Implement coarse "on demand" functionality for update checks.

chrome/browser/component_updater/test/component_updater_service_unittest.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 <list>
 #include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 701 matching lines @@
   message_loop.Run();
 
   ASSERT_EQ(2ul, notification_tracker().size());
   ev0 = notification_tracker().at(0);
   EXPECT_EQ(chrome::NOTIFICATION_COMPONENT_UPDATER_STARTED, ev0.type);
   ev1 = notification_tracker().at(1);
   EXPECT_EQ(chrome::NOTIFICATION_COMPONENT_UPDATER_SLEEPING, ev1.type);
   component_updater()->Stop();
 }
 
+// Like the above test, but sending an on-demand ping.
+TEST_F(ComponentUpdaterTest, CheckForUpdateSoonOnDemand) {
+  base::MessageLoop message_loop;
+  content::TestBrowserThread ui_thread(BrowserThread::UI, &message_loop);
+  content::TestBrowserThread file_thread(BrowserThread::FILE);
+  content::TestBrowserThread io_thread(BrowserThread::IO);
+
+  io_thread.StartIOThread();
+  file_thread.Start();
+
+  content::URLLocalHostRequestPrepackagedInterceptor interceptor;
+
+  TestInstaller installer1;
+  CrxComponent com1;
+  RegisterComponent(&com1, kTestComponent_abag, Version("2.2"), &installer1);
+  TestInstaller installer2;
+  CrxComponent com2;
+  RegisterComponent(&com2, kTestComponent_jebg, Version("0.0"), &installer2);
+
+  const GURL expected_update_url_1(
+      "http://localhost/upd?extra=foo"
+      "&x=id%3Dabagagagagagagagagagagagagagagag%26v%3D2.2%26fp%3D%26uc"
+      "&x=id%3Djebgalgnebhfojomionfpkfelancnnkf%26v%3D0.0%26fp%3D%26uc");
+
+  const GURL expected_update_url_2(
+      "http://localhost/upd?extra=foo"
+      "&x=id%3Djebgalgnebhfojomionfpkfelancnnkf%26v%3D0.0%26fp%3D%26uc"
+      "%26installsource%3Dondemand"
+      "&x=id%3Dabagagagagagagagagagagagagagagag%26v%3D2.2%26fp%3D%26uc");
+
+  interceptor.SetResponse(expected_update_url_1,
+                          test_file("updatecheck_reply_empty"));
+  interceptor.SetResponse(expected_update_url_2,
+                          test_file("updatecheck_reply_1.xml"));
+  interceptor.SetResponse(GURL(expected_crx_url),
+                          test_file("jebgalgnebhfojomionfpkfelancnnkf.crx"));
+  // Test success.
+  test_configurator()->SetLoopCount(2);
+  test_configurator()->AddComponentToCheck(&com2, 1);
+  component_updater()->Start();
+  message_loop.Run();
+
+  EXPECT_EQ(0, static_cast<TestInstaller*>(com1.installer)->error());
+  EXPECT_EQ(0, static_cast<TestInstaller*>(com1.installer)->install_count());
+  EXPECT_EQ(0, static_cast<TestInstaller*>(com2.installer)->error());
+  EXPECT_EQ(1, static_cast<TestInstaller*>(com2.installer)->install_count());
+
+  EXPECT_EQ(3, interceptor.GetHitCount());
+
+  ASSERT_EQ(5ul, notification_tracker().size());
+
+  TestNotificationTracker::Event ev0= notification_tracker().at(0);
+  EXPECT_EQ(chrome::NOTIFICATION_COMPONENT_UPDATER_STARTED, ev0.type);
+
+  TestNotificationTracker::Event ev1 = notification_tracker().at(1);
+  EXPECT_EQ(chrome::NOTIFICATION_COMPONENT_UPDATER_SLEEPING, ev1.type);
+
+  TestNotificationTracker::Event ev2 = notification_tracker().at(2);
+  EXPECT_EQ(chrome::NOTIFICATION_COMPONENT_UPDATE_FOUND, ev2.type);
+
+  TestNotificationTracker::Event ev3 = notification_tracker().at(3);
+  EXPECT_EQ(chrome::NOTIFICATION_COMPONENT_UPDATE_READY, ev3.type);
+
+  TestNotificationTracker::Event ev4 = notification_tracker().at(4);
+  EXPECT_EQ(chrome::NOTIFICATION_COMPONENT_UPDATER_SLEEPING, ev4.type);
+
+  // Also check what happens if previous check too soon.
+  test_configurator()->SetOnDemandTime(60 * 60);
+  EXPECT_EQ(ComponentUpdateService::kError,
+            component_updater()->CheckForUpdateSoon(com2));
+  // Okay, now reset to 0 for the other tests.
+  test_configurator()->SetOnDemandTime(0);
+  component_updater()->Stop();
+
+  // Test a few error cases. NOTE: We don't have callbacks for
+  // when the updates failed yet.
+  const GURL expected_update_url_3(
+      "http://localhost/upd?extra=foo"
+      "&x=id%3Djebgalgnebhfojomionfpkfelancnnkf%26v%3D1.0%26fp%3D%26uc"
+      "&x=id%3Dabagagagagagagagagagagagagagagag%26v%3D2.2%26fp%3D%26uc");
+
+  // No update: error from no server response
+  interceptor.SetResponse(expected_update_url_3,
+                          test_file("updatecheck_reply_empty"));
+  notification_tracker().Reset();
+  test_configurator()->SetLoopCount(1);
+  component_updater()->Start();
+  EXPECT_EQ(ComponentUpdateService::kOk,
+            component_updater()->CheckForUpdateSoon(com2));
+
+  message_loop.Run();
+
+  ASSERT_EQ(2ul, notification_tracker().size());
+  ev0 = notification_tracker().at(0);
+  EXPECT_EQ(chrome::NOTIFICATION_COMPONENT_UPDATER_STARTED, ev0.type);
+  ev1 = notification_tracker().at(1);
+  EXPECT_EQ(chrome::NOTIFICATION_COMPONENT_UPDATER_SLEEPING, ev1.type);
+  component_updater()->Stop();
+
+  // No update: already updated to 1.0 so nothing new
+  interceptor.SetResponse(expected_update_url_3,
+                          test_file("updatecheck_reply_1.xml"));
+  notification_tracker().Reset();
+  test_configurator()->SetLoopCount(1);
+  component_updater()->Start();
+  EXPECT_EQ(ComponentUpdateService::kOk,
+            component_updater()->CheckForUpdateSoon(com2));
+
+  message_loop.Run();
+
+  ASSERT_EQ(2ul, notification_tracker().size());
+  ev0 = notification_tracker().at(0);
+  EXPECT_EQ(chrome::NOTIFICATION_COMPONENT_UPDATER_STARTED, ev0.type);
+  ev1 = notification_tracker().at(1);
+  EXPECT_EQ(chrome::NOTIFICATION_COMPONENT_UPDATER_SLEEPING, ev1.type);
+  component_updater()->Stop();
+}
+
 // Verify that a previously registered component can get re-registered
 // with a different version.
 TEST_F(ComponentUpdaterTest, CheckReRegistration) {
   base::MessageLoop message_loop;
   content::TestBrowserThread ui_thread(BrowserThread::UI, &message_loop);
   content::TestBrowserThread file_thread(BrowserThread::FILE);
   content::TestBrowserThread io_thread(BrowserThread::IO);
 
   io_thread.StartIOThread();
   file_thread.Start();
@@ skipping 280 matching lines @@
   component_updater()->Start();
   message_loop.Run();
 
   EXPECT_EQ(0, static_cast<TestInstaller*>(com.installer)->error());
   EXPECT_EQ(2, static_cast<TestInstaller*>(com.installer)->install_count());
 
   EXPECT_EQ(6, interceptor.GetHitCount());
 
   component_updater()->Stop();
 }