1 /*
2 * Copyright 2020 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 "os/files.h"
18
19 #include <gmock/gmock.h>
20 #include <gtest/gtest.h>
21
22 #include <filesystem>
23
24 namespace testing {
25
26 using bluetooth::os::FileExists;
27 using bluetooth::os::ReadSmallFile;
28 using bluetooth::os::RenameFile;
29 using bluetooth::os::WriteToFile;
30
TEST(FilesTest,exist_test)31 TEST(FilesTest, exist_test) {
32 auto temp_dir = std::filesystem::temp_directory_path();
33 auto temp_file = temp_dir / "file_1.txt";
34 std::string text = "Hello world!\n";
35 ASSERT_TRUE(WriteToFile(temp_file.string(), text));
36 EXPECT_TRUE(FileExists(temp_file.string()));
37 auto none_file = temp_dir / "file_nope.txt";
38 EXPECT_FALSE(FileExists(none_file.string()));
39 }
40
TEST(FilesTest,rename_test)41 TEST(FilesTest, rename_test) {
42 auto temp_dir = std::filesystem::temp_directory_path();
43 auto temp_file = temp_dir / "file_1.txt";
44 std::string text = "Hello world!\n";
45 ASSERT_TRUE(WriteToFile(temp_file.string(), text));
46 EXPECT_THAT(ReadSmallFile(temp_file.string()), Optional(StrEq(text)));
47 auto to_file = temp_dir / "file_2.txt";
48 ASSERT_TRUE(RenameFile(temp_file.string(), to_file.string()));
49 EXPECT_FALSE(std::filesystem::exists(temp_file));
50 EXPECT_THAT(ReadSmallFile(to_file.string()), Optional(StrEq(text)));
51 // rename files that do not exist should return false
52 ASSERT_FALSE(RenameFile(temp_file.string(), to_file.string()));
53 }
54
TEST(FilesTest,write_read_loopback_test)55 TEST(FilesTest, write_read_loopback_test) {
56 auto temp_dir = std::filesystem::temp_directory_path();
57 auto temp_file = temp_dir / "file_1.txt";
58 std::string text = "Hello world!\n";
59 ASSERT_TRUE(WriteToFile(temp_file.string(), text));
60 EXPECT_THAT(ReadSmallFile(temp_file.string()), Optional(StrEq(text)));
61 EXPECT_TRUE(std::filesystem::remove(temp_file));
62 }
63
TEST(FilesTest,overwrite_test)64 TEST(FilesTest, overwrite_test) {
65 auto temp_dir = std::filesystem::temp_directory_path();
66 auto temp_file = temp_dir / "file_1.txt";
67 std::string text = "Hello world!\n";
68 ASSERT_TRUE(WriteToFile(temp_file.string(), text));
69 EXPECT_THAT(ReadSmallFile(temp_file.string()), Optional(StrEq(text)));
70 text = "Foo bar!\n";
71 ASSERT_TRUE(WriteToFile(temp_file.string(), text));
72 EXPECT_THAT(ReadSmallFile(temp_file.string()), Optional(StrEq(text)));
73 EXPECT_TRUE(std::filesystem::remove(temp_file));
74 }
75
TEST(FilesTest,write_read_empty_string_test)76 TEST(FilesTest, write_read_empty_string_test) {
77 auto temp_dir = std::filesystem::temp_directory_path();
78 auto temp_file = temp_dir / "file_1.txt";
79 std::string text;
80 ASSERT_TRUE(WriteToFile(temp_file.string(), text));
81 EXPECT_THAT(ReadSmallFile(temp_file.string()), Optional(StrEq(text)));
82 EXPECT_TRUE(std::filesystem::remove(temp_file));
83 }
84
TEST(FilesTest,read_non_existing_file_test)85 TEST(FilesTest, read_non_existing_file_test) {
86 EXPECT_FALSE(ReadSmallFile("/woof"));
87 }
88
89 } // namespace testing