diff options
Diffstat (limited to 'Modules/GoogleTest.cmake')
| -rw-r--r-- | Modules/GoogleTest.cmake | 133 |
1 files changed, 104 insertions, 29 deletions
diff --git a/Modules/GoogleTest.cmake b/Modules/GoogleTest.cmake index 1d4398e..975ce6c 100644 --- a/Modules/GoogleTest.cmake +++ b/Modules/GoogleTest.cmake @@ -152,6 +152,7 @@ same as the Google Test name (i.e. ``suite.testcase``); see also [TEST_LIST var] [DISCOVERY_TIMEOUT seconds] [XML_OUTPUT_DIR dir] + [DISCOVERY_MODE <POST_BUILD|PRE_TEST>] ) ``gtest_discover_tests`` sets up a post-build command on the test executable @@ -244,6 +245,22 @@ same as the Google Test name (i.e. ``suite.testcase``); see also ``EXTRA_ARGS --gtest_output=xml`` to avoid race conditions writing the XML result output when using parallel test execution. + ``DISCOVERY_MODE`` + Provides greater control over when ``gtest_discover_tests``performs test + discovery. By default, ``POST_BUILD`` sets up a post-build command + to perform test discovery at build time. In certain scenarios, like + cross-compiling, this ``POST_BUILD`` behavior is not desirable. + By contrast, ``PRE_TEST`` delays test discovery until just prior to test + execution. This way test discovery occurs in the target environment + where the test has a better chance at finding appropriate runtime + dependencies. + + ``DISCOVERY_MODE`` defaults to the value of the + ``CMAKE_GTEST_DISCOVER_TESTS_DISCOVERY_MODE`` variable if it is not + passed when calling ``gtest_discover_tests``. This provides a mechanism + for globally selecting a preferred test discovery behavior without having + to modify each call site. + #]=======================================================================] # Save project's policies @@ -376,11 +393,12 @@ function(gtest_add_tests) endfunction() #------------------------------------------------------------------------------ + function(gtest_discover_tests TARGET) cmake_parse_arguments( "" "NO_PRETTY_TYPES;NO_PRETTY_VALUES" - "TEST_PREFIX;TEST_SUFFIX;WORKING_DIRECTORY;TEST_LIST;DISCOVERY_TIMEOUT;XML_OUTPUT_DIR" + "TEST_PREFIX;TEST_SUFFIX;WORKING_DIRECTORY;TEST_LIST;DISCOVERY_TIMEOUT;XML_OUTPUT_DIR;DISCOVERY_MODE" "EXTRA_ARGS;PROPERTIES" ${ARGN} ) @@ -394,6 +412,12 @@ function(gtest_discover_tests TARGET) if(NOT _DISCOVERY_TIMEOUT) set(_DISCOVERY_TIMEOUT 5) endif() + if(NOT _DISCOVERY_MODE) + if(NOT CMAKE_GTEST_DISCOVER_TESTS_DISCOVERY_MODE) + set(CMAKE_GTEST_DISCOVER_TESTS_DISCOVERY_MODE "POST_BUILD") + endif() + set(_DISCOVERY_MODE ${CMAKE_GTEST_DISCOVER_TESTS_DISCOVERY_MODE}) + endif() get_property( has_counter @@ -425,35 +449,86 @@ function(gtest_discover_tests TARGET) TARGET ${TARGET} PROPERTY CROSSCOMPILING_EMULATOR ) - add_custom_command( - TARGET ${TARGET} POST_BUILD - BYPRODUCTS "${ctest_tests_file}" - COMMAND "${CMAKE_COMMAND}" - -D "TEST_TARGET=${TARGET}" - -D "TEST_EXECUTABLE=$<TARGET_FILE:${TARGET}>" - -D "TEST_EXECUTOR=${crosscompiling_emulator}" - -D "TEST_WORKING_DIR=${_WORKING_DIRECTORY}" - -D "TEST_EXTRA_ARGS=${_EXTRA_ARGS}" - -D "TEST_PROPERTIES=${_PROPERTIES}" - -D "TEST_PREFIX=${_TEST_PREFIX}" - -D "TEST_SUFFIX=${_TEST_SUFFIX}" - -D "NO_PRETTY_TYPES=${_NO_PRETTY_TYPES}" - -D "NO_PRETTY_VALUES=${_NO_PRETTY_VALUES}" - -D "TEST_LIST=${_TEST_LIST}" - -D "CTEST_FILE=${ctest_tests_file}" - -D "TEST_DISCOVERY_TIMEOUT=${_DISCOVERY_TIMEOUT}" - -D "TEST_XML_OUTPUT_DIR=${_XML_OUTPUT_DIR}" - -P "${_GOOGLETEST_DISCOVER_TESTS_SCRIPT}" - VERBATIM - ) - file(WRITE "${ctest_include_file}" - "if(EXISTS \"${ctest_tests_file}\")\n" - " include(\"${ctest_tests_file}\")\n" - "else()\n" - " add_test(${TARGET}_NOT_BUILT ${TARGET}_NOT_BUILT)\n" - "endif()\n" - ) + if(_DISCOVERY_MODE STREQUAL "POST_BUILD") + add_custom_command( + TARGET ${TARGET} POST_BUILD + BYPRODUCTS "${ctest_tests_file}" + COMMAND "${CMAKE_COMMAND}" + -D "TEST_TARGET=${TARGET}" + -D "TEST_EXECUTABLE=$<TARGET_FILE:${TARGET}>" + -D "TEST_EXECUTOR=${crosscompiling_emulator}" + -D "TEST_WORKING_DIR=${_WORKING_DIRECTORY}" + -D "TEST_EXTRA_ARGS=${_EXTRA_ARGS}" + -D "TEST_PROPERTIES=${_PROPERTIES}" + -D "TEST_PREFIX=${_TEST_PREFIX}" + -D "TEST_SUFFIX=${_TEST_SUFFIX}" + -D "NO_PRETTY_TYPES=${_NO_PRETTY_TYPES}" + -D "NO_PRETTY_VALUES=${_NO_PRETTY_VALUES}" + -D "TEST_LIST=${_TEST_LIST}" + -D "CTEST_FILE=${ctest_tests_file}" + -D "TEST_DISCOVERY_TIMEOUT=${_DISCOVERY_TIMEOUT}" + -D "TEST_XML_OUTPUT_DIR=${_XML_OUTPUT_DIR}" + -P "${_GOOGLETEST_DISCOVER_TESTS_SCRIPT}" + VERBATIM + ) + + file(WRITE "${ctest_include_file}" + "if(EXISTS \"${ctest_tests_file}\")\n" + " include(\"${ctest_tests_file}\")\n" + "else()\n" + " add_test(${TARGET}_NOT_BUILT ${TARGET}_NOT_BUILT)\n" + "endif()\n" + ) + elseif(_DISCOVERY_MODE STREQUAL "PRE_TEST") + + get_property(GENERATOR_IS_MULTI_CONFIG GLOBAL + PROPERTY GENERATOR_IS_MULTI_CONFIG + ) + + if(GENERATOR_IS_MULTI_CONFIG) + set(ctest_tests_file "${ctest_file_base}_tests-$<CONFIG>.cmake") + endif() + + string(CONCAT ctest_include_content + "if(EXISTS \"$<TARGET_FILE:${TARGET}>\")" "\n" + " if(\"$<TARGET_FILE:${TARGET}>\" IS_NEWER_THAN \"${ctest_tests_file}\")" "\n" + " include(GoogleTestAddTests)" "\n" + " gtest_discover_tests_impl(" "\n" + " TEST_EXECUTABLE" " [==[" "$<TARGET_FILE:${TARGET}>" "]==]" "\n" + " TEST_EXECUTOR" " [==[" "${crosscompiling_emulator}" "]==]" "\n" + " TEST_WORKING_DIR" " [==[" "${_WORKING_DIRECTORY}" "]==]" "\n" + " TEST_EXTRA_ARGS" " [==[" "${_EXTRA_ARGS}" "]==]" "\n" + " TEST_PROPERTIES" " [==[" "${_PROPERTIES}" "]==]" "\n" + " TEST_PREFIX" " [==[" "${_TEST_PREFIX}" "]==]" "\n" + " TEST_SUFFIX" " [==[" "${_TEST_SUFFIX}" "]==]" "\n" + " NO_PRETTY_TYPES" " [==[" "${_NO_PRETTY_TYPES}" "]==]" "\n" + " NO_PRETTY_VALUES" " [==[" "${_NO_PRETTY_VALUES}" "]==]" "\n" + " TEST_LIST" " [==[" "${_TEST_LIST}" "]==]" "\n" + " CTEST_FILE" " [==[" "${ctest_tests_file}" "]==]" "\n" + " TEST_DISCOVERY_TIMEOUT" " [==[" "${_DISCOVERY_TIMEOUT}" "]==]" "\n" + " TEST_XML_OUTPUT_DIR" " [==[" "${_XML_OUTPUT_DIR}" "]==]" "\n" + " )" "\n" + " endif()" "\n" + " include(\"${ctest_tests_file}\")" "\n" + "else()" "\n" + " add_test(${TARGET}_NOT_BUILT ${TARGET}_NOT_BUILT)" "\n" + "endif()" "\n" + ) + + if(GENERATOR_IS_MULTI_CONFIG) + foreach(_config ${CMAKE_CONFIGURATION_TYPES}) + file(GENERATE OUTPUT "${ctest_file_base}_include-${_config}.cmake" CONTENT "${ctest_include_content}" CONDITION $<CONFIG:${_config}>) + endforeach() + file(WRITE "${ctest_include_file}" "include(\"${ctest_file_base}_include-\${CTEST_CONFIGURATION_TYPE}.cmake\")") + else() + file(GENERATE OUTPUT "${ctest_file_base}_include.cmake" CONTENT "${ctest_include_content}") + file(WRITE "${ctest_include_file}" "include(\"${ctest_file_base}_include.cmake\")") + endif() + + else() + message(SEND_ERROR "Unknown DISCOVERY_MODE: ${_DISCOVERY_MODE}") + endif() # Add discovered tests to directory TEST_INCLUDE_FILES set_property(DIRECTORY |