Initial draft of the build system
CMake function added for defining unit test suites. Using c-picker for
generating sources files.
Change-Id: I591c80d97bb141f4dd3848b1e289bc82844a508f
Signed-off-by: Imre Kis <imre.kis@arm.com>
diff --git a/cmake/UnitTest.cmake b/cmake/UnitTest.cmake
new file mode 100644
index 0000000..d2255df
--- /dev/null
+++ b/cmake/UnitTest.cmake
@@ -0,0 +1,66 @@
+#
+# Copyright (c) 2019, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+include_guard(DIRECTORY)
+
+# Global dependencies:
+# Variables
+# CPICKER_COMMAND: command of the c-picker
+# CPICKER_CACHE_PATH: root directory of the c-picker generate files
+# UNIT_TEST_COMMON_SOURCES: common source files for every test build
+# Modules
+# CTest module should be included in the root CMakeLists.txt before calling this function
+
+function(add_unit_test_suite)
+ set(_OPTIONS_ARGS args1)
+ set(_ONE_VALUE_ARGS TEST_NAME)
+ set(_MULTI_VALUE_ARGS TEST_SOURCES TEST_INCLUDES TEST_DEFINES)
+ cmake_parse_arguments(_MY_PARAMS "${_OPTIONS_ARGS}" "${_ONE_VALUE_ARGS}" "${_MULTI_VALUE_ARGS}" ${ARGN})
+ # TODO: check_args(add_unit_test_suite args1 args2 args3)
+
+ set(TEST_NAME ${_MY_PARAMS_TEST_NAME})
+ set(TEST_INCLUDES ${_MY_PARAMS_TEST_INCLUDES})
+ set(TEST_DEFINES ${_MY_PARAMS_TEST_DEFINES})
+
+ add_executable(${TEST_NAME} ${UNIT_TEST_COMMON_SOURCES})
+
+ foreach(TEST_SOURCE ${_MY_PARAMS_TEST_SOURCES})
+ get_filename_component(TEST_SOURCE_EXTENSION ${TEST_SOURCE} EXT)
+
+ if (${TEST_SOURCE_EXTENSION} STREQUAL ".yml")
+ # Building output file name: tests/a/b/test.yml -> ${CPICKER_CACHE_PATH}/a/b/test.c
+ get_filename_component(TEST_SOURCE_DIR ${TEST_SOURCE} DIRECTORY)
+ file(RELATIVE_PATH CPICKER_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/tests ${TEST_SOURCE_DIR})
+ get_filename_component(TEST_SOURCE_NAME ${TEST_SOURCE} NAME_WE)
+ set(CPICKER_OUTPUT ${CPICKER_CACHE_PATH}/${TEST_NAME}/${CPICKER_SOURCE_DIR}/${TEST_SOURCE_NAME}.c)
+
+ # Creating output directory
+ get_filename_component(OUTPUT_DIRECTORY ${CPICKER_OUTPUT} DIRECTORY)
+ file(MAKE_DIRECTORY ${OUTPUT_DIRECTORY})
+
+ # Fetching referenced source files as the dependencies of the generated file
+ execute_process(
+ COMMAND ${CPICKER_COMMAND} --config ${TEST_SOURCE} --root ${TF_A_PATH} --print-dependencies
+ OUTPUT_VARIABLE CPICKER_DEPENDENCIES
+ )
+
+ # Adding custom command for invoking c-picker
+ add_custom_command(
+ OUTPUT ${CPICKER_OUTPUT}
+ COMMAND ${CPICKER_COMMAND} --config ${TEST_SOURCE} --root ${TF_A_PATH} > ${CPICKER_OUTPUT}
+ DEPENDS ${TEST_SOURCE} ${CPICKER_DEPENDENCIES}
+ COMMENT "Generating c-picker output ${CPICKER_OUTPUT}"
+ )
+ set(TEST_SOURCE ${CPICKER_OUTPUT})
+ endif()
+
+ target_sources(${TEST_NAME} PRIVATE ${TEST_SOURCE})
+ endforeach()
+
+ target_include_directories(${TEST_NAME} PRIVATE ${TEST_INCLUDES})
+ target_compile_definitions(${TEST_NAME} PRIVATE ${TEST_DEFINES})
+ add_test(${TEST_NAME} ${TEST_NAME})
+endfunction()