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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/system_logs/debug_daemon_log_source.h"
#include "base/files/file_enumerator.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace system_logs {
constexpr char kNotAvailable[] = "<not available>";
class DebugDaemonLogSourceTest : public ::testing::Test {};
TEST_F(DebugDaemonLogSourceTest, ReadUserLogFile) {
constexpr char kLogContent[] = "logloglog\n";
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
const base::FilePath temp_dir_path = temp_dir.GetPath();
ASSERT_TRUE(CreateDirectory(temp_dir_path.AppendASCII("dir")));
// Prepare a directory and log file in it.
base::FilePath log_file("dir/log.txt");
base::FilePath log_path = temp_dir_path.Append(log_file);
ASSERT_TRUE(base::WriteFile(log_path, kLogContent));
auto result = ReadUserLogFile(log_path);
EXPECT_EQ(kLogContent, result);
}
TEST_F(DebugDaemonLogSourceTest, ReadUserLogFile_FileNotExisting) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
// Prepare a directory but no log file in it.
const base::FilePath temp_dir_path = temp_dir.GetPath();
ASSERT_TRUE(CreateDirectory(temp_dir_path.AppendASCII("dir")));
base::FilePath log_file("dir/log.txt");
base::FilePath log_path = temp_dir_path.Append(log_file);
ASSERT_FALSE(base::PathExists(log_path));
auto result = ReadUserLogFile(log_path);
EXPECT_EQ(kNotAvailable, result);
}
TEST_F(DebugDaemonLogSourceTest, ReadUserLogFile_DirectoryNotExisting) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
// Prepare neither directory nor log file.
base::FilePath log_file("dir/log.txt");
const base::FilePath temp_dir_path = temp_dir.GetPath();
base::FilePath log_path = temp_dir_path.Append(log_file);
ASSERT_FALSE(base::PathExists(log_path));
auto result = ReadUserLogFile(log_path);
EXPECT_EQ(kNotAvailable, result);
}
TEST_F(DebugDaemonLogSourceTest, ReadUserLogFilePattern) {
constexpr char kLog1Content[] = "logloglog #1\n";
constexpr char kLog2Content[] = "logloglog #2\n";
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
// Prepare a directory.
const base::FilePath temp_dir_path = temp_dir.GetPath();
ASSERT_TRUE(CreateDirectory(temp_dir_path.AppendASCII("dir")));
// Prepare an older log file with mtime of yesterday.
base::FilePath log_path_not_latest =
temp_dir_path.AppendASCII("dir/log1.txt");
ASSERT_TRUE(base::WriteFile(log_path_not_latest, kLog1Content));
base::Time yesterday = base::Time::Now() - base::Days(1);
ASSERT_TRUE(base::File(log_path_not_latest,
base::File::FLAG_OPEN | base::File::FLAG_READ)
.SetTimes(yesterday, yesterday));
// Prepare a newer log file with mtime of now.
base::FilePath log_path_latest = temp_dir_path.AppendASCII("dir/log2.txt");
ASSERT_TRUE(base::WriteFile(log_path_latest, kLog2Content));
base::FilePath log_path_pattern("dir/log?.txt");
auto result = ReadUserLogFilePattern(temp_dir_path.Append(log_path_pattern));
// Confirm that the newer log file is detected.
EXPECT_EQ(kLog2Content, result);
}
TEST_F(DebugDaemonLogSourceTest, ReadUserLogFilePattern_FileNotExists) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
// Prepare a directory but no log file in it.
const base::FilePath temp_dir_path = temp_dir.GetPath();
ASSERT_TRUE(CreateDirectory(temp_dir_path.AppendASCII("dir")));
base::FilePath log_path_pattern("dir/log?.txt");
auto result = ReadUserLogFilePattern(temp_dir_path.Append(log_path_pattern));
EXPECT_EQ(kNotAvailable, result);
}
TEST_F(DebugDaemonLogSourceTest, ReadUserLogFilePattern_DirectoryNotExists) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
// Prepare neither directory nor log file.
base::FilePath log_path_pattern("dir/log?.txt");
const base::FilePath temp_dir_path = temp_dir.GetPath();
auto result = ReadUserLogFilePattern(temp_dir_path.Append(log_path_pattern));
EXPECT_EQ(kNotAvailable, result);
}
} // namespace system_logs
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