# ----------------------------------------------------------------------------
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# sanitize string stored in variable for use in regular expression.
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macro (sanitize_for_regex STRVAR)
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string (REGEX REPLACE "([.+*?^$()])" "\\\\\\1" ${STRVAR} "${${STRVAR}}")
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endmacro ()
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# ----------------------------------------------------------------------------
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# script arguments
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if (NOT COMMAND)
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message (FATAL_ERROR "Test command not specified!")
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endif ()
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if (NOT DEFINED EXPECTED_RC)
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set (EXPECTED_RC 0)
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endif ()
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if (EXPECTED_OUTPUT)
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sanitize_for_regex(EXPECTED_OUTPUT)
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endif ()
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if (UNEXPECTED_OUTPUT)
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sanitize_for_regex(UNEXPECTED_OUTPUT)
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endif ()
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# ----------------------------------------------------------------------------
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# set a few environment variables (useful for --tryfromenv)
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set (ENV{FLAGS_undefok} "foo,bar")
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set (ENV{FLAGS_weirdo} "")
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set (ENV{FLAGS_version} "true")
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set (ENV{FLAGS_help} "false")
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# ----------------------------------------------------------------------------
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# execute test command
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execute_process(
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COMMAND ${COMMAND}
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RESULT_VARIABLE RC
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OUTPUT_VARIABLE OUTPUT
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ERROR_VARIABLE OUTPUT
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)
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if (OUTPUT)
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message ("${OUTPUT}")
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endif ()
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# ----------------------------------------------------------------------------
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# check test result
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if (NOT RC EQUAL EXPECTED_RC)
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string (REPLACE ";" " " COMMAND "${COMMAND}")
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message (FATAL_ERROR "Command:\n\t${COMMAND}\nExit status is ${RC}, expected ${EXPECTED_RC}")
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endif ()
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if (EXPECTED_OUTPUT AND NOT OUTPUT MATCHES "${EXPECTED_OUTPUT}")
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message (FATAL_ERROR "Test output does not match expected output: ${EXPECTED_OUTPUT}")
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endif ()
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if (UNEXPECTED_OUTPUT AND OUTPUT MATCHES "${UNEXPECTED_OUTPUT}")
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message (FATAL_ERROR "Test output matches unexpected output: ${UNEXPECTED_OUTPUT}")
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endif ()
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