# --------------
# Get the dependency
# --------------
include(FetchContent)
add_definitions(-DUNITY_INCLUDE_DOUBLE -DUNITY_DOUBLE_PRECISION=0.000001 -DUNITY_FLOAT_PRECISION=0.0001f)
FetchContent_Declare(
unity
GIT_REPOSITORY https://github.com/ThrowTheSwitch/Unity.git
GIT_TAG 860062d51b2e8a75d150337b63ca2a472840d13c #v2.6.0
)
FetchContent_MakeAvailable(unity)
# --------------
# SETUP
# --------------
set(TESTS_TARGET "some_tests")
set(TESTS_SOURCE_FILES)
list(APPEND TESTS_SOURCE_FILES
main.c
)
set(SUBPROJECT_TEST_SOURCE_FILES)
list(APPEND SUBPROJECT_TEST_SOURCE_FILES
lib1/lib1_tests.c
lib2/lib2_tests.c
)
add_executable(${TESTS_TARGET} "")
target_sources(${TESTS_TARGET}
PRIVATE
${TESTS_SOURCE_FILES}
${SUBPROJECT_TEST_SOURCE_FILES}
)
target_link_libraries(${TESTS_TARGET}
PRIVATE
unity::framework
)
# --------------
# Register
# --------------
# In order to run all the tests available, I wanted to automate this process
# during the configure time. The following commands basically:
# - collects the name of the test source files which has unity unit test functions
# make sure the files ends with _tests.c
file(GLOB_RECURSE TEST_FILES "${CMAKE_CURRENT_SOURCE_DIR}/**/*_tests.c")
# - Register all of the functions by generating test_functions.h with the
# function declerations to be included by the main.c
register_test_functions(TARGET ${_BELIK_TESTS_TARGET}
TEST_SOURCES ${TEST_FILES}
)
# Check TestUtils.cmake for details
# main.c runs all the tests registered in test_functions.h
# --------------
# CTEST
# --------------
# CTest Setup
set(TEST_NAME "belik_hydroelas_core_tests")
add_test( ${TEST_NAME} COMMAND ${TESTS_TARGET})
// some_tests.c
#include "unity.h"
// Include required headers
// It is declared as static to eliminate linkage errors
static void setUp(void) {
// set stuff up here
}
static void tearDown(void) {
// clean stuff up here
}
void test_stuff(void)
{
// GIVEN
const real input1 = 23;
//WHEN
const real cb = some_method(input1);
//THEN
#ifdef UNITY_INCLUDE_DOUBLE
TEST_ASSERT_EQUAL_DOUBLE(11.2571018, cb);
#else
TEST_ASSERT_EQUAL_FLOAT(11.25710, cb);
#endif
}#include "unity.h"
#include "test_functions.h" // Include the auto-generated header
#include <stdio.h>
#include <string.h>
// not needed when using generate_test_runner.rb
int main(int argc, char* argv[]) {
UNITY_BEGIN();
// First key has to be --test
if (argc > 2 && strcmp(argv[1], "--test") == 0)
{
for (int i = 0; test_functions[i].name != NULL; ++i) {
for (int j = 2; j < argc; ++j) {
if (strcmp(argv[j], test_functions[i].name) == 0) {
RUN_TEST(test_functions[i].func);
}
}
}
}
else
{
for (int i = 0; test_functions[i].name != NULL; ++i) {
RUN_TEST(test_functions[i].func);
}
}
return UNITY_END();
}