test-specifier: add a simple test which prints "global" specifiers

...i.e. those which can be resolved without a context parameter.

1 files changed, 47 insertions, 1 deletions

diff --git a/src/test/test-specifier.c b/src/test/test-specifier.c
index a0ffdf6cb6..e81b12b418 100644
--- a/src/test/test-specifier.c
+++ b/src/test/test-specifier.c
@@ -3,6 +3,7 @@
 #include "alloc-util.h"
 #include "log.h"
 #include "specifier.h"
+#include "stdio-util.h"
 #include "string-util.h"
 #include "strv.h"
 #include "tests.h"
@@ -15,6 +16,8 @@ static void test_specifier_escape_one(const char *a, const char *b) {
 }
 
 static void test_specifier_escape(void) {
+        log_info("/* %s */", __func__);
+
         test_specifier_escape_one(NULL, NULL);
         test_specifier_escape_one("", "");
         test_specifier_escape_one("%", "%%");
@@ -31,12 +34,54 @@ static void test_specifier_escape_strv_one(char **a, char **b) {
 }
 
 static void test_specifier_escape_strv(void) {
+        log_info("/* %s */", __func__);
+
         test_specifier_escape_strv_one(NULL, NULL);
         test_specifier_escape_strv_one(STRV_MAKE(NULL), STRV_MAKE(NULL));
         test_specifier_escape_strv_one(STRV_MAKE(""), STRV_MAKE(""));
         test_specifier_escape_strv_one(STRV_MAKE("foo"), STRV_MAKE("foo"));
         test_specifier_escape_strv_one(STRV_MAKE("%"), STRV_MAKE("%%"));
-        test_specifier_escape_strv_one(STRV_MAKE("foo", "%", "foo%", "%foo", "foo%foo", "quux", "%%%"), STRV_MAKE("foo", "%%", "foo%%", "%%foo", "foo%%foo", "quux", "%%%%%%"));
+        test_specifier_escape_strv_one(STRV_MAKE("foo", "%", "foo%", "%foo", "foo%foo", "quux", "%%%"),
+                                       STRV_MAKE("foo", "%%", "foo%%", "%%foo", "foo%%foo", "quux", "%%%%%%"));
+}
+
+/* Any specifier functions which don't need an argument. */
+static const Specifier specifier_table[] = {
+        { 'm', specifier_machine_id,      NULL },
+        { 'b', specifier_boot_id,         NULL },
+        { 'H', specifier_host_name,       NULL },
+        { 'l', specifier_short_host_name, NULL },
+        { 'v', specifier_kernel_release,  NULL },
+        { 'a', specifier_architecture,    NULL },
+        { 'o', specifier_os_id,           NULL },
+        { 'w', specifier_os_version_id,   NULL },
+        { 'B', specifier_os_build_id,     NULL },
+        { 'W', specifier_os_variant_id,   NULL },
+
+        { 'g', specifier_group_name,      NULL },
+        { 'G', specifier_group_id,        NULL },
+        { 'U', specifier_user_id,         NULL },
+        { 'u', specifier_user_name,       NULL },
+        { 'h', specifier_user_home,       NULL },
+
+        { 'T', specifier_tmp_dir,         NULL },
+        { 'V', specifier_var_tmp_dir,     NULL },
+        {}
+};
+
+static void test_specifiers(void) {
+        log_info("/* %s */", __func__);
+
+        for (const Specifier *s = specifier_table; s->specifier; s++) {
+                char spec[3];
+                _cleanup_free_ char *resolved = NULL;
+
+                xsprintf(spec, "%%%c", s->specifier);
+
+                assert_se(specifier_printf(spec, specifier_table, NULL, &resolved) >= 0);
+
+                log_info("%%%c → %s", s->specifier, resolved);
+        }
 }
 
 int main(int argc, char *argv[]) {
@@ -44,6 +89,7 @@ int main(int argc, char *argv[]) {
 
         test_specifier_escape();
         test_specifier_escape_strv();
+        test_specifiers();
 
         return 0;
 }