61 lines
2.1 KiB
CMake
61 lines
2.1 KiB
CMake
# compare the output of transmission-show to a reference file.
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# returns 0 if the files match, nonzero otherwise.
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##
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if(CMAKE_VERSION VERSION_LESS 3.14)
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# --ignore-eol was introduced in CMake 3.14
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message(STATUS "skipping transmission-show test; cmake version too old")
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else()
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get_filename_component(torrent_basename "${torrent_file}" NAME)
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set(output_file ${CMAKE_CURRENT_BINARY_DIR}/${torrent_basename}.out)
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message(STATUS "transmission_show ${transmission_show}")
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message(STATUS " input_file ${torrent_file}")
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message(STATUS " output_file ${output_file}")
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message(STATUS " reference_file ${reference_file}")
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# We want UTF-8
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set(ENV{LC_ALL} "en_US.UTF-8")
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# The app's output includes timestamps, so fake our TZ to ensure
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# the test doesn't depend on the physical TZ of the test machine
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set(ENV{TZ} "UTC")
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execute_process(
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COMMAND ${transmission_show} ${torrent_file}
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OUTPUT_FILE ${output_file}
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ERROR_FILE ${output_file})
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execute_process(
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COMMAND ${CMAKE_COMMAND} -E compare_files --ignore-eol ${reference_file} ${output_file}
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RESULT_VARIABLE STATUS)
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if(STATUS AND NOT STATUS EQUAL 0)
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file(READ ${reference_file} CONTENTS)
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message(STATUS "EXPECTED CONTENTS (${reference_file}):")
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message("${CONTENTS}")
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file(READ ${output_file} CONTENTS)
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message(STATUS "RECEIVED CONTENTS (${output_file}):")
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message("${CONTENTS}")
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find_program(DIFF_EXEC diff)
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if(NOT DIFF_EXEC)
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find_program(GIT_EXEC git)
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if(GIT_EXEC)
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set(DIFF_EXEC "${GIT_EXEC}" diff --no-index)
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endif()
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endif()
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if(DIFF_EXEC)
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message(STATUS "DIFF:")
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execute_process(COMMAND ${DIFF_EXEC} --unified ${reference_file} ${output_file})
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endif()
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file(REMOVE ${output_file})
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message(FATAL_ERROR "failed: files '${reference_file}' and '${output_file}' do not match")
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else()
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file(REMOVE ${output_file})
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message(STATUS "passed")
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endif()
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endif()
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