1// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/prefs/pref_set_observer.h"
6#include "chrome/common/pref_names.h"
7#include "chrome/test/testing_pref_service.h"
8#include "content/common/notification_details.h"
9#include "content/common/notification_observer_mock.h"
10#include "content/common/notification_source.h"
11#include "testing/gmock/include/gmock/gmock.h"
12#include "testing/gtest/include/gtest/gtest.h"
13
14// Unit tests for PrefSetObserver.
15class PrefSetObserverTest : public testing::Test {
16 public:
17  virtual void SetUp() {
18    pref_service_.reset(new TestingPrefService);
19    pref_service_->RegisterStringPref(prefs::kHomePage, "http://google.com");
20    pref_service_->RegisterBooleanPref(prefs::kHomePageIsNewTabPage, false);
21    pref_service_->RegisterStringPref(prefs::kApplicationLocale, "");
22  }
23
24  PrefSetObserver* CreatePrefSetObserver(NotificationObserver* observer) {
25    PrefSetObserver* pref_set =
26        new PrefSetObserver(pref_service_.get(), observer);
27    pref_set->AddPref(prefs::kHomePage);
28    pref_set->AddPref(prefs::kHomePageIsNewTabPage);
29    return pref_set;
30  }
31
32  scoped_ptr<TestingPrefService> pref_service_;
33};
34
35TEST_F(PrefSetObserverTest, IsObserved) {
36  scoped_ptr<PrefSetObserver> pref_set(CreatePrefSetObserver(NULL));
37  EXPECT_TRUE(pref_set->IsObserved(prefs::kHomePage));
38  EXPECT_TRUE(pref_set->IsObserved(prefs::kHomePageIsNewTabPage));
39  EXPECT_FALSE(pref_set->IsObserved(prefs::kApplicationLocale));
40}
41
42TEST_F(PrefSetObserverTest, IsManaged) {
43  scoped_ptr<PrefSetObserver> pref_set(CreatePrefSetObserver(NULL));
44  EXPECT_FALSE(pref_set->IsManaged());
45  pref_service_->SetManagedPref(prefs::kHomePage,
46                                Value::CreateStringValue("http://crbug.com"));
47  EXPECT_TRUE(pref_set->IsManaged());
48  pref_service_->SetManagedPref(prefs::kHomePageIsNewTabPage,
49                                Value::CreateBooleanValue(true));
50  EXPECT_TRUE(pref_set->IsManaged());
51  pref_service_->RemoveManagedPref(prefs::kHomePage);
52  EXPECT_TRUE(pref_set->IsManaged());
53  pref_service_->RemoveManagedPref(prefs::kHomePageIsNewTabPage);
54  EXPECT_FALSE(pref_set->IsManaged());
55}
56
57MATCHER_P(PrefNameDetails, name, "details references named preference") {
58  std::string* pstr = reinterpret_cast<const Details<std::string>&>(arg).ptr();
59  return pstr && *pstr == name;
60}
61
62TEST_F(PrefSetObserverTest, Observe) {
63  using testing::_;
64  using testing::Mock;
65
66  NotificationObserverMock observer;
67  scoped_ptr<PrefSetObserver> pref_set(CreatePrefSetObserver(&observer));
68
69  EXPECT_CALL(observer,
70              Observe(NotificationType(NotificationType::PREF_CHANGED),
71                      Source<PrefService>(pref_service_.get()),
72                      PrefNameDetails(prefs::kHomePage)));
73  pref_service_->SetUserPref(prefs::kHomePage,
74                             Value::CreateStringValue("http://crbug.com"));
75  Mock::VerifyAndClearExpectations(&observer);
76
77  EXPECT_CALL(observer,
78              Observe(NotificationType(NotificationType::PREF_CHANGED),
79                      Source<PrefService>(pref_service_.get()),
80                      PrefNameDetails(prefs::kHomePageIsNewTabPage)));
81  pref_service_->SetUserPref(prefs::kHomePageIsNewTabPage,
82                             Value::CreateBooleanValue(true));
83  Mock::VerifyAndClearExpectations(&observer);
84
85  EXPECT_CALL(observer, Observe(_, _, _)).Times(0);
86  pref_service_->SetUserPref(prefs::kApplicationLocale,
87                             Value::CreateStringValue("en_US.utf8"));
88  Mock::VerifyAndClearExpectations(&observer);
89}
90