Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 1 | // Copyright (c) 2010 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 <chromeos/key_value_store.h> |
| 6 | |
| 7 | #include <map> |
| 8 | #include <string> |
| 9 | |
| 10 | #include <base/files/file_util.h> |
| 11 | #include <base/files/scoped_temp_dir.h> |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 12 | #include <base/logging.h> |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 13 | #include <base/strings/string_util.h> |
| 14 | #include <gtest/gtest.h> |
| 15 | |
| 16 | using base::FilePath; |
| 17 | using base::ReadFileToString; |
| 18 | using std::map; |
| 19 | using std::string; |
| 20 | |
| 21 | namespace chromeos { |
| 22 | |
| 23 | class KeyValueStoreTest : public ::testing::Test { |
| 24 | public: |
| 25 | void SetUp() override { |
| 26 | CHECK(temp_dir_.CreateUniqueTempDir()); |
| 27 | temp_file_ = temp_dir_.path().Append("temp.conf"); |
| 28 | } |
| 29 | |
| 30 | protected: |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 31 | // Returns the value from |store_| corresponding to |key|, or an empty string |
| 32 | // if the key is not present. Crashes if the store returns an empty value. |
| 33 | string GetNonemptyStringValue(const string& key) { |
| 34 | string value; |
| 35 | if (store_.GetString(key, &value)) |
| 36 | CHECK(!value.empty()); |
| 37 | return value; |
| 38 | } |
| 39 | |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 40 | base::FilePath temp_file_; |
| 41 | base::ScopedTempDir temp_dir_; |
| 42 | KeyValueStore store_; // KeyValueStore under test. |
| 43 | }; |
| 44 | |
| 45 | TEST_F(KeyValueStoreTest, CommentsAreIgnored) { |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 46 | string blob = "# comment\nA=B\n\n\n#another=comment\n # leading spaces\n"; |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 47 | ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size())); |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 48 | ASSERT_TRUE(store_.Load(temp_file_)); |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 49 | |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 50 | ASSERT_TRUE(store_.Save(temp_file_)); |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 51 | string read_blob; |
| 52 | ASSERT_TRUE(ReadFileToString(FilePath(temp_file_), &read_blob)); |
| 53 | EXPECT_EQ("A=B\n", read_blob); |
| 54 | } |
| 55 | |
| 56 | TEST_F(KeyValueStoreTest, EmptyTest) { |
| 57 | ASSERT_EQ(0, base::WriteFile(temp_file_, "", 0)); |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 58 | ASSERT_TRUE(store_.Load(temp_file_)); |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 59 | |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 60 | ASSERT_TRUE(store_.Save(temp_file_)); |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 61 | string read_blob; |
| 62 | ASSERT_TRUE(ReadFileToString(FilePath(temp_file_), &read_blob)); |
| 63 | EXPECT_EQ("", read_blob); |
| 64 | } |
| 65 | |
| 66 | TEST_F(KeyValueStoreTest, LoadAndReloadTest) { |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 67 | string blob = "A=B\nC=\nFOO=BAR=BAZ\nBAR=BAX\nMISSING=NEWLINE"; |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 68 | ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size())); |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 69 | ASSERT_TRUE(store_.Load(temp_file_)); |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 70 | |
Alex Vakulenko | 05d2904 | 2015-01-13 09:39:25 -0800 | [diff] [blame] | 71 | map<string, string> expected = {{"A", "B"}, |
| 72 | {"C", ""}, |
Alex Vakulenko | 05d2904 | 2015-01-13 09:39:25 -0800 | [diff] [blame] | 73 | {"FOO", "BAR=BAZ"}, |
| 74 | {"BAR", "BAX"}, |
| 75 | {"MISSING", "NEWLINE"}}; |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 76 | |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 77 | // Test expected values. |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 78 | string value; |
| 79 | for (const auto& it : expected) { |
| 80 | EXPECT_TRUE(store_.GetString(it.first, &value)); |
| 81 | EXPECT_EQ(it.second, value) << "Testing key: " << it.first; |
| 82 | } |
| 83 | |
| 84 | // Save, load and test again. |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 85 | ASSERT_TRUE(store_.Save(temp_file_)); |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 86 | KeyValueStore new_store; |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 87 | ASSERT_TRUE(new_store.Load(temp_file_)); |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 88 | |
| 89 | for (const auto& it : expected) { |
| 90 | EXPECT_TRUE(new_store.GetString(it.first, &value)) << "key: " << it.first; |
| 91 | EXPECT_EQ(it.second, value) << "key: " << it.first; |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | TEST_F(KeyValueStoreTest, SimpleBooleanTest) { |
| 96 | bool result; |
| 97 | EXPECT_FALSE(store_.GetBoolean("A", &result)); |
| 98 | |
| 99 | store_.SetBoolean("A", true); |
| 100 | EXPECT_TRUE(store_.GetBoolean("A", &result)); |
| 101 | EXPECT_TRUE(result); |
| 102 | |
| 103 | store_.SetBoolean("A", false); |
| 104 | EXPECT_TRUE(store_.GetBoolean("A", &result)); |
| 105 | EXPECT_FALSE(result); |
| 106 | } |
| 107 | |
| 108 | TEST_F(KeyValueStoreTest, BooleanParsingTest) { |
| 109 | string blob = "TRUE=true\nfalse=false\nvar=false\nDONT_SHOUT=TRUE\n"; |
| 110 | ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size())); |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 111 | ASSERT_TRUE(store_.Load(temp_file_)); |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 112 | |
| 113 | map<string, bool> expected = { |
| 114 | {"TRUE", true}, {"false", false}, {"var", false}}; |
| 115 | bool value; |
| 116 | EXPECT_FALSE(store_.GetBoolean("DONT_SHOUT", &value)); |
| 117 | string str_value; |
| 118 | EXPECT_TRUE(store_.GetString("DONT_SHOUT", &str_value)); |
| 119 | |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 120 | // Test expected values. |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 121 | for (const auto& it : expected) { |
| 122 | EXPECT_TRUE(store_.GetBoolean(it.first, &value)) << "key: " << it.first; |
| 123 | EXPECT_EQ(it.second, value) << "key: " << it.first; |
| 124 | } |
| 125 | } |
| 126 | |
Daniel Erat | 9ee4e71 | 2015-01-27 10:29:07 -0700 | [diff] [blame] | 127 | TEST_F(KeyValueStoreTest, TrimWhitespaceAroundKey) { |
| 128 | string blob = " a=1\nb =2\n c =3\n"; |
| 129 | ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size())); |
| 130 | ASSERT_TRUE(store_.Load(temp_file_)); |
| 131 | |
| 132 | EXPECT_EQ("1", GetNonemptyStringValue("a")); |
| 133 | EXPECT_EQ("2", GetNonemptyStringValue("b")); |
| 134 | EXPECT_EQ("3", GetNonemptyStringValue("c")); |
| 135 | |
| 136 | // Keys should also be trimmed when setting new values. |
| 137 | store_.SetString(" foo ", "4"); |
| 138 | EXPECT_EQ("4", GetNonemptyStringValue("foo")); |
| 139 | |
| 140 | store_.SetBoolean(" bar ", true); |
| 141 | bool value = false; |
| 142 | ASSERT_TRUE(store_.GetBoolean("bar", &value)); |
| 143 | EXPECT_TRUE(value); |
| 144 | } |
| 145 | |
| 146 | TEST_F(KeyValueStoreTest, IgnoreWhitespaceLine) { |
| 147 | string blob = "a=1\n \t \nb=2"; |
| 148 | ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size())); |
| 149 | ASSERT_TRUE(store_.Load(temp_file_)); |
| 150 | |
| 151 | EXPECT_EQ("1", GetNonemptyStringValue("a")); |
| 152 | EXPECT_EQ("2", GetNonemptyStringValue("b")); |
| 153 | } |
| 154 | |
| 155 | TEST_F(KeyValueStoreTest, RejectEmptyKeys) { |
| 156 | string blob = "=1"; |
| 157 | ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size())); |
| 158 | EXPECT_FALSE(store_.Load(temp_file_)); |
| 159 | |
| 160 | blob = " =2"; |
| 161 | ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size())); |
| 162 | EXPECT_FALSE(store_.Load(temp_file_)); |
| 163 | |
| 164 | // Trying to set an empty (after trimming) key should fail an assert. |
| 165 | EXPECT_DEATH(store_.SetString(" ", "3"), ""); |
| 166 | EXPECT_DEATH(store_.SetBoolean(" ", "4"), ""); |
| 167 | } |
| 168 | |
| 169 | TEST_F(KeyValueStoreTest, RejectBogusLines) { |
| 170 | string blob = "a=1\nbogus\nb=2"; |
| 171 | ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size())); |
| 172 | EXPECT_FALSE(store_.Load(temp_file_)); |
| 173 | } |
| 174 | |
| 175 | TEST_F(KeyValueStoreTest, MultilineValue) { |
| 176 | string blob = "a=foo\nb=bar\\\n baz \\ \nc=3\n"; |
| 177 | ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size())); |
| 178 | ASSERT_TRUE(store_.Load(temp_file_)); |
| 179 | |
| 180 | EXPECT_EQ("foo", GetNonemptyStringValue("a")); |
| 181 | EXPECT_EQ("bar baz \\ ", GetNonemptyStringValue("b")); |
| 182 | EXPECT_EQ("3", GetNonemptyStringValue("c")); |
| 183 | } |
| 184 | |
| 185 | TEST_F(KeyValueStoreTest, UnterminatedMultilineValue) { |
| 186 | string blob = "a=foo\\"; |
| 187 | ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size())); |
| 188 | EXPECT_FALSE(store_.Load(temp_file_)); |
| 189 | |
| 190 | blob = "a=foo\\\n"; |
| 191 | ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size())); |
| 192 | EXPECT_FALSE(store_.Load(temp_file_)); |
| 193 | |
| 194 | blob = "a=foo\\\n\n# blah\n"; |
| 195 | ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size())); |
| 196 | EXPECT_FALSE(store_.Load(temp_file_)); |
| 197 | } |
| 198 | |
Alex Deymo | edf1a2b | 2014-09-23 12:05:56 -0700 | [diff] [blame] | 199 | } // namespace chromeos |