transform: Add a few basic unit tests.

Makefile.am

@@ -424,6 +424,7 @@ tests_check_main_SOURCES = \
 	tests/check_input_all.c \
 	tests/check_input_binary.c \
 	tests/check_output_all.c \
+	tests/check_transform_all.c \
 	tests/check_session.c \
 	tests/check_strutil.c \
 	tests/check_version.c \

tests/check_main.c

@@ -38,6 +38,7 @@ int main(void)
 	srunner_add_suite(srunner, suite_input_all());
 	srunner_add_suite(srunner, suite_input_binary());
 	srunner_add_suite(srunner, suite_output_all());
+	srunner_add_suite(srunner, suite_transform_all());
 	srunner_add_suite(srunner, suite_session());
 	srunner_add_suite(srunner, suite_strutil());
 	srunner_add_suite(srunner, suite_version());

tests/check_transform_all.c

@@ -0,0 +1,116 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2015 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <stdlib.h>
+#include <check.h>
+#include "../include/libsigrok/libsigrok.h"
+#include "lib.h"
+
+/* Check whether at least one transform module is available. */
+START_TEST(test_transform_available)
+{
+	const struct sr_transform_module **transforms;
+
+	transforms = sr_transform_list();
+	fail_unless(transforms != NULL, "No transform modules found.");
+}
+END_TEST
+
+/* Check whether sr_transform_id_get() works. */
+START_TEST(test_transform_id)
+{
+	const struct sr_transform_module **transforms;
+	const char *id;
+
+	transforms = sr_transform_list();
+
+	id = sr_transform_id_get(transforms[0]);
+	fail_unless(id != NULL, "No ID found in transform module.");
+}
+END_TEST
+
+/* Check whether sr_transform_name_get() works. */
+START_TEST(test_transform_name)
+{
+	const struct sr_transform_module **transforms;
+	const char *name;
+
+	transforms = sr_transform_list();
+
+	name = sr_transform_name_get(transforms[0]);
+	fail_unless(name != NULL, "No name found in transform module.");
+}
+END_TEST
+
+/* Check whether sr_transform_description_get() works. */
+START_TEST(test_transform_desc)
+{
+	const struct sr_transform_module **transforms;
+	const char *desc;
+
+	transforms = sr_transform_list();
+
+	desc = sr_transform_description_get(transforms[0]);
+	fail_unless(desc != NULL, "No description found in transform module.");
+}
+END_TEST
+
+/* Check whether sr_transform_find() works. */
+START_TEST(test_transform_find)
+{
+	const struct sr_transform_module *tmod;
+	const char *id;
+
+	tmod = sr_transform_find("nop");
+	fail_unless(tmod != NULL, "Couldn't find the 'nop' transform module.");
+	id = sr_transform_id_get(tmod);
+	fail_unless(id != NULL, "No ID found in transform module.");
+	fail_unless(!strcmp(id, "nop"), "That is not the 'nop' module!");
+}
+END_TEST
+
+/* Check whether sr_transform_options_get() works. */
+START_TEST(test_transform_options)
+{
+	const struct sr_option **opt;
+
+	opt = sr_transform_options_get(sr_transform_find("nop"));
+	fail_unless(opt == NULL, "Transform module 'nop' doesn't have options.");
+}
+END_TEST
+
+Suite *suite_transform_all(void)
+{
+	Suite *s;
+	TCase *tc;
+
+	s = suite_create("transform-all");
+
+	tc = tcase_create("basic");
+	tcase_add_test(tc, test_transform_available);
+	tcase_add_test(tc, test_transform_id);
+	tcase_add_test(tc, test_transform_name);
+	tcase_add_test(tc, test_transform_desc);
+	tcase_add_test(tc, test_transform_find);
+	tcase_add_test(tc, test_transform_options);
+	suite_add_tcase(s, tc);
+
+	return s;
+}

tests/lib.h

@@ -45,6 +45,7 @@ Suite *suite_driver_all(void);
 Suite *suite_input_all(void);
 Suite *suite_input_binary(void);
 Suite *suite_output_all(void);
+Suite *suite_transform_all(void);
 Suite *suite_session(void);
 Suite *suite_strutil(void);
 Suite *suite_version(void);