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/* Copyright libuv project contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "uv.h"
#include "task.h"
#if defined(__unix__) || defined(__POSIX__) || \
defined(__APPLE__) || defined(__sun) || \
defined(_AIX) || defined(__MVS__) || \
defined(__HAIKU__) || defined(__FUCHSIA__)
#include <unistd.h> /* unlink, etc. */
#else
# include <direct.h>
# include <io.h>
# define unlink _unlink
#endif
static const char fixture[] = "test/fixtures/load_error.node";
static const char dst[] = "test_file_dst";
static int result_check_count;
static void fail_cb(uv_fs_t* req) {
FATAL("fail_cb should not have been called");
}
static void handle_result(uv_fs_t* req) {
uv_fs_t stat_req;
uint64_t size;
uint64_t mode;
int r;
ASSERT(req->fs_type == UV_FS_COPYFILE);
ASSERT(req->result == 0);
/* Verify that the file size and mode are the same. */
r = uv_fs_stat(NULL, &stat_req, req->path, NULL);
ASSERT(r == 0);
size = stat_req.statbuf.st_size;
mode = stat_req.statbuf.st_mode;
uv_fs_req_cleanup(&stat_req);
r = uv_fs_stat(NULL, &stat_req, dst, NULL);
ASSERT(r == 0);
ASSERT(stat_req.statbuf.st_size == size);
ASSERT(stat_req.statbuf.st_mode == mode);
uv_fs_req_cleanup(&stat_req);
uv_fs_req_cleanup(req);
result_check_count++;
}
static void touch_file(const char* name, unsigned int size) {
uv_file file;
uv_fs_t req;
uv_buf_t buf;
int r;
unsigned int i;
r = uv_fs_open(NULL, &req, name, O_WRONLY | O_CREAT | O_TRUNC,
S_IWUSR | S_IRUSR, NULL);
uv_fs_req_cleanup(&req);
ASSERT(r >= 0);
file = r;
buf = uv_buf_init("a", 1);
/* Inefficient but simple. */
for (i = 0; i < size; i++) {
r = uv_fs_write(NULL, &req, file, &buf, 1, i, NULL);
uv_fs_req_cleanup(&req);
ASSERT(r >= 0);
}
r = uv_fs_close(NULL, &req, file, NULL);
uv_fs_req_cleanup(&req);
ASSERT(r == 0);
}
TEST_IMPL(fs_copyfile) {
const char src[] = "test_file_src";
uv_loop_t* loop;
uv_fs_t req;
int r;
loop = uv_default_loop();
/* Fails with EINVAL if bad flags are passed. */
r = uv_fs_copyfile(NULL, &req, src, dst, -1, NULL);
ASSERT(r == UV_EINVAL);
uv_fs_req_cleanup(&req);
/* Fails with ENOENT if source does not exist. */
unlink(src);
unlink(dst);
r = uv_fs_copyfile(NULL, &req, src, dst, 0, NULL);
ASSERT(req.result == UV_ENOENT);
ASSERT(r == UV_ENOENT);
uv_fs_req_cleanup(&req);
/* The destination should not exist. */
r = uv_fs_stat(NULL, &req, dst, NULL);
ASSERT(r != 0);
uv_fs_req_cleanup(&req);
/* Succeeds if src and dst files are identical. */
touch_file(src, 12);
r = uv_fs_copyfile(NULL, &req, src, src, 0, NULL);
ASSERT(r == 0);
uv_fs_req_cleanup(&req);
unlink(src);
/* Copies file synchronously. Creates new file. */
unlink(dst);
r = uv_fs_copyfile(NULL, &req, fixture, dst, 0, NULL);
ASSERT(r == 0);
handle_result(&req);
/* Copies a file of size zero. */
unlink(dst);
touch_file(src, 0);
r = uv_fs_copyfile(NULL, &req, src, dst, 0, NULL);
ASSERT(r == 0);
handle_result(&req);
/* Copies file synchronously. Overwrites existing file. */
r = uv_fs_copyfile(NULL, &req, fixture, dst, 0, NULL);
ASSERT(r == 0);
handle_result(&req);
/* Fails to overwrites existing file. */
r = uv_fs_copyfile(NULL, &req, fixture, dst, UV_FS_COPYFILE_EXCL, NULL);
ASSERT(r == UV_EEXIST);
uv_fs_req_cleanup(&req);
/* Truncates when an existing destination is larger than the source file. */
touch_file(src, 1);
r = uv_fs_copyfile(NULL, &req, src, dst, 0, NULL);
ASSERT(r == 0);
handle_result(&req);
/* Copies a larger file. */
unlink(dst);
touch_file(src, 4096 * 2);
r = uv_fs_copyfile(NULL, &req, src, dst, 0, NULL);
ASSERT(r == 0);
handle_result(&req);
unlink(src);
/* Copies file asynchronously */
unlink(dst);
r = uv_fs_copyfile(loop, &req, fixture, dst, 0, handle_result);
ASSERT(r == 0);
ASSERT(result_check_count == 5);
uv_run(loop, UV_RUN_DEFAULT);
ASSERT(result_check_count == 6);
/* If the flags are invalid, the loop should not be kept open */
unlink(dst);
r = uv_fs_copyfile(loop, &req, fixture, dst, -1, fail_cb);
ASSERT(r == UV_EINVAL);
uv_run(loop, UV_RUN_DEFAULT);
/* Copies file using UV_FS_COPYFILE_FICLONE. */
unlink(dst);
r = uv_fs_copyfile(NULL, &req, fixture, dst, UV_FS_COPYFILE_FICLONE, NULL);
ASSERT(r == 0);
handle_result(&req);
/* Copies file using UV_FS_COPYFILE_FICLONE_FORCE. */
unlink(dst);
r = uv_fs_copyfile(NULL, &req, fixture, dst, UV_FS_COPYFILE_FICLONE_FORCE,
NULL);
ASSERT(r <= 0);
if (r == 0)
handle_result(&req);
#ifndef _WIN32
/* Copying respects permissions/mode. */
unlink(dst);
touch_file(dst, 0);
chmod(dst, S_IRUSR|S_IRGRP|S_IROTH); /* Sets file mode to 444 (read-only). */
r = uv_fs_copyfile(NULL, &req, fixture, dst, 0, NULL);
ASSERT(req.result == UV_EACCES);
ASSERT(r == UV_EACCES);
uv_fs_req_cleanup(&req);
#endif
unlink(dst); /* Cleanup */
return 0;
}