GenerateNextProfileDirectoryPath();
+  base::RunLoop run_loop;
+  profile_manager->CreateProfileAsync(
+      new_path, base::Bind(&OnUnblockOnProfileCreation, &run_loop),
+      base::string16(), std::string(), std::string());
+  run_loop.Run();
+
+  ASSERT_EQ(2u, storage.GetNumberOfProfiles());
+
+  // Delete current profile.
+  MultipleProfileDeletionObserver profile_deletion_observer(1u, 1u);
+  profile_manager->ScheduleProfileForDeletion(
+      browser()->profile()->GetPath(),
+      profile_deletion_observer.OnProfileCreatedClosure());
+  profile_deletion_observer.Wait();
+
+  // Make sure a profile created earlier become the only profile.
+  EXPECT_EQ(1u, storage.GetNumberOfProfiles());
+  EXPECT_EQ(new_path, storage.GetAllProfilesAttributes().front()->GetPath());
+
+  // Make sure that last used profile preference is set correctly.
+  Profile* last_used = ProfileManager::GetLastUsedProfile();
+  EXPECT_EQ(new_path, last_used->GetPath());
+}
+
 // Delete all profiles in a multi profile setup and make sure a new one is
 // created.
-// Crashes/CHECKs. See crbug.com/104851
-IN_PROC_BROWSER_TEST_F(ProfileManagerBrowserTest, DISABLED_DeleteAllProfiles) {
+IN_PROC_BROWSER_TEST_F(ProfileManagerBrowserTest, DeleteAllProfiles) {
   ProfileManager* profile_manager = g_browser_process->profile_manager();
   ProfileAttributesStorage& storage =
       profile_manager->GetProfileAttributesStorage();
 
   // Create an additional profile.
   base::FilePath new_path = profile_manager->GenerateNextProfileDirectoryPath();
   base::RunLoop run_loop;
   profile_manager->CreateProfileAsync(
       new_path, base::Bind(&OnUnblockOnProfileCreation, &run_loop),
       base::string16(), std::string(), std::string());
 
   // Run the message loop to allow profile creation to take place; the loop is
   // terminated by OnUnblockOnProfileCreation when the profile is created.
   run_loop.Run();
 
   ASSERT_EQ(2u, storage.GetNumberOfProfiles());
 
   // Delete all profiles.
+  MultipleProfileDeletionObserver profile_deletion_observer(2u, 2u);
   std::vector<ProfileAttributesEntry*> entries =
       storage.GetAllProfilesAttributes();
   std::vector<base::FilePath> old_profile_paths;
   for (ProfileAttributesEntry* entry : entries) {
     base::FilePath profile_path = entry->GetPath();
     EXPECT_FALSE(profile_path.empty());
     profile_manager->ScheduleProfileForDeletion(
-        profile_path, ProfileManager::CreateCallback());
+        profile_path, profile_deletion_observer.OnProfileCreatedClosure());
     old_profile_paths.push_back(profile_path);
   }
-
-  // Spin things so deletion can take place.
-  content::RunAllPendingInMessageLoop();
+  profile_deletion_observer.Wait();
 
   // Make sure a new profile was created automatically.
   EXPECT_EQ(1u, storage.GetNumberOfProfiles());
   base::FilePath new_profile_path =
       storage.GetAllProfilesAttributes().front()->GetPath();
   for (const base::FilePath& old_profile_path : old_profile_paths)
     EXPECT_NE(old_profile_path, new_profile_path);
 
   // Make sure that last used profile preference is set correctly.
   Profile* last_used = ProfileManager::GetLastUsedProfile();
   EXPECT_EQ(new_profile_path, last_used->GetPath());
 }
-#endif  // OS_MACOSX
+#endif  // !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
 
 #if defined(OS_CHROMEOS)
 
 class ProfileManagerCrOSBrowserTest : public ProfileManagerBrowserTest {
  protected:
   void SetUpCommandLine(base::CommandLine* command_line) override {
     // Use a user hash other than the default chrome::kTestUserProfileDir
     // so that the prefix case is tested.
     command_line->AppendSwitchASCII(chromeos::switches::kLoginProfile,
                                     "test-user-hash");
@@ skipping 245 matching lines @@
 
   EXPECT_FALSE(profile->HasOffTheRecordProfile());
   EXPECT_FALSE(profile_manager->IsValidProfile(incognito_profile));
   EXPECT_EQ(initial_profile_count, profile_manager->GetNumberOfProfiles());
   // After destroying the incognito profile incognito preferences should be
   // cleared so the default save path should be taken from the main profile.
   EXPECT_FALSE(profile->GetOffTheRecordPrefs()
                    ->GetFilePath(prefs::kSaveFileDefaultDirectory)
                    .empty());
 }