1 //
2 // Copyright (C) 2009 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/payload_consumer/file_writer.h"
18
19 #include <errno.h>
20 #include <string.h>
21 #include <unistd.h>
22
23 #include <string>
24 #include <vector>
25
26 #include <brillo/secure_blob.h>
27 #include <gtest/gtest.h>
28
29 #include "update_engine/common/test_utils.h"
30 #include "update_engine/common/utils.h"
31
32 using std::string;
33 using std::vector;
34
35 namespace chromeos_update_engine {
36
37 class FileWriterTest : public ::testing::Test { };
38
TEST(FileWriterTest,SimpleTest)39 TEST(FileWriterTest, SimpleTest) {
40 // Create a uniquely named file for testing.
41 string path;
42 ASSERT_TRUE(utils::MakeTempFile("FileWriterTest-XXXXXX", &path, nullptr));
43 ScopedPathUnlinker path_unlinker(path);
44
45 DirectFileWriter file_writer;
46 EXPECT_EQ(0, file_writer.Open(path.c_str(),
47 O_CREAT | O_LARGEFILE | O_TRUNC | O_WRONLY,
48 0644));
49 EXPECT_TRUE(file_writer.Write("test", 4));
50 brillo::Blob actual_data;
51 EXPECT_TRUE(utils::ReadFile(path, &actual_data));
52
53 EXPECT_FALSE(memcmp("test", actual_data.data(), actual_data.size()));
54 EXPECT_EQ(0, file_writer.Close());
55 }
56
TEST(FileWriterTest,ErrorTest)57 TEST(FileWriterTest, ErrorTest) {
58 DirectFileWriter file_writer;
59 const string path("/tmp/ENOENT/FileWriterTest");
60 EXPECT_EQ(-ENOENT, file_writer.Open(path.c_str(),
61 O_CREAT | O_LARGEFILE | O_TRUNC, 0644));
62 }
63
TEST(FileWriterTest,WriteErrorTest)64 TEST(FileWriterTest, WriteErrorTest) {
65 // Create a uniquely named file for testing.
66 string path;
67 ASSERT_TRUE(utils::MakeTempFile("FileWriterTest-XXXXXX", &path, nullptr));
68 ScopedPathUnlinker path_unlinker(path);
69
70 DirectFileWriter file_writer;
71 EXPECT_EQ(0, file_writer.Open(path.c_str(),
72 O_CREAT | O_LARGEFILE | O_TRUNC | O_RDONLY,
73 0644));
74 EXPECT_FALSE(file_writer.Write("x", 1));
75 EXPECT_EQ(0, file_writer.Close());
76 }
77
78
79 } // namespace chromeos_update_engine
80