test-gpt: add test that shows for which archs we have GPT partition types

src/test/meson.build

@@ -435,6 +435,8 @@ tests += [
 
         [['src/test/test-architecture.c']],
 
+        [['src/test/test-gpt.c']],
+
         [['src/test/test-log.c']],
 
         [['src/test/test-ipcrm.c'],

src/test/test-gpt.c

@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "architecture.h"
+#include "glyph-util.h"
+#include "gpt.h"
+#include "log.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "tests.h"
+#include "util.h"
+
+static void test_gpt_types_against_architectures(void) {
+        const char *prefix;
+        int r;
+
+        log_info("/* %s */", __func__);
+
+        /* Dumps a table indicating for which architectures we know we have matching GPT partition
+         * types. Also validates whether we can properly categorize the entries. */
+
+        FOREACH_STRING(prefix, "root-", "usr-") {
+                for (int a = 0; a < _ARCHITECTURE_MAX; a++) {
+                        const char *suffix;
+
+                        FOREACH_STRING(suffix, "", "-verity", "-verity-sig") {
+                                _cleanup_free_ char *joined = NULL;
+                                sd_id128_t id;
+
+                                joined = strjoin(prefix, architecture_to_string(a), suffix);
+                                if (!joined)
+                                        return (void) log_oom();
+
+                                r = gpt_partition_type_uuid_from_string(joined, &id);
+                                if (r < 0) {
+                                        printf("%s%s%s %s\n", ansi_highlight_red(), special_glyph(SPECIAL_GLYPH_CROSS_MARK), ansi_normal(), joined);
+                                        continue;
+                                }
+
+                                printf("%s%s%s %s\n", ansi_highlight_green(), special_glyph(SPECIAL_GLYPH_CHECK_MARK), ansi_normal(), joined);
+
+                                if (streq(prefix, "root-") && streq(suffix, ""))
+                                        assert_se(gpt_partition_type_is_root(id));
+                                if (streq(prefix, "root-") && streq(suffix, "-verity"))
+                                        assert_se(gpt_partition_type_is_root_verity(id));
+                                if (streq(prefix, "usr-") && streq(suffix, ""))
+                                        assert_se(gpt_partition_type_is_usr(id));
+                                if (streq(prefix, "usr-") && streq(suffix, "-verity"))
+                                        assert_se(gpt_partition_type_is_usr_verity(id));
+                        }
+                }
+        }
+}
+
+int main(int argc, char *argv[]) {
+
+        test_setup_logging(LOG_INFO);
+
+        test_gpt_types_against_architectures();
+
+        return 0;
+}