1 // 2 // Copyright (C) 2014 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #include "update_engine/update_manager/real_config_provider.h" 18 19 #include <memory> 20 21 #include <base/files/file_util.h> 22 #include <base/files/scoped_temp_dir.h> 23 #include <gtest/gtest.h> 24 25 #include "update_engine/common/constants.h" 26 #include "update_engine/common/fake_hardware.h" 27 #include "update_engine/common/test_utils.h" 28 #include "update_engine/update_manager/umtest_utils.h" 29 30 using base::TimeDelta; 31 using chromeos_update_engine::test_utils::WriteFileString; 32 using std::string; 33 using std::unique_ptr; 34 35 namespace chromeos_update_manager { 36 37 class UmRealConfigProviderTest : public ::testing::Test { 38 protected: 39 void SetUp() override { 40 ASSERT_TRUE(root_dir_.CreateUniqueTempDir()); 41 provider_.reset(new RealConfigProvider(&fake_hardware_)); 42 provider_->SetRootPrefix(root_dir_.path().value()); 43 } 44 45 void WriteStatefulConfig(const string& config) { 46 base::FilePath kFile(root_dir_.path().value() 47 + chromeos_update_engine::kStatefulPartition 48 + "/etc/update_manager.conf"); 49 ASSERT_TRUE(base::CreateDirectory(kFile.DirName())); 50 ASSERT_TRUE(WriteFileString(kFile.value(), config)); 51 } 52 53 void WriteRootfsConfig(const string& config) { 54 base::FilePath kFile(root_dir_.path().value() 55 + "/etc/update_manager.conf"); 56 ASSERT_TRUE(base::CreateDirectory(kFile.DirName())); 57 ASSERT_TRUE(WriteFileString(kFile.value(), config)); 58 } 59 60 unique_ptr<RealConfigProvider> provider_; 61 chromeos_update_engine::FakeHardware fake_hardware_; 62 TimeDelta default_timeout_ = TimeDelta::FromSeconds(1); 63 base::ScopedTempDir root_dir_; 64 }; 65 66 TEST_F(UmRealConfigProviderTest, InitTest) { 67 EXPECT_TRUE(provider_->Init()); 68 EXPECT_NE(nullptr, provider_->var_is_oobe_enabled()); 69 } 70 71 TEST_F(UmRealConfigProviderTest, NoFileFoundReturnsDefault) { 72 EXPECT_TRUE(provider_->Init()); 73 UmTestUtils::ExpectVariableHasValue(true, provider_->var_is_oobe_enabled()); 74 } 75 76 TEST_F(UmRealConfigProviderTest, DontReadStatefulInNormalMode) { 77 fake_hardware_.SetIsNormalBootMode(true); 78 WriteStatefulConfig("is_oobe_enabled=false"); 79 80 EXPECT_TRUE(provider_->Init()); 81 UmTestUtils::ExpectVariableHasValue(true, provider_->var_is_oobe_enabled()); 82 } 83 84 TEST_F(UmRealConfigProviderTest, ReadStatefulInDevMode) { 85 fake_hardware_.SetIsNormalBootMode(false); 86 WriteRootfsConfig("is_oobe_enabled=true"); 87 // Since the stateful is present, this should read that one. 88 WriteStatefulConfig("is_oobe_enabled=false"); 89 90 EXPECT_TRUE(provider_->Init()); 91 UmTestUtils::ExpectVariableHasValue(false, provider_->var_is_oobe_enabled()); 92 } 93 94 TEST_F(UmRealConfigProviderTest, ReadRootfsIfStatefulNotFound) { 95 fake_hardware_.SetIsNormalBootMode(false); 96 WriteRootfsConfig("is_oobe_enabled=false"); 97 98 EXPECT_TRUE(provider_->Init()); 99 UmTestUtils::ExpectVariableHasValue(false, provider_->var_is_oobe_enabled()); 100 } 101 102 } // namespace chromeos_update_manager 103
