1 // 2 // Copyright (C) 2012 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/common/hwid_override.h" 18 19 #include <string> 20 21 #include <base/files/file_path.h> 22 #include <base/files/file_util.h> 23 #include <base/files/scoped_temp_dir.h> 24 #include <gtest/gtest.h> 25 26 namespace chromeos_update_engine { 27 28 class HwidOverrideTest : public ::testing::Test { 29 public: 30 HwidOverrideTest() {} 31 ~HwidOverrideTest() override = default; 32 33 void SetUp() override { 34 ASSERT_TRUE(tempdir_.CreateUniqueTempDir()); 35 ASSERT_TRUE(base::CreateDirectory(tempdir_.path().Append("etc"))); 36 } 37 38 protected: 39 base::ScopedTempDir tempdir_; 40 41 private: 42 DISALLOW_COPY_AND_ASSIGN(HwidOverrideTest); 43 }; 44 45 TEST_F(HwidOverrideTest, ReadGood) { 46 std::string expected_hwid("expected"); 47 std::string keyval(HwidOverride::kHwidOverrideKey); 48 keyval += ("=" + expected_hwid); 49 ASSERT_EQ(base::WriteFile(tempdir_.path().Append("etc/lsb-release"), 50 keyval.c_str(), keyval.length()), 51 static_cast<int>(keyval.length())); 52 EXPECT_EQ(expected_hwid, HwidOverride::Read(tempdir_.path())); 53 } 54 55 TEST_F(HwidOverrideTest, ReadNothing) { 56 std::string keyval("SOMETHING_ELSE=UNINTERESTING"); 57 ASSERT_EQ(base::WriteFile(tempdir_.path().Append("etc/lsb-release"), 58 keyval.c_str(), keyval.length()), 59 static_cast<int>(keyval.length())); 60 EXPECT_EQ(std::string(), HwidOverride::Read(tempdir_.path())); 61 } 62 63 TEST_F(HwidOverrideTest, ReadFailure) { 64 EXPECT_EQ(std::string(), HwidOverride::Read(tempdir_.path())); 65 } 66 67 } // namespace chromeos_update_engine 68
