138 lines
7.5 KiB
CMake
138 lines
7.5 KiB
CMake
#==================================================================================================#
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# supported macros #
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# - 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_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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# -- enabels debug messages #
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# #
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#==================================================================================================#
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cmake_minimum_required(VERSION 2.8.8)
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option(PARSE_CATCH_TESTS_VERBOSE "Print Catch to CTest parser debug messages" OFF)
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function(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(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(ParseFile SourceFile TestTarget)
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# accroding 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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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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RemoveComments(Contents)
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# Find definition of test names
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string(REGEX MATCHALL "[ \t]*(CATCH_)?(TEST_CASE_METHOD|SCENARIO|TEST_CASE)[ \t]*\\([^\)]+\\)+[ \t\n]*{+[ \t]*(//[^\n]*[Tt][Ii][Mm][Ee][Oo][Uu][Tt][ \t]*[0-9]+)*" Tests "${Contents}")
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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_)?(TEST_CASE_METHOD|SCENARIO|TEST_CASE)[ \t]*\\([^,^\"]*" TestTypeAndFixture "${TestName}")
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string(REGEX MATCH "(CATCH_)?(TEST_CASE_METHOD|SCENARIO|TEST_CASE)" TestType "${TestTypeAndFixture}")
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string(REPLACE "${TestType}(" "" TestFixture "${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: ${Name}")
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endif()
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if(TestFixture)
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set(CTestName "${TestFixture}:${Name}")
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else()
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set(CTestName "${Name}")
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endif()
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if(TestStringsLength EQUAL 2)
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list(GET TestStrings 1 Tags)
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string(TOLOWER "${Tags}" Tags)
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string(REPLACE "]" ";" Tags "${Tags}")
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string(REPLACE "[" "" Tags "${Tags}")
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endif()
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PrintDebugMessage("Adding test \"${CTestName}\"")
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# Add the test and set its properties
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add_test(NAME "\"${CTestName}\"" COMMAND ${TestTarget} ${Name} ${AdditionalCatchParameters})
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set_tests_properties("\"${CTestName}\"" PROPERTIES FAIL_REGULAR_EXPRESSION "No tests ran"
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LABELS "${Tags}")
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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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PrintDebugMessage("Started parsing ${TestTarget}")
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get_target_property(SourceFiles ${TestTarget} SOURCES)
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PrintDebugMessage("Found the following sources: ${SourceFiles}")
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foreach(SourceFile ${SourceFiles})
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ParseFile(${SourceFile} ${TestTarget})
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endforeach()
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PrintDebugMessage("Finished parsing ${TestTarget}")
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endfunction()
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