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-rw-r--r--src/test/test-install-root.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/test/test-install-root.c b/src/test/test-install-root.c
index bc4206a1b0..2138655e29 100644
--- a/src/test/test-install-root.c
+++ b/src/test/test-install-root.c
@@ -630,6 +630,57 @@ static void test_preset_and_list(const char *root) {
assert_se(got_yes && got_no);
}
+static void test_revert(const char *root) {
+ const char *p;
+ UnitFileState state;
+ UnitFileChange *changes = NULL;
+ unsigned n_changes = 0;
+
+ assert(root);
+
+ assert_se(unit_file_get_state(UNIT_FILE_SYSTEM, root, "xx.service", NULL) == -ENOENT);
+ assert_se(unit_file_get_state(UNIT_FILE_SYSTEM, root, "yy.service", NULL) == -ENOENT);
+
+ p = strjoina(root, "/usr/lib/systemd/system/xx.service");
+ assert_se(write_string_file(p, "# Empty\n", WRITE_STRING_FILE_CREATE) >= 0);
+
+ assert_se(unit_file_get_state(UNIT_FILE_SYSTEM, root, "xx.service", NULL) >= 0);
+ assert_se(unit_file_get_state(UNIT_FILE_SYSTEM, root, "xx.service", &state) >= 0 && state == UNIT_FILE_STATIC);
+
+ /* Initially there's nothing to revert */
+ assert_se(unit_file_revert(UNIT_FILE_SYSTEM, root, STRV_MAKE("xx.service"), &changes, &n_changes) >= 0);
+ assert_se(n_changes == 0);
+ unit_file_changes_free(changes, n_changes);
+ changes = NULL; n_changes = 0;
+
+ p = strjoina(root, SYSTEM_CONFIG_UNIT_PATH"/xx.service");
+ assert_se(write_string_file(p, "# Empty override\n", WRITE_STRING_FILE_CREATE) >= 0);
+
+ /* Revert the override file */
+ assert_se(unit_file_revert(UNIT_FILE_SYSTEM, root, STRV_MAKE("xx.service"), &changes, &n_changes) >= 0);
+ assert_se(n_changes == 1);
+ assert_se(changes[0].type == UNIT_FILE_UNLINK);
+ assert_se(streq(changes[0].path, p));
+ unit_file_changes_free(changes, n_changes);
+ changes = NULL; n_changes = 0;
+
+ p = strjoina(root, SYSTEM_CONFIG_UNIT_PATH"/xx.service.d/dropin.conf");
+ assert_se(mkdir_parents(p, 0755) >= 0);
+ assert_se(write_string_file(p, "# Empty dropin\n", WRITE_STRING_FILE_CREATE) >= 0);
+
+ /* Revert the dropin file */
+ assert_se(unit_file_revert(UNIT_FILE_SYSTEM, root, STRV_MAKE("xx.service"), &changes, &n_changes) >= 0);
+ assert_se(n_changes == 2);
+ assert_se(changes[0].type == UNIT_FILE_UNLINK);
+ assert_se(streq(changes[0].path, p));
+
+ p = strjoina(root, SYSTEM_CONFIG_UNIT_PATH"/xx.service.d");
+ assert_se(changes[1].type == UNIT_FILE_UNLINK);
+ assert_se(streq(changes[1].path, p));
+ unit_file_changes_free(changes, n_changes);
+ changes = NULL; n_changes = 0;
+}
+
int main(int argc, char *argv[]) {
char root[] = "/tmp/rootXXXXXX";
const char *p;
@@ -658,6 +709,7 @@ int main(int argc, char *argv[]) {
test_template_enable(root);
test_indirect(root);
test_preset_and_list(root);
+ test_revert(root);
assert_se(rm_rf(root, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);