// 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/files/file_path.h"
#include "base/files/file_util.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_registry.h"

namespace extensions {

IN_PROC_BROWSER_TEST_F(ExtensionApiTest, Events) {
  ASSERT_TRUE(RunExtensionTest("events")) << message_;
}

// Tests that events are unregistered when an extension page shuts down.
IN_PROC_BROWSER_TEST_F(ExtensionApiTest, EventsAreUnregistered) {
  // In this test, page1.html registers for a number of events, then navigates
  // to page2.html, which should unregister those events. page2.html notifies
  // pass, by which point the event should have been unregistered.
  //
  // This test relies on the extension installed with RunExtensionSubtest
  // actually being installed, which won't happen if subtests are skipped (see
  // comment on ExtensionApiTest::ExtensionSubtestsAreSkipped)
  if (ExtensionSubtestsAreSkipped())
    return;

  EventRouter* event_router = EventRouter::Get(profile());
  ExtensionRegistry* registry = ExtensionRegistry::Get(profile());

  std::string test_extension_name = "events_are_unregistered";
  ASSERT_TRUE(RunExtensionSubtest(test_extension_name, "page1.html"))
      << message_;

  // Find the extension we just installed by looking for the path.
  base::FilePath extension_path =
      test_data_dir_.AppendASCII(test_extension_name);
  const Extension* extension =
      GetExtensionByPath(registry->enabled_extensions(), extension_path);
  ASSERT_TRUE(extension) << "No extension found at \"" << extension_path.value()
                         << "\" (absolute path \""
                         << base::MakeAbsoluteFilePath(extension_path).value()
                         << "\")";
  const std::string& id = extension->id();

  // The page has closed, so no matter what all events are no longer listened
  // to. Assertions for normal events:
  EXPECT_FALSE(
      event_router->ExtensionHasEventListener(id, "browserAction.onClicked"));
  EXPECT_FALSE(
      event_router->ExtensionHasEventListener(id, "runtime.onStartup"));
  EXPECT_FALSE(
      event_router->ExtensionHasEventListener(id, "runtime.onSuspend"));
  EXPECT_FALSE(
      event_router->ExtensionHasEventListener(id, "runtime.onInstalled"));
  // Assertions for filtered events:
  EXPECT_FALSE(event_router->ExtensionHasEventListener(
      id, "webNavigation.onBeforeNavigate"));
  EXPECT_FALSE(
      event_router->ExtensionHasEventListener(id, "webNavigation.onCommitted"));
  EXPECT_FALSE(event_router->ExtensionHasEventListener(
      id, "webNavigation.onDOMContentLoaded"));
  EXPECT_FALSE(
      event_router->ExtensionHasEventListener(id, "webNavigation.onCompleted"));
}

}  // namespace extensions