catch2/contrib/CatchAddTests.cmake

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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
set(prefix "${TEST_PREFIX}")
set(suffix "${TEST_SUFFIX}")
set(spec ${TEST_SPEC})
set(extra_args ${TEST_EXTRA_ARGS})
set(properties ${TEST_PROPERTIES})
set(script)
set(suite)
set(tests)
function(add_command NAME)
set(_args "")
foreach(_arg ${ARGN})
if(_arg MATCHES "[^-./:a-zA-Z0-9_]")
set(_args "${_args} [==[${_arg}]==]") # form a bracket_argument
else()
set(_args "${_args} ${_arg}")
endif()
endforeach()
set(script "${script}${NAME}(${_args})\n" PARENT_SCOPE)
endfunction()
# Run test executable to get list of available tests
if(NOT EXISTS "${TEST_EXECUTABLE}")
message(FATAL_ERROR
"Specified test executable '${TEST_EXECUTABLE}' does not exist"
)
endif()
execute_process(
COMMAND ${TEST_EXECUTOR} "${TEST_EXECUTABLE}" ${spec} --list-test-names-only
OUTPUT_VARIABLE output
RESULT_VARIABLE result
)
# Catch --list-test-names-only reports the number of tests, so 0 is... surprising
if(${result} EQUAL 0)
message(WARNING
"Test executable '${TEST_EXECUTABLE}' contains no tests!\n"
)
elseif(${result} LESS 0)
message(FATAL_ERROR
"Error running test executable '${TEST_EXECUTABLE}':\n"
" Result: ${result}\n"
" Output: ${output}\n"
)
endif()
string(REPLACE "\n" ";" output "${output}")
# Parse output
foreach(line ${output})
set(test ${line})
# Escape characters in test case names that would be parsed by Catch2
set(test_name ${test})
foreach(char , [ ])
string(REPLACE ${char} "\\${char}" test_name ${test_name})
endforeach(char)
# ...and add to script
add_command(add_test
"${prefix}${test}${suffix}"
${TEST_EXECUTOR}
"${TEST_EXECUTABLE}"
"${test_name}"
${extra_args}
)
add_command(set_tests_properties
"${prefix}${test}${suffix}"
PROPERTIES
WORKING_DIRECTORY "${TEST_WORKING_DIR}"
${properties}
)
list(APPEND tests "${prefix}${test}${suffix}")
endforeach()
# Create a list of all discovered tests, which users may use to e.g. set
# properties on the tests
add_command(set ${TEST_LIST} ${tests})
# Write CTest script
file(WRITE "${CTEST_FILE}" "${script}")