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// 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/message_loop.h"
#include "base/ref_counted.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/browser_thread.h"
#include "chrome/browser/host_zoom_map.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/common/notification_details.h"
#include "chrome/common/notification_observer_mock.h"
#include "chrome/common/notification_registrar.h"
#include "chrome/common/notification_source.h"
#include "chrome/common/notification_type.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/testing_profile.h"
#include "googleurl/src/gurl.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::_;
using testing::Pointee;
using testing::Property;
class HostZoomMapTest : public testing::Test {
public:
static const double kZoomLevel;
static const double kDefaultZoomLevel;
HostZoomMapTest()
: ui_thread_(BrowserThread::UI, &message_loop_),
prefs_(profile_.GetPrefs()),
per_host_zoom_levels_pref_(prefs::kPerHostZoomLevels),
url_("http://example.com/test"),
host_("example.com") {}
protected:
void SetPrefObserverExpectation() {
EXPECT_CALL(
pref_observer_,
Observe(NotificationType(NotificationType::PREF_CHANGED),
_,
Property(&Details<std::string>::ptr,
Pointee(per_host_zoom_levels_pref_))));
}
MessageLoopForUI message_loop_;
BrowserThread ui_thread_;
TestingProfile profile_;
PrefService* prefs_;
std::string per_host_zoom_levels_pref_; // For the observe matcher.
GURL url_;
std::string host_;
NotificationObserverMock pref_observer_;
};
const double HostZoomMapTest::kZoomLevel = 4;
const double HostZoomMapTest::kDefaultZoomLevel = -2;
TEST_F(HostZoomMapTest, LoadNoPrefs) {
scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
EXPECT_EQ(0, map->GetZoomLevel(url_));
}
TEST_F(HostZoomMapTest, Load) {
DictionaryValue* dict =
prefs_->GetMutableDictionary(prefs::kPerHostZoomLevels);
dict->SetWithoutPathExpansion(host_, Value::CreateRealValue(kZoomLevel));
scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
EXPECT_EQ(kZoomLevel, map->GetZoomLevel(url_));
}
TEST_F(HostZoomMapTest, SetZoomLevel) {
scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
PrefChangeRegistrar registrar;
registrar.Init(prefs_);
registrar.Add(prefs::kPerHostZoomLevels, &pref_observer_);
SetPrefObserverExpectation();
map->SetZoomLevel(url_, kZoomLevel);
EXPECT_EQ(kZoomLevel, map->GetZoomLevel(url_));
const DictionaryValue* dict =
prefs_->GetDictionary(prefs::kPerHostZoomLevels);
double zoom_level = 0;
EXPECT_TRUE(dict->GetRealWithoutPathExpansion(host_, &zoom_level));
EXPECT_EQ(kZoomLevel, zoom_level);
SetPrefObserverExpectation();
map->SetZoomLevel(url_, 0);
EXPECT_EQ(0, map->GetZoomLevel(url_));
EXPECT_FALSE(dict->HasKey(host_));
}
TEST_F(HostZoomMapTest, ResetToDefaults) {
scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
map->SetZoomLevel(url_, kZoomLevel);
PrefChangeRegistrar registrar;
registrar.Init(prefs_);
registrar.Add(prefs::kPerHostZoomLevels, &pref_observer_);
SetPrefObserverExpectation();
map->ResetToDefaults();
EXPECT_EQ(0, map->GetZoomLevel(url_));
EXPECT_EQ(NULL, prefs_->GetDictionary(prefs::kPerHostZoomLevels));
}
TEST_F(HostZoomMapTest, ReloadOnPrefChange) {
scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
map->SetZoomLevel(url_, kZoomLevel);
DictionaryValue dict;
dict.SetWithoutPathExpansion(host_, Value::CreateRealValue(0));
prefs_->Set(prefs::kPerHostZoomLevels, dict);
EXPECT_EQ(0, map->GetZoomLevel(url_));
}
TEST_F(HostZoomMapTest, NoHost) {
scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
GURL file_url1_("file:///tmp/test.html");
GURL file_url2_("file:///tmp/other.html");
map->SetZoomLevel(file_url1_, kZoomLevel);
EXPECT_EQ(kZoomLevel, map->GetZoomLevel(file_url1_));
EXPECT_EQ(0, map->GetZoomLevel(file_url2_));
}
TEST_F(HostZoomMapTest, ChangeDefaultZoomLevel) {
FundamentalValue zoom_level(kDefaultZoomLevel);
prefs_->Set(prefs::kDefaultZoomLevel, zoom_level);
scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
EXPECT_EQ(kDefaultZoomLevel, map->GetZoomLevel(url_));
}
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