Add the ability to select tests to run

task_test [-t <test_name>]

lib/isc/Makefile.am

@@ -16,6 +16,7 @@ libisc_la_HEADERS =			\
 	include/isc/bind9.h		\
 	include/isc/buffer.h		\
 	include/isc/bufferlist.h	\
+	include/isc/cmocka.h		\
 	include/isc/commandline.h	\
 	include/isc/counter.h		\
 	include/isc/crc64.h		\

lib/isc/include/isc/cmocka.h

+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file isc/cmocka.h */
+
+#pragma once
+
+#include <cmocka.h>
+
+#include <isc/lang.h>
+
+ISC_LANG_BEGINDECLS
+
+/*
+ * Copy the test identified by 'name' from 'tests' to 'selected'.
+ */
+#define cmocka_add_test_byname(tests, name, selected)                          \
+	_cmocka_add_test_byname(tests, sizeof(tests) / sizeof(tests[0]), name, \
+				selected,                                      \
+				sizeof(selected) / sizeof(selected[0]))
+
+static inline bool
+_cmocka_add_test_byname(const struct CMUnitTest *tests, size_t ntests,
+			const char *name, struct CMUnitTest *selected,
+			size_t nselected) {
+	size_t i, j;
+
+	for (i = 0; i < ntests && tests[i].name != NULL; i++) {
+		if (strcmp(tests[i].name, name) != 0) {
+			continue;
+		}
+		for (j = 0; j < nselected && selected[j].name != NULL; j++) {
+			if (strcmp(tests[j].name, name) == 0) {
+				break;
+			}
+		}
+		if (j < nselected && selected[j].name == NULL) {
+			selected[j] = tests[i];
+		}
+		return (true);
+	}
+	return (false);
+}
+
+ISC_LANG_ENDDECLS

lib/isc/tests/task_test.c

@@ -22,9 +22,9 @@
 #include <unistd.h>
 
 #define UNIT_TESTING
-#include <cmocka.h>
 
 #include <isc/atomic.h>
+#include <isc/cmocka.h>
 #include <isc/commandline.h>
 #include <isc/condition.h>
 #include <isc/mem.h>
@@ -1549,10 +1549,22 @@ main(int argc, char **argv) {
 		cmocka_unit_test_setup_teardown(task_exclusive, _setup4,
 						_teardown),
 	};
+	struct CMUnitTest selected[sizeof(tests) / sizeof(tests[0])];
 	int c;
 
-	while ((c = isc_commandline_parse(argc, argv, "v")) != -1) {
+	memset(selected, 0, sizeof(selected));
+
+	while ((c = isc_commandline_parse(argc, argv, "t:v")) != -1) {
 		switch (c) {
+		case 't':
+			if (!cmocka_add_test_byname(
+				    tests, isc_commandline_argument, selected))
+			{
+				fprintf(stderr, "unknown test '%s'\n",
+					isc_commandline_argument);
+				exit(1);
+			}
+			break;
 		case 'v':
 			verbose = true;
 			break;
@@ -1561,7 +1573,11 @@ main(int argc, char **argv) {
 		}
 	}
 
-	return (cmocka_run_group_tests(tests, NULL, NULL));
+	if (selected[0].name != NULL) {
+		return (cmocka_run_group_tests(selected, NULL, NULL));
+	} else {
+		return (cmocka_run_group_tests(tests, NULL, NULL));
+	}
 }
 
 #else /* HAVE_CMOCKA */

util/copyrights

@@ -1791,6 +1791,7 @@
 ./lib/isc/include/isc/bind9.h			C	2009,2013,2016,2018,2019,2020
 ./lib/isc/include/isc/buffer.h			C	1998,1999,2000,2001,2002,2004,2005,2006,2007,2008,2010,2012,2014,2016,2017,2018,2019,2020
 ./lib/isc/include/isc/bufferlist.h		C	1999,2000,2001,2004,2005,2006,2007,2016,2018,2019,2020
+./lib/isc/include/isc/cmocka.h			C	2020
 ./lib/isc/include/isc/commandline.h		C	1999,2000,2001,2004,2005,2006,2007,2015,2016,2018,2019,2020
 ./lib/isc/include/isc/counter.h			C	2014,2016,2018,2019,2020
 ./lib/isc/include/isc/crc64.h			C	2013,2016,2018,2019,2020