Added system notification for update_engine.

chrome/browser/chromeos/update_browsertest.cc

Index: chrome/browser/chromeos/update_browsertest.cc
diff --git a/chrome/browser/chromeos/update_browsertest.cc b/chrome/browser/chromeos/update_browsertest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9dca0bb52d932e181cb781d1808f84e8e1016adc
--- /dev/null
+++ b/chrome/browser/chromeos/update_browsertest.cc
@@ -0,0 +1,121 @@
+// Copyright (c) 2010 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/ref_counted.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/test/automation/dom_element_proxy.h"
+#include "chrome/browser/browser.h"
+#include "chrome/browser/browser_list.h"
+#include "chrome/browser/chromeos/update_observer.h"
+#include "chrome/browser/chromeos/cros/mock_update_library.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/common/url_constants.h"
+#include "chrome/test/in_process_browser_test.h"
+#include "chrome/test/ui_test_utils.h"
+
+using ::testing::AnyNumber;
+using ::testing::InvokeWithoutArgs;
+using ::testing::Return;
+using ::testing::ReturnRef;
+using ::testing::_;
+using ::testing::Invoke;
+using ::testing::Exactly;
+
+namespace {
+
+typedef ObserverList<chromeos::UpdateLibrary::Observer> Observers;
+
+void CallObservers(chromeos::MockUpdateLibrary* lib,
+                   Observers* observers,
+                   const chromeos::UpdateLibrary::Status& x) {
+  EXPECT_CALL(*lib, status())
+    .Times(AnyNumber())
+    .WillRepeatedly((ReturnRef(x)))
+    .RetiresOnSaturation();
+  FOR_EACH_OBSERVER(chromeos::UpdateLibrary::Observer, *observers,
+                    Changed(lib));
+}
+
+void FireSuccessSequence(chromeos::MockUpdateLibrary* lib,
+                         Observers* observer) {
+  chromeos::UpdateLibrary::Status status;
+
+  status.status = chromeos::UPDATE_STATUS_IDLE;
+  CallObservers(lib, observer, status);
+
+  status.status = chromeos::UPDATE_STATUS_CHECKING_FOR_UPDATE;
+  CallObservers(lib, observer, status);
+
+  status.status = chromeos::UPDATE_STATUS_UPDATE_AVAILABLE;
+  CallObservers(lib, observer, status);
+
+  status.status = chromeos::UPDATE_STATUS_DOWNLOADING;
+  status.download_progress = 10;
+  CallObservers(lib, observer, status);
+
+  status.status = chromeos::UPDATE_STATUS_DOWNLOADING;
+  status.download_progress = 50;
+  CallObservers(lib, observer, status);
+
+  status.status = chromeos::UPDATE_STATUS_DOWNLOADING;
+  status.download_progress = 90;
+  CallObservers(lib, observer, status);
+
+  status.status = chromeos::UPDATE_STATUS_VERIFYING;
+  CallObservers(lib, observer, status);
+
+  status.status = chromeos::UPDATE_STATUS_FINALIZING;
+  CallObservers(lib, observer, status);
+
+  status.status = chromeos::UPDATE_STATUS_UPDATED_NEED_REBOOT;
+  CallObservers(lib, observer, status);
+}
+
+void FireFailureSequence(chromeos::MockUpdateLibrary* lib,
+                         Observers* observer) {
+  chromeos::UpdateLibrary::Status status;
+
+  status.status = chromeos::UPDATE_STATUS_IDLE;
+  CallObservers(lib, observer, status);
+
+  status.status = chromeos::UPDATE_STATUS_CHECKING_FOR_UPDATE;
+  CallObservers(lib, observer, status);
+
+  status.status = chromeos::UPDATE_STATUS_UPDATE_AVAILABLE;
+  CallObservers(lib, observer, status);
+
+  status.status = chromeos::UPDATE_STATUS_DOWNLOADING;
+  status.download_progress = 10;
+  CallObservers(lib, observer, status);
+
+  status.status = chromeos::UPDATE_STATUS_ERROR;
+  status.download_progress = 10;
+  CallObservers(lib, observer, status);
+}
+
+class UpdateBrowserTest : public InProcessBrowserTest {
+ public:
+  UpdateBrowserTest() {}
+};
+
+IN_PROC_BROWSER_TEST_F(UpdateBrowserTest, Notifications) {
+  scoped_ptr<chromeos::MockUpdateLibrary> lib(
+      new chromeos::MockUpdateLibrary());
+
+  Observers observers;
+
+  EXPECT_CALL(*lib, AddObserver(_))
+      .WillRepeatedly(Invoke(&observers,
+                             &Observers::AddObserver));
+
+  chromeos::UpdateObserver* observe =
+      new chromeos::UpdateObserver(browser()->profile());
+  lib->AddObserver(observe);
+
+  FireSuccessSequence(lib.get(), &observers);
+  FireFailureSequence(lib.get(), &observers);
+}
+
+}  // namespace
+