1 // Copyright 2014 The Chromium OS 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 <brillo/osrelease_reader.h> 6 7 #include <base/files/file_util.h> 8 #include <base/files/scoped_temp_dir.h> 9 #include <gtest/gtest.h> 10 11 using std::string; 12 13 namespace brillo { 14 15 class OsReleaseReaderTest : public ::testing::Test { 16 public: 17 void SetUp() override { 18 CHECK(temp_dir_.CreateUniqueTempDir()); 19 osreleased_ = temp_dir_.path().Append("etc").Append("os-release.d"); 20 osrelease_ = temp_dir_.path().Append("etc").Append("os-release"); 21 base::CreateDirectory(osreleased_); 22 } 23 24 protected: 25 base::FilePath temp_file_, osrelease_, osreleased_; 26 base::ScopedTempDir temp_dir_; 27 OsReleaseReader store_; // reader under test. 28 }; 29 30 TEST_F(OsReleaseReaderTest, MissingOsReleaseTest) { 31 store_.LoadTestingOnly(temp_dir_.path()); 32 } 33 34 TEST_F(OsReleaseReaderTest, MissingOsReleaseDTest) { 35 base::DeleteFile(osreleased_, true); 36 store_.LoadTestingOnly(temp_dir_.path()); 37 } 38 39 TEST_F(OsReleaseReaderTest, CompleteTest) { 40 string hello = "hello"; 41 string ola = "ola"; 42 string bob = "bob"; 43 string osreleasecontent = "TEST_KEY=bonjour\nNAME=bob\n"; 44 45 base::WriteFile(osreleased_.Append("TEST_KEY"), hello.data(), hello.size()); 46 base::WriteFile(osreleased_.Append("GREETINGS"), ola.data(), ola.size()); 47 base::WriteFile(osrelease_, osreleasecontent.data(), osreleasecontent.size()); 48 49 store_.LoadTestingOnly(temp_dir_.path()); 50 51 string test_key_value; 52 ASSERT_TRUE(store_.GetString("TEST_KEY", &test_key_value)); 53 54 string greetings_value; 55 ASSERT_TRUE(store_.GetString("GREETINGS", &greetings_value)); 56 57 string name_value; 58 ASSERT_TRUE(store_.GetString("NAME", &name_value)); 59 60 string nonexistent_value; 61 // Getting the string should fail if the key does not exist. 62 ASSERT_FALSE(store_.GetString("DOES_NOT_EXIST", &nonexistent_value)); 63 64 // hello in chosen (from os-release.d) instead of bonjour from os-release. 65 ASSERT_EQ(hello, test_key_value); 66 67 // greetings is set to ola. 68 ASSERT_EQ(ola, greetings_value); 69 70 // Name from os-release is set. 71 ASSERT_EQ(bob, name_value); 72 } 73 74 TEST_F(OsReleaseReaderTest, NoNewLine) { 75 // New lines should be stripped from os-release.d files. 76 string hello = "hello\n"; 77 string bonjour = "bonjour\ngarbage"; 78 79 base::WriteFile(osreleased_.Append("HELLO"), hello.data(), hello.size()); 80 base::WriteFile( 81 osreleased_.Append("BONJOUR"), bonjour.data(), bonjour.size()); 82 83 store_.LoadTestingOnly(temp_dir_.path()); 84 85 string hello_value; 86 string bonjour_value; 87 88 ASSERT_TRUE(store_.GetString("HELLO", &hello_value)); 89 ASSERT_TRUE(store_.GetString("BONJOUR", &bonjour_value)); 90 91 ASSERT_EQ("hello", hello_value); 92 ASSERT_EQ("bonjour", bonjour_value); 93 } 94 95 } // namespace brillo 96