cmocka:Add automated testing framework cmocka in testing

Signed-off-by: yintao <yintao@xiaomi.com>

testing/cmocka/Kconfig

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+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+config TESTING_CMOCKA
+	tristate "Enable libcmocka"
+	default n
+	---help---
+		Enable libcmocka and run all testcases
+
+if TESTING_CMOCKA
+
+config TESTING_CMOCKA_PROGNAME
+	string "Program name"
+	default "cmocka"
+	---help---
+		This is the name of the program that will be used when the NSH ELF
+		program is installed.
+
+config TESTING_CMOCKA_PRIORITY
+	int "cmocka test task priority"
+	default 100
+
+config TESTING_CMOCKA_STACKSIZE
+	int "cmocka test stack size"
+	default  DEFAULT_TASK_STACKSIZE
+
+endif

testing/cmocka/Make.defs

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+############################################################################
+# apps/testing/cmocka/Make.defs
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you 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.
+#
+############################################################################
+
+ifneq ($(CONFIG_TESTING_CMOCKA),)
+CONFIGURED_APPS += $(APPDIR)/testing/cmocka
+CFLAGS += ${INCDIR_PREFIX}$(APPDIR)/testing/cmocka/cmocka/include
+CXXFLAGS += ${INCDIR_PREFIX}$(APPDIR)/testing/cmocka/cmocka/include
+endif

testing/cmocka/Makefile

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+############################################################################
+# apps/testing/cmocka/Makefile
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you 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 $(APPDIR)/Make.defs
+
+CSRCS += $(wildcard cmocka/src/*.c)
+CFLAGS += -Dprint_error=nx_print_error
+
+PROGNAME  = $(CONFIG_TESTING_CMOCKA_PROGNAME)
+PRIORITY  = $(CONFIG_TESTING_CMOCKA_PRIORITY)
+STACKSIZE = $(CONFIG_TESTING_CMOCKA_STACKSIZE)
+MODULE    = $(CONFIG_TESTING_CMOCKA)
+
+MAINSRC = $(CURDIR)/cmocka_main.c
+
+# Download and unpack tarball if no git repo found
+ifeq ($(wildcard cmocka/.git),)
+VERSION ?= 1.1.5
+cmocka.zip:
+	$(Q) curl -L https://github.com/clibs/cmocka/archive/cmocka-$(VERSION).zip -o cmocka.zip
+	$(Q) unzip -o cmocka.zip
+	$(Q) mv cmocka-cmocka-$(VERSION) cmocka
+
+context:: cmocka.zip
+
+distclean::
+	$(call DELDIR, cmocka)
+	$(call DELFILE, cmocka.zip)
+
+endif
+
+include $(APPDIR)/Application.mk

testing/cmocka/cmocka_main.c

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+/****************************************************************************
+ * apps/testing/cmocka/cmocka_main.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <sched.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <stdint.h>
+#include <cmocka.h>
+#include <sys/wait.h>
+
+#include <builtin/builtin.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * cmocka_main
+ ****************************************************************************/
+
+int main(int argc, FAR char *argv[])
+{
+  const char prefix[] = CONFIG_TESTING_CMOCKA_PROGNAME"_";
+  FAR const struct builtin_s *builtin;
+  int len = strlen(prefix);
+  FAR char *bypass[argc];
+  FAR char *cases[argc];
+  FAR char *skip[argc];
+  int num_bypass = 1;
+  int num_cases = 0;
+  int num_skip = 0;
+  int ret;
+  int i;
+  int j;
+
+  if (strlen(argv[0]) < len - 1 ||
+      strncmp(argv[0], prefix, len - 1))
+    {
+      return 0;
+    }
+
+  memset(cases, 0, sizeof(cases));
+  memset(skip, 0, sizeof(skip));
+  memset(bypass, 0, sizeof(bypass));
+
+  for (i = 1; i < argc; i++)
+    {
+      if (strcmp("--case", argv[i]) == 0)
+        {
+          cases[num_cases++] = argv[++i];
+        }
+      else if (strcmp("--skip", argv[i]) == 0)
+        {
+          skip[num_skip++] = argv[++i];
+        }
+      else
+        {
+          bypass[num_bypass++] = argv[i];
+        }
+    }
+
+  cmocka_set_skip_filter(NULL);
+  for (i = 0; skip[i]; i++)
+    {
+      cmocka_set_skip_filter(skip[i]);
+    }
+
+  for (i = 0; (builtin = builtin_for_index(i)) != NULL; i++)
+    {
+      if (builtin->main == NULL ||
+          strlen(builtin->name) < len ||
+          strncmp(builtin->name, prefix, len))
+        {
+          continue;
+        }
+
+      for (j = 0; cases[j]; j++)
+        {
+          if (strncmp(builtin->name + len,
+                cases[j], strlen(cases[j])) == 0)
+            {
+              break;
+            }
+        }
+
+      if (j && cases[j] == NULL)
+        {
+          continue;
+        }
+
+      bypass[0] = (FAR char *)builtin->name;
+      ret = exec_builtin(builtin->name, bypass, NULL, 0);
+      if (ret >= 0)
+        {
+          waitpid(ret, &ret, WUNTRACED);
+        }
+    }
+
+  return 0;
+}