ztest: Add simple integration and unit tests

These tests mainly test the stack whether it compiles and runs fine
under normal conditions. They do not test most failure conditions.

Origin: Original

Change-Id: Iaac73511a0664abd84685112b4e526eab3eb5748
Signed-off-by: Jaakko Hannikainen <jaakko.hannikainen@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>

tests/ztest/test/base/Makefile

@@ -0,0 +1,11 @@
+BOARD ?= qemu_x86
+
+ifneq ($(BOARD), unit_testing)
+	KERNEL_TYPE ?= nano
+	CONF_FILE ?= prj.conf
+
+	include $(ZEPHYR_BASE)/Makefile.inc
+else
+	OBJECTS = src/main.o
+	include $(ZEPHYR_BASE)/tests/unit/Makefile.unittest
+endif

tests/ztest/test/base/prj.conf

@@ -0,0 +1,2 @@
+CONFIG_ZTEST=y
+CONFIG_ZTEST_ASSERT_VERBOSE=1

tests/ztest/test/base/prj_verbose_0.conf

@@ -0,0 +1,2 @@
+CONFIG_ZTEST=y
+CONFIG_ZTEST_ASSERT_VERBOSE=0

tests/ztest/test/base/prj_verbose_1.conf

@@ -0,0 +1,2 @@
+CONFIG_ZTEST=y
+CONFIG_ZTEST_ASSERT_VERBOSE=1

tests/ztest/test/base/prj_verbose_2.conf

@@ -0,0 +1,2 @@
+CONFIG_ZTEST=y
+CONFIG_ZTEST_ASSERT_VERBOSE=2

tests/ztest/test/base/src/Makefile

@@ -0,0 +1,3 @@
+obj-y = main.o
+
+include $(ZEPHYR_BASE)/tests/Makefile.test

tests/ztest/test/base/src/main.c

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2016 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ztest.h>
+
+static void empty_test(void)
+{
+}
+
+static void assert_tests(void)
+{
+	assert_true(1, NULL);
+	assert_false(0, NULL);
+	assert_is_null(NULL, NULL);
+	assert_not_null("foo", NULL);
+	assert_equal(1, 1, NULL);
+	assert_equal_ptr(NULL, NULL, NULL);
+}
+
+void test_main(void)
+{
+	ztest_test_suite(framework_tests,
+			 ztest_unit_test(empty_test),
+			 ztest_unit_test(assert_tests)
+			 );
+
+	ztest_run_test_suite(framework_tests);
+}

tests/ztest/test/base/testcase.ini

@@ -0,0 +1,12 @@
+[test_verbose_0]
+tags = test_framework
+
+[test_verbose_1]
+tags = test_framework
+
+[test_verbose_2]
+tags = test_framework
+
+[test]
+type = unit
+tags = test_framework

tests/ztest/test/mock/Makefile

@@ -0,0 +1,11 @@
+BOARD ?= qemu_x86
+
+ifneq ($(BOARD), unit_testing)
+	KERNEL_TYPE ?= nano
+	CONF_FILE ?= prj.conf
+
+	include $(ZEPHYR_BASE)/Makefile.inc
+else
+	OBJECTS = src/main.o
+	include $(ZEPHYR_BASE)/tests/unit/Makefile.unittest
+endif

tests/ztest/test/mock/prj.conf

@@ -0,0 +1,4 @@
+CONFIG_ZTEST=y
+CONFIG_ZTEST_ASSERT_VERBOSE=1
+CONFIG_ZTEST_MOCKING=y
+CONFIG_ZTEST_PARAMETER_COUNT=5

tests/ztest/test/mock/src/Makefile

@@ -0,0 +1,3 @@
+obj-y = main.o
+
+include $(ZEPHYR_BASE)/tests/Makefile.test

tests/ztest/test/mock/src/main.c

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2016 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ztest.h>
+
+static void expect_one_parameter(int a)
+{
+	ztest_check_expected_value(a);
+}
+
+static void expect_two_parameters(int a, int b)
+{
+	ztest_check_expected_value(a);
+	ztest_check_expected_value(b);
+}
+
+static void parameter_tests(void)
+{
+	ztest_expect_value(expect_one_parameter, a, 1);
+	expect_one_parameter(1);
+
+	ztest_expect_value(expect_two_parameters, a, 2);
+	ztest_expect_value(expect_two_parameters, b, 3);
+	expect_two_parameters(2, 3);
+}
+
+static int returns_int(void)
+{
+	return ztest_get_return_value();
+}
+
+static void return_value_tests(void)
+{
+	ztest_returns_value(returns_int, 5);
+	assert_equal(returns_int(), 5, NULL);
+}
+
+void test_main(void)
+{
+	ztest_test_suite(mock_framework_tests,
+			 ztest_unit_test(parameter_tests),
+			 ztest_unit_test(return_value_tests)
+			 );
+
+	ztest_run_test_suite(mock_framework_tests);
+}

tests/ztest/test/mock/testcase.ini

@@ -0,0 +1,7 @@
+[test]
+tags = test_framework
+arch_whitelist = x86 arc
+
+[test_unit]
+type = unit
+tags = test_framework