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#include "test.h"

#include <dirent.h>
#include <stdlib.h>
#include <string.h>

void test_location(const char *test_dir) {
	char *location_dir = malloc(strlen(test_dir) + 30);
	sprintf(location_dir, "%s/location", test_dir);
	DIR *dir = opendir(location_dir);
	if (!dir) {
		test_fail("Couldn't open test directory %s", location_dir);
		return;
	}
	struct dirent *ent;
	while ((ent = readdir(dir))) {
		const char *name = ent->d_name;
		if (strlen(name) >= strlen("x.locations.pom") &&
			strcmp(name + strlen(name) - strlen(".locations.pom"), ".locations.pom") == 0) {
			printf("Testing %s...\n",name);
			char *conf_path = malloc(strlen(location_dir) + strlen(name) + 30);
			char *loc_path = malloc(strlen(location_dir) + strlen(name) + 30);
			sprintf(conf_path, "%s/%.*s.pom", location_dir,
				(int)(strlen(name) - strlen(".locations.pom")), name);
			sprintf(loc_path, "%s/%s", location_dir, name);
			pom_error *error;
			pom_conf *conf = pom_load_path(NULL, conf_path, &error);
			if (error) {
				test_fail("Failed to parse %s\n%s", conf_path,
					pom_error_to_string(error));
				continue;
			}
			pom_conf *loc = pom_load_path(NULL, loc_path, &error);
			if (error) {
				test_fail("Failed to parse %s\n%s", loc_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(loc, item->key)) {
					test_fail("%s has key '%s' but %s doesn't",
						conf_path, item->key, loc_path);
				}
			}
			while ((item = pom_conf_next_item(loc, &iter))) {
				const char *file;
				uint64_t line;
				if (!pom_conf_location(conf, item->key, &file, &line)) {
					test_fail("%s has key '%s' but %s doesn't",
						loc_path, item->key, conf_path);
					continue;
				}
				if (strcmp(file, conf_path) != 0) {
					test_fail("Incorrect file name in location of '%s' (expected %s, got %s)",
						item->key, conf_path, file);
				}
				if ((uint64_t)atol(item->value) != line) {
					test_fail("Incorrect line number in location of '%s' (expected %ld, got %ld)",
						item->key, atol(item->value), (long)line);
				}
			}
			pom_conf_free(conf);
			pom_conf_free(loc);
			free(conf_path);
			free(loc_path);
		}
	}
	closedir(dir);
	free(location_dir);
}