forked from Research/WhisperCom
253 lines
15 KiB
CMake
253 lines
15 KiB
CMake
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#==================================================================================================#
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# supported macros #
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# - TEST_CASE, #
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# - TEMPLATE_TEST_CASE #
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# - SCENARIO, #
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# - TEST_CASE_METHOD, #
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# - CATCH_TEST_CASE, #
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# - CATCH_TEMPLATE_TEST_CASE #
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# - CATCH_SCENARIO, #
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# - CATCH_TEST_CASE_METHOD. #
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# #
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# Usage #
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# 1. make sure this module is in the path or add this otherwise: #
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# set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake.modules/") #
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# 2. make sure that you've enabled testing option for the project by the call: #
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# enable_testing() #
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# 3. add the lines to the script for testing target (sample CMakeLists.txt): #
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# project(testing_target) #
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# set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake.modules/") #
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# enable_testing() #
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# #
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# find_path(CATCH_INCLUDE_DIR "catch.hpp") #
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# include_directories(${INCLUDE_DIRECTORIES} ${CATCH_INCLUDE_DIR}) #
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# #
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# file(GLOB SOURCE_FILES "*.cpp") #
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# add_executable(${PROJECT_NAME} ${SOURCE_FILES}) #
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# #
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# include(ParseAndAddCatchTests) #
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# ParseAndAddCatchTests(${PROJECT_NAME}) #
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# #
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# The following variables affect the behavior of the script: #
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# #
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# PARSE_CATCH_TESTS_VERBOSE (Default OFF) #
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# -- enables debug messages #
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# PARSE_CATCH_TESTS_NO_HIDDEN_TESTS (Default OFF) #
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# -- excludes tests marked with [!hide], [.] or [.foo] tags #
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# PARSE_CATCH_TESTS_ADD_FIXTURE_IN_TEST_NAME (Default ON) #
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# -- adds fixture class name to the test name #
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# PARSE_CATCH_TESTS_ADD_TARGET_IN_TEST_NAME (Default ON) #
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# -- adds cmake target name to the test name #
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# PARSE_CATCH_TESTS_ADD_TO_CONFIGURE_DEPENDS (Default OFF) #
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# -- causes CMake to rerun when file with tests changes so that new tests will be discovered #
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# #
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# One can also set (locally) the optional variable OptionalCatchTestLauncher to precise the way #
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# a test should be run. For instance to use test MPI, one can write #
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# set(OptionalCatchTestLauncher ${MPIEXEC} ${MPIEXEC_NUMPROC_FLAG} ${NUMPROC}) #
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# just before calling this ParseAndAddCatchTests function #
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# #
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# The AdditionalCatchParameters optional variable can be used to pass extra argument to the test #
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# command. For example, to include successful tests in the output, one can write #
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# set(AdditionalCatchParameters --success) #
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# #
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# After the script, the ParseAndAddCatchTests_TESTS property for the target, and for each source #
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# file in the target is set, and contains the list of the tests extracted from that target, or #
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# from that file. This is useful, for example to add further labels or properties to the tests. #
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# #
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#==================================================================================================#
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if (CMAKE_MINIMUM_REQUIRED_VERSION VERSION_LESS 2.8.8)
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message(FATAL_ERROR "ParseAndAddCatchTests requires CMake 2.8.8 or newer")
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endif()
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option(PARSE_CATCH_TESTS_VERBOSE "Print Catch to CTest parser debug messages" OFF)
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option(PARSE_CATCH_TESTS_NO_HIDDEN_TESTS "Exclude tests with [!hide], [.] or [.foo] tags" OFF)
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option(PARSE_CATCH_TESTS_ADD_FIXTURE_IN_TEST_NAME "Add fixture class name to the test name" ON)
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option(PARSE_CATCH_TESTS_ADD_TARGET_IN_TEST_NAME "Add target name to the test name" ON)
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option(PARSE_CATCH_TESTS_ADD_TO_CONFIGURE_DEPENDS "Add test file to CMAKE_CONFIGURE_DEPENDS property" OFF)
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function(ParseAndAddCatchTests_PrintDebugMessage)
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if(PARSE_CATCH_TESTS_VERBOSE)
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message(STATUS "ParseAndAddCatchTests: ${ARGV}")
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endif()
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endfunction()
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# This removes the contents between
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# - block comments (i.e. /* ... */)
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# - full line comments (i.e. // ... )
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# contents have been read into '${CppCode}'.
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# !keep partial line comments
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function(ParseAndAddCatchTests_RemoveComments CppCode)
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string(ASCII 2 CMakeBeginBlockComment)
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string(ASCII 3 CMakeEndBlockComment)
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string(REGEX REPLACE "/\\*" "${CMakeBeginBlockComment}" ${CppCode} "${${CppCode}}")
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string(REGEX REPLACE "\\*/" "${CMakeEndBlockComment}" ${CppCode} "${${CppCode}}")
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string(REGEX REPLACE "${CMakeBeginBlockComment}[^${CMakeEndBlockComment}]*${CMakeEndBlockComment}" "" ${CppCode} "${${CppCode}}")
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string(REGEX REPLACE "\n[ \t]*//+[^\n]+" "\n" ${CppCode} "${${CppCode}}")
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set(${CppCode} "${${CppCode}}" PARENT_SCOPE)
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endfunction()
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# Worker function
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function(ParseAndAddCatchTests_ParseFile SourceFile TestTarget)
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# If SourceFile is an object library, do not scan it (as it is not a file). Exit without giving a warning about a missing file.
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if(SourceFile MATCHES "\\\$<TARGET_OBJECTS:.+>")
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ParseAndAddCatchTests_PrintDebugMessage("Detected OBJECT library: ${SourceFile} this will not be scanned for tests.")
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return()
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endif()
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# According to CMake docs EXISTS behavior is well-defined only for full paths.
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get_filename_component(SourceFile ${SourceFile} ABSOLUTE)
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if(NOT EXISTS ${SourceFile})
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message(WARNING "Cannot find source file: ${SourceFile}")
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return()
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endif()
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ParseAndAddCatchTests_PrintDebugMessage("parsing ${SourceFile}")
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file(STRINGS ${SourceFile} Contents NEWLINE_CONSUME)
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# Remove block and fullline comments
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ParseAndAddCatchTests_RemoveComments(Contents)
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# Find definition of test names
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# https://regex101.com/r/JygOND/1
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string(REGEX MATCHALL "[ \t]*(CATCH_)?(TEMPLATE_)?(TEST_CASE_METHOD|SCENARIO|TEST_CASE)[ \t]*\\([ \t\n]*\"[^\"]*\"[ \t\n]*(,[ \t\n]*\"[^\"]*\")?(,[ \t\n]*[^\,\)]*)*\\)[ \t\n]*\{+[ \t]*(//[^\n]*[Tt][Ii][Mm][Ee][Oo][Uu][Tt][ \t]*[0-9]+)*" Tests "${Contents}")
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if(PARSE_CATCH_TESTS_ADD_TO_CONFIGURE_DEPENDS AND Tests)
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ParseAndAddCatchTests_PrintDebugMessage("Adding ${SourceFile} to CMAKE_CONFIGURE_DEPENDS property")
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set_property(
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DIRECTORY
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APPEND
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PROPERTY CMAKE_CONFIGURE_DEPENDS ${SourceFile}
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)
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endif()
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# check CMP0110 policy for new add_test() behavior
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if(POLICY CMP0110)
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cmake_policy(GET CMP0110 _cmp0110_value) # new add_test() behavior
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else()
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# just to be thorough explicitly set the variable
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set(_cmp0110_value)
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endif()
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foreach(TestName ${Tests})
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# Strip newlines
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string(REGEX REPLACE "\\\\\n|\n" "" TestName "${TestName}")
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# Get test type and fixture if applicable
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string(REGEX MATCH "(CATCH_)?(TEMPLATE_)?(TEST_CASE_METHOD|SCENARIO|TEST_CASE)[ \t]*\\([^,^\"]*" TestTypeAndFixture "${TestName}")
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string(REGEX MATCH "(CATCH_)?(TEMPLATE_)?(TEST_CASE_METHOD|SCENARIO|TEST_CASE)" TestType "${TestTypeAndFixture}")
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string(REGEX REPLACE "${TestType}\\([ \t]*" "" TestFixture "${TestTypeAndFixture}")
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# Get string parts of test definition
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string(REGEX MATCHALL "\"+([^\\^\"]|\\\\\")+\"+" TestStrings "${TestName}")
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# Strip wrapping quotation marks
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string(REGEX REPLACE "^\"(.*)\"$" "\\1" TestStrings "${TestStrings}")
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string(REPLACE "\";\"" ";" TestStrings "${TestStrings}")
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# Validate that a test name and tags have been provided
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list(LENGTH TestStrings TestStringsLength)
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if(TestStringsLength GREATER 2 OR TestStringsLength LESS 1)
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message(FATAL_ERROR "You must provide a valid test name and tags for all tests in ${SourceFile}")
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endif()
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# Assign name and tags
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list(GET TestStrings 0 Name)
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if("${TestType}" STREQUAL "SCENARIO")
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set(Name "Scenario: ${Name}")
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endif()
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if(PARSE_CATCH_TESTS_ADD_FIXTURE_IN_TEST_NAME AND "${TestType}" MATCHES "(CATCH_)?TEST_CASE_METHOD" AND TestFixture )
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set(CTestName "${TestFixture}:${Name}")
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else()
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set(CTestName "${Name}")
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endif()
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if(PARSE_CATCH_TESTS_ADD_TARGET_IN_TEST_NAME)
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set(CTestName "${TestTarget}:${CTestName}")
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endif()
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# add target to labels to enable running all tests added from this target
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set(Labels ${TestTarget})
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if(TestStringsLength EQUAL 2)
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list(GET TestStrings 1 Tags)
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string(TOLOWER "${Tags}" Tags)
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# remove target from labels if the test is hidden
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if("${Tags}" MATCHES ".*\\[!?(hide|\\.)\\].*")
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list(REMOVE_ITEM Labels ${TestTarget})
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endif()
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string(REPLACE "]" ";" Tags "${Tags}")
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string(REPLACE "[" "" Tags "${Tags}")
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else()
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# unset tags variable from previous loop
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unset(Tags)
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endif()
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list(APPEND Labels ${Tags})
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set(HiddenTagFound OFF)
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foreach(label ${Labels})
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string(REGEX MATCH "^!hide|^\\." result ${label})
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if(result)
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set(HiddenTagFound ON)
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break()
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endif(result)
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endforeach(label)
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if(PARSE_CATCH_TESTS_NO_HIDDEN_TESTS AND ${HiddenTagFound} AND ${CMAKE_VERSION} VERSION_LESS "3.9")
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ParseAndAddCatchTests_PrintDebugMessage("Skipping test \"${CTestName}\" as it has [!hide], [.] or [.foo] label")
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else()
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ParseAndAddCatchTests_PrintDebugMessage("Adding test \"${CTestName}\"")
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if(Labels)
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ParseAndAddCatchTests_PrintDebugMessage("Setting labels to ${Labels}")
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endif()
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# Escape commas in the test spec
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string(REPLACE "," "\\," Name ${Name})
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# Work around CMake 3.18.0 change in `add_test()`, before the escaped quotes were necessary,
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# only with CMake 3.18.0 the escaped double quotes confuse the call. This change is reverted in 3.18.1
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# And properly introduced in 3.19 with the CMP0110 policy
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if(_cmp0110_value STREQUAL "NEW" OR ${CMAKE_VERSION} VERSION_EQUAL "3.18")
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ParseAndAddCatchTests_PrintDebugMessage("CMP0110 set to NEW, no need for add_test(\"\") workaround")
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else()
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ParseAndAddCatchTests_PrintDebugMessage("CMP0110 set to OLD adding \"\" for add_test() workaround")
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set(CTestName "\"${CTestName}\"")
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endif()
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# Handle template test cases
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if("${TestTypeAndFixture}" MATCHES ".*TEMPLATE_.*")
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set(Name "${Name} - *")
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endif()
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# Add the test and set its properties
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add_test(NAME "${CTestName}" COMMAND ${OptionalCatchTestLauncher} $<TARGET_FILE:${TestTarget}> ${Name} ${AdditionalCatchParameters})
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# Old CMake versions do not document VERSION_GREATER_EQUAL, so we use VERSION_GREATER with 3.8 instead
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if(PARSE_CATCH_TESTS_NO_HIDDEN_TESTS AND ${HiddenTagFound} AND ${CMAKE_VERSION} VERSION_GREATER "3.8")
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ParseAndAddCatchTests_PrintDebugMessage("Setting DISABLED test property")
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set_tests_properties("${CTestName}" PROPERTIES DISABLED ON)
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else()
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set_tests_properties("${CTestName}" PROPERTIES FAIL_REGULAR_EXPRESSION "No tests ran"
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LABELS "${Labels}")
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endif()
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set_property(
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TARGET ${TestTarget}
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APPEND
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PROPERTY ParseAndAddCatchTests_TESTS "${CTestName}")
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set_property(
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SOURCE ${SourceFile}
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APPEND
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PROPERTY ParseAndAddCatchTests_TESTS "${CTestName}")
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endif()
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endforeach()
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endfunction()
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# entry point
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function(ParseAndAddCatchTests TestTarget)
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message(DEPRECATION "ParseAndAddCatchTest: function deprecated because of possibility of missed test cases. Consider using 'catch_discover_tests' from 'Catch.cmake'")
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ParseAndAddCatchTests_PrintDebugMessage("Started parsing ${TestTarget}")
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get_target_property(SourceFiles ${TestTarget} SOURCES)
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ParseAndAddCatchTests_PrintDebugMessage("Found the following sources: ${SourceFiles}")
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foreach(SourceFile ${SourceFiles})
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ParseAndAddCatchTests_ParseFile(${SourceFile} ${TestTarget})
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endforeach()
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ParseAndAddCatchTests_PrintDebugMessage("Finished parsing ${TestTarget}")
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endfunction()
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