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-rw-r--r--src/test/test-dirent-util.c218
1 files changed, 218 insertions, 0 deletions
diff --git a/src/test/test-dirent-util.c b/src/test/test-dirent-util.c
new file mode 100644
index 0000000..420ccd1
--- /dev/null
+++ b/src/test/test-dirent-util.c
@@ -0,0 +1,218 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/stat.h>
+
+#include "alloc-util.h"
+#include "dirent-util.h"
+#include "fs-util.h"
+#include "mkdir.h"
+#include "path-util.h"
+#include "rm-rf.h"
+#include "stat-util.h"
+#include "string-util.h"
+#include "tmpfile-util.h"
+#include "tests.h"
+
+TEST (test_dirent_ensure_type) {
+ int r, dir_fd;
+ static struct dirent de = {
+ .d_type = DT_UNKNOWN,
+ .d_name = "test",
+ };
+
+ dir_fd = 0;
+ assert_se(dirent_ensure_type(dir_fd, &de) == -ENOTDIR);
+
+ /* Test when d_name is "." or ".." */
+ strcpy(de.d_name, ".");
+ r = dirent_ensure_type(dir_fd, &de);
+ assert_se(r == 0);
+ assert_se(de.d_type == DT_DIR);
+
+ strcpy(de.d_name, "..");
+ r = dirent_ensure_type(dir_fd, &de);
+ assert_se(r == 0);
+ assert_se(de.d_type == DT_DIR);
+}
+
+TEST (test_dirent_is_file) {
+ _cleanup_(rm_rf_physical_and_freep) char *t = NULL;
+ const char *name, *dotfile, *name_alias, *bakfile, *tilda;
+ const struct dirent *de_reg, *de_lnk, *de_dot, *de_bak, *de_tilda;
+ DIR *dir;
+
+ static const struct dirent de_unknown = {
+ .d_type = DT_UNKNOWN,
+ .d_name = "test_unknown",
+ };
+
+ assert_se(mkdtemp_malloc(NULL, &t) >= 0);
+
+ name = strjoina(t, "/test.txt");
+ dotfile = strjoina(t, "/.hidden_file");
+ bakfile = strjoina(t, "/test.bak");
+ tilda = strjoina(t, "/test~");
+ name_alias = strjoina(t, "/test_link");
+
+ assert_se(touch(name) >= 0);
+ assert_se(touch(dotfile) >= 0);
+ assert_se(touch(bakfile) >= 0);
+ assert_se(touch(tilda) >= 0);
+
+ if (symlink(name, name_alias) < 0) {
+ assert_se(IN_SET(errno, EINVAL, ENOSYS, ENOTTY, EPERM));
+ log_tests_skipped_errno(errno, "symlink() not possible");
+ }
+
+ dir = opendir(t);
+ if (!dir) {
+ log_error_errno(errno, "Failed to open directory '%s': %m", t);
+ exit(EXIT_FAILURE);
+ }
+
+ rewinddir(dir);
+ while ((de_reg = readdir_ensure_type(dir)))
+ if (streq(de_reg->d_name, "test.txt"))
+ break;
+
+ rewinddir(dir);
+ while ((de_lnk = readdir_ensure_type(dir)))
+ if (streq(de_lnk->d_name, "test_link"))
+ break;
+
+ rewinddir(dir);
+ while ((de_dot = readdir_ensure_type(dir)))
+ if (streq(de_dot->d_name, ".hidden_file"))
+ break;
+
+ rewinddir(dir);
+ while ((de_bak = readdir(dir)))
+ if (streq(de_bak->d_name, "test.bak"))
+ break;
+
+ rewinddir(dir);
+ while ((de_tilda = readdir(dir)))
+ if (streq(de_tilda->d_name, "test~"))
+ break;
+
+ /* Test when d_type is DT_REG, DT_LNK, or DT_UNKNOWN */
+ assert_se(dirent_is_file(de_reg) == true);
+ if (de_lnk)
+ assert_se(dirent_is_file(de_lnk) == true);
+ else
+ log_tests_skipped("de_lnk is NULL, skipping test");
+ assert_se(dirent_is_file(&de_unknown) == true);
+
+ /* Test for hidden files */
+ assert_se(dirent_is_file(de_dot) == false);
+ assert_se(dirent_is_file(de_bak) == false);
+ assert_se(dirent_is_file(de_tilda) == false);
+
+ closedir(dir);
+}
+
+TEST (test_dirent_is_file_with_suffix) {
+ _cleanup_(rm_rf_physical_and_freep) char *t = NULL;
+ const char *name, *dotfile, *name_alias, *dotdot, *chr;
+ const struct dirent *de_reg, *de_lnk, *de_dot, *de_dotdot, *de_chr;
+ DIR *dir;
+
+ static const struct dirent de_unknown = {
+ .d_type = DT_UNKNOWN,
+ .d_name = "test_unknown",
+ };
+
+ assert_se(mkdtemp_malloc(NULL, &t) >= 0);
+
+ name = strjoina(t, "/test.txt");
+ dotfile = strjoina(t, "/.hidden_file");
+ dotdot = strjoina(t, "/..dotdot");
+ chr = strjoina(t, "/test_chr");
+ name_alias = strjoina(t, "/test_link");
+
+ assert_se(touch(name) >= 0);
+ assert_se(touch(dotfile) >= 0);
+ assert_se(touch(dotdot) >= 0);
+ /* This can fail in containers/build systems */
+ if (mknod(chr, 0775 | S_IFCHR, makedev(0, 0)) < 0) {
+ assert(ERRNO_IS_PRIVILEGE(errno));
+ chr = NULL;
+ }
+
+ if (symlink(name, name_alias) < 0) {
+ assert_se(IN_SET(errno, EINVAL, ENOSYS, ENOTTY, EPERM));
+ log_tests_skipped_errno(errno, "symlink() not possible");
+ }
+
+ dir = opendir(t);
+ if (!dir) {
+ log_error_errno(errno, "Failed to open directory '%s': %m", t);
+ exit(EXIT_FAILURE);
+ }
+
+ rewinddir(dir);
+ while ((de_reg = readdir_ensure_type(dir)))
+ if (streq(de_reg->d_name, "test.txt"))
+ break;
+
+ rewinddir(dir);
+ while ((de_lnk = readdir_ensure_type(dir)))
+ if (streq(de_lnk->d_name, "test_link"))
+ break;
+
+ rewinddir(dir);
+ while ((de_dot = readdir_ensure_type(dir)))
+ if (streq(de_dot->d_name, ".hidden_file"))
+ break;
+
+ rewinddir(dir);
+ while ((de_dotdot = readdir(dir)))
+ if (streq(de_dotdot->d_name, "..dotdot"))
+ break;
+
+ if (chr) {
+ rewinddir(dir);
+ while ((de_chr = readdir(dir)))
+ if (streq(de_chr->d_name, "test_chr"))
+ break;
+
+ /* Test when d_type is not DT_REG, DT_LNK, or DT_UNKNOWN */
+ assert(de_chr);
+ assert_se(!dirent_is_file_with_suffix(de_chr, NULL));
+ }
+
+ /* Test when suffix is NULL */
+ assert_se(dirent_is_file_with_suffix(de_reg, NULL) == true);
+ if (de_lnk)
+ assert_se(dirent_is_file_with_suffix(de_lnk, NULL) == true);
+ else
+ log_tests_skipped("de_lnk is NULL, skipping test");
+ assert_se(dirent_is_file_with_suffix(&de_unknown, NULL) == true);
+
+ /* Test for present suffix */
+ assert_se(dirent_is_file_with_suffix(de_reg, "txt") == true);
+ if (de_lnk)
+ assert_se(dirent_is_file_with_suffix(de_lnk, "link") == true);
+ else
+ log_tests_skipped("de_lnk is NULL, skipping test");
+ assert_se(dirent_is_file_with_suffix(&de_unknown, "unknown") == true);
+
+ /* Test for absent suffix */
+ assert_se(dirent_is_file_with_suffix(de_reg, "svg") == false);
+ if (de_lnk)
+ assert_se(dirent_is_file_with_suffix(de_lnk, "pdf") == false);
+ else
+ log_tests_skipped("de_lnk is NULL, skipping test");
+ assert_se(dirent_is_file_with_suffix(&de_unknown, "yes") == false);
+
+ /* Test for dot and dot-dot */
+ assert_se(dirent_is_file_with_suffix(de_dot, NULL) == false);
+ assert_se(dirent_is_file_with_suffix(de_dotdot, NULL) == false);
+
+ closedir(dir);
+}
+
+DEFINE_TEST_MAIN(LOG_INFO);
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