1// Copyright (c) 2011 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/policy/asynchronous_policy_loader.h"
6#include "chrome/browser/policy/asynchronous_policy_provider.h"
7#include "chrome/browser/policy/asynchronous_policy_test_base.h"
8#include "chrome/browser/policy/mock_configuration_policy_provider.h"
9#include "chrome/browser/policy/mock_configuration_policy_store.h"
10#include "testing/gmock/include/gmock/gmock.h"
11
12using ::testing::_;
13using ::testing::InSequence;
14using ::testing::Return;
15
16namespace policy {
17
18class MockConfigurationPolicyObserver
19    : public ConfigurationPolicyProvider::Observer {
20 public:
21  MOCK_METHOD0(OnUpdatePolicy, void());
22  void OnProviderGoingAway() {}
23};
24
25class AsynchronousPolicyLoaderTest : public AsynchronousPolicyTestBase {
26 public:
27  AsynchronousPolicyLoaderTest() {}
28  virtual ~AsynchronousPolicyLoaderTest() {}
29
30  virtual void SetUp() {
31    AsynchronousPolicyTestBase::SetUp();
32    mock_provider_.reset(new MockConfigurationPolicyProvider());
33  }
34
35 protected:
36  scoped_ptr<MockConfigurationPolicyProvider> mock_provider_;
37
38 private:
39  DISALLOW_COPY_AND_ASSIGN(AsynchronousPolicyLoaderTest);
40};
41
42ACTION(CreateTestDictionary) {
43  return new DictionaryValue();
44}
45
46ACTION_P(CreateSequencedTestDictionary, number) {
47  DictionaryValue* test_dictionary = new DictionaryValue();
48  test_dictionary->SetInteger("id", ++(*number));
49  return test_dictionary;
50}
51
52ACTION(RescheduleImmediatePolicyReload) {
53  *arg1 = base::TimeDelta();
54  return false;
55}
56
57TEST_F(AsynchronousPolicyLoaderTest, InitialLoad) {
58  DictionaryValue* template_dict(new DictionaryValue());
59  EXPECT_CALL(*delegate_, Load()).WillOnce(Return(template_dict));
60  scoped_refptr<AsynchronousPolicyLoader> loader =
61      new AsynchronousPolicyLoader(delegate_.release(), 10);
62  loader->Init();
63  const DictionaryValue* loaded_dict(loader->policy());
64  EXPECT_TRUE(loaded_dict->Equals(template_dict));
65}
66
67// Verify that the fallback policy requests are made.
68TEST_F(AsynchronousPolicyLoaderTest, InitialLoadWithFallback) {
69  int dictionary_number = 0;
70  InSequence s;
71  EXPECT_CALL(*delegate_, Load()).WillOnce(
72      CreateSequencedTestDictionary(&dictionary_number));
73  EXPECT_CALL(*delegate_, Load()).WillOnce(
74      CreateSequencedTestDictionary(&dictionary_number));
75  scoped_refptr<AsynchronousPolicyLoader> loader =
76      new AsynchronousPolicyLoader(delegate_.release(), 10);
77  loader->Init();
78  loop_.RunAllPending();
79  loader->Reload();
80  loop_.RunAllPending();
81
82  const DictionaryValue* loaded_dict(loader->policy());
83  int loaded_number;
84  EXPECT_TRUE(loaded_dict->GetInteger("id", &loaded_number));
85  EXPECT_EQ(dictionary_number, loaded_number);
86}
87
88// Ensure that calling stop on the loader stops subsequent reloads from
89// happening.
90TEST_F(AsynchronousPolicyLoaderTest, Stop) {
91  ON_CALL(*delegate_, Load()).WillByDefault(CreateTestDictionary());
92  EXPECT_CALL(*delegate_, Load()).Times(1);
93  scoped_refptr<AsynchronousPolicyLoader> loader =
94      new AsynchronousPolicyLoader(delegate_.release(), 10);
95  loader->Init();
96  loop_.RunAllPending();
97  loader->Stop();
98  loop_.RunAllPending();
99  loader->Reload();
100  loop_.RunAllPending();
101}
102
103// Verifies that the provider is notified upon policy reload, but only
104// if the policy changed.
105TEST_F(AsynchronousPolicyLoaderTest, ProviderNotificationOnPolicyChange) {
106  InSequence s;
107  MockConfigurationPolicyObserver observer;
108  int dictionary_number_1 = 0;
109  int dictionary_number_2 = 0;
110  EXPECT_CALL(*delegate_, Load()).WillOnce(
111      CreateSequencedTestDictionary(&dictionary_number_1));
112  EXPECT_CALL(*delegate_, Load()).WillOnce(
113      CreateSequencedTestDictionary(&dictionary_number_2));
114  EXPECT_CALL(observer, OnUpdatePolicy()).Times(0);
115  EXPECT_CALL(*delegate_, Load()).WillOnce(
116      CreateSequencedTestDictionary(&dictionary_number_2));
117  EXPECT_CALL(observer, OnUpdatePolicy()).Times(1);
118  EXPECT_CALL(*delegate_, Load()).WillOnce(
119      CreateSequencedTestDictionary(&dictionary_number_1));
120  scoped_refptr<AsynchronousPolicyLoader> loader =
121      new AsynchronousPolicyLoader(delegate_.release(), 10);
122  AsynchronousPolicyProvider provider(NULL, loader);
123  // |registrar| must be declared last so that it is destroyed first.
124  ConfigurationPolicyObserverRegistrar registrar;
125  registrar.Init(&provider, &observer);
126  loop_.RunAllPending();
127  loader->Reload();
128  loop_.RunAllPending();
129  loader->Reload();
130  loop_.RunAllPending();
131  loader->Reload();
132  loop_.RunAllPending();
133}
134
135}  // namespace policy
136