Upstream PO2TS_IOS unit test.

components/signin/ios/browser/profile_oauth2_token_service_ios_unittest.mm

Index: components/signin/ios/browser/profile_oauth2_token_service_ios_unittest.mm
diff --git a/components/signin/ios/browser/profile_oauth2_token_service_ios_unittest.mm b/components/signin/ios/browser/profile_oauth2_token_service_ios_unittest.mm
new file mode 100644
index 0000000000000000000000000000000000000000..cd3bf220ff2950ad906d8a678777fc7f417ee69c
--- /dev/null
+++ b/components/signin/ios/browser/profile_oauth2_token_service_ios_unittest.mm
@@ -0,0 +1,276 @@
+// Copyright 2014 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 "base/run_loop.h"
+#include "components/signin/core/browser/profile_oauth2_token_service.h"
+#include "components/signin/core/browser/test_signin_client.h"
+#include "components/signin/ios/browser/profile_oauth2_token_service_ios.h"
+#include "google_apis/gaia/gaia_urls.h"
+#include "google_apis/gaia/oauth2_token_service_test_util.h"
+#include "ios/public/test/fake_profile_oauth2_token_service_ios_provider.h"
+#include "net/url_request/test_url_fetcher_factory.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class ProfileOAuth2TokenServiceIOSTest : public testing::Test,
+                                         public OAuth2TokenService::Consumer,
+                                         public OAuth2TokenService::Observer {
+ public:
+  ProfileOAuth2TokenServiceIOSTest()
+      : OAuth2TokenService::Consumer("test_consumer_id"),
+        factory_(NULL),
+        token_available_count_(0),
+        token_revoked_count_(0),
+        tokens_loaded_count_(0),
+        access_token_success_(0),
+        access_token_failure_(0),
+        last_access_token_error_(GoogleServiceAuthError::NONE) {}
+
+  virtual void SetUp() OVERRIDE {
+    factory_.SetFakeResponse(GaiaUrls::GetInstance()->oauth2_revoke_url(),
+                             "",
+                             net::HTTP_OK,
+                             net::URLRequestStatus::SUCCESS);
+    fake_provider_ = client_.GetIOSProviderAsFake();
+    fake_provider_->set_using_shared_authentication(true);
+    oauth2_service_.Initialize(&client_);
+    oauth2_service_.AddObserver(this);
+  }
+
+  virtual void TearDown() OVERRIDE {
+    oauth2_service_.RemoveObserver(this);
+    oauth2_service_.Shutdown();
+  }
+
+  // OAuth2TokenService::Consumer implementation.
+  virtual void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
+                                 const std::string& access_token,
+                                 const base::Time& expiration_time) OVERRIDE {
+    ++access_token_success_;
+  }
+
+  virtual void OnGetTokenFailure(const OAuth2TokenService::Request* request,
+                                 const GoogleServiceAuthError& error) OVERRIDE {
+    ++access_token_failure_;
+    last_access_token_error_ = error;
+  };
+
+  // OAuth2TokenService::Observer implementation.
+  virtual void OnRefreshTokenAvailable(const std::string& account_id) OVERRIDE {
+    ++token_available_count_;
+  }
+  virtual void OnRefreshTokenRevoked(const std::string& account_id) OVERRIDE {
+    ++token_revoked_count_;
+  }
+  virtual void OnRefreshTokensLoaded() OVERRIDE { ++tokens_loaded_count_; }
+
+  void ResetObserverCounts() {
+    token_available_count_ = 0;
+    token_revoked_count_ = 0;
+    tokens_loaded_count_ = 0;
+    token_available_count_ = 0;
+    access_token_failure_ = 0;
+  }
+
+ protected:
+  base::MessageLoop message_loop_;
+  net::FakeURLFetcherFactory factory_;
+  TestSigninClient client_;
+  ios::FakeProfileOAuth2TokenServiceIOSProvider* fake_provider_;
+  ProfileOAuth2TokenServiceIOS oauth2_service_;
+  TestingOAuth2TokenServiceConsumer consumer_;
+  int token_available_count_;
+  int token_revoked_count_;
+  int tokens_loaded_count_;
+  int access_token_success_;
+  int access_token_failure_;
+  GoogleServiceAuthError last_access_token_error_;
+};
+
+TEST_F(ProfileOAuth2TokenServiceIOSTest, LoadRevokeCredentialsOneAccount) {
+  fake_provider_->AddAccount("account_id");
+  oauth2_service_.LoadCredentials("account_id");
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(1, token_available_count_);
+  EXPECT_EQ(1, tokens_loaded_count_);
+  EXPECT_EQ(0, token_revoked_count_);
+  EXPECT_EQ(1U, oauth2_service_.GetAccounts().size());
+  EXPECT_TRUE(oauth2_service_.RefreshTokenIsAvailable("account_id"));
+
+  ResetObserverCounts();
+  oauth2_service_.RevokeAllCredentials();
+  EXPECT_EQ(0, token_available_count_);
+  EXPECT_EQ(0, tokens_loaded_count_);
+  EXPECT_EQ(1, token_revoked_count_);
+  EXPECT_EQ(0U, oauth2_service_.GetAccounts().size());
+  EXPECT_FALSE(oauth2_service_.RefreshTokenIsAvailable("account_id_1"));
+}
+
+TEST_F(ProfileOAuth2TokenServiceIOSTest,
+       LoadRevokeCredentialsMultipleAccounts) {
+  fake_provider_->AddAccount("account_id_1");
+  fake_provider_->AddAccount("account_id_2");
+  fake_provider_->AddAccount("account_id_3");
+  oauth2_service_.LoadCredentials("account_id_1");
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(3, token_available_count_);
+  EXPECT_EQ(1, tokens_loaded_count_);
+  EXPECT_EQ(0, token_revoked_count_);
+  EXPECT_EQ(3U, oauth2_service_.GetAccounts().size());
+  EXPECT_TRUE(oauth2_service_.RefreshTokenIsAvailable("account_id_1"));
+  EXPECT_TRUE(oauth2_service_.RefreshTokenIsAvailable("account_id_2"));
+  EXPECT_TRUE(oauth2_service_.RefreshTokenIsAvailable("account_id_3"));
+
+  ResetObserverCounts();
+  oauth2_service_.RevokeAllCredentials();
+  EXPECT_EQ(0, token_available_count_);
+  EXPECT_EQ(0, tokens_loaded_count_);
+  EXPECT_EQ(3, token_revoked_count_);
+  EXPECT_EQ(0U, oauth2_service_.GetAccounts().size());
+  EXPECT_FALSE(oauth2_service_.RefreshTokenIsAvailable("account_id_1"));
+  EXPECT_FALSE(oauth2_service_.RefreshTokenIsAvailable("account_id_2"));
+  EXPECT_FALSE(oauth2_service_.RefreshTokenIsAvailable("account_id_3"));
+}
+
+TEST_F(ProfileOAuth2TokenServiceIOSTest, ReloadCredentials) {
+  fake_provider_->AddAccount("account_id_1");
+  fake_provider_->AddAccount("account_id_2");
+  fake_provider_->AddAccount("account_id_3");
+  oauth2_service_.LoadCredentials("account_id_1");
+  base::RunLoop().RunUntilIdle();
+
+  // Change the accounts.
+  ResetObserverCounts();
+  fake_provider_->ClearAccounts();
+  fake_provider_->AddAccount("account_id_1");
+  fake_provider_->AddAccount("account_id_4");
+  oauth2_service_.ReloadCredentials();
+
+  EXPECT_EQ(1, token_available_count_);
+  EXPECT_EQ(0, tokens_loaded_count_);
+  EXPECT_EQ(2, token_revoked_count_);
+  EXPECT_EQ(2U, oauth2_service_.GetAccounts().size());
+  EXPECT_TRUE(oauth2_service_.RefreshTokenIsAvailable("account_id_1"));
+  EXPECT_FALSE(oauth2_service_.RefreshTokenIsAvailable("account_id_2"));
+  EXPECT_FALSE(oauth2_service_.RefreshTokenIsAvailable("account_id_3"));
+  EXPECT_TRUE(oauth2_service_.RefreshTokenIsAvailable("account_id_4"));
+}
+
+TEST_F(ProfileOAuth2TokenServiceIOSTest, StartRequestSuccess) {
+  fake_provider_->AddAccount("account_id_1");
+  oauth2_service_.LoadCredentials("account_id_1");
+  base::RunLoop().RunUntilIdle();
+
+  // Fetch access tokens.
+  ResetObserverCounts();
+  OAuth2TokenService::ScopeSet scopes;
+  scopes.insert("scope");
+  scoped_ptr<OAuth2TokenService::Request> request(
+      oauth2_service_.StartRequest("account_id_1", scopes, this));
+  EXPECT_EQ(0, access_token_success_);
+  EXPECT_EQ(0, access_token_failure_);
+
+  ResetObserverCounts();
+  fake_provider_->IssueAccessTokenForAllRequests();
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(1, access_token_success_);
+  EXPECT_EQ(0, access_token_failure_);
+}
+
+TEST_F(ProfileOAuth2TokenServiceIOSTest, StartRequestFailure) {
+  fake_provider_->AddAccount("account_id_1");
+  oauth2_service_.LoadCredentials("account_id_1");
+  base::RunLoop().RunUntilIdle();
+
+  // Fetch access tokens.
+  ResetObserverCounts();
+  OAuth2TokenService::ScopeSet scopes;
+  scopes.insert("scope");
+  scoped_ptr<OAuth2TokenService::Request> request(
+      oauth2_service_.StartRequest("account_id_1", scopes, this));
+  EXPECT_EQ(0, access_token_success_);
+  EXPECT_EQ(0, access_token_failure_);
+
+  ResetObserverCounts();
+  fake_provider_->IssueAccessTokenErrorForAllRequests();
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(0, access_token_success_);
+  EXPECT_EQ(1, access_token_failure_);
+}
+
+TEST_F(ProfileOAuth2TokenServiceIOSTest, Migration) {
+  fake_provider_->set_using_shared_authentication(false);
+  oauth2_service_.LoadCredentials("account_id_1");
+  base::RunLoop().RunUntilIdle();
+
+  ResetObserverCounts();
+  oauth2_service_.UpdateCredentials("account_id_1", "pre_sso_refresh_token_1");
+  oauth2_service_.UpdateCredentials("account_id_2", "pre_sso_refresh_token_2");
+  EXPECT_EQ(2, token_available_count_);
+  EXPECT_EQ(0, tokens_loaded_count_);
+  EXPECT_EQ(0, token_revoked_count_);
+  EXPECT_EQ(2U, oauth2_service_.GetAccounts().size());
+  EXPECT_TRUE(oauth2_service_.RefreshTokenIsAvailable("account_id_1"));
+  EXPECT_TRUE(oauth2_service_.RefreshTokenIsAvailable("account_id_2"));
+  EXPECT_EQ("pre_sso_refresh_token_1",
+            oauth2_service_.GetRefreshTokenWhenNotUsingSharedAuthentication(
+                "account_id_1"));
+  EXPECT_EQ("pre_sso_refresh_token_2",
+            oauth2_service_.GetRefreshTokenWhenNotUsingSharedAuthentication(
+                "account_id_2"));
+
+  ResetObserverCounts();
+  oauth2_service_.StartUsingSharedAuthentication();
+  EXPECT_EQ(0, token_available_count_);
+  EXPECT_EQ(0, tokens_loaded_count_);
+  EXPECT_EQ(2, token_revoked_count_);
+  EXPECT_EQ(0U, oauth2_service_.GetAccounts().size());
+  EXPECT_FALSE(oauth2_service_.RefreshTokenIsAvailable("account_id_1"));
+  EXPECT_FALSE(oauth2_service_.RefreshTokenIsAvailable("account_id_2"));
+
+  ResetObserverCounts();
+  fake_provider_->AddAccount("account_id_1");
+  oauth2_service_.ReloadCredentials();
+  EXPECT_EQ(1, token_available_count_);
+  EXPECT_EQ(0, tokens_loaded_count_);
+  EXPECT_EQ(0, token_revoked_count_);
+  EXPECT_EQ(1U, oauth2_service_.GetAccounts().size());
+  EXPECT_TRUE(oauth2_service_.RefreshTokenIsAvailable("account_id_1"));
+  EXPECT_FALSE(oauth2_service_.RefreshTokenIsAvailable("account_id_2"));
+}
+
+TEST_F(ProfileOAuth2TokenServiceIOSTest, ForceInvalidGrantResponses) {
+  fake_provider_->set_using_shared_authentication(false);
+  oauth2_service_.LoadCredentials("account_id_1");
+  base::RunLoop().RunUntilIdle();
+  oauth2_service_.UpdateCredentials("account_id_1", "pre_sso_refresh_token_1");
+  EXPECT_TRUE(oauth2_service_.RefreshTokenIsAvailable("account_id_1"));
+
+  // First call revokes the existing token and then updates the credentials
+  // with a fake token.
+  ResetObserverCounts();
+  oauth2_service_.ForceInvalidGrantResponses();
+  EXPECT_EQ(1, token_available_count_);
+  EXPECT_EQ(0, tokens_loaded_count_);
+  EXPECT_EQ(1, token_revoked_count_);
+  EXPECT_TRUE(oauth2_service_.RefreshTokenIsAvailable("account_id_1"));
+
+  // Fetching access tokens fails with invalid grant responses.
+  OAuth2TokenService::ScopeSet scopes;
+  scopes.insert("scope");
+  scoped_ptr<OAuth2TokenService::Request> request(
+      oauth2_service_.StartRequest("account_id_1", scopes, this));
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(0, access_token_success_);
+  EXPECT_EQ(1, access_token_failure_);
+  EXPECT_EQ(GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS,
+            last_access_token_error_.state());
+
+  // Second call to force invalid grant responses is ignored.
+  ResetObserverCounts();
+  oauth2_service_.ForceInvalidGrantResponses();
+  EXPECT_EQ(0, token_available_count_);
+  EXPECT_EQ(0, tokens_loaded_count_);
+  EXPECT_EQ(0, token_revoked_count_);
+  EXPECT_TRUE(oauth2_service_.RefreshTokenIsAvailable("account_id_1"));
+}