aboutsummaryrefslogtreecommitdiff
path: root/test/functional/test_runner.py
blob: 9f885ae4b092c4090920598c9fb6cc2def341ec8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
#!/usr/bin/env python3
# Copyright (c) 2014-2019 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Run regression test suite.

This module calls down into individual test cases via subprocess. It will
forward all unrecognized arguments onto the individual test scripts.

For a description of arguments recognized by test scripts, see
`test/functional/test_framework/test_framework.py:BitcoinTestFramework.main`.

"""

import argparse
from collections import deque
import configparser
import datetime
import os
import time
import shutil
import subprocess
import sys
import tempfile
import re
import logging

# Formatting. Default colors to empty strings.
BOLD, GREEN, RED, GREY = ("", ""), ("", ""), ("", ""), ("", "")
try:
    # Make sure python thinks it can write unicode to its stdout
    "\u2713".encode("utf_8").decode(sys.stdout.encoding)
    TICK = "✓ "
    CROSS = "✖ "
    CIRCLE = "○ "
except UnicodeDecodeError:
    TICK = "P "
    CROSS = "x "
    CIRCLE = "o "

if os.name != 'nt' or sys.getwindowsversion() >= (10, 0, 14393):
    if os.name == 'nt':
        import ctypes
        kernel32 = ctypes.windll.kernel32
        ENABLE_VIRTUAL_TERMINAL_PROCESSING = 4
        STD_OUTPUT_HANDLE = -11
        STD_ERROR_HANDLE = -12
        # Enable ascii color control to stdout
        stdout = kernel32.GetStdHandle(STD_OUTPUT_HANDLE)
        stdout_mode = ctypes.c_int32()
        kernel32.GetConsoleMode(stdout, ctypes.byref(stdout_mode))
        kernel32.SetConsoleMode(stdout, stdout_mode.value | ENABLE_VIRTUAL_TERMINAL_PROCESSING)
        # Enable ascii color control to stderr
        stderr = kernel32.GetStdHandle(STD_ERROR_HANDLE)
        stderr_mode = ctypes.c_int32()
        kernel32.GetConsoleMode(stderr, ctypes.byref(stderr_mode))
        kernel32.SetConsoleMode(stderr, stderr_mode.value | ENABLE_VIRTUAL_TERMINAL_PROCESSING)
    # primitive formatting on supported
    # terminal via ANSI escape sequences:
    BOLD = ('\033[0m', '\033[1m')
    GREEN = ('\033[0m', '\033[0;32m')
    RED = ('\033[0m', '\033[0;31m')
    GREY = ('\033[0m', '\033[1;30m')

TEST_EXIT_PASSED = 0
TEST_EXIT_SKIPPED = 77

EXTENDED_SCRIPTS = [
    # These tests are not run by default.
    # Longest test should go first, to favor running tests in parallel
    'feature_pruning.py',
    'feature_dbcrash.py',
]

BASE_SCRIPTS = [
    # Scripts that are run by default.
    # Longest test should go first, to favor running tests in parallel
    'wallet_hd.py',
    'wallet_backup.py',
    # vv Tests less than 5m vv
    'mining_getblocktemplate_longpoll.py',
    'feature_maxuploadtarget.py',
    'feature_block.py',
    'rpc_fundrawtransaction.py',
    'p2p_compactblocks.py',
    'feature_segwit.py',
    # vv Tests less than 2m vv
    'wallet_basic.py',
    'wallet_labels.py',
    'p2p_segwit.py',
    'p2p_timeouts.py',
    'p2p_tx_download.py',
    'wallet_dump.py',
    'wallet_listtransactions.py',
    # vv Tests less than 60s vv
    'p2p_sendheaders.py',
    'wallet_zapwallettxes.py',
    'wallet_importmulti.py',
    'mempool_limit.py',
    'rpc_txoutproof.py',
    'wallet_listreceivedby.py',
    'wallet_abandonconflict.py',
    'feature_csv_activation.py',
    'rpc_rawtransaction.py',
    'wallet_address_types.py',
    'feature_bip68_sequence.py',
    'p2p_feefilter.py',
    'feature_reindex.py',
    'feature_abortnode.py',
    # vv Tests less than 30s vv
    'wallet_keypool_topup.py',
    'feature_fee_estimation.py',
    'interface_zmq.py',
    'interface_bitcoin_cli.py',
    'mempool_resurrect.py',
    'wallet_txn_doublespend.py --mineblock',
    'tool_wallet.py',
    'wallet_txn_clone.py',
    'wallet_txn_clone.py --segwit',
    'rpc_getchaintips.py',
    'rpc_misc.py',
    'interface_rest.py',
    'mempool_spend_coinbase.py',
    'wallet_avoidreuse.py',
    'mempool_reorg.py',
    'mempool_persist.py',
    'wallet_multiwallet.py',
    'wallet_multiwallet.py --usecli',
    'wallet_createwallet.py',
    'wallet_createwallet.py --usecli',
    'wallet_watchonly.py',
    'wallet_watchonly.py --usecli',
    'wallet_reorgsrestore.py',
    'interface_http.py',
    'interface_rpc.py',
    'rpc_psbt.py',
    'rpc_users.py',
    'rpc_whitelist.py',
    'feature_proxy.py',
    'rpc_signrawtransaction.py',
    'wallet_groups.py',
    'p2p_disconnect_ban.py',
    'rpc_decodescript.py',
    'rpc_blockchain.py',
    'rpc_deprecated.py',
    'wallet_disable.py',
    'p2p_addr_relay.py',
    'p2p_getdata.py',
    'rpc_net.py',
    'wallet_keypool.py',
    'p2p_mempool.py',
    'p2p_filter.py',
    'rpc_setban.py',
    'p2p_blocksonly.py',
    'mining_prioritisetransaction.py',
    'p2p_invalid_locator.py',
    'p2p_invalid_block.py',
    'p2p_invalid_messages.py',
    'p2p_invalid_tx.py',
    'feature_assumevalid.py',
    'example_test.py',
    'wallet_txn_doublespend.py',
    'feature_backwards_compatibility.py',
    'wallet_txn_clone.py --mineblock',
    'feature_notifications.py',
    'rpc_getblockfilter.py',
    'rpc_invalidateblock.py',
    'feature_rbf.py',
    'mempool_packages.py',
    'mempool_package_onemore.py',
    'rpc_createmultisig.py',
    'feature_versionbits_warning.py',
    'rpc_preciousblock.py',
    'wallet_importprunedfunds.py',
    'p2p_leak_tx.py',
    'rpc_signmessage.py',
    'wallet_balance.py',
    'feature_nulldummy.py',
    'mempool_accept.py',
    'mempool_expiry.py',
    'wallet_import_rescan.py',
    'wallet_import_with_label.py',
    'rpc_bind.py --ipv4',
    'rpc_bind.py --ipv6',
    'rpc_bind.py --nonloopback',
    'mining_basic.py',
    'wallet_bumpfee.py',
    'wallet_implicitsegwit.py',
    'rpc_named_arguments.py',
    'wallet_listsinceblock.py',
    'p2p_leak.py',
    'wallet_encryption.py',
    'feature_dersig.py',
    'feature_cltv.py',
    'rpc_uptime.py',
    'wallet_resendwallettransactions.py',
    'wallet_fallbackfee.py',
    'rpc_dumptxoutset.py',
    'feature_minchainwork.py',
    'rpc_estimatefee.py',
    'rpc_getblockstats.py',
    'wallet_create_tx.py',
    'p2p_fingerprint.py',
    'feature_uacomment.py',
    'wallet_coinbase_category.py',
    'feature_filelock.py',
    'feature_loadblock.py',
    'p2p_dos_header_tree.py',
    'p2p_unrequested_blocks.py',
    'feature_includeconf.py',
    'feature_asmap.py',
    'rpc_deriveaddresses.py',
    'rpc_deriveaddresses.py --usecli',
    'rpc_scantxoutset.py',
    'feature_logging.py',
    'p2p_node_network_limited.py',
    'p2p_permissions.py',
    'feature_blocksdir.py',
    'feature_config_args.py',
    'rpc_getaddressinfo_labels_purpose_deprecation.py',
    'rpc_getaddressinfo_label_deprecation.py',
    'rpc_getdescriptorinfo.py',
    'rpc_help.py',
    'feature_help.py',
    'feature_shutdown.py',
    'framework_test_script.py',
    # Don't append tests at the end to avoid merge conflicts
    # Put them in a random line within the section that fits their approximate run-time
]

# Place EXTENDED_SCRIPTS first since it has the 3 longest running tests
ALL_SCRIPTS = EXTENDED_SCRIPTS + BASE_SCRIPTS

NON_SCRIPTS = [
    # These are python files that live in the functional tests directory, but are not test scripts.
    "combine_logs.py",
    "create_cache.py",
    "test_runner.py",
]

def main():
    # Parse arguments and pass through unrecognised args
    parser = argparse.ArgumentParser(add_help=False,
                                     usage='%(prog)s [test_runner.py options] [script options] [scripts]',
                                     description=__doc__,
                                     epilog='''
    Help text and arguments for individual test script:''',
                                     formatter_class=argparse.RawTextHelpFormatter)
    parser.add_argument('--ansi', action='store_true', default=sys.stdout.isatty(), help="Use ANSI colors and dots in output (enabled by default when standard output is a TTY)")
    parser.add_argument('--combinedlogslen', '-c', type=int, default=0, metavar='n', help='On failure, print a log (of length n lines) to the console, combined from the test framework and all test nodes.')
    parser.add_argument('--coverage', action='store_true', help='generate a basic coverage report for the RPC interface')
    parser.add_argument('--ci', action='store_true', help='Run checks and code that are usually only enabled in a continuous integration environment')
    parser.add_argument('--exclude', '-x', help='specify a comma-separated-list of scripts to exclude.')
    parser.add_argument('--extended', action='store_true', help='run the extended test suite in addition to the basic tests')
    parser.add_argument('--help', '-h', '-?', action='store_true', help='print help text and exit')
    parser.add_argument('--jobs', '-j', type=int, default=4, help='how many test scripts to run in parallel. Default=4.')
    parser.add_argument('--keepcache', '-k', action='store_true', help='the default behavior is to flush the cache directory on startup. --keepcache retains the cache from the previous testrun.')
    parser.add_argument('--quiet', '-q', action='store_true', help='only print dots, results summary and failure logs')
    parser.add_argument('--tmpdirprefix', '-t', default=tempfile.gettempdir(), help="Root directory for datadirs")
    parser.add_argument('--failfast', action='store_true', help='stop execution after the first test failure')
    parser.add_argument('--filter', help='filter scripts to run by regular expression')

    args, unknown_args = parser.parse_known_args()
    if not args.ansi:
        global BOLD, GREEN, RED, GREY
        BOLD = ("", "")
        GREEN = ("", "")
        RED = ("", "")
        GREY = ("", "")

    # args to be passed on always start with two dashes; tests are the remaining unknown args
    tests = [arg for arg in unknown_args if arg[:2] != "--"]
    passon_args = [arg for arg in unknown_args if arg[:2] == "--"]

    # Read config generated by configure.
    config = configparser.ConfigParser()
    configfile = os.path.abspath(os.path.dirname(__file__)) + "/../config.ini"
    config.read_file(open(configfile, encoding="utf8"))

    passon_args.append("--configfile=%s" % configfile)

    # Set up logging
    logging_level = logging.INFO if args.quiet else logging.DEBUG
    logging.basicConfig(format='%(message)s', level=logging_level)

    # Create base test directory
    tmpdir = "%s/test_runner_₿_🏃_%s" % (args.tmpdirprefix, datetime.datetime.now().strftime("%Y%m%d_%H%M%S"))

    os.makedirs(tmpdir)

    logging.debug("Temporary test directory at %s" % tmpdir)

    enable_bitcoind = config["components"].getboolean("ENABLE_BITCOIND")

    if not enable_bitcoind:
        print("No functional tests to run.")
        print("Rerun ./configure with --with-daemon and then make")
        sys.exit(0)

    # Build list of tests
    test_list = []
    if tests:
        # Individual tests have been specified. Run specified tests that exist
        # in the ALL_SCRIPTS list. Accept names with or without a .py extension.
        # Specified tests can contain wildcards, but in that case the supplied
        # paths should be coherent, e.g. the same path as that provided to call
        # test_runner.py. Examples:
        #   `test/functional/test_runner.py test/functional/wallet*`
        #   `test/functional/test_runner.py ./test/functional/wallet*`
        #   `test_runner.py wallet*`
        #   but not:
        #   `test/functional/test_runner.py wallet*`
        # Multiple wildcards can be passed:
        #   `test_runner.py tool* mempool*`
        for test in tests:
            script = test.split("/")[-1]
            script = script + ".py" if ".py" not in script else script
            if script in ALL_SCRIPTS:
                test_list.append(script)
            else:
                print("{}WARNING!{} Test '{}' not found in full test list.".format(BOLD[1], BOLD[0], test))
    elif args.extended:
        # Include extended tests
        test_list += ALL_SCRIPTS
    else:
        # Run base tests only
        test_list += BASE_SCRIPTS

    # Remove the test cases that the user has explicitly asked to exclude.
    if args.exclude:
        exclude_tests = [test.split('.py')[0] for test in args.exclude.split(',')]
        for exclude_test in exclude_tests:
            # Remove <test_name>.py and <test_name>.py --arg from the test list
            exclude_list = [test for test in test_list if test.split('.py')[0] == exclude_test]
            for exclude_item in exclude_list:
                test_list.remove(exclude_item)
            if not exclude_list:
                print("{}WARNING!{} Test '{}' not found in current test list.".format(BOLD[1], BOLD[0], exclude_test))

    if args.filter:
        test_list = list(filter(re.compile(args.filter).search, test_list))

    if not test_list:
        print("No valid test scripts specified. Check that your test is in one "
              "of the test lists in test_runner.py, or run test_runner.py with no arguments to run all tests")
        sys.exit(0)

    if args.help:
        # Print help for test_runner.py, then print help of the first script (with args removed) and exit.
        parser.print_help()
        subprocess.check_call([sys.executable, os.path.join(config["environment"]["SRCDIR"], 'test', 'functional', test_list[0].split()[0]), '-h'])
        sys.exit(0)

    check_script_list(src_dir=config["environment"]["SRCDIR"], fail_on_warn=args.ci)
    check_script_prefixes()

    if not args.keepcache:
        shutil.rmtree("%s/test/cache" % config["environment"]["BUILDDIR"], ignore_errors=True)

    run_tests(
        test_list=test_list,
        src_dir=config["environment"]["SRCDIR"],
        build_dir=config["environment"]["BUILDDIR"],
        tmpdir=tmpdir,
        jobs=args.jobs,
        enable_coverage=args.coverage,
        args=passon_args,
        combined_logs_len=args.combinedlogslen,
        failfast=args.failfast,
        use_term_control=args.ansi,
    )

def run_tests(*, test_list, src_dir, build_dir, tmpdir, jobs=1, enable_coverage=False, args=None, combined_logs_len=0, failfast=False, use_term_control):
    args = args or []

    # Warn if bitcoind is already running
    # pidof might fail or return an empty string if bitcoind is not running
    try:
        if subprocess.check_output(["pidof", "bitcoind"]) not in [b'']:
            print("%sWARNING!%s There is already a bitcoind process running on this system. Tests may fail unexpectedly due to resource contention!" % (BOLD[1], BOLD[0]))
    except (OSError, subprocess.SubprocessError):
        pass

    # Warn if there is a cache directory
    cache_dir = "%s/test/cache" % build_dir
    if os.path.isdir(cache_dir):
        print("%sWARNING!%s There is a cache directory here: %s. If tests fail unexpectedly, try deleting the cache directory." % (BOLD[1], BOLD[0], cache_dir))

    tests_dir = src_dir + '/test/functional/'

    flags = ['--cachedir={}'.format(cache_dir)] + args

    if enable_coverage:
        coverage = RPCCoverage()
        flags.append(coverage.flag)
        logging.debug("Initializing coverage directory at %s" % coverage.dir)
    else:
        coverage = None

    if len(test_list) > 1 and jobs > 1:
        # Populate cache
        try:
            subprocess.check_output([sys.executable, tests_dir + 'create_cache.py'] + flags + ["--tmpdir=%s/cache" % tmpdir])
        except subprocess.CalledProcessError as e:
            sys.stdout.buffer.write(e.output)
            raise

    #Run Tests
    job_queue = TestHandler(
        num_tests_parallel=jobs,
        tests_dir=tests_dir,
        tmpdir=tmpdir,
        test_list=test_list,
        flags=flags,
        use_term_control=use_term_control,
    )
    start_time = time.time()
    test_results = []

    max_len_name = len(max(test_list, key=len))
    test_count = len(test_list)
    for i in range(test_count):
        test_result, testdir, stdout, stderr = job_queue.get_next()
        test_results.append(test_result)
        done_str = "{}/{} - {}{}{}".format(i + 1, test_count, BOLD[1], test_result.name, BOLD[0])
        if test_result.status == "Passed":
            logging.debug("%s passed, Duration: %s s" % (done_str, test_result.time))
        elif test_result.status == "Skipped":
            logging.debug("%s skipped" % (done_str))
        else:
            print("%s failed, Duration: %s s\n" % (done_str, test_result.time))
            print(BOLD[1] + 'stdout:\n' + BOLD[0] + stdout + '\n')
            print(BOLD[1] + 'stderr:\n' + BOLD[0] + stderr + '\n')
            if combined_logs_len and os.path.isdir(testdir):
                # Print the final `combinedlogslen` lines of the combined logs
                print('{}Combine the logs and print the last {} lines ...{}'.format(BOLD[1], combined_logs_len, BOLD[0]))
                print('\n============')
                print('{}Combined log for {}:{}'.format(BOLD[1], testdir, BOLD[0]))
                print('============\n')
                combined_logs_args = [sys.executable, os.path.join(tests_dir, 'combine_logs.py'), testdir]
                if BOLD[0]:
                    combined_logs_args += ['--color']
                combined_logs, _ = subprocess.Popen(combined_logs_args, universal_newlines=True, stdout=subprocess.PIPE).communicate()
                print("\n".join(deque(combined_logs.splitlines(), combined_logs_len)))

            if failfast:
                logging.debug("Early exiting after test failure")
                break

    print_results(test_results, max_len_name, (int(time.time() - start_time)))

    if coverage:
        coverage_passed = coverage.report_rpc_coverage()

        logging.debug("Cleaning up coverage data")
        coverage.cleanup()
    else:
        coverage_passed = True

    # Clear up the temp directory if all subdirectories are gone
    if not os.listdir(tmpdir):
        os.rmdir(tmpdir)

    all_passed = all(map(lambda test_result: test_result.was_successful, test_results)) and coverage_passed

    # This will be a no-op unless failfast is True in which case there may be dangling
    # processes which need to be killed.
    job_queue.kill_and_join()

    sys.exit(not all_passed)

def print_results(test_results, max_len_name, runtime):
    results = "\n" + BOLD[1] + "%s | %s | %s\n\n" % ("TEST".ljust(max_len_name), "STATUS   ", "DURATION") + BOLD[0]

    test_results.sort(key=TestResult.sort_key)
    all_passed = True
    time_sum = 0

    for test_result in test_results:
        all_passed = all_passed and test_result.was_successful
        time_sum += test_result.time
        test_result.padding = max_len_name
        results += str(test_result)

    status = TICK + "Passed" if all_passed else CROSS + "Failed"
    if not all_passed:
        results += RED[1]
    results += BOLD[1] + "\n%s | %s | %s s (accumulated) \n" % ("ALL".ljust(max_len_name), status.ljust(9), time_sum) + BOLD[0]
    if not all_passed:
        results += RED[0]
    results += "Runtime: %s s\n" % (runtime)
    print(results)

class TestHandler:
    """
    Trigger the test scripts passed in via the list.
    """

    def __init__(self, *, num_tests_parallel, tests_dir, tmpdir, test_list, flags, use_term_control):
        assert num_tests_parallel >= 1
        self.num_jobs = num_tests_parallel
        self.tests_dir = tests_dir
        self.tmpdir = tmpdir
        self.test_list = test_list
        self.flags = flags
        self.num_running = 0
        self.jobs = []
        self.use_term_control = use_term_control

    def get_next(self):
        while self.num_running < self.num_jobs and self.test_list:
            # Add tests
            self.num_running += 1
            test = self.test_list.pop(0)
            portseed = len(self.test_list)
            portseed_arg = ["--portseed={}".format(portseed)]
            log_stdout = tempfile.SpooledTemporaryFile(max_size=2**16)
            log_stderr = tempfile.SpooledTemporaryFile(max_size=2**16)
            test_argv = test.split()
            testdir = "{}/{}_{}".format(self.tmpdir, re.sub(".py$", "", test_argv[0]), portseed)
            tmpdir_arg = ["--tmpdir={}".format(testdir)]
            self.jobs.append((test,
                              time.time(),
                              subprocess.Popen([sys.executable, self.tests_dir + test_argv[0]] + test_argv[1:] + self.flags + portseed_arg + tmpdir_arg,
                                               universal_newlines=True,
                                               stdout=log_stdout,
                                               stderr=log_stderr),
                              testdir,
                              log_stdout,
                              log_stderr))
        if not self.jobs:
            raise IndexError('pop from empty list')

        # Print remaining running jobs when all jobs have been started.
        if not self.test_list:
            print("Remaining jobs: [{}]".format(", ".join(j[0] for j in self.jobs)))

        dot_count = 0
        while True:
            # Return first proc that finishes
            time.sleep(.5)
            for job in self.jobs:
                (name, start_time, proc, testdir, log_out, log_err) = job
                if proc.poll() is not None:
                    log_out.seek(0), log_err.seek(0)
                    [stdout, stderr] = [log_file.read().decode('utf-8') for log_file in (log_out, log_err)]
                    log_out.close(), log_err.close()
                    if proc.returncode == TEST_EXIT_PASSED and stderr == "":
                        status = "Passed"
                    elif proc.returncode == TEST_EXIT_SKIPPED:
                        status = "Skipped"
                    else:
                        status = "Failed"
                    self.num_running -= 1
                    self.jobs.remove(job)
                    if self.use_term_control:
                        clearline = '\r' + (' ' * dot_count) + '\r'
                        print(clearline, end='', flush=True)
                    dot_count = 0
                    return TestResult(name, status, int(time.time() - start_time)), testdir, stdout, stderr
            if self.use_term_control:
                print('.', end='', flush=True)
            dot_count += 1

    def kill_and_join(self):
        """Send SIGKILL to all jobs and block until all have ended."""
        procs = [i[2] for i in self.jobs]

        for proc in procs:
            proc.kill()

        for proc in procs:
            proc.wait()


class TestResult():
    def __init__(self, name, status, time):
        self.name = name
        self.status = status
        self.time = time
        self.padding = 0

    def sort_key(self):
        if self.status == "Passed":
            return 0, self.name.lower()
        elif self.status == "Failed":
            return 2, self.name.lower()
        elif self.status == "Skipped":
            return 1, self.name.lower()

    def __repr__(self):
        if self.status == "Passed":
            color = GREEN
            glyph = TICK
        elif self.status == "Failed":
            color = RED
            glyph = CROSS
        elif self.status == "Skipped":
            color = GREY
            glyph = CIRCLE

        return color[1] + "%s | %s%s | %s s\n" % (self.name.ljust(self.padding), glyph, self.status.ljust(7), self.time) + color[0]

    @property
    def was_successful(self):
        return self.status != "Failed"


def check_script_prefixes():
    """Check that test scripts start with one of the allowed name prefixes."""

    good_prefixes_re = re.compile("^(example|feature|interface|mempool|mining|p2p|rpc|wallet|tool|framework_test)_")
    bad_script_names = [script for script in ALL_SCRIPTS if good_prefixes_re.match(script) is None]

    if bad_script_names:
        print("%sERROR:%s %d tests not meeting naming conventions:" % (BOLD[1], BOLD[0], len(bad_script_names)))
        print("  %s" % ("\n  ".join(sorted(bad_script_names))))
        raise AssertionError("Some tests are not following naming convention!")


def check_script_list(*, src_dir, fail_on_warn):
    """Check scripts directory.

    Check that there are no scripts in the functional tests directory which are
    not being run by pull-tester.py."""
    script_dir = src_dir + '/test/functional/'
    python_files = set([test_file for test_file in os.listdir(script_dir) if test_file.endswith(".py")])
    missed_tests = list(python_files - set(map(lambda x: x.split()[0], ALL_SCRIPTS + NON_SCRIPTS)))
    if len(missed_tests) != 0:
        print("%sWARNING!%s The following scripts are not being run: %s. Check the test lists in test_runner.py." % (BOLD[1], BOLD[0], str(missed_tests)))
        if fail_on_warn:
            # On CI this warning is an error to prevent merging incomplete commits into master
            sys.exit(1)


class RPCCoverage():
    """
    Coverage reporting utilities for test_runner.

    Coverage calculation works by having each test script subprocess write
    coverage files into a particular directory. These files contain the RPC
    commands invoked during testing, as well as a complete listing of RPC
    commands per `bitcoin-cli help` (`rpc_interface.txt`).

    After all tests complete, the commands run are combined and diff'd against
    the complete list to calculate uncovered RPC commands.

    See also: test/functional/test_framework/coverage.py

    """
    def __init__(self):
        self.dir = tempfile.mkdtemp(prefix="coverage")
        self.flag = '--coveragedir=%s' % self.dir

    def report_rpc_coverage(self):
        """
        Print out RPC commands that were unexercised by tests.

        """
        uncovered = self._get_uncovered_rpc_commands()

        if uncovered:
            print("Uncovered RPC commands:")
            print("".join(("  - %s\n" % command) for command in sorted(uncovered)))
            return False
        else:
            print("All RPC commands covered.")
            return True

    def cleanup(self):
        return shutil.rmtree(self.dir)

    def _get_uncovered_rpc_commands(self):
        """
        Return a set of currently untested RPC commands.

        """
        # This is shared from `test/functional/test-framework/coverage.py`
        reference_filename = 'rpc_interface.txt'
        coverage_file_prefix = 'coverage.'

        coverage_ref_filename = os.path.join(self.dir, reference_filename)
        coverage_filenames = set()
        all_cmds = set()
        covered_cmds = set()

        if not os.path.isfile(coverage_ref_filename):
            raise RuntimeError("No coverage reference found")

        with open(coverage_ref_filename, 'r', encoding="utf8") as coverage_ref_file:
            all_cmds.update([line.strip() for line in coverage_ref_file.readlines()])

        for root, _, files in os.walk(self.dir):
            for filename in files:
                if filename.startswith(coverage_file_prefix):
                    coverage_filenames.add(os.path.join(root, filename))

        for filename in coverage_filenames:
            with open(filename, 'r', encoding="utf8") as coverage_file:
                covered_cmds.update([line.strip() for line in coverage_file.readlines()])

        return all_cmds - covered_cmds


if __name__ == '__main__':
    main()