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Diffstat (limited to 'src/test/test-copy.c')
| -rw-r--r-- | src/test/test-copy.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/src/test/test-copy.c b/src/test/test-copy.c new file mode 100644 index 0000000000..ad57cb0202 --- /dev/null +++ b/src/test/test-copy.c @@ -0,0 +1,183 @@ +/*** + This file is part of systemd + + Copyright 2014 Ronny Chevalier + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <unistd.h> + +#include "alloc-util.h" +#include "copy.h" +#include "fd-util.h" +#include "fileio.h" +#include "fs-util.h" +#include "macro.h" +#include "mkdir.h" +#include "path-util.h" +#include "rm-rf.h" +#include "string-util.h" +#include "strv.h" +#include "util.h" + +static void test_copy_file(void) { + _cleanup_free_ char *buf = NULL; + char fn[] = "/tmp/test-copy_file.XXXXXX"; + char fn_copy[] = "/tmp/test-copy_file.XXXXXX"; + size_t sz = 0; + int fd; + + fd = mkostemp_safe(fn, O_RDWR|O_CLOEXEC); + assert_se(fd >= 0); + close(fd); + + fd = mkostemp_safe(fn_copy, O_RDWR|O_CLOEXEC); + assert_se(fd >= 0); + close(fd); + + assert_se(write_string_file(fn, "foo bar bar bar foo", WRITE_STRING_FILE_CREATE) == 0); + + assert_se(copy_file(fn, fn_copy, 0, 0644, 0) == 0); + + assert_se(read_full_file(fn_copy, &buf, &sz) == 0); + assert_se(streq(buf, "foo bar bar bar foo\n")); + assert_se(sz == 20); + + unlink(fn); + unlink(fn_copy); +} + +static void test_copy_file_fd(void) { + char in_fn[] = "/tmp/test-copy-file-fd-XXXXXX"; + char out_fn[] = "/tmp/test-copy-file-fd-XXXXXX"; + _cleanup_close_ int in_fd = -1, out_fd = -1; + char text[] = "boohoo\nfoo\n\tbar\n"; + char buf[64] = {0}; + + in_fd = mkostemp_safe(in_fn, O_RDWR); + assert_se(in_fd >= 0); + out_fd = mkostemp_safe(out_fn, O_RDWR); + assert_se(out_fd >= 0); + + assert_se(write_string_file(in_fn, text, WRITE_STRING_FILE_CREATE) == 0); + assert_se(copy_file_fd("/a/file/which/does/not/exist/i/guess", out_fd, true) < 0); + assert_se(copy_file_fd(in_fn, out_fd, true) >= 0); + assert_se(lseek(out_fd, SEEK_SET, 0) == 0); + + assert_se(read(out_fd, buf, sizeof(buf)) == sizeof(text) - 1); + assert_se(streq(buf, text)); + + unlink(in_fn); + unlink(out_fn); +} + +static void test_copy_tree(void) { + char original_dir[] = "/tmp/test-copy_tree/"; + char copy_dir[] = "/tmp/test-copy_tree-copy/"; + char **files = STRV_MAKE("file", "dir1/file", "dir1/dir2/file", "dir1/dir2/dir3/dir4/dir5/file"); + char **links = STRV_MAKE("link", "file", + "link2", "dir1/file"); + char **p, **link; + + (void) rm_rf(copy_dir, REMOVE_ROOT|REMOVE_PHYSICAL); + (void) rm_rf(original_dir, REMOVE_ROOT|REMOVE_PHYSICAL); + + STRV_FOREACH(p, files) { + char *f = strjoina(original_dir, *p); + + assert_se(mkdir_parents(f, 0755) >= 0); + assert_se(write_string_file(f, "file", WRITE_STRING_FILE_CREATE) == 0); + } + + STRV_FOREACH_PAIR(link, p, links) { + char *f = strjoina(original_dir, *p); + char *l = strjoina(original_dir, *link); + + assert_se(mkdir_parents(l, 0755) >= 0); + assert_se(symlink(f, l) == 0); + } + + assert_se(copy_tree(original_dir, copy_dir, true) == 0); + + STRV_FOREACH(p, files) { + _cleanup_free_ char *buf = NULL; + size_t sz = 0; + char *f = strjoina(copy_dir, *p); + + assert_se(access(f, F_OK) == 0); + assert_se(read_full_file(f, &buf, &sz) == 0); + assert_se(streq(buf, "file\n")); + } + + STRV_FOREACH_PAIR(link, p, links) { + _cleanup_free_ char *target = NULL; + char *f = strjoina(original_dir, *p); + char *l = strjoina(copy_dir, *link); + + assert_se(readlink_and_canonicalize(l, &target) == 0); + assert_se(path_equal(f, target)); + } + + assert_se(copy_tree(original_dir, copy_dir, false) < 0); + assert_se(copy_tree("/tmp/inexistent/foo/bar/fsdoi", copy_dir, false) < 0); + + (void) rm_rf(copy_dir, REMOVE_ROOT|REMOVE_PHYSICAL); + (void) rm_rf(original_dir, REMOVE_ROOT|REMOVE_PHYSICAL); +} + +static void test_copy_bytes(void) { + _cleanup_close_pair_ int pipefd[2] = {-1, -1}; + _cleanup_close_ int infd = -1; + int r, r2; + char buf[1024], buf2[1024]; + + infd = open("/usr/lib/os-release", O_RDONLY|O_CLOEXEC); + if (infd < 0) + infd = open("/etc/os-release", O_RDONLY|O_CLOEXEC); + assert_se(infd >= 0); + + assert_se(pipe2(pipefd, O_CLOEXEC) == 0); + + r = copy_bytes(infd, pipefd[1], (uint64_t) -1, false); + assert_se(r == 0); + + r = read(pipefd[0], buf, sizeof(buf)); + assert_se(r >= 0); + + assert_se(lseek(infd, 0, SEEK_SET) == 0); + r2 = read(infd, buf2, sizeof(buf2)); + assert_se(r == r2); + + assert_se(strneq(buf, buf2, r)); + + /* test copy_bytes with invalid descriptors */ + r = copy_bytes(pipefd[0], pipefd[0], 1, false); + assert_se(r == -EBADF); + + r = copy_bytes(pipefd[1], pipefd[1], 1, false); + assert_se(r == -EBADF); + + r = copy_bytes(pipefd[1], infd, 1, false); + assert_se(r == -EBADF); +} + +int main(int argc, char *argv[]) { + test_copy_file(); + test_copy_file_fd(); + test_copy_tree(); + test_copy_bytes(); + + return 0; +} |