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5293f4631b
Summary: Add a function for defining Python unit tests. This creates the test executable, and also emits logic to perform test discovery for ctest. Reviewed By: simpkins Differential Revision: D17610034 fbshipit-source-id: cdf15b0b04acc1d3e906a1e2a95eb327951176ba
60 lines
1.7 KiB
CMake
60 lines
1.7 KiB
CMake
# Copyright (c) Facebook, Inc. and its affiliates.
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# Add a command to be emitted to the CTest file
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set(ctest_script)
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function(add_command CMD)
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set(escaped_args "")
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foreach(arg ${ARGN})
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# Escape all arguments using "Bracket Argument" syntax
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# We could skip this for argument that don't contain any special
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# characters if we wanted to make the output slightly more human-friendly.
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set(escaped_args "${escaped_args} [==[${arg}]==]")
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endforeach()
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set(ctest_script "${ctest_script}${CMD}(${escaped_args})\n" PARENT_SCOPE)
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endfunction()
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if(NOT EXISTS "${TEST_EXECUTABLE}")
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message(FATAL_ERROR "Test executable does not exist: ${TEST_EXECUTABLE}")
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endif()
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execute_process(
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COMMAND ${CMAKE_COMMAND} -E env ${TEST_ENV} "${TEST_INTERPRETER}" "${TEST_EXECUTABLE}" --list-tests
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WORKING_DIRECTORY "${TEST_WORKING_DIR}"
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OUTPUT_VARIABLE output
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RESULT_VARIABLE result
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)
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if(NOT "${result}" EQUAL 0)
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string(REPLACE "\n" "\n " output "${output}")
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message(
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FATAL_ERROR
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"Error running test executable: ${TEST_EXECUTABLE}\n"
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"Output:\n"
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" ${output}\n"
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)
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endif()
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# Parse output
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string(REPLACE "\n" ";" tests_list "${output}")
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foreach(test_name ${tests_list})
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add_command(
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add_test
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"${TEST_PREFIX}${test_name}"
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${CMAKE_COMMAND} -E env ${TEST_ENV}
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"${TEST_INTERPRETER}" "${TEST_EXECUTABLE}" "${test_name}"
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)
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add_command(
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set_tests_properties
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"${TEST_PREFIX}${test_name}"
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PROPERTIES
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WORKING_DIRECTORY "${TEST_WORKING_DIR}"
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${TEST_PROPERTIES}
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)
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endforeach()
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# Set a list of discovered tests in the parent scope, in case users
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# want access to this list as a CMake variable
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if(TEST_LIST)
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add_command(set ${TEST_LIST} ${tests_list})
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endif()
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file(WRITE "${CTEST_FILE}" "${ctest_script}")
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