xref: /freebsd/sys/contrib/openzfs/tests/test-runner/bin/zts-report.py.in (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)
1#!/usr/bin/env @PYTHON_SHEBANG@
2
3#
4# This file and its contents are supplied under the terms of the
5# Common Development and Distribution License ("CDDL"), version 1.0.
6# You may only use this file in accordance with the terms of version
7# 1.0 of the CDDL.
8#
9# A full copy of the text of the CDDL should have accompanied this
10# source.  A copy of the CDDL is also available via the Internet at
11# http://www.illumos.org/license/CDDL.
12#
13
14#
15# Copyright (c) 2017 by Delphix. All rights reserved.
16# Copyright (c) 2018 by Lawrence Livermore National Security, LLC.
17#
18# This script must remain compatible with Python 3.6+.
19#
20
21import os
22import re
23import sys
24import argparse
25
26#
27# This script parses the stdout of zfstest, which has this format:
28#
29# Test: /path/to/testa (run as root) [00:00] [PASS]
30# Test: /path/to/testb (run as jkennedy) [00:00] [PASS]
31# Test: /path/to/testc (run as root) [00:00] [FAIL]
32# [...many more results...]
33#
34# Results Summary
35# FAIL      22
36# SKIP      32
37# PASS    1156
38#
39# Running Time:   02:50:31
40# Percent passed: 95.5%
41# Log directory:  /var/tmp/test_results/20180615T205926
42#
43
44#
45# Common generic reasons for a test or test group to be skipped.
46#
47# Some test cases are known to fail in ways which are not harmful or dangerous.
48# In these cases simply mark the test as a known failure until it can be
49# updated and the issue resolved.  Note that it's preferable to open a unique
50# issue on the GitHub issue tracker for each test case failure.
51#
52known_reason = 'Known issue'
53
54#
55# Some tests require that a test user be able to execute the zfs utilities.
56# This may not be possible when testing in-tree due to the default permissions
57# on the user's home directory.  When testing this can be resolved by granting
58# group read access.
59#
60# chmod 0750 $HOME
61#
62exec_reason = 'Test user execute permissions required for utilities'
63
64#
65# Some tests require that the kernel supports renameat2 syscall.
66#
67renameat2_reason = 'Kernel renameat2 support required'
68
69#
70# Some tests require the O_TMPFILE flag which was first introduced in the
71# 3.11 kernel.
72#
73tmpfile_reason = 'Kernel O_TMPFILE support required'
74
75#
76# Some tests require the statx(2) system call on Linux which was first
77# introduced in the 4.11 kernel.
78#
79statx_reason = 'Kernel statx(2) system call required on Linux'
80
81#
82# Some tests require that the lsattr utility support the project id feature.
83#
84project_id_reason = 'lsattr with set/show project ID required'
85
86#
87# Some tests require that the kernel support user namespaces.
88#
89user_ns_reason = 'Kernel user namespace support required'
90
91#
92# Some rewind tests can fail since nothing guarantees that old MOS blocks
93# are not overwritten.  Snapshots protect datasets and data files but not
94# the MOS.  Reasonable efforts are made in the test case to increase the
95# odds that some txgs will have their MOS data left untouched, but it is
96# never a sure thing.
97#
98rewind_reason = 'Arbitrary pool rewind is not guaranteed'
99
100#
101# Some tests require a minimum version of the fio benchmark utility.
102# Older distributions such as CentOS 6.x only provide fio-2.0.13.
103#
104fio_reason = 'Fio v2.3 or newer required'
105
106#
107# Some tests require that the DISKS provided support the discard operation.
108# Normally this is not an issue because loop back devices are used for DISKS
109# and they support discard (TRIM/UNMAP).
110#
111trim_reason = 'DISKS must support discard (TRIM/UNMAP)'
112
113#
114# Some tests on FreeBSD require the fspacectl(2) system call and the
115# truncate(1) utility supporting the -d option.  The system call was first
116# introduced in FreeBSD version 1400032.
117#
118fspacectl_reason = 'fspacectl(2) and truncate -d support required'
119
120#
121# Some tests are not applicable to a platform or need to be updated to operate
122# in the manor required by the platform.  Any tests which are skipped for this
123# reason will be suppressed in the final analysis output.
124#
125na_reason = "Not applicable"
126
127#
128# Some test cases doesn't have all requirements to run on Github actions CI.
129#
130ci_reason = 'CI runner doesn\'t have all requirements'
131
132#
133# Idmapped mount is only supported in kernel version >= 5.12
134#
135idmap_reason = 'Idmapped mount needs kernel 5.12+'
136
137#
138# copy_file_range() is not supported by all kernels
139#
140cfr_reason = 'Kernel copy_file_range support required'
141
142if sys.platform.startswith('freebsd'):
143    cfr_cross_reason = 'copy_file_range(2) cross-filesystem needs FreeBSD 14+'
144else:
145    cfr_cross_reason = 'copy_file_range(2) cross-filesystem needs kernel 5.3+'
146
147#
148# These tests are known to fail, thus we use this list to prevent these
149# failures from failing the job as a whole; only unexpected failures
150# bubble up to cause this script to exit with a non-zero exit status.
151#
152# Format: { 'test-name': ['expected result', 'issue-number | reason'] }
153#
154# For each known failure it is recommended to link to a GitHub issue by
155# setting the reason to the issue number.  Alternately, one of the generic
156# reasons listed above can be used.
157#
158known = {
159    'casenorm/mixed_none_lookup_ci': ['FAIL', 7633],
160    'casenorm/mixed_formd_lookup_ci': ['FAIL', 7633],
161    'cli_root/zpool_import/import_rewind_device_replaced':
162        ['FAIL', rewind_reason],
163    'cli_user/misc/zfs_share_001_neg': ['SKIP', na_reason],
164    'cli_user/misc/zfs_unshare_001_neg': ['SKIP', na_reason],
165    'pool_checkpoint/checkpoint_discard_busy': ['SKIP', 12053],
166    'privilege/setup': ['SKIP', na_reason],
167    'refreserv/refreserv_004_pos': ['FAIL', known_reason],
168    'rootpool/setup': ['SKIP', na_reason],
169    'rsend/rsend_008_pos': ['SKIP', 6066],
170    'vdev_zaps/vdev_zaps_007_pos': ['FAIL', known_reason],
171}
172
173if sys.platform.startswith('freebsd'):
174    known.update({
175        'cli_root/zfs_receive/receive-o-x_props_override':
176            ['FAIL', known_reason],
177        'cli_root/zpool_resilver/zpool_resilver_concurrent':
178            ['SKIP', na_reason],
179        'cli_root/zpool_wait/zpool_wait_trim_basic': ['SKIP', trim_reason],
180        'cli_root/zpool_wait/zpool_wait_trim_cancel': ['SKIP', trim_reason],
181        'cli_root/zpool_wait/zpool_wait_trim_flag': ['SKIP', trim_reason],
182        'cli_root/zfs_unshare/zfs_unshare_008_pos': ['SKIP', na_reason],
183        'cp_files/cp_files_002_pos': ['SKIP', na_reason],
184        'link_count/link_count_001': ['SKIP', na_reason],
185        'casenorm/mixed_create_failure': ['FAIL', 13215],
186        'mmap/mmap_sync_001_pos': ['SKIP', na_reason],
187        'rsend/send_raw_ashift': ['SKIP', 14961],
188    })
189elif sys.platform.startswith('linux'):
190    known.update({
191        'casenorm/mixed_formd_lookup': ['FAIL', 7633],
192        'casenorm/mixed_formd_delete': ['FAIL', 7633],
193        'casenorm/sensitive_formd_lookup': ['FAIL', 7633],
194        'casenorm/sensitive_formd_delete': ['FAIL', 7633],
195        'removal/removal_with_zdb': ['SKIP', known_reason],
196        'cli_root/zfs_unshare/zfs_unshare_002_pos': ['SKIP', na_reason],
197    })
198
199
200#
201# These tests may occasionally fail or be skipped.  We want there failures
202# to be reported but only unexpected failures should bubble up to cause
203# this script to exit with a non-zero exit status.
204#
205# Format: { 'test-name': ['expected result', 'issue-number | reason'] }
206#
207# For each known failure it is recommended to link to a GitHub issue by
208# setting the reason to the issue number.  Alternately, one of the generic
209# reasons listed above can be used.
210#
211maybe = {
212    'append/threadsappend_001_pos': ['FAIL', 6136],
213    'chattr/setup': ['SKIP', exec_reason],
214    'crtime/crtime_001_pos': ['SKIP', statx_reason],
215    'cli_root/zdb/zdb_006_pos': ['FAIL', known_reason],
216    'cli_root/zfs_destroy/zfs_destroy_dev_removal_condense':
217        ['FAIL', known_reason],
218    'cli_root/zfs_get/zfs_get_004_pos': ['FAIL', known_reason],
219    'cli_root/zfs_get/zfs_get_009_pos': ['SKIP', 5479],
220    'cli_root/zfs_rollback/zfs_rollback_001_pos': ['FAIL', known_reason],
221    'cli_root/zfs_rollback/zfs_rollback_002_pos': ['FAIL', known_reason],
222    'cli_root/zfs_share/zfs_share_concurrent_shares': ['FAIL', known_reason],
223    'cli_root/zfs_snapshot/zfs_snapshot_002_neg': ['FAIL', known_reason],
224    'cli_root/zfs_unshare/zfs_unshare_006_pos': ['SKIP', na_reason],
225    'cli_root/zpool_add/zpool_add_004_pos': ['FAIL', known_reason],
226    'cli_root/zpool_destroy/zpool_destroy_001_pos': ['SKIP', 6145],
227    'cli_root/zpool_import/zpool_import_missing_003_pos': ['SKIP', 6839],
228    'cli_root/zpool_initialize/zpool_initialize_import_export':
229        ['FAIL', 11948],
230    'cli_root/zpool_labelclear/zpool_labelclear_removed':
231        ['FAIL', known_reason],
232    'cli_root/zpool_trim/setup': ['SKIP', trim_reason],
233    'cli_root/zpool_upgrade/zpool_upgrade_004_pos': ['FAIL', 6141],
234    'delegate/setup': ['SKIP', exec_reason],
235    'fallocate/fallocate_punch-hole': ['SKIP', fspacectl_reason],
236    'history/history_004_pos': ['FAIL', 7026],
237    'history/history_005_neg': ['FAIL', 6680],
238    'history/history_006_neg': ['FAIL', 5657],
239    'history/history_008_pos': ['FAIL', known_reason],
240    'history/history_010_pos': ['SKIP', exec_reason],
241    'io/mmap': ['SKIP', fio_reason],
242    'largest_pool/largest_pool_001_pos': ['FAIL', known_reason],
243    'mmp/mmp_on_uberblocks': ['FAIL', known_reason],
244    'pam/setup': ['SKIP', "pamtester might be not available"],
245    'pool_checkpoint/checkpoint_discard_busy': ['FAIL', 11946],
246    'projectquota/setup': ['SKIP', exec_reason],
247    'removal/removal_condense_export': ['FAIL', known_reason],
248    'renameat2/setup': ['SKIP', renameat2_reason],
249    'reservation/reservation_008_pos': ['FAIL', 7741],
250    'reservation/reservation_018_pos': ['FAIL', 5642],
251    'snapshot/clone_001_pos': ['FAIL', known_reason],
252    'snapshot/snapshot_009_pos': ['FAIL', 7961],
253    'snapshot/snapshot_010_pos': ['FAIL', 7961],
254    'snapused/snapused_004_pos': ['FAIL', 5513],
255    'tmpfile/setup': ['SKIP', tmpfile_reason],
256    'trim/setup': ['SKIP', trim_reason],
257    'upgrade/upgrade_projectquota_001_pos': ['SKIP', project_id_reason],
258    'user_namespace/setup': ['SKIP', user_ns_reason],
259    'userquota/setup': ['SKIP', exec_reason],
260    'vdev_zaps/vdev_zaps_004_pos': ['FAIL', known_reason],
261    'zvol/zvol_ENOSPC/zvol_ENOSPC_001_pos': ['FAIL', 5848],
262}
263
264if sys.platform.startswith('freebsd'):
265    maybe.update({
266        'cli_root/zfs_copies/zfs_copies_002_pos': ['FAIL', known_reason],
267        'cli_root/zfs_inherit/zfs_inherit_001_neg': ['FAIL', known_reason],
268        'cli_root/zpool_import/zpool_import_012_pos': ['FAIL', known_reason],
269        'delegate/zfs_allow_003_pos': ['FAIL', known_reason],
270        'inheritance/inherit_001_pos': ['FAIL', 11829],
271        'pool_checkpoint/checkpoint_big_rewind': ['FAIL', 12622],
272        'pool_checkpoint/checkpoint_indirect': ['FAIL', 12623],
273        'resilver/resilver_restart_001': ['FAIL', known_reason],
274        'snapshot/snapshot_002_pos': ['FAIL', '14831'],
275        'bclone/bclone_crossfs_corner_cases': ['SKIP', cfr_cross_reason],
276        'bclone/bclone_crossfs_corner_cases_limited':
277            ['SKIP', cfr_cross_reason],
278        'bclone/bclone_crossfs_data': ['SKIP', cfr_cross_reason],
279        'bclone/bclone_crossfs_embedded': ['SKIP', cfr_cross_reason],
280        'bclone/bclone_crossfs_hole': ['SKIP', cfr_cross_reason],
281        'bclone/bclone_diffprops_all': ['SKIP', cfr_cross_reason],
282        'bclone/bclone_diffprops_checksum': ['SKIP', cfr_cross_reason],
283        'bclone/bclone_diffprops_compress': ['SKIP', cfr_cross_reason],
284        'bclone/bclone_diffprops_copies': ['SKIP', cfr_cross_reason],
285        'bclone/bclone_diffprops_recordsize': ['SKIP', cfr_cross_reason],
286        'bclone/bclone_prop_sync': ['SKIP', cfr_cross_reason],
287        'block_cloning/block_cloning_cross_enc_dataset':
288            ['SKIP', cfr_cross_reason],
289        'block_cloning/block_cloning_copyfilerange_cross_dataset':
290            ['SKIP', cfr_cross_reason]
291    })
292elif sys.platform.startswith('linux'):
293    maybe.update({
294        'bclone/bclone_crossfs_corner_cases': ['SKIP', cfr_cross_reason],
295        'bclone/bclone_crossfs_corner_cases_limited':
296            ['SKIP', cfr_cross_reason],
297        'bclone/bclone_crossfs_data': ['SKIP', cfr_cross_reason],
298        'bclone/bclone_crossfs_embedded': ['SKIP', cfr_cross_reason],
299        'bclone/bclone_crossfs_hole': ['SKIP', cfr_cross_reason],
300        'bclone/bclone_diffprops_all': ['SKIP', cfr_cross_reason],
301        'bclone/bclone_diffprops_checksum': ['SKIP', cfr_cross_reason],
302        'bclone/bclone_diffprops_compress': ['SKIP', cfr_cross_reason],
303        'bclone/bclone_diffprops_copies': ['SKIP', cfr_cross_reason],
304        'bclone/bclone_diffprops_recordsize': ['SKIP', cfr_cross_reason],
305        'bclone/bclone_prop_sync': ['SKIP', cfr_cross_reason],
306        'bclone/bclone_samefs_corner_cases': ['SKIP', cfr_reason],
307        'bclone/bclone_samefs_corner_cases_limited': ['SKIP', cfr_reason],
308        'bclone/bclone_samefs_data': ['SKIP', cfr_reason],
309        'bclone/bclone_samefs_embedded': ['SKIP', cfr_reason],
310        'bclone/bclone_samefs_hole': ['SKIP', cfr_reason],
311        'block_cloning/block_cloning_clone_mmap_cached': ['SKIP', cfr_reason],
312        'block_cloning/block_cloning_clone_mmap_write':
313            ['SKIP', cfr_reason],
314        'block_cloning/block_cloning_copyfilerange':
315            ['SKIP', cfr_reason],
316        'block_cloning/block_cloning_copyfilerange_cross_dataset':
317            ['SKIP', cfr_cross_reason],
318        'block_cloning/block_cloning_copyfilerange_fallback':
319            ['SKIP', cfr_reason],
320        'block_cloning/block_cloning_copyfilerange_fallback_same_txg':
321            ['SKIP', cfr_cross_reason],
322        'block_cloning/block_cloning_copyfilerange_partial':
323            ['SKIP', cfr_reason],
324        'block_cloning/block_cloning_cross_enc_dataset':
325            ['SKIP', cfr_cross_reason],
326        'block_cloning/block_cloning_disabled_copyfilerange':
327            ['SKIP', cfr_reason],
328        'block_cloning/block_cloning_lwb_buffer_overflow':
329            ['SKIP', cfr_reason],
330        'block_cloning/block_cloning_replay':
331            ['SKIP', cfr_reason],
332        'block_cloning/block_cloning_replay_encrypted':
333            ['SKIP', cfr_reason],
334        'cli_root/zfs_rename/zfs_rename_002_pos': ['FAIL', known_reason],
335        'cli_root/zpool_reopen/zpool_reopen_003_pos': ['FAIL', known_reason],
336        'cp_files/cp_files_002_pos': ['SKIP', cfr_reason],
337        'fault/auto_online_002_pos': ['FAIL', 11889],
338        'fault/auto_replace_001_pos': ['FAIL', 14851],
339        'fault/auto_spare_002_pos': ['FAIL', 11889],
340        'fault/auto_spare_multiple': ['FAIL', 11889],
341        'fault/auto_spare_shared': ['FAIL', 11889],
342        'fault/decompress_fault': ['FAIL', 11889],
343        'idmap_mount/idmap_mount_001': ['SKIP', idmap_reason],
344        'idmap_mount/idmap_mount_002': ['SKIP', idmap_reason],
345        'idmap_mount/idmap_mount_003': ['SKIP', idmap_reason],
346        'idmap_mount/idmap_mount_004': ['SKIP', idmap_reason],
347        'idmap_mount/idmap_mount_005': ['SKIP', idmap_reason],
348        'io/io_uring': ['SKIP', 'io_uring support required'],
349        'limits/filesystem_limit': ['SKIP', known_reason],
350        'limits/snapshot_limit': ['SKIP', known_reason],
351        'mmp/mmp_active_import': ['FAIL', known_reason],
352        'mmp/mmp_exported_import': ['FAIL', known_reason],
353        'mmp/mmp_inactive_import': ['FAIL', known_reason],
354        'zvol/zvol_misc/zvol_misc_fua': ['SKIP', 14872],
355        'zvol/zvol_misc/zvol_misc_snapdev': ['FAIL', 12621],
356        'zvol/zvol_misc/zvol_misc_trim': ['SKIP', 14872],
357        'zvol/zvol_misc/zvol_misc_volmode': ['FAIL', known_reason],
358    })
359
360# Not all Github actions runners have scsi_debug module, so we may skip
361#   some tests which use it.
362if os.environ.get('CI') == 'true':
363    known.update({
364        'cli_root/zpool_expand/zpool_expand_001_pos': ['SKIP', ci_reason],
365        'cli_root/zpool_expand/zpool_expand_003_neg': ['SKIP', ci_reason],
366        'cli_root/zpool_expand/zpool_expand_005_pos': ['SKIP', ci_reason],
367        'cli_root/zpool_reopen/setup': ['SKIP', ci_reason],
368        'cli_root/zpool_reopen/zpool_reopen_001_pos': ['SKIP', ci_reason],
369        'cli_root/zpool_reopen/zpool_reopen_002_pos': ['SKIP', ci_reason],
370        'cli_root/zpool_reopen/zpool_reopen_003_pos': ['SKIP', ci_reason],
371        'cli_root/zpool_reopen/zpool_reopen_004_pos': ['SKIP', ci_reason],
372        'cli_root/zpool_reopen/zpool_reopen_005_pos': ['SKIP', ci_reason],
373        'cli_root/zpool_reopen/zpool_reopen_006_neg': ['SKIP', ci_reason],
374        'cli_root/zpool_reopen/zpool_reopen_007_pos': ['SKIP', ci_reason],
375        'cli_root/zpool_split/zpool_split_wholedisk': ['SKIP', ci_reason],
376        'fault/auto_offline_001_pos': ['SKIP', ci_reason],
377        'fault/auto_online_001_pos': ['SKIP', ci_reason],
378        'fault/auto_online_002_pos': ['SKIP', ci_reason],
379        'fault/auto_replace_001_pos': ['SKIP', ci_reason],
380        'fault/auto_replace_002_pos': ['SKIP', ci_reason],
381        'fault/auto_spare_ashift': ['SKIP', ci_reason],
382        'fault/auto_spare_shared': ['SKIP', ci_reason],
383        'procfs/pool_state': ['SKIP', ci_reason],
384    })
385
386    maybe.update({
387        'events/events_002_pos': ['FAIL', 11546],
388    })
389
390
391def process_results(pathname):
392    try:
393        f = open(pathname)
394    except IOError as e:
395        print('Error opening file:', e)
396        sys.exit(1)
397
398    prefix = '/zfs-tests/tests/(?:functional|perf/regression)/'
399    pattern = \
400        r'^Test(?:\s+\(\S+\))?:' + \
401        rf'\s*\S*{prefix}(\S+)' + \
402        r'\s*\(run as (\S+)\)\s*\[(\S+)\]\s*\[(\S+)\]'
403    pattern_log = r'^\s*Log directory:\s*(\S*)'
404
405    d = {}
406    logdir = 'Could not determine log directory.'
407    for line in f.readlines():
408        m = re.match(pattern, line)
409        if m and len(m.groups()) == 4:
410            d[m.group(1)] = m.group(4)
411            continue
412
413        m = re.match(pattern_log, line)
414        if m:
415            logdir = m.group(1)
416
417    return d, logdir
418
419
420class ListMaybesAction(argparse.Action):
421    def __init__(self,
422                 option_strings,
423                 dest="SUPPRESS",
424                 default="SUPPRESS",
425                 help="list flaky tests and exit"):
426        super(ListMaybesAction, self).__init__(
427            option_strings=option_strings,
428            dest=dest,
429            default=default,
430            nargs=0,
431            help=help)
432
433    def __call__(self, parser, namespace, values, option_string=None):
434        for test in maybe:
435            print(test)
436        sys.exit(0)
437
438
439if __name__ == "__main__":
440    parser = argparse.ArgumentParser(description='Analyze ZTS logs')
441    parser.add_argument('logfile')
442    parser.add_argument('--list-maybes', action=ListMaybesAction)
443    parser.add_argument('--no-maybes', action='store_false', dest='maybes')
444    args = parser.parse_args()
445
446    results, logdir = process_results(args.logfile)
447
448    if not results:
449        print("\n\nNo test results were found.")
450        print("Log directory:", logdir)
451        sys.exit(0)
452
453    expected = []
454    unexpected = []
455    all_maybes = True
456
457    for test in list(results.keys()):
458        if results[test] == "PASS":
459            continue
460
461        setup = test.replace(os.path.basename(test), "setup")
462        if results[test] == "SKIP" and test != setup:
463            if setup in known and known[setup][0] == "SKIP":
464                continue
465            if setup in maybe and maybe[setup][0] == "SKIP":
466                continue
467
468        if (test in known and results[test] in known[test][0]):
469            expected.append(test)
470        elif test in maybe and results[test] in maybe[test][0]:
471            if results[test] == 'SKIP' or args.maybes:
472                expected.append(test)
473            elif not args.maybes:
474                unexpected.append(test)
475        else:
476            unexpected.append(test)
477            all_maybes = False
478
479    print("\nTests with results other than PASS that are expected:")
480    for test in sorted(expected):
481        issue_url = 'https://github.com/openzfs/zfs/issues/'
482
483        # Include the reason why the result is expected, given the following:
484        # 1. Suppress test results which set the "Not applicable" reason.
485        # 2. Numerical reasons are assumed to be GitHub issue numbers.
486        # 3. When an entire test group is skipped only report the setup reason.
487        if test in known:
488            if known[test][1] == na_reason:
489                continue
490            elif isinstance(known[test][1], int):
491                expect = f"{issue_url}{known[test][1]}"
492            else:
493                expect = known[test][1]
494        elif test in maybe:
495            if isinstance(maybe[test][1], int):
496                expect = f"{issue_url}{maybe[test][1]}"
497            else:
498                expect = maybe[test][1]
499        elif setup in known and known[setup][0] == "SKIP" and setup != test:
500            continue
501        elif setup in maybe and maybe[setup][0] == "SKIP" and setup != test:
502            continue
503        else:
504            expect = "UNKNOWN REASON"
505        print(f"    {results[test]} {test} ({expect})")
506
507    print("\nTests with result of PASS that are unexpected:")
508    for test in sorted(known.keys()):
509        # We probably should not be silently ignoring the case
510        # where "test" is not in "results".
511        if test not in results or results[test] != "PASS":
512            continue
513        print(f"    {results[test]} {test} (expected {known[test][0]})")
514
515    print("\nTests with results other than PASS that are unexpected:")
516    for test in sorted(unexpected):
517        expect = "PASS" if test not in known else known[test][0]
518        print(f"    {results[test]} {test} (expected {expect})")
519
520    if len(unexpected) == 0:
521        sys.exit(0)
522    elif not args.maybes and all_maybes:
523        sys.exit(2)
524    else:
525        sys.exit(1)
526