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// Copyright (c) 2011 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/extensions/extension_content_settings_store.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/content_settings/content_settings_rule.h"
#include "chrome/browser/content_settings/content_settings_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::Mock;
namespace {
void CheckRule(const content_settings::Rule& rule,
const ContentSettingsPattern& primary_pattern,
const ContentSettingsPattern& secondary_pattern,
ContentSetting setting) {
EXPECT_EQ(primary_pattern.ToString(), rule.primary_pattern.ToString());
EXPECT_EQ(secondary_pattern.ToString(), rule.secondary_pattern.ToString());
EXPECT_EQ(setting, content_settings::ValueToContentSetting(rule.value.get()));
}
// Helper class which returns monotonically-increasing base::Time objects.
class FakeTimer {
public:
FakeTimer() : internal_(0) {}
base::Time GetNext() {
return base::Time::FromInternalValue(++internal_);
}
private:
int64 internal_;
};
class MockExtensionContentSettingsStoreObserver
: public ExtensionContentSettingsStore::Observer {
public:
MOCK_METHOD2(OnContentSettingChanged,
void(const std::string& extension_id, bool incognito));
};
ContentSetting GetContentSettingFromStore(
const ExtensionContentSettingsStore* store,
const GURL& primary_url, const GURL& secondary_url,
ContentSettingsType content_type,
const std::string& resource_identifier,
bool incognito) {
scoped_ptr<content_settings::RuleIterator> rule_iterator (
store->GetRuleIterator(content_type, resource_identifier, incognito));
scoped_ptr<base::Value> setting(
content_settings::GetContentSettingValueAndPatterns(
rule_iterator.get(), primary_url, secondary_url, NULL, NULL));
return content_settings::ValueToContentSetting(setting.get());
}
void GetSettingsForOneTypeFromStore(
const ExtensionContentSettingsStore* store,
ContentSettingsType content_type,
const std::string& resource_identifier,
bool incognito,
std::vector<content_settings::Rule>* rules) {
rules->clear();
scoped_ptr<content_settings::RuleIterator> rule_iterator(
store->GetRuleIterator(content_type, resource_identifier, incognito));
while (rule_iterator->HasNext())
rules->push_back(rule_iterator->Next());
}
} // namespace
class ExtensionContentSettingsStoreTest : public ::testing::Test {
public:
ExtensionContentSettingsStoreTest() :
store_(new ExtensionContentSettingsStore()) {
}
protected:
void RegisterExtension(const std::string& ext_id) {
store_->RegisterExtension(ext_id, timer_.GetNext(), true);
}
ExtensionContentSettingsStore* store() {
return store_.get();
}
private:
FakeTimer timer_;
scoped_refptr<ExtensionContentSettingsStore> store_;
};
TEST_F(ExtensionContentSettingsStoreTest, RegisterUnregister) {
::testing::StrictMock<MockExtensionContentSettingsStoreObserver> observer;
store()->AddObserver(&observer);
GURL url("http://www.youtube.com");
EXPECT_EQ(CONTENT_SETTING_DEFAULT,
GetContentSettingFromStore(
store(), url, url, CONTENT_SETTINGS_TYPE_COOKIES, "", false));
// Register first extension
std::string ext_id("my_extension");
RegisterExtension(ext_id);
EXPECT_EQ(CONTENT_SETTING_DEFAULT,
GetContentSettingFromStore(
store(), url, url, CONTENT_SETTINGS_TYPE_COOKIES, "", false));
// Set setting
ContentSettingsPattern pattern =
ContentSettingsPattern::FromURL(GURL("http://www.youtube.com"));
EXPECT_CALL(observer, OnContentSettingChanged(ext_id, false));
store()->SetExtensionContentSetting(
ext_id,
pattern,
pattern,
CONTENT_SETTINGS_TYPE_COOKIES,
"",
CONTENT_SETTING_ALLOW,
kExtensionPrefsScopeRegular);
Mock::VerifyAndClear(&observer);
EXPECT_EQ(CONTENT_SETTING_ALLOW,
GetContentSettingFromStore(
store(),
url,
url,
CONTENT_SETTINGS_TYPE_COOKIES,
"",
false));
// Register second extension.
std::string ext_id_2("my_second_extension");
RegisterExtension(ext_id_2);
EXPECT_CALL(observer, OnContentSettingChanged(ext_id_2, false));
store()->SetExtensionContentSetting(
ext_id_2,
pattern,
pattern,
CONTENT_SETTINGS_TYPE_COOKIES,
"",
CONTENT_SETTING_BLOCK,
kExtensionPrefsScopeRegular);
EXPECT_EQ(CONTENT_SETTING_BLOCK,
GetContentSettingFromStore(
store(),
url,
url,
CONTENT_SETTINGS_TYPE_COOKIES,
"",
false));
// Unregister first extension. This shouldn't change the setting.
EXPECT_CALL(observer, OnContentSettingChanged(ext_id, false));
store()->UnregisterExtension(ext_id);
EXPECT_EQ(CONTENT_SETTING_BLOCK,
GetContentSettingFromStore(
store(),
url,
url,
CONTENT_SETTINGS_TYPE_COOKIES,
"",
false));
Mock::VerifyAndClear(&observer);
// Unregister second extension. This should reset the setting to its default
// value.
EXPECT_CALL(observer, OnContentSettingChanged(ext_id_2, false));
store()->UnregisterExtension(ext_id_2);
EXPECT_EQ(CONTENT_SETTING_DEFAULT,
GetContentSettingFromStore(
store(),
url,
url,
CONTENT_SETTINGS_TYPE_COOKIES,
"",
false));
store()->RemoveObserver(&observer);
}
TEST_F(ExtensionContentSettingsStoreTest, GetAllSettings) {
bool incognito = false;
std::vector<content_settings::Rule> rules;
GetSettingsForOneTypeFromStore(
store(), CONTENT_SETTINGS_TYPE_COOKIES, "", incognito, &rules);
ASSERT_EQ(0u, rules.size());
// Register first extension.
std::string ext_id("my_extension");
RegisterExtension(ext_id);
ContentSettingsPattern pattern =
ContentSettingsPattern::FromURL(GURL("http://www.youtube.com"));
store()->SetExtensionContentSetting(
ext_id,
pattern,
pattern,
CONTENT_SETTINGS_TYPE_COOKIES,
"",
CONTENT_SETTING_ALLOW,
kExtensionPrefsScopeRegular);
GetSettingsForOneTypeFromStore(
store(), CONTENT_SETTINGS_TYPE_COOKIES, "", incognito, &rules);
ASSERT_EQ(1u, rules.size());
CheckRule(rules[0], pattern, pattern, CONTENT_SETTING_ALLOW);
// Register second extension.
std::string ext_id_2("my_second_extension");
RegisterExtension(ext_id_2);
ContentSettingsPattern pattern_2 =
ContentSettingsPattern::FromURL(GURL("http://www.example.com"));
store()->SetExtensionContentSetting(
ext_id_2,
pattern_2,
pattern_2,
CONTENT_SETTINGS_TYPE_COOKIES,
"",
CONTENT_SETTING_BLOCK,
kExtensionPrefsScopeRegular);
GetSettingsForOneTypeFromStore(store(),
CONTENT_SETTINGS_TYPE_COOKIES,
"",
incognito,
&rules);
ASSERT_EQ(2u, rules.size());
// Rules appear in the reverse installation order of the extensions.
CheckRule(rules[0], pattern_2, pattern_2, CONTENT_SETTING_BLOCK);
CheckRule(rules[1], pattern, pattern, CONTENT_SETTING_ALLOW);
// Disable first extension.
store()->SetExtensionState(ext_id, false);
GetSettingsForOneTypeFromStore(
store(), CONTENT_SETTINGS_TYPE_COOKIES, "", incognito, &rules);
ASSERT_EQ(1u, rules.size());
CheckRule(rules[0], pattern_2, pattern_2, CONTENT_SETTING_BLOCK);
// Uninstall second extension.
store()->UnregisterExtension(ext_id_2);
GetSettingsForOneTypeFromStore(
store(), CONTENT_SETTINGS_TYPE_COOKIES, "", incognito, &rules);
ASSERT_EQ(0u, rules.size());
}
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