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# grepTest.cmake executes a command and captures the output in a file. File is then compared
# against a reference file. Exit status of command can also be compared.
# arguments checking
if (NOT TEST_PROGRAM)
message (FATAL_ERROR "Require TEST_PROGRAM to be defined")
endif (NOT TEST_PROGRAM)
#if (NOT TEST_ARGS)
# message (STATUS "Require TEST_ARGS to be defined")
#endif (NOT TEST_ARGS)
if (NOT TEST_FOLDER)
message ( FATAL_ERROR "Require TEST_FOLDER to be defined")
endif (NOT TEST_FOLDER)
if (NOT TEST_OUTPUT)
message (FATAL_ERROR "Require TEST_OUTPUT to be defined")
endif (NOT TEST_OUTPUT)
#if (NOT TEST_EXPECT)
# message (STATUS "Require TEST_EXPECT to be defined")
#endif (NOT TEST_EXPECT)
if (NOT TEST_FILTER)
message (STATUS "Require TEST_FILTER to be defined")
endif (NOT TEST_FILTER)
if (NOT TEST_REFERENCE)
message (FATAL_ERROR "Require TEST_REFERENCE to be defined")
endif (NOT TEST_REFERENCE)
message (STATUS "COMMAND: ${TEST_PROGRAM} ${TEST_ARGS}")
# run the test program, capture the stdout/stderr and the result var
EXECUTE_PROCESS (
COMMAND ${TEST_PROGRAM} ${TEST_ARGS}
WORKING_DIRECTORY ${TEST_FOLDER}
RESULT_VARIABLE TEST_RESULT
OUTPUT_FILE ${TEST_OUTPUT}
ERROR_FILE ${TEST_OUTPUT}.err
OUTPUT_VARIABLE TEST_ERROR
ERROR_VARIABLE TEST_ERROR
)
message (STATUS "COMMAND Result: ${TEST_RESULT}")
message (STATUS "COMMAND Error: ${TEST_ERROR}")
# now grep the output with the reference
file (READ ${TEST_FOLDER}/${TEST_OUTPUT} TEST_STREAM)
# TEST_REFERENCE should always be matched
STRING(REGEX MATCH "${TEST_REFERENCE}" TEST_MATCH ${TEST_STREAM})
STRING(COMPARE EQUAL "${TEST_REFERENCE}" "${TEST_MATCH}" TEST_RESULT)
if (${TEST_RESULT} STREQUAL "0")
message (FATAL_ERROR "Failed: The output of ${TEST_PROGRAM} did not contain ${TEST_REFERENCE}")
endif (${TEST_RESULT} STREQUAL "0")
STRING(REGEX MATCH "${TEST_FILTER}" TEST_MATCH ${TEST_STREAM})
if (${TEST_EXPECT} STREQUAL "1")
# TEST_EXPECT (1) interperts TEST_FILTER as NOT to match
STRING(LENGTH "${TEST_MATCH}" TEST_RESULT)
if (NOT ${TEST_RESULT} STREQUAL "0")
message (FATAL_ERROR "Failed: The output of ${TEST_PROGRAM} did contain ${TEST_FILTER}")
endif (NOT ${TEST_RESULT} STREQUAL "0")
endif (${TEST_EXPECT} STREQUAL "1")
# everything went fine...
message ("Passed: The output of ${TEST_PROGRAM} matched")
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