Enforce check on how many pref updates and cache updates are called in http_server_properties_manag…

net/http/http_server_properties_manager_unittest.cc

 // 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 "net/http/http_server_properties_manager.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/json/json_reader.h"
@@ skipping 195 matching lines @@
   }
 
   void ExpectScheduleUpdatePrefsOnNetworkThread() {
     EXPECT_CALL(*http_server_props_manager_,
                 ScheduleUpdatePrefsOnNetworkThread(_))
         .WillOnce(Invoke(http_server_props_manager_.get(),
                          &TestingHttpServerPropertiesManager::
                              ScheduleUpdatePrefsOnNetworkThreadConcrete));
   }
 
   void ExpectScheduleUpdatePrefsOnNetworkThreadRepeatedly() {

[xunjieli, 2016/12/19 15:48:18]

Will you get to this one in a later CL?
I wanted to make sure that the number of scheduled updates can be greater than
actual number of updates.

[Zhongyi Shi, 2016/12/19 18:42:09]

Ah, I added another check here. PTAL!

     EXPECT_CALL(*http_server_props_manager_,
                 ScheduleUpdatePrefsOnNetworkThread(_))
         .WillRepeatedly(Invoke(http_server_props_manager_.get(),
                                &TestingHttpServerPropertiesManager::
                                    ScheduleUpdatePrefsOnNetworkThreadConcrete));
   }
 
-  void ExpectPrefsUpdate() {
+  void ExpectPrefsUpdate(int times) {
     EXPECT_CALL(*http_server_props_manager_,
                 UpdatePrefsFromCacheOnNetworkThread(_))
-        .WillOnce(Invoke(http_server_props_manager_.get(),
-                         &TestingHttpServerPropertiesManager::
-                             UpdatePrefsFromCacheOnNetworkThreadConcrete));
-  }
-
-  void ExpectPrefsUpdateRepeatedly() {
-    EXPECT_CALL(*http_server_props_manager_,
-                UpdatePrefsFromCacheOnNetworkThread(_))
+        .Times(times)
         .WillRepeatedly(
             Invoke(http_server_props_manager_.get(),
                    &TestingHttpServerPropertiesManager::
                        UpdatePrefsFromCacheOnNetworkThreadConcrete));
   }
 
   bool HasAlternativeService(const url::SchemeHostPort& server) {
     const AlternativeServiceVector alternative_service_vector =
         http_server_props_manager_->GetAlternativeServices(server);
     return !alternative_service_vector.empty();
@@ skipping 235 matching lines @@
   EXPECT_EQ(quic_server_info2, *http_server_props_manager_->GetQuicServerInfo(
                                    mail_quic_server_id));
   EXPECT_EQ(quic_server_info3, *http_server_props_manager_->GetQuicServerInfo(
                                    play_quic_server_id));
   */
 }
 
 TEST_P(HttpServerPropertiesManagerTest, BadCachedHostPortPair) {
   ExpectCacheUpdate();
   // The prefs are automatically updated in the case corruption is detected.
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
   ExpectScheduleUpdatePrefsOnNetworkThread();
 
   base::DictionaryValue* server_pref_dict = new base::DictionaryValue;
 
   // Set supports_spdy for www.google.com:65536.
   server_pref_dict->SetBoolean("supports_spdy", true);
 
   // Set up alternative_service for www.google.com:65536.
   std::unique_ptr<base::DictionaryValue> alternative_service_dict(
       new base::DictionaryValue);
@@ skipping 69 matching lines @@
   EXPECT_FALSE(HasAlternativeService(gooler_server));
   const ServerNetworkStats* stats1 =
       http_server_props_manager_->GetServerNetworkStats(gooler_server);
   EXPECT_EQ(nullptr, stats1);
   EXPECT_EQ(0u, http_server_props_manager_->quic_server_info_map().size());
 }
 
 TEST_P(HttpServerPropertiesManagerTest, BadCachedAltProtocolPort) {
   ExpectCacheUpdate();
   // The prefs are automatically updated in the case corruption is detected.
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
   ExpectScheduleUpdatePrefsOnNetworkThread();
 
   base::DictionaryValue* server_pref_dict = new base::DictionaryValue;
 
   // Set supports_spdy for www.google.com:80.
   server_pref_dict->SetBoolean("supports_spdy", true);
 
   // Set up alternative_service for www.google.com:80.
   std::unique_ptr<base::DictionaryValue> alternative_service_dict(
       new base::DictionaryValue);
@@ skipping 40 matching lines @@
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
 
   // Verify alternative service is not set.
   EXPECT_FALSE(
       HasAlternativeService(url::SchemeHostPort("http", "www.google.com", 80)));
 }
 
 TEST_P(HttpServerPropertiesManagerTest, SupportsSpdy) {
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
   ExpectScheduleUpdatePrefsOnNetworkThread();
 
   // Post an update task to the network thread. SetSupportsSpdy calls
   // ScheduleUpdatePrefsOnNetworkThread.
 
   // Add mail.google.com:443 as a supporting spdy server.
   url::SchemeHostPort spdy_server("https", "mail.google.com", 443);
   EXPECT_FALSE(
       http_server_props_manager_->SupportsRequestPriority(spdy_server));
   http_server_props_manager_->SetSupportsSpdy(spdy_server, true);
@@ skipping 14 matching lines @@
 }
 
 // Regression test for crbug.com/670519. Test that there is only one pref update
 // scheduled if multiple updates happen in a given time period. Subsequent pref
 // update could also be scheduled once the previous scheduled update is
 // completed.
 TEST_P(HttpServerPropertiesManagerTest,
        SinglePrefUpdateForTwoSpdyServerCacheChangese) {
   http_server_props_manager_->set_pref_update_delay(
       base::TimeDelta::FromMilliseconds(60));
-  ExpectPrefsUpdateRepeatedly();
+  ExpectPrefsUpdate(2);
   ExpectScheduleUpdatePrefsOnNetworkThreadRepeatedly();
 
   // Post an update task to the network thread. SetSupportsSpdy calls
   // ScheduleUpdatePrefsOnNetworkThread with a delay of 60ms.
   url::SchemeHostPort spdy_server("https", "mail.google.com", 443);
   EXPECT_FALSE(
       http_server_props_manager_->SupportsRequestPriority(spdy_server));
   http_server_props_manager_->SetSupportsSpdy(spdy_server, true);
   // The pref update task should be scheduled to network thread.
   EXPECT_EQ(1u, net_test_task_runner_->GetPendingTaskCount());
@@ skipping 34 matching lines @@
   net_test_task_runner_->FastForwardUntilNoTasksRemain();
   EXPECT_TRUE(pref_test_task_runner_->HasPendingTask());
   pref_test_task_runner_->FastForwardUntilNoTasksRemain();
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
 
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
 }
 
 TEST_P(HttpServerPropertiesManagerTest, GetAlternativeServices) {
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
   ExpectScheduleUpdatePrefsOnNetworkThread();
 
   url::SchemeHostPort spdy_server_mail("http", "mail.google.com", 80);
   EXPECT_FALSE(HasAlternativeService(spdy_server_mail));
   const AlternativeService alternative_service(kProtoHTTP2, "mail.google.com",
                                                443);
   http_server_props_manager_->SetAlternativeService(
       spdy_server_mail, alternative_service, one_day_from_now_);
   // ExpectScheduleUpdatePrefsOnNetworkThread() should be called only once.
   http_server_props_manager_->SetAlternativeService(
@@ skipping 10 matching lines @@
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
 
   AlternativeServiceVector alternative_service_vector =
       http_server_props_manager_->GetAlternativeServices(spdy_server_mail);
   ASSERT_EQ(1u, alternative_service_vector.size());
   EXPECT_EQ(alternative_service, alternative_service_vector[0]);
 }
 
 TEST_P(HttpServerPropertiesManagerTest, SetAlternativeServices) {
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
   ExpectScheduleUpdatePrefsOnNetworkThread();
 
   url::SchemeHostPort spdy_server_mail("http", "mail.google.com", 80);
   EXPECT_FALSE(HasAlternativeService(spdy_server_mail));
   AlternativeServiceInfoVector alternative_service_info_vector;
   const AlternativeService alternative_service1(kProtoHTTP2, "mail.google.com",
                                                 443);
   alternative_service_info_vector.push_back(
       AlternativeServiceInfo(alternative_service1, one_day_from_now_));
   const AlternativeService alternative_service2(kProtoQUIC, "mail.google.com",
@@ skipping 34 matching lines @@
 
   // ExpectScheduleUpdatePrefsOnNetworkThread() should not be called.
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
 
   EXPECT_FALSE(HasAlternativeService(spdy_server_mail));
 }
 
 TEST_P(HttpServerPropertiesManagerTest, ConfirmAlternativeService) {
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
 
   url::SchemeHostPort spdy_server_mail("http", "mail.google.com", 80);
   EXPECT_FALSE(HasAlternativeService(spdy_server_mail));
   AlternativeService alternative_service(kProtoHTTP2, "mail.google.com", 443);
 
   ExpectScheduleUpdatePrefsOnNetworkThread();
   http_server_props_manager_->SetAlternativeService(
       spdy_server_mail, alternative_service, one_day_from_now_);
 
   EXPECT_FALSE(http_server_props_manager_->IsAlternativeServiceBroken(
@@ skipping 32 matching lines @@
 
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
 
   EXPECT_FALSE(http_server_props_manager_->IsAlternativeServiceBroken(
       alternative_service));
   EXPECT_FALSE(http_server_props_manager_->WasAlternativeServiceRecentlyBroken(
       alternative_service));
 }
 
 TEST_P(HttpServerPropertiesManagerTest, SupportsQuic) {
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
   ExpectScheduleUpdatePrefsOnNetworkThread();
 
   IPAddress address;
   EXPECT_FALSE(http_server_props_manager_->GetSupportsQuic(&address));
 
   IPAddress actual_address(127, 0, 0, 1);
   http_server_props_manager_->SetSupportsQuic(true, actual_address);
   // ExpectScheduleUpdatePrefsOnNetworkThread() should be called only once.
   http_server_props_manager_->SetSupportsQuic(true, actual_address);
 
   // Run the task.
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
   EXPECT_TRUE(net_test_task_runner_->HasPendingTask());
   net_test_task_runner_->FastForwardUntilNoTasksRemain();
   EXPECT_TRUE(pref_test_task_runner_->HasPendingTask());
   pref_test_task_runner_->FastForwardUntilNoTasksRemain();
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
 
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
 
   EXPECT_TRUE(http_server_props_manager_->GetSupportsQuic(&address));
   EXPECT_EQ(actual_address, address);
 }
 
 TEST_P(HttpServerPropertiesManagerTest, ServerNetworkStats) {
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
   ExpectScheduleUpdatePrefsOnNetworkThread();
 
   url::SchemeHostPort mail_server("http", "mail.google.com", 80);
   const ServerNetworkStats* stats =
       http_server_props_manager_->GetServerNetworkStats(mail_server);
   EXPECT_EQ(nullptr, stats);
   ServerNetworkStats stats1;
   stats1.srtt = base::TimeDelta::FromMicroseconds(10);
   http_server_props_manager_->SetServerNetworkStats(mail_server, stats1);
   // ExpectScheduleUpdatePrefsOnNetworkThread() should be called only once.
   http_server_props_manager_->SetServerNetworkStats(mail_server, stats1);
 
   // Run the task.
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
   EXPECT_TRUE(net_test_task_runner_->HasPendingTask());
   net_test_task_runner_->FastForwardUntilNoTasksRemain();
   EXPECT_TRUE(pref_test_task_runner_->HasPendingTask());
   pref_test_task_runner_->FastForwardUntilNoTasksRemain();
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
 
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
 
   const ServerNetworkStats* stats2 =
       http_server_props_manager_->GetServerNetworkStats(mail_server);
   EXPECT_EQ(10, stats2->srtt.ToInternalValue());
 }
 
 TEST_P(HttpServerPropertiesManagerTest, QuicServerInfo) {
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
   ExpectScheduleUpdatePrefsOnNetworkThread();
 
   QuicServerId mail_quic_server_id("mail.google.com", 80);
   EXPECT_EQ(nullptr,
             http_server_props_manager_->GetQuicServerInfo(mail_quic_server_id));
   std::string quic_server_info1("quic_server_info1");
   http_server_props_manager_->SetQuicServerInfo(mail_quic_server_id,
                                                 quic_server_info1);
   // ExpectScheduleUpdatePrefsOnNetworkThread() should be called only once.
   http_server_props_manager_->SetQuicServerInfo(mail_quic_server_id,
@@ skipping 12 matching lines @@
 
   EXPECT_EQ(quic_server_info1, *http_server_props_manager_->GetQuicServerInfo(
                                    mail_quic_server_id));
 }
 
 TEST_P(HttpServerPropertiesManagerTest, Clear) {
   // This task expect to run the QuitWhenIdleClosure in the current thread,
   // thus can not mock the pref task runner.
   SetUpWithNonTaskRunner();
 
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
   ExpectScheduleUpdatePrefsOnNetworkThreadRepeatedly();
 
   url::SchemeHostPort spdy_server("https", "mail.google.com", 443);
   http_server_props_manager_->SetSupportsSpdy(spdy_server, true);
   AlternativeService alternative_service(kProtoHTTP2, "mail.google.com", 1234);
   http_server_props_manager_->SetAlternativeService(
       spdy_server, alternative_service, one_day_from_now_);
   IPAddress actual_address(127, 0, 0, 1);
   http_server_props_manager_->SetSupportsQuic(true, actual_address);
   ServerNetworkStats stats;
@@ skipping 17 matching lines @@
   EXPECT_TRUE(http_server_props_manager_->GetSupportsQuic(&address));
   EXPECT_EQ(actual_address, address);
   const ServerNetworkStats* stats1 =
       http_server_props_manager_->GetServerNetworkStats(spdy_server);
   EXPECT_EQ(10, stats1->srtt.ToInternalValue());
   EXPECT_EQ(quic_server_info1, *http_server_props_manager_->GetQuicServerInfo(
                                    mail_quic_server_id));
 
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
 
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
 
   // Clear http server data, time out if we do not get a completion callback.
   http_server_props_manager_->Clear(base::MessageLoop::QuitWhenIdleClosure());
 
   base::RunLoop().Run();
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
 
   EXPECT_FALSE(
       http_server_props_manager_->SupportsRequestPriority(spdy_server));
   EXPECT_FALSE(HasAlternativeService(spdy_server));
@@ skipping 147 matching lines @@
   QuicServerId mail_quic_server_id("mail.google.com", 80);
   std::string quic_server_info1("quic_server_info1");
   http_server_props_manager_->SetQuicServerInfo(mail_quic_server_id,
                                                 quic_server_info1);
 
   // Set SupportsQuic.
   IPAddress actual_address(127, 0, 0, 1);
   http_server_props_manager_->SetSupportsQuic(true, actual_address);
 
   // Update cache.
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
   ExpectCacheUpdate();
   http_server_props_manager_->ScheduleUpdateCacheOnPrefThread();
 
   EXPECT_TRUE(net_test_task_runner_->HasPendingTask());
   EXPECT_TRUE(pref_test_task_runner_->HasPendingTask());
   net_test_task_runner_->FastForwardUntilNoTasksRemain();
   pref_test_task_runner_->FastForwardUntilNoTasksRemain();
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
 
@@ skipping 116 matching lines @@
   const AlternativeService valid_alternative_service(kProtoHTTP2,
                                                      "valid.example.com", 443);
   alternative_service_info_vector.push_back(
       AlternativeServiceInfo(valid_alternative_service, time_one_day_later));
 
   const url::SchemeHostPort server("https", "www.example.com", 443);
   http_server_props_manager_->SetAlternativeServices(
       server, alternative_service_info_vector);
 
   // Update cache.
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
   ExpectCacheUpdate();
   http_server_props_manager_->ScheduleUpdateCacheOnPrefThread();
 
   EXPECT_TRUE(net_test_task_runner_->HasPendingTask());
   EXPECT_TRUE(pref_test_task_runner_->HasPendingTask());
   net_test_task_runner_->FastForwardUntilNoTasksRemain();
   pref_test_task_runner_->FastForwardUntilNoTasksRemain();
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
 
@@ skipping 125 matching lines @@
   http_server_props_manager_.reset();
   // Run the task after shutdown and deletion.
   EXPECT_TRUE(net_test_task_runner_->HasPendingTask());
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
   net_test_task_runner_->FastForwardUntilNoTasksRemain();
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
 }
 
 TEST_P(HttpServerPropertiesManagerTest, ShutdownWithPendingUpdatePrefs1) {
-  ExpectPrefsUpdate();
+  ExpectPrefsUpdate(1);
   // Post an update task.
   http_server_props_manager_->ScheduleUpdatePrefsOnNetworkThread();
   // Shutdown comes before the task is executed.
   http_server_props_manager_->ShutdownOnPrefThread();
   // Run the task after shutdown, but before deletion.
   EXPECT_TRUE(net_test_task_runner_->HasPendingTask());
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
   net_test_task_runner_->FastForwardUntilNoTasksRemain();
   EXPECT_TRUE(pref_test_task_runner_->HasPendingTask());
   pref_test_task_runner_->FastForwardUntilNoTasksRemain();
@@ skipping 18 matching lines @@
   pref_test_task_runner_->FastForwardUntilNoTasksRemain();
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
   http_server_props_manager_.reset();
   EXPECT_FALSE(net_test_task_runner_->HasPendingTask());
   EXPECT_FALSE(pref_test_task_runner_->HasPendingTask());
 }
 
 }  // namespace net