2 # Copyright (C) 2011 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=2011-09-28.14; # 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] [--] 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.
71 while test $# -gt 0; do
73 --help) print_usage; exit $?;;
74 --version) echo "$me $scriptversion"; exit $?;;
75 --test-name) test_name=$2; shift;;
76 --log-file) log_file=$2; shift;;
77 --trs-file) trs_file=$2; shift;;
78 --color-tests) color_tests=$2; shift;;
79 --expect-failure) expect_failure=$2; shift;;
80 --enable-hard-errors) shift;; # No-op.
83 --ignore-exit) ignore_exit=1;;
84 --comments) comments=1;;
85 --no-comments) comments=0;;
86 --diagnostic-string) diag_string=$2; shift;;
88 -*) usage_error "invalid option: '$1'";;
93 test $# -gt 0 || usage_error "missing test command"
95 case $expect_failure in
96 yes) expect_failure=1;;
100 if test $color_tests = yes; then
102 color_map["red"]="
\e[0;31m" # Red.
103 color_map["grn"]="
\e[0;32m" # Green.
104 color_map["lgn"]="
\e[1;32m" # Light green.
105 color_map["blu"]="
\e[1;34m" # Blue.
106 color_map["mgn"]="
\e[0;35m" # Magenta.
107 color_map["std"]="
\e[m" # No color.
108 color_for_result["ERROR"] = "mgn"
109 color_for_result["PASS"] = "grn"
110 color_for_result["XPASS"] = "red"
111 color_for_result["FAIL"] = "red"
112 color_for_result["XFAIL"] = "lgn"
113 color_for_result["SKIP"] = "blu"'
120 # Ignore common signals (in this subshell only!), to avoid potential
121 # problems with Korn shells. Some Korn shells are known to propagate
122 # to themselves signals that have killed a child process they were
123 # waiting for; this is done at least for SIGINT (and usually only for
124 # it, in truth). Without the `trap' below, such a behaviour could
125 # cause a premature exit in the current subshell, e.g., in case the
126 # test command it runs gets terminated by a SIGINT. Thus, the awk
127 # script we are piping into would never seen the exit status it
128 # expects on its last input line (which is displayed below by the
129 # last `echo $?' statement), and would thus die reporting an internal
131 # For more information, see the Autoconf manual and the threads:
132 # <http://lists.gnu.org/archive/html/bug-autoconf/2011-09/msg00004.html>
133 # <http://mail.opensolaris.org/pipermail/ksh93-integration-discuss/2009-February/004121.html>
135 if test $merge -gt 0; then
142 ) | LC_ALL=C ${AM_TAP_AWK-awk} \
144 -v test_script_name="$test_name" \
145 -v log_file="$log_file" \
146 -v trs_file="$trs_file" \
147 -v expect_failure="$expect_failure" \
149 -v ignore_exit="$ignore_exit" \
150 -v comments="$comments" \
151 -v diag_string="$diag_string" \
153 # FIXME: the usages of "cat >&3" below could be optimized when using
154 # FIXME: GNU awk, and/on on systems that supports /dev/fd/.
156 # Implementation note: in what follows, `result_obj` will be an
157 # associative array that (partly) simulates a TAP result object
158 # from the `TAP::Parser` perl module.
166 print me ": " msg | "cat >&2"
170 function abort(where)
172 fatal("internal error " where)
175 # Convert a boolean to a "yes"/"no" string.
178 return bool ? "yes" : "no";
181 function add_test_result(result)
183 if (!test_results_index)
184 test_results_index = 0
185 test_results_list[test_results_index] = result
186 test_results_index += 1
187 test_results_seen[result] = 1;
190 # Whether the test script should be re-run by "make recheck".
191 function must_recheck()
193 for (k in test_results_seen)
194 if (k != "XFAIL" && k != "PASS" && k != "SKIP")
199 # Whether the content of the log file associated to this test should
200 # be copied into the "global" test-suite.log.
201 function copy_in_global_log()
203 for (k in test_results_seen)
209 # FIXME: this can certainly be improved ...
210 function get_global_test_result()
212 if ("ERROR" in test_results_seen)
214 if ("FAIL" in test_results_seen || "XPASS" in test_results_seen)
217 for (k in test_results_seen)
225 function stringify_result_obj(result_obj)
227 if (result_obj["is_unplanned"] || result_obj["number"] != testno)
230 if (plan_seen == LATE_PLAN)
233 if (result_obj["directive"] == "TODO")
234 return result_obj["is_ok"] ? "XPASS" : "XFAIL"
236 if (result_obj["directive"] == "SKIP")
237 return result_obj["is_ok"] ? "SKIP" : COOKED_FAIL;
239 if (length(result_obj["directive"]))
240 abort("in function stringify_result_obj()")
242 return result_obj["is_ok"] ? COOKED_PASS : COOKED_FAIL
245 function decorate_result(result)
247 color_name = color_for_result[result]
249 return color_map[color_name] "" result "" color_map["std"]
250 # If we are not using colorized output, or if we do not know how
251 # to colorize the given result, we should return it unchanged.
255 function report(result, details)
257 if (result ~ /^(X?(PASS|FAIL)|SKIP|ERROR)/)
259 msg = ": " test_script_name
260 add_test_result(result)
262 else if (result == "#")
264 msg = " " test_script_name ":"
268 abort("in function report()")
271 msg = msg " " details
272 # Output on console might be colorized.
273 print decorate_result(result) msg
274 # Log the result in the log file too, to help debugging (this is
275 # especially true when said result is a TAP error or "Bail out!").
276 print result msg | "cat >&3";
279 function testsuite_error(error_message)
281 report("ERROR", "- " error_message)
284 function handle_tap_result()
286 details = result_obj["number"];
287 if (length(result_obj["description"]))
288 details = details " " result_obj["description"]
290 if (plan_seen == LATE_PLAN)
292 details = details " # AFTER LATE PLAN";
294 else if (result_obj["is_unplanned"])
296 details = details " # UNPLANNED";
298 else if (result_obj["number"] != testno)
300 details = sprintf("%s # OUT-OF-ORDER (expecting %d)",
303 else if (result_obj["directive"])
305 details = details " # " result_obj["directive"];
306 if (length(result_obj["explanation"]))
307 details = details " " result_obj["explanation"]
310 report(stringify_result_obj(result_obj), details)
313 # `skip_reason` should be empty whenever planned > 0.
314 function handle_tap_plan(planned, skip_reason)
316 planned += 0 # Avoid getting confused if, say, `planned` is "00"
317 if (length(skip_reason) && planned > 0)
318 abort("in function handle_tap_plan()")
321 # Error, only one plan per stream is acceptable.
322 testsuite_error("multiple test plans")
325 planned_tests = planned
326 # The TAP plan can come before or after *all* the TAP results; we speak
327 # respectively of an "early" or a "late" plan. If we see the plan line
328 # after at least one TAP result has been seen, assume we have a late
329 # plan; in this case, any further test result seen after the plan will
330 # be flagged as an error.
331 plan_seen = (testno >= 1 ? LATE_PLAN : EARLY_PLAN)
332 # If testno > 0, we have an error ("too many tests run") that will be
333 # automatically dealt with later, so do not worry about it here. If
334 # $plan_seen is true, we have an error due to a repeated plan, and that
335 # has already been dealt with above. Otherwise, we have a valid "plan
336 # with SKIP" specification, and should report it as a particular kind
338 if (planned == 0 && testno == 0)
340 if (length(skip_reason))
341 skip_reason = "- " skip_reason;
342 report("SKIP", skip_reason);
346 function extract_tap_comment(line)
348 if (index(line, diag_string) == 1)
350 # Strip leading `diag_string` from `line`.
351 line = substr(line, length(diag_string) + 1)
352 # And strip any leading and trailing whitespace left.
353 sub("^[ \t]*", "", line)
354 sub("[ \t]*$", "", line)
355 # Return what is left (if any).
361 # When this function is called, we know that line is a TAP result line,
362 # so that it matches the (perl) RE "^(not )?ok\b".
363 function setup_result_obj(line)
365 # Get the result, and remove it from the line.
366 result_obj["is_ok"] = (substr(line, 1, 2) == "ok" ? 1 : 0)
367 sub("^(not )?ok[ \t]*", "", line)
369 # If the result has an explicit number, get it and strip it; otherwise,
370 # automatically assing the next progresive number to it.
371 if (line ~ /^[0-9]+$/ || line ~ /^[0-9]+[^a-zA-Z0-9_]/)
373 match(line, "^[0-9]+")
374 # The final `+ 0` is to normalize numbers with leading zeros.
375 result_obj["number"] = substr(line, 1, RLENGTH) + 0
376 line = substr(line, RLENGTH + 1)
380 result_obj["number"] = testno
383 if (plan_seen == LATE_PLAN)
384 # No further test results are acceptable after a "late" TAP plan
386 result_obj["is_unplanned"] = 1
387 else if (plan_seen && testno > planned_tests)
388 result_obj["is_unplanned"] = 1
390 result_obj["is_unplanned"] = 0
392 # Strip trailing and leading whitespace.
393 sub("^[ \t]*", "", line)
394 sub("[ \t]*$", "", line)
396 # This will have to be corrected if we have a "TODO"/"SKIP" directive.
397 result_obj["description"] = line
398 result_obj["directive"] = ""
399 result_obj["explanation"] = ""
401 if (index(line, "#") == 0)
402 return # No possible directive, nothing more to do.
404 # Directives are case-insensitive.
405 rx = "[ \t]*#[ \t]*([tT][oO][dD][oO]|[sS][kK][iI][pP])[ \t]*"
407 # See whether we have the directive, and if yes, where.
408 pos = match(line, rx "$")
410 pos = match(line, rx "[^a-zA-Z0-9_]")
412 # If there was no TAP directive, we have nothing more to do.
416 # Let`s now see if the TAP directive has been escaped. For example:
417 # escaped: ok \# SKIP
418 # not escaped: ok \\# SKIP
419 # escaped: ok \\\\\# SKIP
420 # not escaped: ok \ # SKIP
421 if (substr(line, pos, 1) == "#")
424 for (i = pos; i > 1 && substr(line, i - 1, 1) == "\\"; i--)
426 if (bslash_count % 2)
427 return # Directive was escaped.
430 # Strip the directive and its explanation (if any) from the test
432 result_obj["description"] = substr(line, 1, pos - 1)
433 # Now remove the test description from the line, that has been dealt
435 line = substr(line, pos)
436 # Strip the directive, and save its value (normalized to upper case).
437 sub("^[ \t]*#[ \t]*", "", line)
438 result_obj["directive"] = toupper(substr(line, 1, 4))
439 line = substr(line, 5)
440 # Now get the explanation for the directive (if any), with leading
441 # and trailing whitespace removed.
442 sub("^[ \t]*", "", line)
443 sub("[ \t]*$", "", line)
444 result_obj["explanation"] = line
447 function get_test_exit_message(status)
451 if (status !~ /^[1-9][0-9]*$/)
452 abort("getting exit status")
455 else if (status == 127)
456 exit_details = " (command not found?)"
457 else if (status >= 128 && status <= 255)
458 exit_details = sprintf(" (terminated by signal %d?)", status - 128)
459 else if (status > 256 && status <= 384)
460 # We used to report an "abnormal termination" here, but some Korn
461 # shells, when a child process die due to signal number n, can leave
462 # in $? an exit status of 256+n instead of the more standard 128+n.
463 # Apparently, both behaviours are allowed by POSIX (2008), so be
464 # prepared to handle them both. See also Austing Group report ID
465 # 0000051 <http://www.austingroupbugs.net/view.php?id=51>
466 exit_details = sprintf(" (terminated by signal %d?)", status - 256)
468 # Never seen in practice.
469 exit_details = " (abnormal termination)"
470 return sprintf("exited with status %d%s", status, exit_details)
473 function write_test_results()
475 print ":global-test-result: " get_global_test_result() > trs_file
476 print ":recheck: " yn(must_recheck()) > trs_file
477 print ":copy-in-global-log: " yn(copy_in_global_log()) > trs_file
478 for (i = 0; i < test_results_index; i += 1)
479 print ":test-result: " test_results_list[i] > trs_file
491 # Properly initialized once the TAP plan is seen.
494 COOKED_PASS = expect_failure ? "XPASS": "PASS";
495 COOKED_FAIL = expect_failure ? "XFAIL": "FAIL";
497 # Enumeration-like constants to remember which kind of plan (if any)
498 # has been seen. It is important that NO_PLAN evaluates "false" as
504 testno = 0 # Number of test results seen so far.
505 bailed_out = 0 # Whether a "Bail out!" directive has been seen.
507 # Whether the TAP plan has been seen or not, and if yes, which kind
508 # it is ("early" is seen before any test result, "late" otherwise).
519 # Involutions required so that we are able to read the exit status
520 # from the last input line.
522 if (st < 0) # I/O error.
523 fatal("I/O error while reading from input stream")
524 else if (st == 0) # End-of-input
527 abort("in input loop: only one input line")
542 # Copy any input line verbatim into the log file.
544 # Parsing of TAP input should stop after a "Bail out!" directive.
549 if ($0 ~ /^(not )?ok$/ || $0 ~ /^(not )?ok[^a-zA-Z0-9_]/)
555 # TAP plan (normal or "SKIP" without explanation).
556 else if ($0 ~ /^1\.\.[0-9]+[ \t]*$/)
558 # The next two lines will put the number of planned tests in $0.
561 handle_tap_plan($0, "")
564 # TAP "SKIP" plan, with an explanation.
565 else if ($0 ~ /^1\.\.0+[ \t]*#/)
567 # The next lines will put the skip explanation in $0, stripping
568 # any leading and trailing whitespace. This is a little more
569 # tricky in truth, since we want to also strip a potential leading
570 # "SKIP" string from the message.
571 sub("^[^#]*#[ \t]*(SKIP[: \t][ \t]*)?", "")
573 handle_tap_plan(0, $0)
576 else if ($0 ~ /^Bail out!/)
579 # Get the bailout message (if any), with leading and trailing
580 # whitespace stripped. The message remains stored in `$0`.
581 sub("^Bail out![ \t]*", "");
583 # Format the error message for the
584 bailout_message = "Bail out!"
586 bailout_message = bailout_message " " $0
587 testsuite_error(bailout_message)
589 # Maybe we have too look for dianogtic comments too.
590 else if (comments != 0)
592 comment = extract_tap_comment($0);
594 report("#", comment);
602 # A "Bail out!" directive should cause us to ignore any following TAP
603 # error, as well as a non-zero exit status from the TAP producer.
608 testsuite_error("missing test plan")
610 else if (planned_tests != testno)
612 bad_amount = testno > planned_tests ? "many" : "few"
613 testsuite_error(sprintf("too %s tests run (expected %d, got %d)",
614 bad_amount, planned_tests, testno))
618 # Fetch exit status from the last line.
619 exit_message = get_test_exit_message(nextline)
621 testsuite_error(exit_message)
629 } # End of "BEGIN" block.
632 # TODO: document that we consume the file descriptor 3 :-(
635 test $? -eq 0 || fatal "I/O or internal error"
640 # eval: (add-hook 'write-file-hooks 'time-stamp)
641 # time-stamp-start: "scriptversion="
642 # time-stamp-format: "%:y-%02m-%02d.%02H"
643 # time-stamp-time-zone: "UTC"
644 # time-stamp-end: "; # UTC"