example code and tests

src/CMakeLists.txt

@@ -0,0 +1,12 @@
+add_executable(main PUBLIC
+    main.c    
+)
+set_target_properties(main PROPERTIES VERSION 1.0 SOVERSION 1)
+target_include_directories(main PUBLIC
+    ${PROJECT_SOURCE_DIR}/inc
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+
+add_subdirectory(wrap)
+add_subdirectory(led_driver)

src/led_driver/CMakeLists.txt

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+add_library(led_driver STATIC
+    led_driver.c
+)
+
+target_include_directories(led_driver PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}
+)

src/led_driver/led_driver.c

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+#include "led_driver.h"
+
+uint8_t internal_led_state = 0x00;
+uint8_t *led_state = &internal_led_state;
+
+void init_led_driver(void)
+{
+    led_state = &internal_led_state;
+}
+
+uint8_t get_led_state(void)
+{
+    return *led_state;
+}
+
+void set_led_state(uint8_t state)
+{
+    *led_state = state;
+}
+
+

src/led_driver/led_driver.h

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+#ifndef LED_DRIVER
+#define LED_DRIVER
+
+#include <inttypes.h>
+//extern volatile uint8_t *led_state;
+
+
+uint8_t get_led_state(void);
+void set_led_state(uint8_t state);
+void init_led_driver(void);
+
+#endif

src/main.c

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+#include <stdio.h>
+#include <inttypes.h>
+
+
+
+int main(int argc, char **argv)
+{
+    printf("cmake functional\n");
+    return 0;
+} 

src/wrap/CMakeLists.txt

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+# An example for building and testing a shared library
+# that can also depends on another shared library
+
+
+set_target_properties(wrap PROPERTIES VERSION 1.0 SOVERSION 1)
+
+target_include_directories(camera_handler PUBLIC
+    ${PROJECT_SOURCE_DIR}/wrap/
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+add_library(wrap SHARED
+    wrap.c    
+)
+
+
+if(UNIT_TESTING)
+
+    # ############################# 
+    # Settings for the mocked lib
+    # ############################# 
+
+    set(WRAPPED_FUNCS "")
+    list(APPEND WRAPPED_FUNCS
+    "test_mock"
+	"arm_missiles"
+    "luanch_missiles"
+    )
+    set(WRAPPED_STR "")
+    list(JOIN WRAPPED_FUNCS ",--wrap=" WRAPPED_STR)
+    message("WRAPPED_STR:  ${WRAPPED_STR}")
+
+    set_target_properties(camera_handler
+            PROPERTIES
+            LINK_FLAGS  "-Wl,--wrap=${WRAPPED_STR}"
+    )
+
+else()
+    # Nothing for now
+endif()

tests/CMakeLists.txt

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+add_subdirectory(simple_test)
+add_subdirectory(wrap)

tests/led_driver/CMakeLists.txt

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+# The led_driver module tests
+list(APPEND TEST_LIBS "${CMOCKA_LIBRARIES}")
+list(APPEND TEST_LIBS led_driver)
+
+list(APPEND TEST_DIRS "${CMOCKA_INCLUDE_DIRS}")
+list(APPEND TEST_DIRS "${PROJECT_SOURCE_DIR}/src")
+
+add_cmocka_test(test_led_driver
+                SOURCES test_led_driver.c
+                COMPILE_OPTIONS ${DEFAULT_C_COMPILE_FLAGS}
+                LINK_LIBRARIES "${TEST_LIBS}")
+add_cmocka_test_environment(test_led_driver)
+target_include_directories(test_led_driver PUBLIC "${TEST_DIRS}")

tests/led_driver/test_led_driver.c

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+#include <stdarg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <setjmp.h>
+#include <cmocka.h>
+ 
+/* A test case that does nothing and succeeds. */
+static void null_test_success(void **state) {
+    (void) state; /* unused */
+}
+ 
+int main(void)
+{
+    const struct CMUnitTest tests[] = {
+        cmocka_unit_test(null_test_success),
+    }; 
+    return cmocka_run_group_tests(tests, NULL, NULL);
+}

tests/simple_test/CMakeLists.txt

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+# Test the logic for the PMG formating code 
+add_cmocka_test(test_pgm
+                SOURCES test_pgm.c
+                COMPILE_OPTIONS ${DEFAULT_C_COMPILE_FLAGS}
+                LINK_LIBRARIES "${CMOCKA_LIBRARIES}")
+add_cmocka_test_environment(test_pgm)
+target_include_directories(test_pgm PUBLIC "${CMOCKA_INCLUDE_DIRS}")

tests/simple_test/simple_test.c

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+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <stdint.h>
+#include <cmocka.h>
+
+/* A test case that does nothing and succeeds. */
+static void null_test_success(void **state) {
+    (void) state; /* unused */
+}
+
+int main(void)
+{
+    const struct CMUnitTest tests[] = {
+        cmocka_unit_test(null_test_success),
+    };
+
+return cmocka_run_group_tests(tests, NULL, NULL);
+}

tests/wrap/CMakeLists.txt

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+# The wrap module tests
+list(APPEND TEST_LIBS "${CMOCKA_LIBRARIES}")
+list(APPEND TEST_LIBS wrap)
+
+list(APPEND TEST_DIRS "${CMOCKA_INCLUDE_DIRS}")
+list(APPEND TEST_DIRS "${PROJECT_SOURCE_DIR}/src")
+
+add_cmocka_test(test_wrap
+                SOURCES test_wrap.c
+                COMPILE_OPTIONS ${DEFAULT_C_COMPILE_FLAGS}
+                LINK_LIBRARIES "${TEST_LIBS}")
+add_cmocka_test_environment(test_wrap)
+target_include_directories(test_wrap PUBLIC "${TEST_DIRS}")