2 # Copyright (C) 2011-2013 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2, or (at your option)
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # As a special exception to the GNU General Public License, if you
18 # distribute this file as part of a program that contains a
19 # configuration script generated by Autoconf, you may include it under
20 # the same distribution terms that you use for the rest of that program.
22 # This file is maintained in Automake, please report
23 # bugs to <bug-automake@gnu.org> or send patches to
24 # <automake-patches@gnu.org>.
26 scriptversion
=2013-12-23.17
; # UTC
28 # Make unconditional expansion of undefined variables an error. This
29 # helps a lot in preventing typo-related bugs.
36 echo "$me: fatal: $*" >&2
51 tap-driver.sh --test-name=NAME --log-file=PATH --trs-file=PATH
52 [--expect-failure={yes|no}] [--color-tests={yes|no}]
53 [--enable-hard-errors={yes|no}] [--ignore-exit]
54 [--diagnostic-string=STRING] [--merge|--no-merge]
55 [--comments|--no-comments] [--post-script] [--] TEST-COMMAND
56 The '--test-name', '-log-file' and '--trs-file' options are mandatory.
60 # TODO: better error handling in option parsing (in particular, ensure
61 # TODO: $log_file, $trs_file and $test_name are defined).
62 test_name
= # Used for reporting.
63 log_file
= # Where to save the result and output of the test script.
64 trs_file
= # Where to save the metadata of the test run.
65 post_script
= # Script to be run after the test.
72 while test $# -gt 0; do
74 --help) print_usage
; exit $?
;;
75 --version) echo "$me $scriptversion"; exit $?
;;
76 --test-name) test_name
=$2; shift;;
77 --log-file) log_file
=$2; shift;;
78 --trs-file) trs_file
=$2; shift;;
79 --color-tests) color_tests
=$2; shift;;
80 --expect-failure) expect_failure
=$2; shift;;
81 --enable-hard-errors) shift;; # No-op.
84 --ignore-exit) ignore_exit
=1;;
85 --comments) comments
=1;;
86 --no-comments) comments
=0;;
87 --diagnostic-string) diag_string
=$2; shift;;
88 --post-script) post_script
=$2; shift;;
90 -*) usage_error
"invalid option: '$1'";;
95 test $# -gt 0 || usage_error
"missing test command"
97 case $expect_failure in
98 yes) expect_failure
=1;;
102 if test $color_tests = yes; then
104 color_map["red"]="\e[0;31m" # Red.
105 color_map["grn"]="\e[0;32m" # Green.
106 color_map["lgn"]="\e[1;32m" # Light green.
107 color_map["blu"]="\e[1;34m" # Blue.
108 color_map["mgn"]="\e[0;35m" # Magenta.
109 color_map["std"]="\e[m" # No color.
110 color_for_result["ERROR"] = "mgn"
111 color_for_result["PASS"] = "grn"
112 color_for_result["XPASS"] = "red"
113 color_for_result["FAIL"] = "red"
114 color_for_result["XFAIL"] = "lgn"
115 color_for_result["SKIP"] = "blu"'
120 # :; is there to work around a bug in bash 3.2 (and earlier) which
121 # does not always set '$?' properly on redirection failure.
122 # See the Autoconf manual for more details.
125 # Ignore common signals (in this subshell only!), to avoid potential
126 # problems with Korn shells. Some Korn shells are known to propagate
127 # to themselves signals that have killed a child process they were
128 # waiting for; this is done at least for SIGINT (and usually only for
129 # it, in truth). Without the `trap' below, such a behaviour could
130 # cause a premature exit in the current subshell, e.g., in case the
131 # test command it runs gets terminated by a SIGINT. Thus, the awk
132 # script we are piping into would never seen the exit status it
133 # expects on its last input line (which is displayed below by the
134 # last `echo $?' statement), and would thus die reporting an internal
136 # For more information, see the Autoconf manual and the threads:
137 # <http://lists.gnu.org/archive/html/bug-autoconf/2011-09/msg00004.html>
138 # <http://mail.opensolaris.org/pipermail/ksh93-integration-discuss/2009-February/004121.html>
140 if test $merge -gt 0; then
147 ) | LC_ALL
=C
${AM_TAP_AWK-awk} \
149 -v test_script_name
="$test_name" \
150 -v log_file
="$log_file" \
151 -v trs_file
="$trs_file" \
152 -v expect_failure
="$expect_failure" \
154 -v ignore_exit
="$ignore_exit" \
155 -v comments
="$comments" \
156 -v diag_string
="$diag_string" \
158 # TODO: the usages of "cat >&3" below could be optimized when using
159 # GNU awk, and/on on systems that supports /dev/fd/.
161 # Implementation note: in what follows, `result_obj` will be an
162 # associative array that (partly) simulates a TAP result object
163 # from the `TAP::Parser` perl module.
171 print me ": " msg | "cat >&2"
175 function abort(where)
177 fatal("internal error " where)
180 # Convert a boolean to a "yes"/"no" string.
183 return bool ? "yes" : "no";
186 function add_test_result(result)
188 if (!test_results_index)
189 test_results_index = 0
190 test_results_list[test_results_index] = result
191 test_results_index += 1
192 test_results_seen[result] = 1;
195 # Whether the test script should be re-run by "make recheck".
196 function must_recheck()
198 for (k in test_results_seen)
199 if (k != "XFAIL" && k != "PASS" && k != "SKIP")
204 # Whether the content of the log file associated to this test should
205 # be copied into the "global" test-suite.log.
206 function copy_in_global_log()
208 for (k in test_results_seen)
214 function get_global_test_result()
216 if ("ERROR" in test_results_seen)
218 if ("FAIL" in test_results_seen || "XPASS" in test_results_seen)
221 for (k in test_results_seen)
229 function stringify_result_obj(result_obj)
231 if (result_obj["is_unplanned"] || result_obj["number"] != testno)
234 if (plan_seen == LATE_PLAN)
237 if (result_obj["directive"] == "TODO")
238 return result_obj["is_ok"] ? "XPASS" : "XFAIL"
240 if (result_obj["directive"] == "SKIP")
241 return result_obj["is_ok"] ? "SKIP" : COOKED_FAIL;
243 if (length(result_obj["directive"]))
244 abort("in function stringify_result_obj()")
246 return result_obj["is_ok"] ? COOKED_PASS : COOKED_FAIL
249 function decorate_result(result)
251 color_name = color_for_result[result]
253 return color_map[color_name] "" result "" color_map["std"]
254 # If we are not using colorized output, or if we do not know how
255 # to colorize the given result, we should return it unchanged.
259 function report(result, details)
261 if (result ~ /^(X?(PASS|FAIL)|SKIP|ERROR)/)
263 msg = ": " test_script_name
264 add_test_result(result)
266 else if (result == "#")
268 msg = " " test_script_name ":"
272 abort("in function report()")
275 msg = msg " " details
276 # Output on console might be colorized.
277 print decorate_result(result) msg
278 # Flush stdout after each test result, this is useful when stdout
279 # is buffered, for example in a CI system.
281 # Log the result in the log file too, to help debugging (this is
282 # especially true when said result is a TAP error or "Bail out!").
283 print result msg | "cat >&3";
286 function testsuite_error(error_message)
288 report("ERROR", "- " error_message)
291 function handle_tap_result()
293 details = result_obj["number"];
294 if (length(result_obj["description"]))
295 details = details " " result_obj["description"]
297 if (plan_seen == LATE_PLAN)
299 details = details " # AFTER LATE PLAN";
301 else if (result_obj["is_unplanned"])
303 details = details " # UNPLANNED";
305 else if (result_obj["number"] != testno)
307 details = sprintf("%s # OUT-OF-ORDER (expecting %d)",
310 else if (result_obj["directive"])
312 details = details " # " result_obj["directive"];
313 if (length(result_obj["explanation"]))
314 details = details " " result_obj["explanation"]
317 report(stringify_result_obj(result_obj), details)
320 # `skip_reason` should be empty whenever planned > 0.
321 function handle_tap_plan(planned, skip_reason)
323 planned += 0 # Avoid getting confused if, say, `planned` is "00"
324 if (length(skip_reason) && planned > 0)
325 abort("in function handle_tap_plan()")
328 # Error, only one plan per stream is acceptable.
329 testsuite_error("multiple test plans")
332 planned_tests = planned
333 # The TAP plan can come before or after *all* the TAP results; we speak
334 # respectively of an "early" or a "late" plan. If we see the plan line
335 # after at least one TAP result has been seen, assume we have a late
336 # plan; in this case, any further test result seen after the plan will
337 # be flagged as an error.
338 plan_seen = (testno >= 1 ? LATE_PLAN : EARLY_PLAN)
339 # If testno > 0, we have an error ("too many tests run") that will be
340 # automatically dealt with later, so do not worry about it here. If
341 # $plan_seen is true, we have an error due to a repeated plan, and that
342 # has already been dealt with above. Otherwise, we have a valid "plan
343 # with SKIP" specification, and should report it as a particular kind
345 if (planned == 0 && testno == 0)
347 if (length(skip_reason))
348 skip_reason = "- " skip_reason;
349 report("SKIP", skip_reason);
353 function extract_tap_comment(line)
355 if (index(line, diag_string) == 1)
357 # Strip leading `diag_string` from `line`.
358 line = substr(line, length(diag_string) + 1)
359 # And strip any leading and trailing whitespace left.
360 sub("^[ \t]*", "", line)
361 sub("[ \t]*$", "", line)
362 # Return what is left (if any).
368 # When this function is called, we know that line is a TAP result line,
369 # so that it matches the (perl) RE "^(not )?ok\b".
370 function setup_result_obj(line)
372 # Get the result, and remove it from the line.
373 result_obj["is_ok"] = (substr(line, 1, 2) == "ok" ? 1 : 0)
374 sub("^(not )?ok[ \t]*", "", line)
376 # If the result has an explicit number, get it and strip it; otherwise,
377 # automatically assing the next progresive number to it.
378 if (line ~ /^[0-9]+$/ || line ~ /^[0-9]+[^a-zA-Z0-9_]/)
380 match(line, "^[0-9]+")
381 # The final `+ 0` is to normalize numbers with leading zeros.
382 result_obj["number"] = substr(line, 1, RLENGTH) + 0
383 line = substr(line, RLENGTH + 1)
387 result_obj["number"] = testno
390 if (plan_seen == LATE_PLAN)
391 # No further test results are acceptable after a "late" TAP plan
393 result_obj["is_unplanned"] = 1
394 else if (plan_seen && testno > planned_tests)
395 result_obj["is_unplanned"] = 1
397 result_obj["is_unplanned"] = 0
399 # Strip trailing and leading whitespace.
400 sub("^[ \t]*", "", line)
401 sub("[ \t]*$", "", line)
403 # This will have to be corrected if we have a "TODO"/"SKIP" directive.
404 result_obj["description"] = line
405 result_obj["directive"] = ""
406 result_obj["explanation"] = ""
408 if (index(line, "#") == 0)
409 return # No possible directive, nothing more to do.
411 # Directives are case-insensitive.
412 rx = "[ \t]*#[ \t]*([tT][oO][dD][oO]|[sS][kK][iI][pP])[ \t]*"
414 # See whether we have the directive, and if yes, where.
415 pos = match(line, rx "$")
417 pos = match(line, rx "[^a-zA-Z0-9_]")
419 # If there was no TAP directive, we have nothing more to do.
423 # Let`s now see if the TAP directive has been escaped. For example:
424 # escaped: ok \# SKIP
425 # not escaped: ok \\# SKIP
426 # escaped: ok \\\\\# SKIP
427 # not escaped: ok \ # SKIP
428 if (substr(line, pos, 1) == "#")
431 for (i = pos; i > 1 && substr(line, i - 1, 1) == "\\"; i--)
433 if (bslash_count % 2)
434 return # Directive was escaped.
437 # Strip the directive and its explanation (if any) from the test
439 result_obj["description"] = substr(line, 1, pos - 1)
440 # Now remove the test description from the line, that has been dealt
442 line = substr(line, pos)
443 # Strip the directive, and save its value (normalized to upper case).
444 sub("^[ \t]*#[ \t]*", "", line)
445 result_obj["directive"] = toupper(substr(line, 1, 4))
446 line = substr(line, 5)
447 # Now get the explanation for the directive (if any), with leading
448 # and trailing whitespace removed.
449 sub("^[ \t]*", "", line)
450 sub("[ \t]*$", "", line)
451 result_obj["explanation"] = line
454 function get_test_exit_message(status)
458 if (status !~ /^[1-9][0-9]*$/)
459 abort("getting exit status")
462 else if (status == 127)
463 exit_details = " (command not found?)"
464 else if (status >= 128 && status <= 255)
465 exit_details = sprintf(" (terminated by signal %d?)", status - 128)
466 else if (status > 256 && status <= 384)
467 # We used to report an "abnormal termination" here, but some Korn
468 # shells, when a child process die due to signal number n, can leave
469 # in $? an exit status of 256+n instead of the more standard 128+n.
470 # Apparently, both behaviours are allowed by POSIX (2008), so be
471 # prepared to handle them both. See also Austing Group report ID
472 # 0000051 <http://www.austingroupbugs.net/view.php?id=51>
473 exit_details = sprintf(" (terminated by signal %d?)", status - 256)
475 # Never seen in practice.
476 exit_details = " (abnormal termination)"
477 return sprintf("exited with status %d%s", status, exit_details)
480 function write_test_results()
482 print ":global-test-result: " get_global_test_result() > trs_file
483 print ":recheck: " yn(must_recheck()) > trs_file
484 print ":copy-in-global-log: " yn(copy_in_global_log()) > trs_file
485 for (i = 0; i < test_results_index; i += 1)
486 print ":test-result: " test_results_list[i] > trs_file
498 # Properly initialized once the TAP plan is seen.
501 COOKED_PASS = expect_failure ? "XPASS": "PASS";
502 COOKED_FAIL = expect_failure ? "XFAIL": "FAIL";
504 # Enumeration-like constants to remember which kind of plan (if any)
505 # has been seen. It is important that NO_PLAN evaluates "false" as
511 testno = 0 # Number of test results seen so far.
512 bailed_out = 0 # Whether a "Bail out!" directive has been seen.
514 # Whether the TAP plan has been seen or not, and if yes, which kind
515 # it is ("early" is seen before any test result, "late" otherwise).
526 # Involutions required so that we are able to read the exit status
527 # from the last input line.
529 if (st < 0) # I/O error.
530 fatal("I/O error while reading from input stream")
531 else if (st == 0) # End-of-input
534 abort("in input loop: only one input line")
549 # Copy any input line verbatim into the log file.
551 # Parsing of TAP input should stop after a "Bail out!" directive.
556 if ($0 ~ /^(not )?ok$/ || $0 ~ /^(not )?ok[^a-zA-Z0-9_]/)
562 # TAP plan (normal or "SKIP" without explanation).
563 else if ($0 ~ /^1\.\.[0-9]+[ \t]*$/)
565 # The next two lines will put the number of planned tests in $0.
568 handle_tap_plan($0, "")
571 # TAP "SKIP" plan, with an explanation.
572 else if ($0 ~ /^1\.\.0+[ \t]*#/)
574 # The next lines will put the skip explanation in $0, stripping
575 # any leading and trailing whitespace. This is a little more
576 # tricky in truth, since we want to also strip a potential leading
577 # "SKIP" string from the message.
578 sub("^[^#]*#[ \t]*(SKIP[: \t][ \t]*)?", "")
580 handle_tap_plan(0, $0)
583 # Older versions of prove and TAP::Harness (e.g., 3.17) did not
584 # recognize a "Bail out!" directive when preceded by leading
585 # whitespace, but more modern versions (e.g., 3.23) do. So we
586 # emulate the latter, "more modern" behaviour.
587 else if ($0 ~ /^[ \t]*Bail out!/)
590 # Get the bailout message (if any), with leading and trailing
591 # whitespace stripped. The message remains stored in `$0`.
592 sub("^[ \t]*Bail out![ \t]*", "");
594 # Format the error message for the
595 bailout_message = "Bail out!"
597 bailout_message = bailout_message " " $0
598 testsuite_error(bailout_message)
600 # Maybe we have too look for dianogtic comments too.
601 else if (comments != 0)
603 comment = extract_tap_comment($0);
605 report("#", comment);
613 # A "Bail out!" directive should cause us to ignore any following TAP
614 # error, as well as a non-zero exit status from the TAP producer.
619 testsuite_error("missing test plan")
621 else if (planned_tests != testno)
623 bad_amount = testno > planned_tests ? "many" : "few"
624 testsuite_error(sprintf("too %s tests run (expected %d, got %d)",
625 bad_amount, planned_tests, testno))
629 # Fetch exit status from the last line.
630 exit_message = get_test_exit_message(nextline)
632 testsuite_error(exit_message)
640 } # End of "BEGIN" block.
643 # TODO: document that we consume the file descriptor 3 :-(
646 test $?
-eq 0 || fatal
"I/O or internal error"
648 if test ! -z $post_script ; then
650 test $?
-eq 0 || fatal
"Post script returned an error. See $log_file"
656 # eval: (add-hook 'write-file-hooks 'time-stamp)
657 # time-stamp-start: "scriptversion="
658 # time-stamp-format: "%:y-%02m-%02d.%02H"
659 # time-stamp-time-zone: "UTC"
660 # time-stamp-end: "; # UTC"
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