Start tests

5 files changed, 116 insertions, 4 deletions

diff --git a/meson.build b/meson.build
index 3a09963..5fafc31 100644
--- a/meson.build
+++ b/meson.build
@@ -2,4 +2,6 @@ project('pom', 'c',
 	# Note: Only C99 is strictly needed
 	default_options: ['c_std=c23'])
 library('pom', 'pom.c')
-static_library('pom', 'pom.c')
+static_lib = static_library('pom', 'pom.c')
+tests = executable('tests', 'tests/main.c', 'tests/parsing.c', link_with: [static_lib])
+test('tests', tests)
diff --git a/pom.c b/pom.c
index 7ec6a65..dadcece 100644
--- a/pom.c
+++ b/pom.c
@@ -266,15 +266,14 @@ make_error(const char *file, uint64_t line, enum error_id id, ...) {
 		err->message = message;
 		char *string = strchr(message, '\0') + 1;
 		// no, GCC, string will not overlap with message.
-		#if __GNUC__ >= 4
+		#if !__clang__ && __GNUC__ >= 4
 		#pragma GCC diagnostic push
-		#pragma GCC diagnostic ignored "-Wunknown-warning-option"
 		#pragma GCC diagnostic ignored "-Wrestrict"
 		#endif
 		sprintf(string, "%s\n%s:%" PRIu64 ": %s\n",
 			get_error_message(ERROR_HEADER),
 			file, line, message);
-		#if __GNUC__ >= 4
+		#if !__clang__ && __GNUC__ >= 4
 		#pragma GCC diagnostic pop
 		#endif
 		err->string = string;
diff --git a/tests/main.c b/tests/main.c
new file mode 100644
index 0000000..7b791cd
--- /dev/null
+++ b/tests/main.c
@@ -0,0 +1,26 @@
+#include "test.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+
+static bool any_failure = false;
+
+void test_fail(const char *fmt, ...) {
+	any_failure = true;
+	fprintf(stderr, "\x1b[1m\x1b[91mFailure:\x1b[0m ");
+	va_list args;
+	va_start(args, fmt);
+	vfprintf(stderr, fmt, args);
+	va_end(args);
+	fprintf(stderr, "\n");
+}
+
+int main(void) {
+	const char *test_dir = "../tests";
+	test_parsing(test_dir);
+	if (any_failure) {
+		fprintf(stderr, "\x1b[1m\x1b[91mSome tests failed.\x1b[0m\n");
+	} else {
+		printf("\x1b[1m\x1b[92mAll tests OK\x1b[0m\n");
+	}
+}
diff --git a/tests/parsing.c b/tests/parsing.c
new file mode 100644
index 0000000..2b953db
--- /dev/null
+++ b/tests/parsing.c
@@ -0,0 +1,68 @@
+#include "test.h"
+
+#include <dirent.h>
+#include <stdlib.h>
+#include <string.h>
+
+void test_parsing(const char *test_dir) {
+	char *parsing_dir = malloc(strlen(test_dir) + 30);
+	sprintf(parsing_dir, "%s/parsing", test_dir);
+	DIR *dir = opendir(parsing_dir);
+	if (!dir) {
+		test_fail("Couldn't open test directory %s", test_dir);
+		return;
+	}
+	struct dirent *ent;
+	while ((ent = readdir(dir))) {
+		const char *name = ent->d_name;
+		if (strlen(name) >= strlen("x.flat.pom") &&
+			strcmp(name + strlen(name) - strlen(".flat.pom"), ".flat.pom") == 0) {
+			printf("Testing %s...\n",name);
+			char *conf_path = malloc(strlen(parsing_dir) + strlen(name) + 30);
+			char *flat_path = malloc(strlen(parsing_dir) + strlen(name) + 30);
+			sprintf(conf_path, "%s/parsing/%.*s.pom", test_dir,
+				(int)(strlen(name) - strlen(".flat.pom")), name);
+			sprintf(flat_path, "%s/parsing/%s", test_dir, name);
+			pom_error *error;
+			pom_conf *conf = pom_load_path(conf_path, &error);
+			if (error) {
+				test_fail("Failed to parse %s\n%s", conf_path,
+					pom_error_to_string(error));
+				continue;
+			}
+			pom_conf *flat = pom_load_path(flat_path, &error);
+			if (error) {
+				test_fail("Failed to parse %s\n%s", flat_path,
+					pom_error_to_string(error));
+				continue;
+			}
+			const pom_item *item;
+			pom_item_iter *iter = NULL;
+			while ((item = pom_conf_next_item(conf, &iter))) {
+				if (!pom_conf_has(flat, item->key)) {
+					test_fail("%s has key '%s' but %s doesn't",
+						conf_path, item->key, flat_path);
+				}
+			}
+			while ((item = pom_conf_next_item(flat, &iter))) {
+				const char *conf_value = pom_conf_get(conf, item->key);
+				if (!conf_value) {
+					test_fail("%s has key '%s' but %s doesn't",
+						flat_path, item->key, conf_path);
+				}
+				if (strcmp(conf_value, item->value) != 0) {
+					test_fail("Mismatch between %s and %s at key '%s'\n"
+						"expected: %s\n"
+						"     got: %s\n",
+						flat_path, conf_path, item->key, item->value, conf_value);
+				}
+			}
+			pom_conf_free(conf);
+			pom_conf_free(flat);
+			free(conf_path);
+			free(flat_path);
+		}
+	}
+	free(parsing_dir);
+//	pom_conf *conf = pom_load_path("../tests");
+}
diff --git a/tests/test.h b/tests/test.h
new file mode 100644
index 0000000..5e0b8e5
--- /dev/null
+++ b/tests/test.h
@@ -0,0 +1,17 @@
+#include <pom.h>
+
+
+#if __GNUC__ >= 6
+#define ATTRIBUTE_PRINTF(fmt, args) __attribute__ ((format(printf, fmt, args)))
+#else
+#define ATTRIBUTE_PRINTF(fmt, args)
+#endif
+
+#if _MSC_VER >= 1600
+#define PRINTF_FORMAT_STRING _Printf_format_string_
+#else
+#define PRINTF_FORMAT_STRING
+#endif
+
+void test_fail(PRINTF_FORMAT_STRING const char *, ...) ATTRIBUTE_PRINTF(1, 2);
+void test_parsing(const char *test_dir);