1# ----------------------------------------------------------------------------
2# sanitize string stored in variable for use in regular expression.
3macro (sanitize_for_regex STRVAR)
4  string (REGEX REPLACE "([.+*?^$()])" "\\\\\\1" ${STRVAR} "${${STRVAR}}")
5endmacro ()
6
7# ----------------------------------------------------------------------------
8# script arguments
9if (NOT COMMAND)
10  message (FATAL_ERROR "Test command not specified!")
11endif ()
12if (NOT DEFINED EXPECTED_RC)
13  set (EXPECTED_RC 0)
14endif ()
15if (EXPECTED_OUTPUT)
16  sanitize_for_regex(EXPECTED_OUTPUT)
17endif ()
18if (UNEXPECTED_OUTPUT)
19  sanitize_for_regex(UNEXPECTED_OUTPUT)
20endif ()
21
22# ----------------------------------------------------------------------------
23# set a few environment variables (useful for --tryfromenv)
24set (ENV{FLAGS_undefok} "foo,bar")
25set (ENV{FLAGS_weirdo}  "")
26set (ENV{FLAGS_version} "true")
27set (ENV{FLAGS_help}    "false")
28
29# ----------------------------------------------------------------------------
30# execute test command
31execute_process(
32  COMMAND ${COMMAND}
33  RESULT_VARIABLE RC
34  OUTPUT_VARIABLE OUTPUT
35  ERROR_VARIABLE  OUTPUT
36)
37
38if (OUTPUT)
39  message ("${OUTPUT}")
40endif ()
41
42# ----------------------------------------------------------------------------
43# check test result
44if (NOT RC EQUAL EXPECTED_RC)
45  string (REPLACE ";" " " COMMAND "${COMMAND}")
46  message (FATAL_ERROR "Command:\n\t${COMMAND}\nExit status is ${RC}, expected ${EXPECTED_RC}")
47endif ()
48if (EXPECTED_OUTPUT AND NOT OUTPUT MATCHES "${EXPECTED_OUTPUT}")
49  message (FATAL_ERROR "Test output does not match expected output: ${EXPECTED_OUTPUT}")
50endif ()
51if (UNEXPECTED_OUTPUT AND OUTPUT MATCHES "${UNEXPECTED_OUTPUT}")
52  message (FATAL_ERROR "Test output matches unexpected output: ${UNEXPECTED_OUTPUT}")
53endif ()