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=2011-08-25.10; # 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"'
119 { if test $merge -gt 0; then
126 } | LC_ALL=C ${AM_TAP_AWK-awk} \
128 -v test_script_name="$test_name" \
129 -v log_file="$log_file" \
130 -v trs_file="$trs_file" \
131 -v expect_failure="$expect_failure" \
133 -v ignore_exit="$ignore_exit" \
134 -v comments="$comments" \
135 -v diag_string="$diag_string" \
137 # FIXME: the usages of "cat >&3" below could be optimized when using
138 # FIXME: GNU awk, and/on on systems that supports /dev/fd/.
140 # Implementation note: in what follows, `result_obj` will be an
141 # associative array that (partly) simulates a TAP result object
142 # from the `TAP::Parser` perl module.
150 print me ": " msg | "cat >&2"
154 function abort(where)
156 fatal("internal error " where)
159 # Convert a boolean to a "yes"/"no" string.
162 return bool ? "yes" : "no";
165 function add_test_result(result)
167 if (!test_results_index)
168 test_results_index = 0
169 test_results_list[test_results_index] = result
170 test_results_index += 1
171 test_results_seen[result] = 1;
174 # Whether the test script should be re-run by "make recheck".
175 function must_recheck()
177 for (k in test_results_seen)
178 if (k != "XFAIL" && k != "PASS" && k != "SKIP")
183 # Whether the content of the log file associated to this test should
184 # be copied into the "global" test-suite.log.
185 function copy_in_global_log()
187 for (k in test_results_seen)
193 # FIXME: this can certainly be improved ...
194 function get_global_test_result()
196 if ("ERROR" in test_results_seen)
198 if ("FAIL" in test_results_seen || "XPASS" in test_results_seen)
201 for (k in test_results_seen)
209 function stringify_result_obj(result_obj)
211 if (result_obj["is_unplanned"] || result_obj["number"] != testno)
214 if (plan_seen == LATE_PLAN)
217 if (result_obj["directive"] == "TODO")
218 return result_obj["is_ok"] ? "XPASS" : "XFAIL"
220 if (result_obj["directive"] == "SKIP")
221 return result_obj["is_ok"] ? "SKIP" : COOKED_FAIL;
223 if (length(result_obj["directive"]))
224 abort("in function stringify_result_obj()")
226 return result_obj["is_ok"] ? COOKED_PASS : COOKED_FAIL
229 function decorate_result(result)
231 color_name = color_for_result[result]
233 return color_map[color_name] "" result "" color_map["std"]
234 # If we are not using colorized output, or if we do not know how
235 # to colorize the given result, we should return it unchanged.
239 function report(result, details)
241 if (result ~ /^(X?(PASS|FAIL)|SKIP|ERROR)/)
243 msg = ": " test_script_name
244 add_test_result(result)
246 else if (result == "#")
248 msg = " " test_script_name ":"
252 abort("in function report()")
255 msg = msg " " details
256 # Output on console might be colorized.
257 print decorate_result(result) msg
258 # Log the result in the log file too, to help debugging (this is
259 # especially true when said result is a TAP error or "Bail out!").
260 print result msg | "cat >&3";
263 function testsuite_error(error_message)
265 report("ERROR", "- " error_message)
268 function handle_tap_result()
270 details = result_obj["number"];
271 if (length(result_obj["description"]))
272 details = details " " result_obj["description"]
274 if (plan_seen == LATE_PLAN)
276 details = details " # AFTER LATE PLAN";
278 else if (result_obj["is_unplanned"])
280 details = details " # UNPLANNED";
282 else if (result_obj["number"] != testno)
284 details = sprintf("%s # OUT-OF-ORDER (expecting %d)",
287 else if (result_obj["directive"])
289 details = details " # " result_obj["directive"];
290 if (length(result_obj["explanation"]))
291 details = details " " result_obj["explanation"]
294 report(stringify_result_obj(result_obj), details)
297 # `skip_reason` should be empty whenever planned > 0.
298 function handle_tap_plan(planned, skip_reason)
300 planned += 0 # Avoid getting confused if, say, `planned` is "00"
301 if (length(skip_reason) && planned > 0)
302 abort("in function handle_tap_plan()")
305 # Error, only one plan per stream is acceptable.
306 testsuite_error("multiple test plans")
309 planned_tests = planned
310 # The TAP plan can come before or after *all* the TAP results; we speak
311 # respectively of an "early" or a "late" plan. If we see the plan line
312 # after at least one TAP result has been seen, assume we have a late
313 # plan; in this case, any further test result seen after the plan will
314 # be flagged as an error.
315 plan_seen = (testno >= 1 ? LATE_PLAN : EARLY_PLAN)
316 # If testno > 0, we have an error ("too many tests run") that will be
317 # automatically dealt with later, so do not worry about it here. If
318 # $plan_seen is true, we have an error due to a repeated plan, and that
319 # has already been dealt with above. Otherwise, we have a valid "plan
320 # with SKIP" specification, and should report it as a particular kind
322 if (planned == 0 && testno == 0)
324 if (length(skip_reason))
325 skip_reason = "- " skip_reason;
326 report("SKIP", skip_reason);
330 function extract_tap_comment(line)
332 if (index(line, diag_string) == 1)
334 # Strip leading `diag_string` from `line`.
335 line = substr(line, length(diag_string) + 1)
336 # And strip any leading and trailing whitespace left.
337 sub("^[ \t]*", "", line)
338 sub("[ \t]*$", "", line)
339 # Return what is left (if any).
345 # When this function is called, we know that line is a TAP result line,
346 # so that it matches the (perl) RE "^(not )?ok\b".
347 function setup_result_obj(line)
349 # Get the result, and remove it from the line.
350 result_obj["is_ok"] = (substr(line, 1, 2) == "ok" ? 1 : 0)
351 sub("^(not )?ok[ \t]*", "", line)
353 # If the result has an explicit number, get it and strip it; otherwise,
354 # automatically assing the next progresive number to it.
355 if (line ~ /^[0-9]+$/ || line ~ /^[0-9]+[^a-zA-Z0-9_]/)
357 match(line, "^[0-9]+")
358 # The final `+ 0` is to normalize numbers with leading zeros.
359 result_obj["number"] = substr(line, 1, RLENGTH) + 0
360 line = substr(line, RLENGTH + 1)
364 result_obj["number"] = testno
367 if (plan_seen == LATE_PLAN)
368 # No further test results are acceptable after a "late" TAP plan
370 result_obj["is_unplanned"] = 1
371 else if (plan_seen && testno > planned_tests)
372 result_obj["is_unplanned"] = 1
374 result_obj["is_unplanned"] = 0
376 # Strip trailing and leading whitespace.
377 sub("^[ \t]*", "", line)
378 sub("[ \t]*$", "", line)
380 # This will have to be corrected if we have a "TODO"/"SKIP" directive.
381 result_obj["description"] = line
382 result_obj["directive"] = ""
383 result_obj["explanation"] = ""
385 # TODO: maybe we should allow a way to escape "#"?
386 if (index(line, "#") == 0)
387 return # No possible directive, nothing more to do.
389 # Directives are case-insensitive.
390 rx = "[ \t]*#[ \t]*([tT][oO][dD][oO]|[sS][kK][iI][pP])[ \t]*"
392 # See whether we have the directive, and if yes, where.
393 pos = match(line, rx "$")
395 pos = match(line, rx "[^a-zA-Z0-9_]")
397 # If there was no TAP directive, we have nothing more to do.
401 # Strip the directive and its explanation (if any) from the test
403 result_obj["description"] = substr(line, 1, pos - 1)
404 # Now remove the test description from the line, that has been dealt
406 line = substr(line, pos)
407 # Strip the directive, and save its value (normalized to upper case).
408 sub("^[ \t]*#[ \t]*", "", line)
409 result_obj["directive"] = toupper(substr(line, 1, 4))
410 line = substr(line, 5)
411 # Now get the explanation for the directive (if any), with leading
412 # and trailing whitespace removed.
413 sub("^[ \t]*", "", line)
414 sub("[ \t]*$", "", line)
415 result_obj["explanation"] = line
418 function get_test_exit_message(status)
422 if (status !~ /^[1-9][0-9]*$/)
423 abort("getting exit status")
426 else if (status == 127)
427 exit_details = " (command not found?)"
428 else if (status >= 128 && status <= 255)
429 exit_details = sprintf(" (terminated by signal %d?)", status - 128)
430 else if (status >= 256)
431 exit_details = " (abnormal termination)"
432 return sprintf("exited with status %d%s", status, exit_details)
435 function write_test_results()
437 print ":global-test-result: " get_global_test_result() > trs_file
438 print ":recheck: " yn(must_recheck()) > trs_file
439 print ":copy-in-global-log: " yn(copy_in_global_log()) > trs_file
440 for (i = 0; i < test_results_index; i += 1)
441 print ":test-result: " test_results_list[i] > trs_file
453 # Properly initialized once the TAP plan is seen.
456 COOKED_PASS = expect_failure ? "XPASS": "PASS";
457 COOKED_FAIL = expect_failure ? "XFAIL": "FAIL";
459 # Enumeration-like constants to remember which kind of plan (if any)
460 # has been seen. It is important that NO_PLAN evaluates "false" as
466 testno = 0 # Number of test results seen so far.
467 bailed_out = 0 # Whether a "Bail out!" directive has been seen.
469 # Whether the TAP plan has been seen or not, and if yes, which kind
470 # it is ("early" is seen before any test result, "late" otherwise).
481 # Involutions required so that we are able to read the exit status
482 # from the last input line.
484 if (st < 0) # I/O error.
485 fatal("I/O error while reading from input stream")
486 else if (st == 0) # End-of-input
489 abort("in input loop: only one input line")
504 # Copy any input line verbatim into the log file.
506 # Parsing of TAP input should stop after a "Bail out!" directive.
511 if ($0 ~ /^(not )?ok$/ || $0 ~ /^(not )?ok[^a-zA-Z0-9_]/)
517 # TAP plan (normal or "SKIP" without explanation).
518 else if ($0 ~ /^1\.\.[0-9]+[ \t]*$/)
520 # The next two lines will put the number of planned tests in $0.
523 handle_tap_plan($0, "")
526 # TAP "SKIP" plan, with an explanation.
527 else if ($0 ~ /^1\.\.0+[ \t]*#/)
529 # The next lines will put the skip explanation in $0, stripping
530 # any leading and trailing whitespace. This is a little more
531 # tricky in truth, since we want to also strip a potential leading
532 # "SKIP" string from the message.
533 sub("^[^#]*#[ \t]*(SKIP[: \t][ \t]*)?", "")
535 handle_tap_plan(0, $0)
538 else if ($0 ~ /^Bail out!/)
541 # Get the bailout message (if any), with leading and trailing
542 # whitespace stripped. The message remains stored in `$0`.
543 sub("^Bail out![ \t]*", "");
545 # Format the error message for the
546 bailout_message = "Bail out!"
548 bailout_message = bailout_message " " $0
549 testsuite_error(bailout_message)
551 # Maybe we have too look for dianogtic comments too.
552 else if (comments != 0)
554 comment = extract_tap_comment($0);
556 report("#", comment);
564 # A "Bail out!" directive should cause us to ignore any following TAP
565 # error, as well as a non-zero exit status from the TAP producer.
570 testsuite_error("missing test plan")
572 else if (planned_tests != testno)
574 bad_amount = testno > planned_tests ? "many" : "few"
575 testsuite_error(sprintf("too %s tests run (expected %d, got %d)",
576 bad_amount, planned_tests, testno))
580 # Fetch exit status from the last line.
581 exit_message = get_test_exit_message(nextline)
583 testsuite_error(exit_message)
591 } # End of "BEGIN" block.
594 # TODO: document that we consume the file descriptor 3 :-(
597 test $? -eq 0 || fatal "I/O or internal error"
602 # eval: (add-hook 'write-file-hooks 'time-stamp)
603 # time-stamp-start: "scriptversion="
604 # time-stamp-format: "%:y-%02m-%02d.%02H"
605 # time-stamp-time-zone: "UTC"
606 # time-stamp-end: "; # UTC"