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cmake_minimum_required(VERSION 3.20)
project(tinyusb_unit_tests LANGUAGES C)
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS ON)
# Command to invoke Ceedling. Supports multi-word commands such as "bundle exec ceedling".
set(CEEDLING_COMMAND "ceedling" CACHE STRING "Command used to invoke Ceedling (Ruby gem).")
separate_arguments(CEEDLING_COMMAND_LIST NATIVE_COMMAND "${CEEDLING_COMMAND}")
if (CEEDLING_COMMAND_LIST STREQUAL "")
message(FATAL_ERROR "CEEDLING_COMMAND is empty; set it to a valid Ceedling invocation.")
endif ()
list(GET CEEDLING_COMMAND_LIST 0 CEEDLING_LAUNCHER)
find_program(CEEDLING_LAUNCHER_PATH NAMES ${CEEDLING_LAUNCHER})
if (NOT CEEDLING_LAUNCHER_PATH)
message(FATAL_ERROR "Could not find '${CEEDLING_LAUNCHER}' on PATH; adjust CEEDLING_COMMAND or PATH.")
endif ()
list(REMOVE_AT CEEDLING_COMMAND_LIST 0)
list(INSERT CEEDLING_COMMAND_LIST 0 ${CEEDLING_LAUNCHER_PATH})
set(CEEDLING_WORKDIR ${CMAKE_CURRENT_LIST_DIR})
set(CEEDLING_BUILD_DIR ${CEEDLING_WORKDIR}/_build)
# Helper to add a Ceedling-backed test target that compiles into a real CMake executable.
function(add_ceedling_test TARGET_NAME TEST_SOURCE PRODUCT_SOURCES MOCK_SOURCES)
set(runner ${CEEDLING_BUILD_DIR}/test/runners/${TARGET_NAME}_runner.c)
add_custom_target(ceedling_gen_${TARGET_NAME}
COMMAND ${CEEDLING_COMMAND_LIST} test:${TARGET_NAME}
WORKING_DIRECTORY ${CEEDLING_WORKDIR}
BYPRODUCTS ${runner}
USES_TERMINAL
COMMENT "Generate Ceedling runner/mocks for ${TARGET_NAME}"
)
add_executable(${TARGET_NAME}
${TEST_SOURCE}
${runner}
${MOCK_SOURCES}
${CEEDLING_BUILD_DIR}/vendor/unity/src/unity.c
${CEEDLING_BUILD_DIR}/vendor/cmock/src/cmock.c
${PRODUCT_SOURCES}
)
set_source_files_properties(
${runner}
${MOCK_SOURCES}
${CEEDLING_BUILD_DIR}/vendor/unity/src/unity.c
${CEEDLING_BUILD_DIR}/vendor/cmock/src/cmock.c
PROPERTIES GENERATED TRUE
)
add_dependencies(${TARGET_NAME} ceedling_gen_${TARGET_NAME})
target_include_directories(${TARGET_NAME} PRIVATE
${CEEDLING_WORKDIR}/test
${CEEDLING_WORKDIR}/test/support
${CEEDLING_BUILD_DIR}/test/runners
${CEEDLING_BUILD_DIR}/test/mocks/${TARGET_NAME}
${CEEDLING_BUILD_DIR}/vendor/unity/src
${CEEDLING_BUILD_DIR}/vendor/cmock/src
${CEEDLING_WORKDIR}/../../src
${CEEDLING_WORKDIR}/../../src/common
${CEEDLING_WORKDIR}/../../src/device
${CEEDLING_WORKDIR}/../../src/class
${CEEDLING_WORKDIR}/../../src/class/msc
${CEEDLING_WORKDIR}/../../src/host
${CEEDLING_WORKDIR}/../../src/typec
${CEEDLING_WORKDIR}/../../src/osal
)
target_compile_definitions(${TARGET_NAME} PRIVATE _UNITY_TEST_)
target_compile_options(${TARGET_NAME} PRIVATE -Wall -Wextra)
add_test(NAME ${TARGET_NAME} COMMAND ${TARGET_NAME})
endfunction()
# Custom targets to keep plain Ceedling entry-points available.
add_custom_target(ceedling_all
COMMAND ${CEEDLING_COMMAND_LIST} test:all
WORKING_DIRECTORY ${CEEDLING_WORKDIR}
USES_TERMINAL
COMMENT "Run Ceedling (Unity) unit tests"
)
add_custom_target(ceedling_clean
COMMAND ${CEEDLING_COMMAND_LIST} clean
WORKING_DIRECTORY ${CEEDLING_WORKDIR}
USES_TERMINAL
COMMENT "Clean Ceedling build outputs"
)
add_custom_target(ceedling_clobber
COMMAND ${CEEDLING_COMMAND_LIST} clobber
WORKING_DIRECTORY ${CEEDLING_WORKDIR}
USES_TERMINAL
COMMENT "Clobber Ceedling build outputs"
)
# Per-test wiring: mocks are generated under _build/test/mocks/<name>/.
add_ceedling_test(
test_common_func
${CEEDLING_WORKDIR}/test/test_common_func.c
""
""
)
add_ceedling_test(
test_fifo
${CEEDLING_WORKDIR}/test/test_fifo.c
${CEEDLING_WORKDIR}/../../src/common/tusb_fifo.c
""
)
add_ceedling_test(
test_usbd
${CEEDLING_WORKDIR}/test/device/usbd/test_usbd.c
"${CEEDLING_WORKDIR}/../../src/tusb.c;${CEEDLING_WORKDIR}/../../src/device/usbd.c;${CEEDLING_WORKDIR}/../../src/common/tusb_fifo.c"
"${CEEDLING_BUILD_DIR}/test/mocks/test_usbd/mock_dcd.c;${CEEDLING_BUILD_DIR}/test/mocks/test_usbd/mock_msc_device.c"
)
add_ceedling_test(
test_msc_device
${CEEDLING_WORKDIR}/test/device/msc/test_msc_device.c
"${CEEDLING_WORKDIR}/../../src/tusb.c;${CEEDLING_WORKDIR}/../../src/device/usbd.c;${CEEDLING_WORKDIR}/../../src/class/msc/msc_device.c;${CEEDLING_WORKDIR}/../../src/common/tusb_fifo.c"
"${CEEDLING_BUILD_DIR}/test/mocks/test_msc_device/mock_dcd.c"
)
enable_testing()
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