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/*
* Copyright 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <errno.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string>
#include <android-base/test_utils.h>
#include <gtest/gtest.h>
#include <otautil/DirUtil.h>
TEST(DirUtilTest, create_invalid) {
// Requesting to create an empty dir is invalid.
ASSERT_EQ(-1, dirCreateHierarchy("", 0755, nullptr, false, nullptr));
ASSERT_EQ(ENOENT, errno);
// Requesting to strip the name with no slash present.
ASSERT_EQ(-1, dirCreateHierarchy("abc", 0755, nullptr, true, nullptr));
ASSERT_EQ(ENOENT, errno);
// Creating a dir that already exists.
TemporaryDir td;
ASSERT_EQ(0, dirCreateHierarchy(td.path, 0755, nullptr, false, nullptr));
// "///" is a valid dir.
ASSERT_EQ(0, dirCreateHierarchy("///", 0755, nullptr, false, nullptr));
// Request to create a dir, but a file with the same name already exists.
TemporaryFile tf;
ASSERT_EQ(-1, dirCreateHierarchy(tf.path, 0755, nullptr, false, nullptr));
ASSERT_EQ(ENOTDIR, errno);
}
TEST(DirUtilTest, create_smoke) {
TemporaryDir td;
std::string prefix(td.path);
std::string path = prefix + "/a/b";
constexpr mode_t mode = 0755;
ASSERT_EQ(0, dirCreateHierarchy(path.c_str(), mode, nullptr, false, nullptr));
// Verify.
struct stat sb;
ASSERT_EQ(0, stat(path.c_str(), &sb)) << strerror(errno);
ASSERT_TRUE(S_ISDIR(sb.st_mode));
constexpr mode_t mask = S_IRWXU | S_IRWXG | S_IRWXO;
ASSERT_EQ(mode, sb.st_mode & mask);
// Clean up.
ASSERT_EQ(0, rmdir((prefix + "/a/b").c_str()));
ASSERT_EQ(0, rmdir((prefix + "/a").c_str()));
}
TEST(DirUtilTest, create_strip_filename) {
TemporaryDir td;
std::string prefix(td.path);
std::string path = prefix + "/a/b";
ASSERT_EQ(0, dirCreateHierarchy(path.c_str(), 0755, nullptr, true, nullptr));
// Verify that "../a" exists but not "../a/b".
struct stat sb;
ASSERT_EQ(0, stat((prefix + "/a").c_str(), &sb)) << strerror(errno);
ASSERT_TRUE(S_ISDIR(sb.st_mode));
ASSERT_EQ(-1, stat(path.c_str(), &sb));
ASSERT_EQ(ENOENT, errno);
// Clean up.
ASSERT_EQ(0, rmdir((prefix + "/a").c_str()));
}
TEST(DirUtilTest, create_mode_and_timestamp) {
TemporaryDir td;
std::string prefix(td.path);
std::string path = prefix + "/a/b";
// Set the timestamp to 8/1/2008.
constexpr struct utimbuf timestamp = { 1217592000, 1217592000 };
constexpr mode_t mode = 0751;
ASSERT_EQ(0, dirCreateHierarchy(path.c_str(), mode, ×tamp, false, nullptr));
// Verify the mode and timestamp for "../a/b".
struct stat sb;
ASSERT_EQ(0, stat(path.c_str(), &sb)) << strerror(errno);
ASSERT_TRUE(S_ISDIR(sb.st_mode));
constexpr mode_t mask = S_IRWXU | S_IRWXG | S_IRWXO;
ASSERT_EQ(mode, sb.st_mode & mask);
timespec time;
time.tv_sec = 1217592000;
time.tv_nsec = 0;
ASSERT_EQ(time.tv_sec, static_cast<long>(sb.st_atime));
ASSERT_EQ(time.tv_sec, static_cast<long>(sb.st_mtime));
// Verify the mode for "../a". Note that the timestamp for intermediate directories (e.g. "../a")
// may not be 'timestamp' according to the current implementation.
ASSERT_EQ(0, stat((prefix + "/a").c_str(), &sb)) << strerror(errno);
ASSERT_TRUE(S_ISDIR(sb.st_mode));
ASSERT_EQ(mode, sb.st_mode & mask);
// Clean up.
ASSERT_EQ(0, rmdir((prefix + "/a/b").c_str()));
ASSERT_EQ(0, rmdir((prefix + "/a").c_str()));
}
TEST(DirUtilTest, unlink_invalid) {
// File doesn't exist.
ASSERT_EQ(-1, dirUnlinkHierarchy("doesntexist"));
// Nonexistent directory.
TemporaryDir td;
std::string path(td.path);
ASSERT_EQ(-1, dirUnlinkHierarchy((path + "/a").c_str()));
ASSERT_EQ(ENOENT, errno);
}
TEST(DirUtilTest, unlink_smoke) {
// Unlink a file.
TemporaryFile tf;
ASSERT_EQ(0, dirUnlinkHierarchy(tf.path));
ASSERT_EQ(-1, access(tf.path, F_OK));
TemporaryDir td;
std::string path(td.path);
constexpr mode_t mode = 0700;
ASSERT_EQ(0, mkdir((path + "/a").c_str(), mode));
ASSERT_EQ(0, mkdir((path + "/a/b").c_str(), mode));
ASSERT_EQ(0, mkdir((path + "/a/b/c").c_str(), mode));
ASSERT_EQ(0, mkdir((path + "/a/d").c_str(), mode));
// Remove "../a" recursively.
ASSERT_EQ(0, dirUnlinkHierarchy((path + "/a").c_str()));
// Verify it's gone.
ASSERT_EQ(-1, access((path + "/a").c_str(), F_OK));
}
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