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 # ---------------------------------- #
27 # Imports, static data, and setup. #
28 # ---------------------------------- #
30 use warnings FATAL => 'all';
35 my $VERSION = '2011-09-07.15'; # UTC
37 my $ME = "tap-driver.pl";
41 tap-driver --test-name=NAME --log-file=PATH --trs-file=PATH
42 [--expect-failure={yes|no}] [--color-tests={yes|no}]
43 [--enable-hard-errors={yes|no}] [--ignore-exit]
44 [--diagnostic-string=STRING] [--merge|--no-merge]
45 [--comments|--no-comments] [--] TEST-COMMAND
46 The `--test-name', `--log-file' and `--trs-file' options are mandatory.
49 my $HELP = "$ME: TAP-aware test driver for Automake testsuite harness." .
52 # Keep this in sync with `lib/am/check.am:$(am__tty_colors)'.
63 # It's important that NO_PLAN evaluates "false" as a boolean.
64 use constant NO_PLAN => 0;
65 use constant EARLY_PLAN => 1;
66 use constant LATE_PLAN => 2;
68 # ------------------- #
70 # ------------------- #
72 my $testno = 0; # Number of test results seen so far.
73 my $bailed_out = 0; # Whether a "Bail out!" directive has been seen.
74 my $parser; # TAP parser object (will be initialized later).
76 # Whether the TAP plan has been seen or not, and if yes, which kind
77 # it is ("early" is seen before any test result, "late" otherwise).
78 my $plan_seen = NO_PLAN;
86 "expect-failure" => 0,
92 my $test_script_name = undef;
95 my $diag_string = "#";
97 Getopt::Long::GetOptions
99 'help' => sub { print $HELP; exit 0; },
100 'version' => sub { print "$ME $VERSION\n"; exit 0; },
101 'test-name=s' => \$test_script_name,
102 'log-file=s' => \$log_file,
103 'trs-file=s' => \$trs_file,
104 'color-tests=s' => \&bool_opt,
105 'expect-failure=s' => \&bool_opt,
106 'enable-hard-errors=s' => sub {}, # No-op.
107 'diagnostic-string=s' => \$diag_string,
108 'comments' => sub { $cfg{"comments"} = 1; },
109 'no-comments' => sub { $cfg{"comments"} = 0; },
110 'merge' => sub { $cfg{"merge"} = 1; },
111 'no-merge' => sub { $cfg{"merge"} = 0; },
112 'ignore-exit' => sub { $cfg{"ignore-exit"} = 1; },
119 sub add_test_result ($);
122 sub copy_in_global_log ();
123 sub decorate_result ($);
124 sub extract_tap_comment ($);
125 sub get_global_test_result ();
126 sub get_test_exit_message ();
127 sub get_test_results ();
128 sub handle_tap_bailout ($);
129 sub handle_tap_plan ($);
130 sub handle_tap_result ($);
131 sub is_null_string ($);
136 sub stringify_result_obj ($);
137 sub testsuite_error ($);
138 sub trap_perl_warnings_and_errors ();
139 sub write_test_results ();
148 my ($opt, $val) = @_;
149 if ($val =~ /^(?:y|yes)\z/i)
153 elsif ($val =~ /^(?:n|no)\z/i)
159 die "$ME: invalid argument '$val' for option '$opt'\n";
163 # If the given string is undefined or empty, return true, otherwise
164 # return false. This function is useful to avoid pitfalls like:
165 # if ($message) { print "$message\n"; }
166 # which wouldn't print anything if $message is the literal "0".
167 sub is_null_string ($)
170 return ! (defined $str and length $str);
173 # Convert a boolean to a "yes"/"no" string.
177 return $bool ? "yes" : "no";
182 my (@test_results_list, %test_results_seen);
184 sub add_test_result ($)
187 push @test_results_list, $res;
188 $test_results_seen{$res} = 1;
191 sub get_test_results ()
193 return @test_results_list;
196 # Whether the test script should be re-run by "make recheck".
199 return grep { !/^(?:XFAIL|PASS|SKIP)$/ } (keys %test_results_seen);
202 # Whether the content of the log file associated to this test should
203 # be copied into the "global" test-suite.log.
204 sub copy_in_global_log ()
206 return grep { not $_ eq "PASS" } (keys %test_results_seen);
209 # FIXME: this can certainly be improved ...
210 sub get_global_test_result ()
213 if $test_results_seen{"ERROR"};
215 if $test_results_seen{"FAIL"} || $test_results_seen{"XPASS"};
217 if scalar keys %test_results_seen == 1 && $test_results_seen{"SKIP"};
223 sub write_test_results ()
225 open RES, ">", $trs_file or die "$ME: opening $trs_file: $!\n";
226 print RES ":global-test-result: " . get_global_test_result . "\n";
227 print RES ":recheck: " . yn (must_recheck) . "\n";
228 print RES ":copy-in-global-log: " . yn (copy_in_global_log) . "\n";
229 foreach my $result (get_test_results)
231 print RES ":test-result: $result\n";
233 close RES or die "$ME: closing $trs_file: $!\n";
236 sub trap_perl_warnings_and_errors ()
238 $SIG{__WARN__} = $SIG{__DIE__} = sub
240 # Be sure to send the warning/error message to the original stderr
241 # (presumably the console), not into the log file.
242 open STDERR, ">&OLDERR";
249 # Redirect stderr and stdout to a temporary log file. Save the
250 # original stdout stream, since we need it to print testsuite
251 # progress output. Save original stderr stream, so that we can
252 # redirect warning and error messages from perl there.
253 open LOG, ">", $log_file or die "$ME: opening $log_file: $!\n";
254 open OLDOUT, ">&STDOUT" or die "$ME: duplicating stdout: $!\n";
255 open OLDERR, ">&STDERR" or die "$ME: duplicating stdout: $!\n";
256 *OLDERR = *OLDERR; # To pacify a "used only once" warning.
257 trap_perl_warnings_and_errors;
258 open STDOUT, ">&LOG" or die "$ME: redirecting stdout: $!\n";
259 open STDERR, ">&LOG" or die "$ME: redirecting stderr: $!\n";
260 $parser = TAP::Parser->new ({ exec => \@_, merge => $cfg{merge} });
263 sub get_test_exit_message ()
265 my $wstatus = $parser->wait;
266 # Watch out for possible internal errors.
267 die "$ME: couldn't get the exit ststus of the TAP producer"
268 unless defined $wstatus;
269 # Return an undefined value if the producer exited with success.
270 return unless $wstatus;
271 # Otherwise, determine whether it exited with error or was terminated
273 use POSIX qw (WIFEXITED WEXITSTATUS WIFSIGNALED WTERMSIG);
274 if (WIFEXITED ($wstatus))
276 return sprintf "exited with status %d", WEXITSTATUS ($wstatus);
278 elsif (WIFSIGNALED ($wstatus))
280 return sprintf "terminated by signal %d", WTERMSIG ($wstatus);
284 return "terminated abnormally";
288 sub stringify_result_obj ($)
290 my $result_obj = shift;
291 my $COOKED_PASS = $cfg{"expect-failure"} ? "XPASS": "PASS";
292 my $COOKED_FAIL = $cfg{"expect-failure"} ? "XFAIL": "FAIL";
293 if ($result_obj->is_unplanned || $result_obj->number != $testno)
297 elsif ($plan_seen == LATE_PLAN)
301 elsif (!$result_obj->directive)
303 return $result_obj->is_ok ? $COOKED_PASS: $COOKED_FAIL;
305 elsif ($result_obj->has_todo)
307 return $result_obj->is_actual_ok ? "XPASS" : "XFAIL";
309 elsif ($result_obj->has_skip)
311 return $result_obj->is_ok ? "SKIP" : $COOKED_FAIL;
313 die "$ME: INTERNAL ERROR"; # NOTREACHED
318 my ($color_name, $text) = @_;
319 return $COLOR{$color_name} . $text . $COLOR{'std'};
322 sub decorate_result ($)
325 return $result unless $cfg{"color-tests"};
326 my %color_for_result =
335 if (my $color = $color_for_result{$result})
337 return colored ($color, $result);
341 return $result; # Don't colorize unknown stuff.
347 my ($msg, $result, $explanation) = (undef, @_);
348 if ($result =~ /^(?:X?(?:PASS|FAIL)|SKIP|ERROR)/)
350 $msg = ": $test_script_name";
351 add_test_result $result;
353 elsif ($result eq "#")
355 $msg = " $test_script_name:";
359 die "$ME: INTERNAL ERROR"; # NOTREACHED
361 $msg .= " $explanation" if defined $explanation;
363 # Output on console might be colorized.
364 print OLDOUT decorate_result ($result) . $msg;
365 # Log the result in the log file too, to help debugging (this is
366 # especially true when said result is a TAP error or "Bail out!").
367 print $result . $msg;
370 sub testsuite_error ($)
372 report "ERROR", "- $_[0]";
375 sub handle_tap_result ($)
378 my $result_obj = shift;
380 my $test_result = stringify_result_obj $result_obj;
381 my $string = $result_obj->number;
383 my $description = $result_obj->description;
384 $string .= " $description"
385 unless is_null_string $description;
387 if ($plan_seen == LATE_PLAN)
389 $string .= " # AFTER LATE PLAN";
391 elsif ($result_obj->is_unplanned)
393 $string .= " # UNPLANNED";
395 elsif ($result_obj->number != $testno)
397 $string .= " # OUT-OF-ORDER (expecting $testno)";
399 elsif (my $directive = $result_obj->directive)
401 $string .= " # $directive";
402 my $explanation = $result_obj->explanation;
403 $string .= " $explanation"
404 unless is_null_string $explanation;
407 report $test_result, $string;
410 sub handle_tap_plan ($)
415 # Error, only one plan per stream is acceptable.
416 testsuite_error "multiple test plans";
419 # The TAP plan can come before or after *all* the TAP results; we speak
420 # respectively of an "early" or a "late" plan. If we see the plan line
421 # after at least one TAP result has been seen, assume we have a late
422 # plan; in this case, any further test result seen after the plan will
423 # be flagged as an error.
424 $plan_seen = ($testno >= 1 ? LATE_PLAN : EARLY_PLAN);
425 # If $testno > 0, we have an error ("too many tests run") that will be
426 # automatically dealt with later, so don't worry about it here. If
427 # $plan_seen is true, we have an error due to a repeated plan, and that
428 # has already been dealt with above. Otherwise, we have a valid "plan
429 # with SKIP" specification, and should report it as a particular kind
431 if ($plan->directive && $testno == 0)
433 my $explanation = is_null_string ($plan->explanation) ?
434 undef : "- " . $plan->explanation;
435 report "SKIP", $explanation;
439 sub handle_tap_bailout ($)
441 my ($bailout, $msg) = ($_[0], "Bail out!");
443 $msg .= " " . $bailout->explanation
444 unless is_null_string $bailout->explanation;
445 testsuite_error $msg;
448 sub extract_tap_comment ($)
451 if (index ($line, $diag_string) == 0)
453 # Strip leading `$diag_string' from `$line'.
454 $line = substr ($line, length ($diag_string));
455 # And strip any leading and trailing whitespace left.
456 $line =~ s/(?:^\s*|\s*$)//g;
457 # Return what is left (if any).
467 while (defined (my $cur = $parser->next))
469 # Verbatim copy any input line into the log file.
470 print $cur->raw . "\n";
471 # Parsing of TAP input should stop after a "Bail out!" directive.
476 handle_tap_plan ($cur);
478 elsif ($cur->is_test)
480 handle_tap_result ($cur);
482 elsif ($cur->is_bailout)
484 handle_tap_bailout ($cur);
486 elsif ($cfg{comments})
488 my $comment = extract_tap_comment ($cur->raw);
489 report "#", "$comment" if length $comment;
492 # A "Bail out!" directive should cause us to ignore any following TAP
493 # error, as well as a non-zero exit status from the TAP producer.
498 testsuite_error "missing test plan";
500 elsif ($parser->tests_planned != $parser->tests_run)
502 my ($planned, $run) = ($parser->tests_planned, $parser->tests_run);
503 my $bad_amount = $run > $planned ? "many" : "few";
504 testsuite_error (sprintf "too %s tests run (expected %d, got %d)",
505 $bad_amount, $planned, $run);
507 if (!$cfg{"ignore-exit"})
509 my $msg = get_test_exit_message ();
510 testsuite_error $msg if $msg;
514 close LOG or die "$ME: closing $log_file: $!\n";
525 # perl-indent-level: 2
526 # perl-continued-statement-offset: 2
527 # perl-continued-brace-offset: 0
528 # perl-brace-offset: 0
529 # perl-brace-imaginary-offset: 0
530 # perl-label-offset: -2
531 # cperl-indent-level: 2
532 # cperl-brace-offset: 0
533 # cperl-continued-brace-offset: 0
534 # cperl-label-offset: -2
535 # cperl-extra-newline-before-brace: t
536 # cperl-merge-trailing-else: nil
537 # cperl-continued-statement-offset: 2
538 # eval: (add-hook 'write-file-hooks 'time-stamp)
539 # time-stamp-start: "my $VERSION = "
540 # time-stamp-format: "'%:y-%02m-%02d.%02H'"
541 # time-stamp-time-zone: "UTC"
542 # time-stamp-end: "; # UTC"