Enable dynamic BACnet POSIX files for example (#374)

* Enable dynamic BACnet POSIX files for example

* Add basic unit test for BACnet File object.

* Use example file pathname in demo app.

Co-authored-by: Steve Karg <skarg@users.sourceforge.net>

test/CMakeLists.txt

@@ -88,6 +88,7 @@ list(APPEND testdirs
   bacnet/basic/object/ai
   bacnet/basic/object/ao
   bacnet/basic/object/av
+  bacnet/basic/object/bacfile
   bacnet/basic/object/bi
   bacnet/basic/object/bo
   bacnet/basic/object/bv

test/bacnet/basic/object/bacfile/CMakeLists.txt

@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: MIT
+
+cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
+
+get_filename_component(basename ${CMAKE_CURRENT_SOURCE_DIR} NAME)
+project(test_${basename}
+	VERSION 1.0.0
+	LANGUAGES C)
+
+
+string(REGEX REPLACE
+    "/test/bacnet/[a-zA-Z_/-]*$"
+    "/src"
+    SRC_DIR
+    ${CMAKE_CURRENT_SOURCE_DIR})
+string(REGEX REPLACE
+    "/test/bacnet/[a-zA-Z_/-]*$"
+    "/test"
+    TST_DIR
+    ${CMAKE_CURRENT_SOURCE_DIR})
+set(ZTST_DIR "${TST_DIR}/ztest/src")
+
+add_compile_definitions(
+	BIG_ENDIAN=0
+	BACFILE=1
+	CONFIG_ZTEST=1
+	)
+
+include_directories(
+	${SRC_DIR}
+	${TST_DIR}/ztest/include
+	)
+
+add_executable(${PROJECT_NAME}
+    # File(s) under test
+	${SRC_DIR}/bacnet/basic/object/bacfile.c
+    # Support files and stubs (pathname alphabetical)
+	${SRC_DIR}/bacnet/arf.c
+	${SRC_DIR}/bacnet/awf.c
+	${SRC_DIR}/bacnet/bacapp.c
+	${SRC_DIR}/bacnet/bacdcode.c
+	${SRC_DIR}/bacnet/bacdevobjpropref.c
+	${SRC_DIR}/bacnet/bacint.c
+	${SRC_DIR}/bacnet/bacreal.c
+	${SRC_DIR}/bacnet/bacstr.c
+	${SRC_DIR}/bacnet/bactext.c
+	${SRC_DIR}/bacnet/basic/sys/bigend.c
+	${SRC_DIR}/bacnet/cov.c
+	${SRC_DIR}/bacnet/datetime.c
+	${SRC_DIR}/bacnet/basic/sys/days.c
+	${SRC_DIR}/bacnet/basic/sys/keylist.c
+	${SRC_DIR}/bacnet/indtext.c
+	${SRC_DIR}/bacnet/hostnport.c
+	${SRC_DIR}/bacnet/lighting.c
+	${SRC_DIR}/bacnet/memcopy.c
+	${SRC_DIR}/bacnet/timestamp.c
+	${SRC_DIR}/bacnet/wp.c
+	${SRC_DIR}/bacnet/weeklyschedule.c
+	${SRC_DIR}/bacnet/bactimevalue.c
+	${SRC_DIR}/bacnet/dailyschedule.c
+    # Test and test library files
+	./src/main.c
+	../mock/apdu_mock.c
+	../mock/device_mock.c
+	../mock/tsm_mock.c
+	${ZTST_DIR}/ztest_mock.c
+	${ZTST_DIR}/ztest.c
+	)

test/bacnet/basic/object/bacfile/src/main.c

@@ -0,0 +1,75 @@
+/**
+ * @file
+ * @brief Test for BACnet File object
+ * @author Steve Karg <skarg@users.sourceforge.net>
+ * @date January 2023
+ * @section LICENSE
+ *
+ * Copyright (C) 2022 Steve Karg <skarg@users.sourceforge.net>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+#include <ztest.h>
+#include <bacnet/basic/object/bacfile.h>
+
+/**
+ * @addtogroup bacnet_tests
+ * @{
+ */
+
+/**
+ * @brief Test
+ */
+static void test_BACnet_File_Object(void)
+{
+    uint8_t apdu[MAX_APDU] = { 0 };
+    int len = 0, test_len = 0;
+    BACNET_READ_PROPERTY_DATA rpdata = { 0 };
+    BACNET_APPLICATION_DATA_VALUE value = {0};
+    const int *required_property = NULL;
+    const uint32_t instance = 1;
+
+    bacfile_init();
+    bacfile_create(1);
+    rpdata.application_data = &apdu[0];
+    rpdata.application_data_len = sizeof(apdu);
+    rpdata.object_type = OBJECT_FILE;
+    rpdata.object_instance = instance;
+    rpdata.array_index = BACNET_ARRAY_ALL;
+
+    BACfile_Property_Lists(&required_property, NULL, NULL);
+    while ((*required_property) >= 0) {
+        rpdata.object_property = *required_property;
+        len = bacfile_read_property(&rpdata);
+        if (len < 0) {
+            printf("property %u: failed to read!\n",
+                (unsigned)rpdata.object_property);
+        }
+        zassert_true(len >= 0, NULL);
+        if (len >= 0) {
+            test_len = bacapp_decode_known_property(rpdata.application_data,
+                len, &value, rpdata.object_type, rpdata.object_property);
+            if (len != test_len) {
+                printf("property %u: failed to decode!\n",
+                    (unsigned)rpdata.object_property);
+            }
+            zassert_equal(len, test_len, NULL);
+        }
+        required_property++;
+    }
+
+    return;
+}
+/**
+ * @}
+ */
+
+
+void test_main(void)
+{
+    ztest_test_suite(bacfile_tests,
+     ztest_unit_test(test_BACnet_File_Object)
+     );
+
+    ztest_run_test_suite(bacfile_tests);
+}

test/bacnet/basic/object/mock/apdu_mock.c

@@ -0,0 +1,28 @@
+/**
+ * @file
+ * @brief mock APDU handler functions
+ * @author Steve Karg
+ * @date January 2023
+ *
+ * SPDX-License-Identifier: MIT
+ */
+#include <ztest.h>
+#include <bacnet/basic/service/h_apdu.h>
+
+uint16_t apdu_decode_confirmed_service_request(
+    uint8_t *apdu,
+    uint16_t apdu_len,
+    BACNET_CONFIRMED_SERVICE_DATA *service_data,
+    uint8_t *service_choice,
+    uint8_t **service_request,
+    uint16_t *service_request_len)
+{
+    (void)apdu;
+    (void)apdu_len;
+    (void)service_data;
+    (void)service_choice;
+    (void)service_request;
+    (void)service_request_len;
+
+    return 0;
+}

test/bacnet/basic/object/mock/tsm_mock.c

@@ -0,0 +1,26 @@
+/**
+ * @file
+ * @brief mock TSM handler functions
+ * @author Steve Karg
+ * @date January 2023
+ *
+ * SPDX-License-Identifier: MIT
+ */
+#include <ztest.h>
+#include <bacnet/basic/tsm/tsm.h>
+
+bool tsm_get_transaction_pdu(
+    uint8_t invokeID,
+    BACNET_ADDRESS * dest,
+    BACNET_NPDU_DATA * ndpu_data,
+    uint8_t * apdu,
+    uint16_t * apdu_len)
+{
+    (void)invokeID;
+    (void)dest;
+    (void)ndpu_data;
+    (void)apdu;
+    (void)apdu_len;
+
+    return false;
+}