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| 1 // Copyright (c) 2012 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/policy_service_impl.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/bind_helpers.h" | |
| 9 #include "base/memory/scoped_ptr.h" | |
| 10 #include "base/message_loop.h" | |
| 11 #include "base/values.h" | |
| 12 #include "chrome/browser/policy/mock_configuration_policy_provider.h" | |
| 13 #include "content/public/browser/browser_thread.h" | |
| 14 #include "content/test/test_browser_thread.h" | |
| 15 #include "testing/gmock/include/gmock/gmock.h" | |
| 16 #include "testing/gtest/include/gtest/gtest.h" | |
| 17 | |
| 18 using ::testing::AnyNumber; | |
| 19 using ::testing::Mock; | |
| 20 using ::testing::Return; | |
| 21 using ::testing::_; | |
| 22 | |
| 23 namespace policy { | |
| 24 | |
| 25 namespace { | |
| 26 | |
| 27 class MockPolicyServiceObserver : public PolicyService::Observer { | |
| 28 public: | |
| 29 virtual ~MockPolicyServiceObserver() {} | |
| 30 MOCK_METHOD4(OnPolicyUpdated, void(PolicyDomain, | |
| 31 const std::string&, | |
| 32 const PolicyMap& previous, | |
| 33 const PolicyMap& current)); | |
| 34 }; | |
| 35 | |
| 36 // Helper to compare the arguments to an EXPECT_CALL of OnPolicyUpdated() with | |
| 37 // their expected values. | |
| 38 MATCHER_P(PolicyEquals, expected, "") { | |
| 39 return arg.Equals(*expected); | |
| 40 } | |
| 41 | |
| 42 // Helper to compare the arguments to an EXPECT_CALL of OnPolicyValueUpdated() | |
| 43 // with their expected values. | |
| 44 MATCHER_P(ValueEquals, expected, "") { | |
| 45 return base::Value::Equals(arg, expected); | |
| 46 } | |
| 47 | |
| 48 } // namespace | |
| 49 | |
| 50 class PolicyServiceTest : public testing::Test { | |
| 51 public: | |
| 52 PolicyServiceTest() {} | |
| 53 | |
| 54 void SetUp() OVERRIDE { | |
| 55 EXPECT_CALL(provider0_, ProvideInternal(_)) | |
| 56 .WillRepeatedly(CopyPolicyMap(&policy0_)); | |
| 57 EXPECT_CALL(provider1_, ProvideInternal(_)) | |
| 58 .WillRepeatedly(CopyPolicyMap(&policy1_)); | |
| 59 EXPECT_CALL(provider2_, ProvideInternal(_)) | |
| 60 .WillRepeatedly(CopyPolicyMap(&policy2_)); | |
| 61 | |
| 62 EXPECT_CALL(provider0_, IsInitializationComplete()) | |
| 63 .WillRepeatedly(Return(true)); | |
| 64 EXPECT_CALL(provider1_, IsInitializationComplete()) | |
| 65 .WillRepeatedly(Return(true)); | |
| 66 EXPECT_CALL(provider2_, IsInitializationComplete()) | |
| 67 .WillRepeatedly(Return(true)); | |
| 68 | |
| 69 policy0_.Set("pre", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 70 base::Value::CreateIntegerValue(13)); | |
| 71 | |
| 72 PolicyServiceImpl::Providers providers; | |
| 73 providers.push_back(&provider0_); | |
| 74 providers.push_back(&provider1_); | |
| 75 providers.push_back(&provider2_); | |
| 76 policy_service_.reset(new PolicyServiceImpl(providers)); | |
| 77 } | |
| 78 | |
| 79 MOCK_METHOD2(OnPolicyValueUpdated, void(const base::Value*, | |
| 80 const base::Value*)); | |
| 81 | |
| 82 MOCK_METHOD0(OnPolicyRefresh, void()); | |
| 83 | |
| 84 // Returns true if the policies for |domain|, |component_id| match |expected|. | |
| 85 bool VerifyPolicies(PolicyDomain domain, | |
| 86 const std::string& component_id, | |
| 87 const PolicyMap& expected) { | |
| 88 const PolicyMap* policies = | |
| 89 policy_service_->GetPolicies(domain, component_id); | |
| 90 return policies && policies->Equals(expected); | |
| 91 } | |
| 92 | |
| 93 protected: | |
| 94 MockConfigurationPolicyProvider provider0_; | |
| 95 MockConfigurationPolicyProvider provider1_; | |
| 96 MockConfigurationPolicyProvider provider2_; | |
| 97 PolicyMap policy0_; | |
| 98 PolicyMap policy1_; | |
| 99 PolicyMap policy2_; | |
| 100 scoped_ptr<PolicyServiceImpl> policy_service_; | |
| 101 | |
| 102 private: | |
| 103 DISALLOW_COPY_AND_ASSIGN(PolicyServiceTest); | |
| 104 }; | |
| 105 | |
| 106 TEST_F(PolicyServiceTest, LoadsPoliciesBeforeProvidersRefresh) { | |
| 107 PolicyMap expected; | |
| 108 expected.Set("pre", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 109 base::Value::CreateIntegerValue(13)); | |
| 110 EXPECT_TRUE(VerifyPolicies(POLICY_DOMAIN_CHROME, "", expected)); | |
| 111 } | |
| 112 | |
| 113 TEST_F(PolicyServiceTest, NotifyObservers) { | |
| 114 MockPolicyServiceObserver observer; | |
| 115 policy_service_->AddObserver(POLICY_DOMAIN_CHROME, "", &observer); | |
| 116 | |
| 117 PolicyMap expectedPrevious; | |
| 118 expectedPrevious.Set("pre", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 119 base::Value::CreateIntegerValue(13)); | |
| 120 | |
| 121 PolicyMap expectedCurrent; | |
| 122 expectedCurrent.CopyFrom(expectedPrevious); | |
| 123 expectedCurrent.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 124 base::Value::CreateIntegerValue(123)); | |
| 125 policy0_.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 126 base::Value::CreateIntegerValue(123)); | |
| 127 EXPECT_CALL(observer, OnPolicyUpdated(POLICY_DOMAIN_CHROME, "", | |
| 128 PolicyEquals(&expectedPrevious), | |
| 129 PolicyEquals(&expectedCurrent))); | |
| 130 provider0_.NotifyPolicyUpdated(); | |
| 131 Mock::VerifyAndClearExpectations(&observer); | |
| 132 | |
| 133 // No changes. | |
| 134 EXPECT_CALL(observer, OnPolicyUpdated(_, _, _, _)).Times(0); | |
| 135 provider0_.NotifyPolicyUpdated(); | |
| 136 Mock::VerifyAndClearExpectations(&observer); | |
| 137 EXPECT_TRUE(VerifyPolicies(POLICY_DOMAIN_CHROME, "", expectedCurrent)); | |
| 138 | |
| 139 // New policy. | |
| 140 expectedPrevious.CopyFrom(expectedCurrent); | |
| 141 expectedCurrent.Set("bbb", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 142 base::Value::CreateIntegerValue(456)); | |
| 143 policy0_.Set("bbb", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 144 base::Value::CreateIntegerValue(456)); | |
| 145 EXPECT_CALL(observer, OnPolicyUpdated(POLICY_DOMAIN_CHROME, "", | |
| 146 PolicyEquals(&expectedPrevious), | |
| 147 PolicyEquals(&expectedCurrent))); | |
| 148 provider0_.NotifyPolicyUpdated(); | |
| 149 Mock::VerifyAndClearExpectations(&observer); | |
| 150 | |
| 151 // Removed policy. | |
| 152 expectedPrevious.CopyFrom(expectedCurrent); | |
| 153 expectedCurrent.Erase("bbb"); | |
| 154 policy0_.Erase("bbb"); | |
| 155 EXPECT_CALL(observer, OnPolicyUpdated(POLICY_DOMAIN_CHROME, "", | |
| 156 PolicyEquals(&expectedPrevious), | |
| 157 PolicyEquals(&expectedCurrent))); | |
| 158 provider0_.NotifyPolicyUpdated(); | |
| 159 Mock::VerifyAndClearExpectations(&observer); | |
| 160 | |
| 161 // Changed policy. | |
| 162 expectedPrevious.CopyFrom(expectedCurrent); | |
| 163 expectedCurrent.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 164 base::Value::CreateIntegerValue(789)); | |
| 165 policy0_.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 166 base::Value::CreateIntegerValue(789)); | |
| 167 | |
| 168 EXPECT_CALL(observer, OnPolicyUpdated(POLICY_DOMAIN_CHROME, "", | |
| 169 PolicyEquals(&expectedPrevious), | |
| 170 PolicyEquals(&expectedCurrent))); | |
| 171 provider0_.NotifyPolicyUpdated(); | |
| 172 Mock::VerifyAndClearExpectations(&observer); | |
| 173 | |
| 174 // No changes again. | |
| 175 EXPECT_CALL(observer, OnPolicyUpdated(_, _, _, _)).Times(0); | |
| 176 provider0_.NotifyPolicyUpdated(); | |
| 177 Mock::VerifyAndClearExpectations(&observer); | |
| 178 EXPECT_TRUE(VerifyPolicies(POLICY_DOMAIN_CHROME, "", expectedCurrent)); | |
| 179 | |
| 180 policy_service_->RemoveObserver(POLICY_DOMAIN_CHROME, "", &observer); | |
| 181 } | |
| 182 | |
| 183 TEST_F(PolicyServiceTest, Priorities) { | |
| 184 PolicyMap expected; | |
| 185 expected.Set("pre", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 186 base::Value::CreateIntegerValue(13)); | |
| 187 expected.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 188 base::Value::CreateIntegerValue(0)); | |
| 189 policy0_.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 190 base::Value::CreateIntegerValue(0)); | |
| 191 policy1_.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 192 base::Value::CreateIntegerValue(1)); | |
| 193 policy2_.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 194 base::Value::CreateIntegerValue(2)); | |
| 195 provider0_.NotifyPolicyUpdated(); | |
| 196 provider1_.NotifyPolicyUpdated(); | |
| 197 provider2_.NotifyPolicyUpdated(); | |
| 198 EXPECT_TRUE(VerifyPolicies(POLICY_DOMAIN_CHROME, "", expected)); | |
| 199 | |
| 200 expected.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 201 base::Value::CreateIntegerValue(1)); | |
| 202 policy0_.Erase("aaa"); | |
| 203 provider0_.NotifyPolicyUpdated(); | |
| 204 EXPECT_TRUE(VerifyPolicies(POLICY_DOMAIN_CHROME, "", expected)); | |
| 205 | |
| 206 expected.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 207 base::Value::CreateIntegerValue(2)); | |
| 208 policy1_.Set("aaa", POLICY_LEVEL_RECOMMENDED, POLICY_SCOPE_USER, | |
| 209 base::Value::CreateIntegerValue(1)); | |
| 210 provider1_.NotifyPolicyUpdated(); | |
| 211 EXPECT_TRUE(VerifyPolicies(POLICY_DOMAIN_CHROME, "", expected)); | |
| 212 } | |
| 213 | |
| 214 TEST_F(PolicyServiceTest, PolicyChangeRegistrar) { | |
| 215 scoped_ptr<PolicyChangeRegistrar> registrar( | |
| 216 new PolicyChangeRegistrar( | |
| 217 policy_service_.get(), POLICY_DOMAIN_CHROME, "")); | |
| 218 | |
| 219 // Starting to observe existing policies doesn't trigger a notification. | |
| 220 EXPECT_CALL(*this, OnPolicyValueUpdated(_, _)).Times(0); | |
| 221 registrar->Observe("pre", base::Bind( | |
| 222 &PolicyServiceTest::OnPolicyValueUpdated, | |
| 223 base::Unretained(this))); | |
| 224 registrar->Observe("aaa", base::Bind( | |
| 225 &PolicyServiceTest::OnPolicyValueUpdated, | |
| 226 base::Unretained(this))); | |
| 227 Mock::VerifyAndClearExpectations(this); | |
| 228 | |
| 229 // Changing it now triggers a notification. | |
| 230 base::FundamentalValue kValue0(0); | |
| 231 EXPECT_CALL(*this, OnPolicyValueUpdated(NULL, ValueEquals(&kValue0))); | |
| 232 policy0_.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 233 kValue0.DeepCopy()); | |
| 234 provider0_.NotifyPolicyUpdated(); | |
| 235 Mock::VerifyAndClearExpectations(this); | |
| 236 | |
| 237 // Changing other values doesn't trigger a notification. | |
| 238 EXPECT_CALL(*this, OnPolicyValueUpdated(_, _)).Times(0); | |
| 239 policy0_.Set("bbb", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 240 kValue0.DeepCopy()); | |
| 241 provider0_.NotifyPolicyUpdated(); | |
| 242 Mock::VerifyAndClearExpectations(this); | |
| 243 | |
| 244 // Modifying the value triggers a notification. | |
| 245 base::FundamentalValue kValue1(1); | |
| 246 EXPECT_CALL(*this, OnPolicyValueUpdated(ValueEquals(&kValue0), | |
| 247 ValueEquals(&kValue1))); | |
| 248 policy0_.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 249 kValue1.DeepCopy()); | |
| 250 provider0_.NotifyPolicyUpdated(); | |
| 251 Mock::VerifyAndClearExpectations(this); | |
| 252 | |
| 253 // Removing the value triggers a notification. | |
| 254 EXPECT_CALL(*this, OnPolicyValueUpdated(ValueEquals(&kValue1), NULL)); | |
| 255 policy0_.Erase("aaa"); | |
| 256 provider0_.NotifyPolicyUpdated(); | |
| 257 Mock::VerifyAndClearExpectations(this); | |
| 258 | |
| 259 // No more notifications after destroying the registrar. | |
| 260 EXPECT_CALL(*this, OnPolicyValueUpdated(_, _)).Times(0); | |
| 261 registrar.reset(); | |
| 262 policy0_.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 263 kValue1.DeepCopy()); | |
| 264 policy0_.Set("pre", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 265 kValue1.DeepCopy()); | |
| 266 provider0_.NotifyPolicyUpdated(); | |
| 267 Mock::VerifyAndClearExpectations(this); | |
| 268 } | |
| 269 | |
| 270 TEST_F(PolicyServiceTest, RefreshPolicies) { | |
| 271 MessageLoop loop; | |
| 272 content::TestBrowserThread ui_thread(content::BrowserThread::UI, &loop); | |
| 273 content::TestBrowserThread file_thread(content::BrowserThread::FILE, &loop); | |
| 274 content::TestBrowserThread io_thread(content::BrowserThread::IO, &loop); | |
| 275 | |
| 276 EXPECT_CALL(provider0_, RefreshPolicies()).Times(AnyNumber()); | |
| 277 EXPECT_CALL(provider1_, RefreshPolicies()).Times(AnyNumber()); | |
| 278 EXPECT_CALL(provider2_, RefreshPolicies()).Times(AnyNumber()); | |
| 279 | |
| 280 EXPECT_CALL(*this, OnPolicyRefresh()).Times(0); | |
| 281 policy_service_->RefreshPolicies(base::Bind( | |
| 282 &PolicyServiceTest::OnPolicyRefresh, | |
| 283 base::Unretained(this))); | |
| 284 loop.RunAllPending(); | |
| 285 Mock::VerifyAndClearExpectations(this); | |
| 286 | |
| 287 EXPECT_CALL(*this, OnPolicyRefresh()).Times(0); | |
| 288 base::FundamentalValue kValue0(0); | |
| 289 policy0_.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 290 kValue0.DeepCopy()); | |
| 291 provider0_.NotifyPolicyUpdated(); | |
| 292 loop.RunAllPending(); | |
| 293 Mock::VerifyAndClearExpectations(this); | |
| 294 | |
| 295 EXPECT_CALL(*this, OnPolicyRefresh()).Times(0); | |
| 296 base::FundamentalValue kValue1(1); | |
| 297 policy1_.Set("aaa", POLICY_LEVEL_RECOMMENDED, POLICY_SCOPE_USER, | |
| 298 kValue1.DeepCopy()); | |
| 299 provider1_.NotifyPolicyUpdated(); | |
| 300 loop.RunAllPending(); | |
| 301 Mock::VerifyAndClearExpectations(this); | |
| 302 | |
| 303 // A provider can refresh more than once after a RefreshPolicies call, but | |
| 304 // OnPolicyRefresh should be triggered only after all providers are | |
| 305 // refreshed. | |
| 306 EXPECT_CALL(*this, OnPolicyRefresh()).Times(0); | |
| 307 policy1_.Set("bbb", POLICY_LEVEL_RECOMMENDED, POLICY_SCOPE_USER, | |
| 308 kValue1.DeepCopy()); | |
| 309 provider1_.NotifyPolicyUpdated(); | |
| 310 loop.RunAllPending(); | |
| 311 Mock::VerifyAndClearExpectations(this); | |
| 312 | |
| 313 // If another RefreshPolicies() call happens while waiting for a previous | |
| 314 // one to complete, then all providers must refresh again. | |
| 315 EXPECT_CALL(*this, OnPolicyRefresh()).Times(0); | |
| 316 policy_service_->RefreshPolicies(base::Bind( | |
| 317 &PolicyServiceTest::OnPolicyRefresh, | |
| 318 base::Unretained(this))); | |
| 319 loop.RunAllPending(); | |
| 320 Mock::VerifyAndClearExpectations(this); | |
| 321 | |
| 322 EXPECT_CALL(*this, OnPolicyRefresh()).Times(0); | |
| 323 policy2_.Set("bbb", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 324 kValue0.DeepCopy()); | |
| 325 provider2_.NotifyPolicyUpdated(); | |
| 326 loop.RunAllPending(); | |
| 327 Mock::VerifyAndClearExpectations(this); | |
| 328 | |
| 329 // Providers 0 and 1 must reload again. | |
| 330 EXPECT_CALL(*this, OnPolicyRefresh()).Times(2); | |
| 331 base::FundamentalValue kValue2(2); | |
| 332 policy0_.Set("aaa", POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER, | |
| 333 kValue2.DeepCopy()); | |
| 334 provider0_.NotifyPolicyUpdated(); | |
| 335 provider1_.NotifyPolicyUpdated(); | |
| 336 loop.RunAllPending(); | |
| 337 Mock::VerifyAndClearExpectations(this); | |
| 338 | |
| 339 const PolicyMap* policies = policy_service_->GetPolicies( | |
| 340 POLICY_DOMAIN_CHROME, ""); | |
| 341 ASSERT_TRUE(policies); | |
| 342 EXPECT_TRUE(base::Value::Equals(&kValue2, policies->GetValue("aaa"))); | |
| 343 EXPECT_TRUE(base::Value::Equals(&kValue0, policies->GetValue("bbb"))); | |
| 344 } | |
| 345 | |
| 346 } // namespace policy | |
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