summaryrefslogtreecommitdiff
path: root/test/pathological_tests.py
blob: e96c333406f92e44a80a8915e0d8221b2d437ce9 (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
#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import re
import argparse
import sys
import platform
import multiprocessing
import time
from cmark import CMark

if __name__ == "__main__":
    parser = argparse.ArgumentParser(description='Run cmark tests.')
    parser.add_argument('--program', dest='program', nargs='?', default=None,
            help='program to test')
    parser.add_argument('--library-dir', dest='library_dir', nargs='?',
            default=None, help='directory containing dynamic library')
    args = parser.parse_args(sys.argv[1:])

allowed_failures = {"many references": True}

cmark = CMark(prog=args.program, library_dir=args.library_dir)

# list of pairs consisting of input and a regex that must match the output.
pathological = {
    # note - some pythons have limit of 65535 for {num-matches} in re.
    "nested strong emph":
                (("*a **a " * 65000) + "b" + (" a** a*" * 65000),
                 re.compile("(<em>a <strong>a ){65000}b( a</strong> a</em>){65000}")),
    "many emph closers with no openers":
                 (("a_ " * 65000),
                  re.compile("(a[_] ){64999}a_")),
    "many emph openers with no closers":
                 (("_a " * 65000),
                  re.compile("(_a ){64999}_a")),
    "many link closers with no openers":
                 (("a]" * 65000),
                  re.compile("(a\]){65000}")),
    "many link openers with no closers":
                 (("[a" * 65000),
                  re.compile("(\[a){65000}")),
    "mismatched openers and closers":
                 (("*a_ " * 50000),
                  re.compile("([*]a[_] ){49999}[*]a_")),
    "openers and closers multiple of 3":
                 (("a**b" + ("c* " * 50000)),
                  re.compile("a[*][*]b(c[*] ){49999}c[*]")),
    "link openers and emph closers":
                 (("[ a_" * 50000),
                  re.compile("(\[ a_){50000}")),
    "pattern [ (]( repeated":
                 (("[ (](" * 80000),
                  re.compile("(\[ \(\]\(){80000}")),
    "hard link/emph case":
                 ("**x [a*b**c*](d)",
                  re.compile("\\*\\*x <a href=\"d\">a<em>b\\*\\*c</em></a>")),
    "nested brackets":
                 (("[" * 50000) + "a" + ("]" * 50000),
                  re.compile("\[{50000}a\]{50000}")),
    "nested block quotes":
                 ((("> " * 50000) + "a"),
                  re.compile("(<blockquote>\n){50000}")),
    "deeply nested lists":
                 ("".join(map(lambda x: ("  " * x + "* a\n"), range(0,1000))),
                  re.compile("<ul>\n(<li>a\n<ul>\n){999}<li>a</li>\n</ul>\n(</li>\n</ul>\n){999}")),
    "U+0000 in input":
                 ("abc\u0000de\u0000",
                  re.compile("abc\ufffd?de\ufffd?")),
    "backticks":
                 ("".join(map(lambda x: ("e" + "`" * x), range(1,5000))),
                  re.compile("^<p>[e`]*</p>\n$")),
    "unclosed links A":
                 ("[a](<b" * 30000,
                  re.compile("(\[a\]\(&lt;b){30000}")),
    "unclosed links B":
                 ("[a](b" * 30000,
                  re.compile("(\[a\]\(b){30000}")),
#    "many references":
#                 ("".join(map(lambda x: ("[" + str(x) + "]: u\n"), range(1,5000 * 16))) + "[0] " * 5000,
#                  re.compile("(\[0\] ){4999}"))
    }

whitespace_re = re.compile('/s+/')

results = {'passed': [], 'errored': [], 'failed': [], 'ignored': []}

def run_pathological_test(description, results):
    (inp, regex) = pathological[description]
    [rc, actual, err] = cmark.to_html(inp)
    extra = ""
    if rc != 0:
        print(description, '[ERRORED (return code %d)]' %rc)
        print(err)
        if allowed_failures[description]:
            results['ignored'].append(description)
        else:
            results['errored'].append(description)
    elif regex.search(actual):
        print(description, '[PASSED]')
        results['passed'].append(description)
    else:
        print(description, '[FAILED]')
        print(repr(actual))
        if allowed_failures[description]:
            results['ignored'].append(description)
        else:
            results['failed'].append(description)

print("Testing pathological cases:")
for description in pathological:
    p = multiprocessing.Process(target=run_pathological_test,
              args=(description, results,))
    p.start()
    # wait 4 seconds or until it finishes
    p.join(4)
    # kill it if still active
    if p.is_alive():
        print(description, '[TIMEOUT]')
        if allowed_failures[description]:
            results['ignored'].append(description)
        else:
            results['errored'].append(description)
        p.terminate()
        p.join()

passed  = len(results['passed'])
failed  = len(results['failed'])
errored = len(results['errored'])
ignored = len(results['ignored'])

print("%d passed, %d failed, %d errored" % (passed, failed, errored))
if ignored > 0:
    print("Ignoring these allowed failures:")
    for x in results['ignored']:
        print(x)
if failed == 0 and errored == 0:
    exit(0)
else:
    exit(1)