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spec_tests.py (5865B)
1 #!/usr/bin/env python3
2 # -*- coding: utf-8 -*-
3
4 import sys
5 from difflib import unified_diff
6 import argparse
7 import re
8 import json
9 from cmark import CMark
10 from normalize import normalize_html
11
12 if __name__ == "__main__":
13 parser = argparse.ArgumentParser(description='Run cmark tests.')
14 parser.add_argument('-p', '--program', dest='program', nargs='?', default=None,
15 help='program to test')
16 parser.add_argument('-s', '--spec', dest='spec', nargs='?', default='spec.txt',
17 help='path to spec')
18 parser.add_argument('-P', '--pattern', dest='pattern', nargs='?',
19 default=None, help='limit to sections matching regex pattern')
20 parser.add_argument('--library-dir', dest='library_dir', nargs='?',
21 default=None, help='directory containing dynamic library')
22 parser.add_argument('--no-normalize', dest='normalize',
23 action='store_const', const=False, default=True,
24 help='do not normalize HTML')
25 parser.add_argument('-d', '--dump-tests', dest='dump_tests',
26 action='store_const', const=True, default=False,
27 help='dump tests in JSON format')
28 parser.add_argument('--debug-normalization', dest='debug_normalization',
29 action='store_const', const=True,
30 default=False, help='filter stdin through normalizer for testing')
31 parser.add_argument('-n', '--number', type=int, default=None,
32 help='only consider the test with the given number')
33 args = parser.parse_args(sys.argv[1:])
34
35 def out(str):
36 sys.stdout.buffer.write(str.encode('utf-8'))
37
38 def print_test_header(headertext, example_number, start_line, end_line):
39 out("Example %d (lines %d-%d) %s\n" % (example_number,start_line,end_line,headertext))
40
41 def do_test(test, normalize, result_counts):
42 [retcode, actual_html, err] = cmark.to_html(test['markdown'])
43 if retcode == 0:
44 expected_html = test['html']
45 unicode_error = None
46 if normalize:
47 try:
48 passed = normalize_html(actual_html) == normalize_html(expected_html)
49 except UnicodeDecodeError as e:
50 unicode_error = e
51 passed = False
52 else:
53 passed = actual_html == expected_html
54 if passed:
55 result_counts['pass'] += 1
56 else:
57 print_test_header(test['section'], test['example'], test['start_line'], test['end_line'])
58 out(test['markdown'] + '\n')
59 if unicode_error:
60 out("Unicode error: " + str(unicode_error) + '\n')
61 out("Expected: " + repr(expected_html) + '\n')
62 out("Got: " + repr(actual_html) + '\n')
63 else:
64 expected_html_lines = expected_html.splitlines(True)
65 actual_html_lines = actual_html.splitlines(True)
66 for diffline in unified_diff(expected_html_lines, actual_html_lines,
67 "expected HTML", "actual HTML"):
68 out(diffline)
69 out('\n')
70 result_counts['fail'] += 1
71 else:
72 print_test_header(test['section'], test['example'], test['start_line'], test['end_line'])
73 out("program returned error code %d\n" % retcode)
74 sys.stdout.buffer.write(err)
75 result_counts['error'] += 1
76
77 def get_tests(specfile):
78 line_number = 0
79 start_line = 0
80 end_line = 0
81 example_number = 0
82 markdown_lines = []
83 html_lines = []
84 state = 0 # 0 regular text, 1 markdown example, 2 html output
85 headertext = ''
86 tests = []
87
88 header_re = re.compile('#+ ')
89
90 with open(specfile, 'r', encoding='utf-8', newline='\n') as specf:
91 for line in specf:
92 line_number = line_number + 1
93 l = line.strip()
94 if l == "`" * 32 + " example":
95 state = 1
96 elif state == 2 and l == "`" * 32:
97 state = 0
98 example_number = example_number + 1
99 end_line = line_number
100 tests.append({
101 "markdown":''.join(markdown_lines).replace('→',"\t"),
102 "html":''.join(html_lines).replace('→',"\t"),
103 "example": example_number,
104 "start_line": start_line,
105 "end_line": end_line,
106 "section": headertext})
107 start_line = 0
108 markdown_lines = []
109 html_lines = []
110 elif l == ".":
111 state = 2
112 elif state == 1:
113 if start_line == 0:
114 start_line = line_number - 1
115 markdown_lines.append(line)
116 elif state == 2:
117 html_lines.append(line)
118 elif state == 0 and re.match(header_re, line):
119 headertext = header_re.sub('', line).strip()
120 return tests
121
122 if __name__ == "__main__":
123 if args.debug_normalization:
124 out(normalize_html(sys.stdin.read()))
125 exit(0)
126
127 all_tests = get_tests(args.spec)
128 if args.pattern:
129 pattern_re = re.compile(args.pattern, re.IGNORECASE)
130 else:
131 pattern_re = re.compile('.')
132 tests = [ test for test in all_tests if re.search(pattern_re, test['section']) and (not args.number or test['example'] == args.number) ]
133 if args.dump_tests:
134 out(json.dumps(tests, ensure_ascii=False, indent=2))
135 exit(0)
136 else:
137 skipped = len(all_tests) - len(tests)
138 cmark = CMark(prog=args.program, library_dir=args.library_dir)
139 result_counts = {'pass': 0, 'fail': 0, 'error': 0, 'skip': skipped}
140 for test in tests:
141 do_test(test, args.normalize, result_counts)
142 out("{pass} passed, {fail} failed, {error} errored, {skip} skipped\n".format(**result_counts))
143 exit(result_counts['fail'] + result_counts['error'])