]> git.ipfire.org Git - thirdparty/systemd.git/blobdiff - src/test/test-unit-name.c
Add SPDX license identifiers to source files under the LGPL
[thirdparty/systemd.git] / src / test / test-unit-name.c
index cf434558c34f4ced62df24bd961242794c816f68..013e87e73b4e3787d76769d836797507a22e80af 100644 (file)
@@ -1,9 +1,10 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
+  Copyright 2013 Zbigniew Jędrzejewski-Szmek
+  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
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <pwd.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
+#include "alloc-util.h"
+#include "glob-util.h"
+#include "hostname-util.h"
+#include "macro.h"
+#include "manager.h"
+#include "path-util.h"
+#include "rm-rf.h"
+#include "specifier.h"
+#include "string-util.h"
+#include "test-helper.h"
+#include "tests.h"
 #include "unit-name.h"
+#include "unit-printf.h"
+#include "unit.h"
+#include "user-util.h"
 #include "util.h"
 
-int main(int argc, char* argv[]) {
-        char *t, *k;
+static void test_unit_name_is_valid(void) {
+        assert_se(unit_name_is_valid("foo.service", UNIT_NAME_ANY));
+        assert_se(unit_name_is_valid("foo.service", UNIT_NAME_PLAIN));
+        assert_se(!unit_name_is_valid("foo.service", UNIT_NAME_INSTANCE));
+        assert_se(!unit_name_is_valid("foo.service", UNIT_NAME_TEMPLATE));
+        assert_se(!unit_name_is_valid("foo.service", UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE));
 
-        t = unit_name_replace_instance("foo@.service", "waldo");
-        puts(t);
-        free(t);
+        assert_se(unit_name_is_valid("foo@bar.service", UNIT_NAME_ANY));
+        assert_se(!unit_name_is_valid("foo@bar.service", UNIT_NAME_PLAIN));
+        assert_se(unit_name_is_valid("foo@bar.service", UNIT_NAME_INSTANCE));
+        assert_se(!unit_name_is_valid("foo@bar.service", UNIT_NAME_TEMPLATE));
+        assert_se(unit_name_is_valid("foo@bar.service", UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE));
 
-        t = unit_name_replace_instance("foo@xyz.service", "waldo");
-        puts(t);
-        free(t);
+        assert_se(unit_name_is_valid("foo@.service", UNIT_NAME_ANY));
+        assert_se(!unit_name_is_valid("foo@.service", UNIT_NAME_PLAIN));
+        assert_se(!unit_name_is_valid("foo@.service", UNIT_NAME_INSTANCE));
+        assert_se(unit_name_is_valid("foo@.service", UNIT_NAME_TEMPLATE));
+        assert_se(unit_name_is_valid("foo@.service", UNIT_NAME_INSTANCE|UNIT_NAME_TEMPLATE));
 
-        t = unit_name_replace_instance("xyz", "waldo");
-        puts(t);
-        free(t);
+        assert_se(!unit_name_is_valid(".service", UNIT_NAME_ANY));
+        assert_se(!unit_name_is_valid("", UNIT_NAME_ANY));
+        assert_se(!unit_name_is_valid("foo.waldo", UNIT_NAME_ANY));
+        assert_se(!unit_name_is_valid("@.service", UNIT_NAME_ANY));
+        assert_se(!unit_name_is_valid("@piep.service", UNIT_NAME_ANY));
+}
 
-        t = unit_name_replace_instance("", "waldo");
-        puts(t);
-        free(t);
+static void test_unit_name_replace_instance_one(const char *pattern, const char *repl, const char *expected, int ret) {
+        _cleanup_free_ char *t = NULL;
+        assert_se(unit_name_replace_instance(pattern, repl, &t) == ret);
+        puts(strna(t));
+        assert_se(streq_ptr(t, expected));
+}
 
-        t = unit_name_replace_instance("", "");
-        puts(t);
-        free(t);
+static void test_unit_name_replace_instance(void) {
+        puts("-------------------------------------------------");
+        test_unit_name_replace_instance_one("foo@.service", "waldo", "foo@waldo.service", 0);
+        test_unit_name_replace_instance_one("foo@xyz.service", "waldo", "foo@waldo.service", 0);
+        test_unit_name_replace_instance_one("xyz", "waldo", NULL, -EINVAL);
+        test_unit_name_replace_instance_one("", "waldo", NULL, -EINVAL);
+        test_unit_name_replace_instance_one("foo.service", "waldo", NULL, -EINVAL);
+        test_unit_name_replace_instance_one(".service", "waldo", NULL, -EINVAL);
+        test_unit_name_replace_instance_one("foo@", "waldo", NULL, -EINVAL);
+        test_unit_name_replace_instance_one("@bar", "waldo", NULL, -EINVAL);
+}
 
-        t = unit_name_replace_instance("foo.service", "waldo");
-        puts(t);
-        free(t);
+static void test_unit_name_from_path_one(const char *path, const char *suffix, const char *expected, int ret) {
+        _cleanup_free_ char *t = NULL;
 
-        t = unit_name_from_path("/waldo", ".mount");
-        puts(t);
-        k = unit_name_to_path(t);
-        puts(k);
-        free(k);
-        free(t);
+        assert_se(unit_name_from_path(path, suffix, &t) == ret);
+        puts(strna(t));
+        assert_se(streq_ptr(t, expected));
 
-        t = unit_name_from_path("/waldo/quuix", ".mount");
-        puts(t);
-        k = unit_name_to_path(t);
-        puts(k);
-        free(k);
-        free(t);
+        if (t) {
+                _cleanup_free_ char *k = NULL;
+                assert_se(unit_name_to_path(t, &k) == 0);
+                puts(strna(k));
+                assert_se(path_equal(k, isempty(path) ? "/" : path));
+        }
+}
 
-        t = unit_name_from_path("/waldo/quuix/", ".mount");
-        puts(t);
-        k = unit_name_to_path(t);
-        puts(k);
-        free(k);
-        free(t);
+static void test_unit_name_from_path(void) {
+        puts("-------------------------------------------------");
+        test_unit_name_from_path_one("/waldo", ".mount", "waldo.mount", 0);
+        test_unit_name_from_path_one("/waldo/quuix", ".mount", "waldo-quuix.mount", 0);
+        test_unit_name_from_path_one("/waldo/quuix/", ".mount", "waldo-quuix.mount", 0);
+        test_unit_name_from_path_one("", ".mount", "-.mount", 0);
+        test_unit_name_from_path_one("/", ".mount", "-.mount", 0);
+        test_unit_name_from_path_one("///", ".mount", "-.mount", 0);
+        test_unit_name_from_path_one("/foo/../bar", ".mount", NULL, -EINVAL);
+        test_unit_name_from_path_one("/foo/./bar", ".mount", NULL, -EINVAL);
+}
 
-        t = unit_name_from_path("/", ".mount");
-        puts(t);
-        k = unit_name_to_path(t);
-        puts(k);
-        free(k);
-        free(t);
+static void test_unit_name_from_path_instance_one(const char *pattern, const char *path, const char *suffix, const char *expected, int ret) {
+        _cleanup_free_ char *t = NULL;
 
-        t = unit_name_from_path("///", ".mount");
-        puts(t);
-        k = unit_name_to_path(t);
-        puts(k);
-        free(k);
-        free(t);
+        assert_se(unit_name_from_path_instance(pattern, path, suffix, &t) == ret);
+        puts(strna(t));
+        assert_se(streq_ptr(t, expected));
 
-        t = unit_name_from_path_instance("waldo", "/waldo", ".mount");
-        puts(t);
-        free(t);
+        if (t) {
+                _cleanup_free_ char *k = NULL, *v = NULL;
 
-        t = unit_name_from_path_instance("waldo", "/waldo////quuix////", ".mount");
-        puts(t);
-        free(t);
+                assert_se(unit_name_to_instance(t, &k) > 0);
+                assert_se(unit_name_path_unescape(k, &v) == 0);
+                assert_se(path_equal(v, isempty(path) ? "/" : path));
+        }
+}
 
-        t = unit_name_from_path_instance("waldo", "/", ".mount");
-        puts(t);
-        free(t);
+static void test_unit_name_from_path_instance(void) {
+        puts("-------------------------------------------------");
 
-        t = unit_name_from_path_instance("wa--ldo", "/--", ".mount");
-        puts(t);
-        free(t);
+        test_unit_name_from_path_instance_one("waldo", "/waldo", ".mount", "waldo@waldo.mount", 0);
+        test_unit_name_from_path_instance_one("waldo", "/waldo////quuix////", ".mount", "waldo@waldo-quuix.mount", 0);
+        test_unit_name_from_path_instance_one("waldo", "/", ".mount", "waldo@-.mount", 0);
+        test_unit_name_from_path_instance_one("waldo", "", ".mount", "waldo@-.mount", 0);
+        test_unit_name_from_path_instance_one("waldo", "///", ".mount", "waldo@-.mount", 0);
+        test_unit_name_from_path_instance_one("waldo", "..", ".mount", NULL, -EINVAL);
+        test_unit_name_from_path_instance_one("waldo", "/foo", ".waldi", NULL, -EINVAL);
+        test_unit_name_from_path_instance_one("wa--ldo", "/--", ".mount", "wa--ldo@\\x2d\\x2d.mount", 0);
+}
 
-        assert_se(t = unit_name_mangle("/home"));
-        assert_se(k = unit_name_mangle(t));
-        puts(t);
-        assert_se(streq(t, k));
-        free(t);
-        free(k);
+static void test_unit_name_to_path_one(const char *unit, const char *path, int ret) {
+        _cleanup_free_ char *p = NULL;
 
-        assert_se(t = unit_name_mangle("/dev/sda"));
-        assert_se(k = unit_name_mangle(t));
-        puts(t);
-        assert_se(streq(t, k));
-        free(t);
-        free(k);
+        assert_se(unit_name_to_path(unit, &p) == ret);
+        assert_se(streq_ptr(path, p));
+}
+
+static void test_unit_name_to_path(void) {
+        test_unit_name_to_path_one("home.mount", "/home", 0);
+        test_unit_name_to_path_one("home-lennart.mount", "/home/lennart", 0);
+        test_unit_name_to_path_one("home-lennart-.mount", NULL, -EINVAL);
+        test_unit_name_to_path_one("-home-lennart.mount", NULL, -EINVAL);
+        test_unit_name_to_path_one("-home--lennart.mount", NULL, -EINVAL);
+        test_unit_name_to_path_one("home-..-lennart.mount", NULL, -EINVAL);
+        test_unit_name_to_path_one("", NULL, -EINVAL);
+        test_unit_name_to_path_one("home/foo", NULL, -EINVAL);
+}
+
+static void test_unit_name_mangle_one(UnitNameMangle allow_globs, const char *pattern, const char *expect, int ret) {
+        _cleanup_free_ char *t = NULL;
+
+        assert_se(unit_name_mangle(pattern, allow_globs, &t) == ret);
+        puts(strna(t));
+        assert_se(streq_ptr(t, expect));
+
+        if (t) {
+                _cleanup_free_ char *k = NULL;
+
+                assert_se(unit_name_is_valid(t, UNIT_NAME_ANY) ||
+                          (allow_globs == UNIT_NAME_GLOB && string_is_glob(t)));
+
+                assert_se(unit_name_mangle(t, allow_globs, &k) == 0);
+                assert_se(streq_ptr(t, k));
+        }
+}
+
+static void test_unit_name_mangle(void) {
+        puts("-------------------------------------------------");
+        test_unit_name_mangle_one(UNIT_NAME_NOGLOB, "foo.service", "foo.service", 0);
+        test_unit_name_mangle_one(UNIT_NAME_NOGLOB, "/home", "home.mount", 1);
+        test_unit_name_mangle_one(UNIT_NAME_NOGLOB, "/dev/sda", "dev-sda.device", 1);
+        test_unit_name_mangle_one(UNIT_NAME_NOGLOB, "üxknürz.service", "\\xc3\\xbcxkn\\xc3\\xbcrz.service", 1);
+        test_unit_name_mangle_one(UNIT_NAME_NOGLOB, "foobar-meh...waldi.service", "foobar-meh...waldi.service", 0);
+        test_unit_name_mangle_one(UNIT_NAME_NOGLOB, "_____####----.....service", "_____\\x23\\x23\\x23\\x23----.....service", 1);
+        test_unit_name_mangle_one(UNIT_NAME_NOGLOB, "_____##@;;;,,,##----.....service", "_____\\x23\\x23@\\x3b\\x3b\\x3b\\x2c\\x2c\\x2c\\x23\\x23----.....service", 1);
+        test_unit_name_mangle_one(UNIT_NAME_NOGLOB, "xxx@@@@/////\\\\\\\\\\yyy.service", "xxx@@@@-----\\\\\\\\\\yyy.service", 1);
+        test_unit_name_mangle_one(UNIT_NAME_NOGLOB, "", NULL, -EINVAL);
+
+        test_unit_name_mangle_one(UNIT_NAME_GLOB, "foo.service", "foo.service", 0);
+        test_unit_name_mangle_one(UNIT_NAME_GLOB, "foo", "foo.service", 1);
+        test_unit_name_mangle_one(UNIT_NAME_GLOB, "foo*", "foo*", 0);
+        test_unit_name_mangle_one(UNIT_NAME_GLOB, "ü*", "\\xc3\\xbc*", 1);
+}
+
+static int test_unit_printf(void) {
+        Manager *m = NULL;
+        Unit *u, *u2;
+        int r;
+
+        _cleanup_free_ char *mid = NULL, *bid = NULL, *host = NULL, *uid = NULL, *user = NULL, *shell = NULL, *home = NULL;
+
+        assert_se(specifier_machine_id('m', NULL, NULL, &mid) >= 0 && mid);
+        assert_se(specifier_boot_id('b', NULL, NULL, &bid) >= 0 && bid);
+        assert_se(host = gethostname_malloc());
+        assert_se(user = getusername_malloc());
+        assert_se(asprintf(&uid, UID_FMT, getuid()));
+        assert_se(get_home_dir(&home) >= 0);
+        assert_se(get_shell(&shell) >= 0);
+
+        r = manager_new(UNIT_FILE_USER, MANAGER_TEST_RUN_MINIMAL, &m);
+        if (MANAGER_SKIP_TEST(r)) {
+                log_notice_errno(r, "Skipping test: manager_new: %m");
+                return EXIT_TEST_SKIP;
+        }
+        assert_se(r == 0);
+
+#define expect(unit, pattern, expected)                                 \
+        {                                                               \
+                char *e;                                                \
+                _cleanup_free_ char *t = NULL;                          \
+                assert_se(unit_full_printf(unit, pattern, &t) >= 0);    \
+                printf("result: %s\nexpect: %s\n", t, expected);        \
+                if ((e = endswith(expected, "*")))                      \
+                        assert_se(strncmp(t, e, e-expected));              \
+                else                                                    \
+                        assert_se(streq(t, expected));                     \
+        }
+
+        assert_se(u = unit_new(m, sizeof(Service)));
+        assert_se(unit_add_name(u, "blah.service") == 0);
+        assert_se(unit_add_name(u, "blah.service") == 0);
+
+        /* general tests */
+        expect(u, "%%", "%");
+        expect(u, "%%s", "%s");
+        expect(u, "%,", "%,");
+        expect(u, "%", "%");
+
+        /* normal unit */
+        expect(u, "%n", "blah.service");
+        expect(u, "%f", "/blah");
+        expect(u, "%N", "blah");
+        expect(u, "%p", "blah");
+        expect(u, "%P", "blah");
+        expect(u, "%i", "");
+        expect(u, "%u", user);
+        expect(u, "%U", uid);
+        expect(u, "%h", home);
+        expect(u, "%m", mid);
+        expect(u, "%b", bid);
+        expect(u, "%H", host);
+        expect(u, "%t", "/run/user/*");
+
+        /* templated */
+        assert_se(u2 = unit_new(m, sizeof(Service)));
+        assert_se(unit_add_name(u2, "blah@foo-foo.service") == 0);
+        assert_se(unit_add_name(u2, "blah@foo-foo.service") == 0);
+
+        expect(u2, "%n", "blah@foo-foo.service");
+        expect(u2, "%N", "blah@foo-foo");
+        expect(u2, "%f", "/foo/foo");
+        expect(u2, "%p", "blah");
+        expect(u2, "%P", "blah");
+        expect(u2, "%i", "foo-foo");
+        expect(u2, "%I", "foo/foo");
+        expect(u2, "%u", user);
+        expect(u2, "%U", uid);
+        expect(u2, "%h", home);
+        expect(u2, "%m", mid);
+        expect(u2, "%b", bid);
+        expect(u2, "%H", host);
+        expect(u2, "%t", "/run/user/*");
+
+        manager_free(m);
+#undef expect
+
+        return 0;
+}
 
-        assert_se(t = unit_name_mangle("üxknürz.service"));
-        assert_se(k = unit_name_mangle(t));
-        puts(t);
-        assert_se(streq(t, k));
+static void test_unit_instance_is_valid(void) {
+        assert_se(unit_instance_is_valid("fooBar"));
+        assert_se(unit_instance_is_valid("foo-bar"));
+        assert_se(unit_instance_is_valid("foo.stUff"));
+        assert_se(unit_instance_is_valid("fOo123.stuff"));
+        assert_se(unit_instance_is_valid("@f_oo123.Stuff"));
+
+        assert_se(!unit_instance_is_valid("$¢£"));
+        assert_se(!unit_instance_is_valid(""));
+        assert_se(!unit_instance_is_valid("foo bar"));
+        assert_se(!unit_instance_is_valid("foo/bar"));
+}
+
+static void test_unit_prefix_is_valid(void) {
+        assert_se(unit_prefix_is_valid("fooBar"));
+        assert_se(unit_prefix_is_valid("foo-bar"));
+        assert_se(unit_prefix_is_valid("foo.stUff"));
+        assert_se(unit_prefix_is_valid("fOo123.stuff"));
+        assert_se(unit_prefix_is_valid("foo123.Stuff"));
+
+        assert_se(!unit_prefix_is_valid("$¢£"));
+        assert_se(!unit_prefix_is_valid(""));
+        assert_se(!unit_prefix_is_valid("foo bar"));
+        assert_se(!unit_prefix_is_valid("foo/bar"));
+        assert_se(!unit_prefix_is_valid("@foo-bar"));
+}
+
+static void test_unit_name_change_suffix(void) {
+        char *t;
+
+        assert_se(unit_name_change_suffix("foo.mount", ".service", &t) == 0);
+        assert_se(streq(t, "foo.service"));
         free(t);
-        free(k);
 
-        assert_se(t = unit_name_mangle("foobar-meh...waldi.service"));
-        assert_se(k = unit_name_mangle(t));
-        puts(t);
-        assert_se(streq(t, k));
+        assert_se(unit_name_change_suffix("foo@stuff.service", ".socket", &t) == 0);
+        assert_se(streq(t, "foo@stuff.socket"));
         free(t);
-        free(k);
+}
+
+static void test_unit_name_build(void) {
+        char *t;
 
-        assert_se(t = unit_name_mangle("_____####----.....service"));
-        assert_se(k = unit_name_mangle(t));
-        puts(t);
-        assert_se(streq(t, k));
+        assert_se(unit_name_build("foo", "bar", ".service", &t) == 0);
+        assert_se(streq(t, "foo@bar.service"));
         free(t);
-        free(k);
 
-        assert_se(t = unit_name_mangle("_____##@;;;,,,##----.....service"));
-        assert_se(k = unit_name_mangle(t));
-        puts(t);
-        assert_se(streq(t, k));
+        assert_se(unit_name_build("fo0-stUff_b", "bar", ".mount", &t) == 0);
+        assert_se(streq(t, "fo0-stUff_b@bar.mount"));
         free(t);
-        free(k);
 
-        assert_se(t = unit_name_mangle("xxx@@@@/////\\\\\\\\\\yyy.service"));
-        assert_se(k = unit_name_mangle(t));
-        puts(t);
-        assert_se(streq(t, k));
+        assert_se(unit_name_build("foo", NULL, ".service", &t) == 0);
+        assert_se(streq(t, "foo.service"));
         free(t);
-        free(k);
+}
 
-        return 0;
+static void test_slice_name_is_valid(void) {
+        assert_se(slice_name_is_valid("-.slice"));
+        assert_se(slice_name_is_valid("foo.slice"));
+        assert_se(slice_name_is_valid("foo-bar.slice"));
+        assert_se(slice_name_is_valid("foo-bar-baz.slice"));
+        assert_se(!slice_name_is_valid("-foo-bar-baz.slice"));
+        assert_se(!slice_name_is_valid("foo-bar-baz-.slice"));
+        assert_se(!slice_name_is_valid("-foo-bar-baz-.slice"));
+        assert_se(!slice_name_is_valid("foo-bar--baz.slice"));
+        assert_se(!slice_name_is_valid("foo--bar--baz.slice"));
+        assert_se(!slice_name_is_valid(".slice"));
+        assert_se(!slice_name_is_valid(""));
+        assert_se(!slice_name_is_valid("foo.service"));
+}
+
+static void test_build_subslice(void) {
+        char *a;
+        char *b;
+
+        assert_se(slice_build_subslice("-.slice", "foo", &a) >= 0);
+        assert_se(slice_build_subslice(a, "bar", &b) >= 0);
+        free(a);
+        assert_se(slice_build_subslice(b, "barfoo", &a) >= 0);
+        free(b);
+        assert_se(slice_build_subslice(a, "foobar", &b) >= 0);
+        free(a);
+        assert_se(streq(b, "foo-bar-barfoo-foobar.slice"));
+        free(b);
+
+        assert_se(slice_build_subslice("foo.service", "bar", &a) < 0);
+        assert_se(slice_build_subslice("foo", "bar", &a) < 0);
+}
+
+static void test_build_parent_slice_one(const char *name, const char *expect, int ret) {
+        _cleanup_free_ char *s = NULL;
+
+        assert_se(slice_build_parent_slice(name, &s) == ret);
+        assert_se(streq_ptr(s, expect));
+}
+
+static void test_build_parent_slice(void) {
+        test_build_parent_slice_one("-.slice", NULL, 0);
+        test_build_parent_slice_one("foo.slice", "-.slice", 1);
+        test_build_parent_slice_one("foo-bar.slice", "foo.slice", 1);
+        test_build_parent_slice_one("foo-bar-baz.slice", "foo-bar.slice", 1);
+        test_build_parent_slice_one("foo-bar--baz.slice", NULL, -EINVAL);
+        test_build_parent_slice_one("-foo-bar.slice", NULL, -EINVAL);
+        test_build_parent_slice_one("foo-bar-.slice", NULL, -EINVAL);
+        test_build_parent_slice_one("foo-bar.service", NULL, -EINVAL);
+        test_build_parent_slice_one(".slice", NULL, -EINVAL);
+}
+
+static void test_unit_name_to_instance(void) {
+        char *instance;
+        int r;
+
+        r = unit_name_to_instance("foo@bar.service", &instance);
+        assert_se(r >= 0);
+        assert_se(streq(instance, "bar"));
+        free(instance);
+
+        r = unit_name_to_instance("foo@.service", &instance);
+        assert_se(r >= 0);
+        assert_se(streq(instance, ""));
+        free(instance);
+
+        r = unit_name_to_instance("fo0-stUff_b@b.service", &instance);
+        assert_se(r >= 0);
+        assert_se(streq(instance, "b"));
+        free(instance);
+
+        r = unit_name_to_instance("foo.service", &instance);
+        assert_se(r == 0);
+        assert_se(!instance);
+
+        r = unit_name_to_instance("fooj@unk", &instance);
+        assert_se(r < 0);
+
+        r = unit_name_to_instance("foo@", &instance);
+        assert_se(r < 0);
+}
+
+static void test_unit_name_escape(void) {
+        _cleanup_free_ char *r;
+
+        r = unit_name_escape("ab+-c.a/bc@foo.service");
+        assert_se(r);
+        assert_se(streq(r, "ab\\x2b\\x2dc.a-bc\\x40foo.service"));
+}
+
+
+static void test_u_n_t_one(const char *name, const char *expected, int ret) {
+        _cleanup_free_ char *f = NULL;
+
+        assert_se(unit_name_template(name, &f) == ret);
+        printf("got: %s, expected: %s\n", strna(f), strna(expected));
+        assert_se(streq_ptr(f, expected));
+}
+
+static void test_unit_name_template(void) {
+        test_u_n_t_one("foo@bar.service", "foo@.service", 0);
+        test_u_n_t_one("foo.mount", NULL, -EINVAL);
+}
+
+static void test_unit_name_path_unescape_one(const char *name, const char *path, int ret) {
+        _cleanup_free_ char *p = NULL;
+
+        assert_se(unit_name_path_unescape(name, &p) == ret);
+        assert_se(streq_ptr(path, p));
+}
+
+static void test_unit_name_path_unescape(void) {
+
+        test_unit_name_path_unescape_one("foo", "/foo", 0);
+        test_unit_name_path_unescape_one("foo-bar", "/foo/bar", 0);
+        test_unit_name_path_unescape_one("foo-.bar", "/foo/.bar", 0);
+        test_unit_name_path_unescape_one("foo-bar-baz", "/foo/bar/baz", 0);
+        test_unit_name_path_unescape_one("-", "/", 0);
+        test_unit_name_path_unescape_one("--", NULL, -EINVAL);
+        test_unit_name_path_unescape_one("-foo-bar", NULL, -EINVAL);
+        test_unit_name_path_unescape_one("foo--bar", NULL, -EINVAL);
+        test_unit_name_path_unescape_one("foo-bar-", NULL, -EINVAL);
+        test_unit_name_path_unescape_one(".-bar", NULL, -EINVAL);
+        test_unit_name_path_unescape_one("foo-..", NULL, -EINVAL);
+        test_unit_name_path_unescape_one("", NULL, -EINVAL);
+}
+
+int main(int argc, char* argv[]) {
+        _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
+        int r, rc = 0;
+
+        log_parse_environment();
+        log_open();
+
+        r = enter_cgroup_subroot();
+        if (r == -ENOMEDIUM) {
+                log_notice_errno(r, "Skipping test: cgroupfs not available");
+                return EXIT_TEST_SKIP;
+        }
+
+        assert_se(runtime_dir = setup_fake_runtime_dir());
+
+        test_unit_name_is_valid();
+        test_unit_name_replace_instance();
+        test_unit_name_from_path();
+        test_unit_name_from_path_instance();
+        test_unit_name_mangle();
+        test_unit_name_to_path();
+        TEST_REQ_RUNNING_SYSTEMD(rc = test_unit_printf());
+        test_unit_instance_is_valid();
+        test_unit_prefix_is_valid();
+        test_unit_name_change_suffix();
+        test_unit_name_build();
+        test_slice_name_is_valid();
+        test_build_subslice();
+        test_build_parent_slice();
+        test_unit_name_to_instance();
+        test_unit_name_escape();
+        test_unit_name_template();
+        test_unit_name_path_unescape();
+
+        return rc;
 }