Implement preference and policy based content settings providers.

chrome/browser/content_settings/policy_content_settings_provider_unittest.cc

+// 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 "chrome/browser/content_settings/policy_content_settings_provider.h"
+
+#include "chrome/browser/content_settings/host_content_settings_map_unittest.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/common/pref_names.h"
+#include "chrome/common/url_constants.h"
+#include "chrome/test/testing_pref_service.h"
+#include "chrome/test/testing_profile.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+
+namespace {
+
+class PolicyContentSettingsProviderTest : public testing::Test {
+ public:
+  PolicyContentSettingsProviderTest()
+      : ui_thread_(BrowserThread::UI, &message_loop_) {
+  }
+
+ protected:
+  MessageLoop message_loop_;
+  BrowserThread ui_thread_;
+};
+
+TEST_F(PolicyContentSettingsProviderTest, DefaultValues) {
+  TestingProfile profile;
+  PolicyContentSettingsProvider provider(&profile);
+  TestingPrefService* prefs = profile.GetTestingPrefService();
+
+  // By default, policies should be off.
+  ASSERT_FALSE(
+      provider.CanProvideDefaultSetting(CONTENT_SETTINGS_TYPE_COOKIES));
+  ASSERT_FALSE(
+      provider.DefaultSettingIsManaged(CONTENT_SETTINGS_TYPE_COOKIES));
+
+  // Set managed-default-content-setting through the coresponding preferences.
+  prefs->SetManagedPref(prefs::kManagedDefaultCookiesSetting,
+                        Value::CreateIntegerValue(CONTENT_SETTING_BLOCK));
+  ASSERT_TRUE(
+      provider.CanProvideDefaultSetting(CONTENT_SETTINGS_TYPE_COOKIES));
+  ASSERT_TRUE(
+      provider.DefaultSettingIsManaged(CONTENT_SETTINGS_TYPE_COOKIES));
+  ASSERT_EQ(CONTENT_SETTING_BLOCK,
+            provider.ProvideDefaultSetting(CONTENT_SETTINGS_TYPE_COOKIES));
+
+  // Remove managed-default-content-settings-preferences.
+  prefs->RemoveManagedPref(prefs::kManagedDefaultCookiesSetting);
+  ASSERT_FALSE(
+      provider.CanProvideDefaultSetting(CONTENT_SETTINGS_TYPE_COOKIES));
+  ASSERT_FALSE(
+      provider.DefaultSettingIsManaged(CONTENT_SETTINGS_TYPE_COOKIES));
+}
+
+// When a default-content-setting is set to a managed setting a
+// CONTENT_SETTINGS_CHANGED notification should be fired. The same should happen
+// if the managed setting is removed.
+TEST_F(PolicyContentSettingsProviderTest, ObserveManagedSettingsChange) {
+  TestingProfile profile;
+  StubSettingsObserver observer;
+  // Make sure the content settings map exists.
+  profile.GetHostContentSettingsMap();
+  TestingPrefService* prefs = profile.GetTestingPrefService();
+
+  // TODO(markusheintz): I think it would be better to send notifications only
+  // for a specific content-settings-type.

[markusheintz_, 2010/12/08 14:03:06]

sure can do, pls remove this TODO and add a bug and assign it to me in order to
track this.

[jochen (gone - plz use gerrit), 2010/12/08 14:54:01]

Done.

+
+  // Set the managed default-content-setting.
+  prefs->SetManagedPref(prefs::kManagedDefaultImagesSetting,
+                        Value::CreateIntegerValue(CONTENT_SETTING_BLOCK));
+  EXPECT_EQ(profile.GetHostContentSettingsMap(), observer.last_notifier);
+  EXPECT_EQ(ContentSettingsPattern(), observer.last_pattern);
+  EXPECT_EQ(CONTENT_SETTINGS_TYPE_DEFAULT, observer.last_type);
+  EXPECT_TRUE(observer.last_update_all);
+  EXPECT_TRUE(observer.last_update_all_types);
+  EXPECT_EQ(1, observer.counter);
+
+  // Remove the managed default-content-setting.
+  prefs->RemoveManagedPref(prefs::kManagedDefaultImagesSetting);
+  EXPECT_EQ(profile.GetHostContentSettingsMap(), observer.last_notifier);
+  EXPECT_EQ(CONTENT_SETTINGS_TYPE_DEFAULT, observer.last_type);
+  EXPECT_EQ(ContentSettingsPattern(), observer.last_pattern);
+  EXPECT_TRUE(observer.last_update_all);
+  EXPECT_TRUE(observer.last_update_all_types);
+  EXPECT_EQ(2, observer.counter);
+}
+
+}  // namespace