test: unit test for using alternate roots with path_strv_resolve

1 files changed, 31 insertions, 0 deletions

diff --git a/src/test/test-path-util.c b/src/test/test-path-util.c
index 9f8ae4dee..4ee33a954 100644
--- a/src/test/test-path-util.c
+++ b/src/test/test-path-util.c
@@ -20,10 +20,12 @@
 ***/
 
 #include <stdio.h>
+#include <unistd.h>
 
 #include "path-util.h"
 #include "util.h"
 #include "macro.h"
+#include "strv.h"
 
 
 static void test_path(void) {
@@ -191,11 +193,40 @@ static void test_make_relative(void) {
         test("//extra/////slashes///won't////fool///anybody//", "////extra///slashes////are/just///fine///", "../../../are/just/fine");
 }
 
+static void test_strv_resolve(void) {
+        char tmp_dir[] = "/tmp/test-path-util-XXXXXX";
+        _cleanup_strv_free_ char **search_dirs = NULL;
+        _cleanup_strv_free_ char **absolute_dirs = NULL;
+        char **d;
+
+        assert_se(mkdtemp(tmp_dir) != NULL);
+
+        search_dirs = strv_new("/dir1", "/dir2", "/dir3", NULL);
+        assert_se(search_dirs);
+        STRV_FOREACH(d, search_dirs) {
+                char *p = strappend(tmp_dir, *d);
+                assert_se(p);
+                assert_se(strv_push(&absolute_dirs, p) == 0);
+        }
+
+        assert_se(mkdir(absolute_dirs[0], 0700) == 0);
+        assert_se(mkdir(absolute_dirs[1], 0700) == 0);
+        assert_se(symlink("dir2", absolute_dirs[2]) == 0);
+
+        path_strv_resolve(search_dirs, tmp_dir);
+        assert_se(streq(search_dirs[0], "/dir1"));
+        assert_se(streq(search_dirs[1], "/dir2"));
+        assert_se(streq(search_dirs[2], "/dir2"));
+
+        assert_se(rm_rf_dangerous(tmp_dir, false, true, false) == 0);
+}
+
 int main(int argc, char **argv) {
         test_path();
         test_find_binary(argv[0]);
         test_prefixes();
         test_fsck_exists();
         test_make_relative();
+        test_strv_resolve();
         return 0;
 }