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
|
# -*- coding: utf-8 -*-
"""
Command line test
~~~~~~~~~~~~~~~~~
:copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from __future__ import print_function
import io
import os
import re
import sys
import tempfile
import unittest
import support
from pygments import cmdline, highlight
from pygments.util import BytesIO, StringIO
TESTFILE, TESTDIR = support.location(__file__)
TESTCODE = '''\
def func(args):
pass
'''
def run_cmdline(*args, **kwds):
saved_stdin = sys.stdin
saved_stdout = sys.stdout
saved_stderr = sys.stderr
if sys.version_info > (3,):
stdin_buffer = BytesIO()
stdout_buffer = BytesIO()
stderr_buffer = BytesIO()
new_stdin = sys.stdin = io.TextIOWrapper(stdin_buffer, 'utf-8')
new_stdout = sys.stdout = io.TextIOWrapper(stdout_buffer, 'utf-8')
new_stderr = sys.stderr = io.TextIOWrapper(stderr_buffer, 'utf-8')
else:
stdin_buffer = new_stdin = sys.stdin = StringIO()
stdout_buffer = new_stdout = sys.stdout = StringIO()
stderr_buffer = new_stderr = sys.stderr = StringIO()
new_stdin.write(kwds.get('stdin', ''))
new_stdin.seek(0, 0)
try:
ret = cmdline.main(['pygmentize'] + list(args))
finally:
sys.stdin = saved_stdin
sys.stdout = saved_stdout
sys.stderr = saved_stderr
new_stdout.flush()
new_stderr.flush()
out, err = stdout_buffer.getvalue().decode('utf-8'), \
stderr_buffer.getvalue().decode('utf-8')
return (ret, out, err)
class CmdLineTest(unittest.TestCase):
def check_success(self, *cmdline, **kwds):
code, out, err = run_cmdline(*cmdline, **kwds)
self.assertEqual(code, 0)
self.assertEqual(err, '')
return out
def check_failure(self, *cmdline, **kwds):
expected_code = kwds.pop('code', 1)
code, out, err = run_cmdline(*cmdline, **kwds)
self.assertEqual(code, expected_code)
self.assertEqual(out, '')
return err
def test_normal(self):
# test that cmdline gives the same output as library api
from pygments.lexers import PythonLexer
from pygments.formatters import HtmlFormatter
filename = TESTFILE
with open(filename, 'rb') as fp:
code = fp.read()
output = highlight(code, PythonLexer(), HtmlFormatter())
o = self.check_success('-lpython', '-fhtml', filename)
self.assertEqual(o, output)
def test_stdin(self):
o = self.check_success('-lpython', '-fhtml', stdin=TESTCODE)
o = re.sub('<[^>]*>', '', o)
# rstrip is necessary since HTML inserts a \n after the last </div>
self.assertEqual(o.rstrip(), TESTCODE.rstrip())
# guess if no lexer given
o = self.check_success('-fhtml', stdin=TESTCODE)
o = re.sub('<[^>]*>', '', o)
# rstrip is necessary since HTML inserts a \n after the last </div>
self.assertEqual(o.rstrip(), TESTCODE.rstrip())
def test_outfile(self):
# test that output file works with and without encoding
fd, name = tempfile.mkstemp()
os.close(fd)
for opts in [['-fhtml', '-o', name, TESTFILE],
['-flatex', '-o', name, TESTFILE],
['-fhtml', '-o', name, '-O', 'encoding=utf-8', TESTFILE]]:
try:
self.check_success(*opts)
finally:
os.unlink(name)
def test_load_from_file(self):
lexer_file = os.path.join(TESTDIR, 'support', 'python_lexer.py')
formatter_file = os.path.join(TESTDIR, 'support', 'html_formatter.py')
# By default, use CustomLexer
o = self.check_success('-l', lexer_file, '-f', 'html',
'-x', stdin=TESTCODE)
o = re.sub('<[^>]*>', '', o)
# rstrip is necessary since HTML inserts a \n after the last </div>
self.assertEqual(o.rstrip(), TESTCODE.rstrip())
# If user specifies a name, use it
o = self.check_success('-f', 'html', '-x', '-l',
lexer_file + ':LexerWrapper', stdin=TESTCODE)
o = re.sub('<[^>]*>', '', o)
# rstrip is necessary since HTML inserts a \n after the last </div>
self.assertEqual(o.rstrip(), TESTCODE.rstrip())
# Should also work for formatters
o = self.check_success('-lpython', '-f',
formatter_file + ':HtmlFormatterWrapper',
'-x', stdin=TESTCODE)
o = re.sub('<[^>]*>', '', o)
# rstrip is necessary since HTML inserts a \n after the last </div>
self.assertEqual(o.rstrip(), TESTCODE.rstrip())
def test_stream_opt(self):
o = self.check_success('-lpython', '-s', '-fterminal', stdin=TESTCODE)
o = re.sub(r'\x1b\[.*?m', '', o)
self.assertEqual(o.replace('\r\n', '\n'), TESTCODE)
def test_h_opt(self):
o = self.check_success('-h')
self.assertTrue('Usage:' in o)
def test_L_opt(self):
o = self.check_success('-L')
self.assertTrue('Lexers' in o and 'Formatters' in o and
'Filters' in o and 'Styles' in o)
o = self.check_success('-L', 'lexer')
self.assertTrue('Lexers' in o and 'Formatters' not in o)
self.check_success('-L', 'lexers')
def test_O_opt(self):
filename = TESTFILE
o = self.check_success('-Ofull=1,linenos=true,foo=bar',
'-fhtml', filename)
self.assertTrue('<html' in o)
self.assertTrue('class="linenos"' in o)
# "foobar" is invalid for a bool option
e = self.check_failure('-Ostripnl=foobar', TESTFILE)
self.assertTrue('Error: Invalid value' in e)
e = self.check_failure('-Ostripnl=foobar', '-lpy')
self.assertTrue('Error: Invalid value' in e)
def test_P_opt(self):
filename = TESTFILE
o = self.check_success('-Pfull', '-Ptitle=foo, bar=baz=,',
'-fhtml', filename)
self.assertTrue('<title>foo, bar=baz=,</title>' in o)
def test_F_opt(self):
filename = TESTFILE
o = self.check_success('-Fhighlight:tokentype=Name.Blubb,'
'names=TESTFILE filename',
'-fhtml', filename)
self.assertTrue('<span class="n n-Blubb' in o)
def test_H_opt(self):
o = self.check_success('-H', 'formatter', 'html')
self.assertTrue('HTML' in o)
o = self.check_success('-H', 'lexer', 'python')
self.assertTrue('Python' in o)
o = self.check_success('-H', 'filter', 'raiseonerror')
self.assertTrue('raiseonerror', o)
e = self.check_failure('-H', 'lexer', 'foobar')
self.assertTrue('not found' in e)
def test_S_opt(self):
o = self.check_success('-S', 'default', '-f', 'html', '-O', 'linenos=1')
lines = o.splitlines()
for line in lines:
# every line is for a token class
parts = line.split()
self.assertTrue(parts[0].startswith('.'))
self.assertTrue(parts[1] == '{')
if parts[0] != '.hll':
self.assertTrue(parts[-4] == '}')
self.assertTrue(parts[-3] == '/*')
self.assertTrue(parts[-1] == '*/')
self.check_failure('-S', 'default', '-f', 'foobar')
def test_N_opt(self):
o = self.check_success('-N', 'test.py')
self.assertEqual('python', o.strip())
o = self.check_success('-N', 'test.unknown')
self.assertEqual('text', o.strip())
def test_invalid_opts(self):
for opts in [
('-X',),
('-L', '-lpy'),
('-L', '-fhtml'),
('-L', '-Ox'),
('-S', 'default', '-l', 'py', '-f', 'html'),
('-S', 'default'),
('-a', 'arg'),
('-H',),
(TESTFILE, TESTFILE),
('-H', 'formatter'),
('-H', 'foo', 'bar'),
('-s',),
('-s', TESTFILE),
]:
self.check_failure(*opts, code=2)
def test_errors(self):
# input file not found
e = self.check_failure('-lpython', 'nonexistent.py')
self.assertTrue('Error: cannot read infile' in e)
self.assertTrue('nonexistent.py' in e)
# lexer not found
e = self.check_failure('-lfooo', TESTFILE)
self.assertTrue('Error: no lexer for alias' in e)
# cannot load .py file without load_from_file flag
e = self.check_failure('-l', 'nonexistent.py', TESTFILE)
self.assertTrue('Error: no lexer for alias' in e)
# lexer file is missing/unreadable
e = self.check_failure('-l', 'nonexistent.py',
'-x', TESTFILE)
self.assertTrue('Error: cannot read' in e)
# lexer file is malformed
e = self.check_failure('-l', 'support/empty.py',
'-x', TESTFILE)
self.assertTrue('Error: no valid CustomLexer class found' in e)
# formatter not found
e = self.check_failure('-lpython', '-ffoo', TESTFILE)
self.assertTrue('Error: no formatter found for name' in e)
# formatter for outfile not found
e = self.check_failure('-ofoo.foo', TESTFILE)
self.assertTrue('Error: no formatter found for file name' in e)
# cannot load .py file without load_from_file flag
e = self.check_failure('-f', 'nonexistent.py', TESTFILE)
self.assertTrue('Error: no formatter found for name' in e)
# formatter file is missing/unreadable
e = self.check_failure('-f', 'nonexistent.py',
'-x', TESTFILE)
self.assertTrue('Error: cannot read' in e)
# formatter file is malformed
e = self.check_failure('-f', 'support/empty.py',
'-x', TESTFILE)
self.assertTrue('Error: no valid CustomFormatter class found' in e)
# output file not writable
e = self.check_failure('-o', os.path.join('nonexistent', 'dir', 'out.html'),
'-lpython', TESTFILE)
self.assertTrue('Error: cannot open outfile' in e)
self.assertTrue('out.html' in e)
# unknown filter
e = self.check_failure('-F', 'foo', TESTFILE)
self.assertTrue('Error: filter \'foo\' not found' in e)
def test_exception(self):
cmdline.highlight = None # override callable to provoke TypeError
try:
# unexpected exception while highlighting
e = self.check_failure('-lpython', TESTFILE)
self.assertTrue('*** Error while highlighting:' in e)
self.assertTrue('TypeError' in e)
# same with -v: should reraise the exception
try:
self.check_failure('-lpython', '-v', TESTFILE)
except Exception:
pass
else:
self.fail('exception not reraised')
finally:
cmdline.highlight = highlight
def test_parse_opts(self):
self.assertEqual(cmdline._parse_options([' ', 'keyonly,key = value ']),
{'keyonly': True, 'key': 'value'})
|
