Add user name in the feedback data.

blimp/client/core/session/identity_source_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 "blimp/client/core/session/identity_source.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 
@@ skipping 245 matching lines @@
   GoogleServiceAuthError error(
       GoogleServiceAuthError::State::CONNECTION_FAILED);
 
   EXPECT_CALL(mock_blimp_delegate, OnAuthenticationError(error))
       .WillOnce(Return());
   token_service->IssueErrorForAllPendingRequestsForAccount(account, error);
 
   DCHECK_EQ(auth.Failed(), 1);
 }
 
+TEST_F(IdentitySourceTest, CheckUserName) {
+  TestBlimpClientContextDelegate mock_blimp_delegate;
+  MockIdentitySource auth(
+      mock_blimp_delegate.CreateIdentityProvider(),
+      base::Bind(&TestBlimpClientContextDelegate::OnAuthenticationError,
+                 base::Unretained(&mock_blimp_delegate)),
+      base::Bind(&MockIdentitySource::MockTokenCall, base::Unretained(&auth)));
+
+  FakeIdentityProvider* id_provider =
+      static_cast<FakeIdentityProvider*>(auth.GetIdentityProvider());
+  std::string account = "mock_account";
+
+  // Verify the user name before the login.
+  EXPECT_EQ("", auth.GetActiveUsername());
+
+  // Log in the mock user.
+  id_provider->LogIn(account);
+
+  // Verify that the identity source can return the correct user name.
+  EXPECT_EQ(account, auth.GetActiveUsername());
+
+  // Verify the user name after the logout.
+  id_provider->LogOut();
+  EXPECT_EQ("", auth.GetActiveUsername());
+}
+
 }  // namespace
 }  // namespace client
 }  // namespace blimp