40
43
# Files which are listed here will be skipped when testing for Copyright (or
42
COPYRIGHT_EXCEPTIONS = [
43
'breezy/_bencode_py.py',
44
'breezy/doc_generate/conf.py',
45
COPYRIGHT_EXCEPTIONS = ['bzrlib/lsprof.py', 'bzrlib/_bencode_py.py']
48
LICENSE_EXCEPTIONS = [
49
'breezy/_bencode_py.py',
50
'breezy/doc_generate/conf.py',
53
# Technically, 'breezy/lsprof.py' should be 'breezy/util/lsprof.py',
54
# (we do not check breezy/util/, since that is code bundled from elsewhere)
47
LICENSE_EXCEPTIONS = ['bzrlib/lsprof.py', 'bzrlib/_bencode_py.py']
48
# Technically, 'bzrlib/lsprof.py' should be 'bzrlib/util/lsprof.py',
49
# (we do not check bzrlib/util/, since that is code bundled from elsewhere)
55
50
# but for compatibility with previous releases, we don't want to move it.
57
# sphinx_conf is semi-autogenerated.
60
53
class TestSourceHelper(TestCase):
84
77
def test_branch_working_tree(self):
85
78
"""Test that the number of uses of working_tree in branch is stable."""
86
79
occurences = self.find_occurences('self.working_tree()',
87
self.source_file_name(breezy.branch))
80
self.source_file_name(bzrlib.branch))
88
81
# do not even think of increasing this number. If you think you need to
89
82
# increase it, then you almost certainly are doing something wrong as
90
83
# the relationship from working_tree to branch is one way.
91
84
# Note that this is an exact equality so that when the number drops,
92
# it is not given a buffer but rather has this test updated immediately.
85
#it is not given a buffer but rather has this test updated immediately.
93
86
self.assertEqual(0, occurences)
95
88
def test_branch_WorkingTree(self):
96
89
"""Test that the number of uses of working_tree in branch is stable."""
97
90
occurences = self.find_occurences('WorkingTree',
98
self.source_file_name(breezy.branch))
91
self.source_file_name(bzrlib.branch))
99
92
# Do not even think of increasing this number. If you think you need to
100
93
# increase it, then you almost certainly are doing something wrong as
101
94
# the relationship from working_tree to branch is one way.
106
99
class TestSource(TestSourceHelper):
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def get_breezy_dir(self):
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"""Get the path to the root of breezy"""
110
source = self.source_file_name(breezy)
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def get_bzrlib_dir(self):
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"""Get the path to the root of bzrlib"""
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source = self.source_file_name(bzrlib)
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104
source_dir = os.path.dirname(source)
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# Avoid the case when breezy is packaged in a zip file
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# Avoid the case when bzrlib is packaged in a zip file
114
107
if not os.path.isdir(source_dir):
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'Cannot find breezy source directory. Expected %s'
108
raise TestSkipped('Cannot find bzrlib source directory. Expected %s'
118
110
return source_dir
120
112
def get_source_files(self, extensions=None):
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"""Yield all source files for bzr and breezy
113
"""Yield all source files for bzr and bzrlib
123
115
:param our_files_only: If true, exclude files from included libraries
126
breezy_dir = self.get_breezy_dir()
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bzrlib_dir = self.get_bzrlib_dir()
127
119
if extensions is None:
128
120
extensions = ('.py',)
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122
# This is the front-end 'bzr' script
131
bzr_path = self.get_brz_path()
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bzr_path = self.get_bzr_path()
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for root, dirs, files in os.walk(breezy_dir):
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for root, dirs, files in os.walk(bzrlib_dir):
136
128
if d.endswith('.tmp'):
189
187
copyright_re = re.compile('#\\s*copyright.*(?=\n)', re.I)
190
copyright_statement_re = re.compile(
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r'# Copyright \(C\) ' # Opening "# Copyright (C)"
192
r'(\d+?)((, |-)\d+)*' # followed by a series of dates
193
r' [^ ]*') # and then whoever.
188
copyright_canonical_re = re.compile(
189
r'# Copyright \(C\) ' # Opening "# Copyright (C)"
190
r'(\d+)(, \d+)*' # Followed by a series of dates
191
r'.*Canonical Ltd' # And containing 'Canonical Ltd'
195
194
for fname, text in self.get_source_file_contents(
196
195
extensions=('.py', '.pyx')):
197
196
if self.is_copyright_exception(fname):
199
match = copyright_statement_re.search(text)
198
match = copyright_canonical_re.search(text)
201
200
match = copyright_re.search(text)
216
215
"Please either add them to the list of"
217
216
" COPYRIGHT_EXCEPTIONS in"
218
" breezy/tests/test_source.py",
217
" bzrlib/tests/test_source.py",
219
218
# this is broken to prevent a false match
220
219
"or add '# Copyright (C)"
221
" 2007 Bazaar hackers' to these files:",
220
" 2007 Canonical Ltd' to these files:",
224
223
for fname, comment in incorrect:
225
224
help_text.append(fname)
226
help_text.append((' ' * 4) + comment)
225
help_text.append((' '*4) + comment)
228
227
self.fail('\n'.join(help_text))
275
275
dict_[fname].append(line_no)
277
277
def _format_message(self, dict_, message):
278
files = sorted(["%s: %s" % (f, ', '.join([str(i + 1) for i in lines]))
279
for f, lines in dict_.items()])
278
files = ["%s: %s" % (f, ', '.join([str(i+1) for i in lines]))
279
for f, lines in dict_.items()]
280
281
return message + '\n\n %s' % ('\n '.join(files))
282
283
def test_coding_style(self):
283
284
"""Check if bazaar code conforms to some coding style conventions.
285
Generally we expect PEP8, but we do not generally strictly enforce
286
this, and there are existing files that do not comply. The 'pep8'
287
tool, available separately, will check for more cases.
286
Currently we assert that the following is not present:
289
* no newline at end of files
289
This test only enforces conditions that are globally true at the
290
moment, and that should cause a patch to be rejected: spaces rather
291
than tabs, unix newlines, and a newline at the end of the file.
291
Print how many files have
292
* trailing white space
293
* lines longer than 79 chars
294
297
illegal_newlines = {}
295
299
no_newline_at_eof = []
296
300
for fname, text in self.get_source_file_contents(
297
301
extensions=('.py', '.pyx')):
304
308
self._push_file(tabs, fname, line_no)
305
309
if not line.endswith('\n') or line.endswith('\r\n'):
306
if line_no != last_line_no: # not no_newline_at_eof
310
if line_no != last_line_no: # not no_newline_at_eof
307
311
self._push_file(illegal_newlines, fname, line_no)
312
if line.endswith(' \n'):
313
self._push_file(trailing_ws, fname, line_no)
315
self._push_file(long_lines, fname, line_no)
308
316
if not lines[-1].endswith('\n'):
309
317
no_newline_at_eof.append(fname)
312
320
problems.append(self._format_message(tabs,
313
'Tab characters were found in the following source files.'
314
'\nThey should either be replaced by "\\t" or by spaces:'))
321
'Tab characters were found in the following source files.'
322
'\nThey should either be replaced by "\\t" or by spaces:'))
324
print ("There are %i lines with trailing white space in %i files."
325
% (sum([len(lines) for f, lines in trailing_ws.items()]),
315
327
if illegal_newlines:
316
328
problems.append(self._format_message(illegal_newlines,
317
'Non-unix newlines were found in the following source files:'))
329
'Non-unix newlines were found in the following source files:'))
331
print ("There are %i lines longer than 79 characters in %i files."
332
% (sum([len(lines) for f, lines in long_lines.items()]),
318
334
if no_newline_at_eof:
319
335
no_newline_at_eof.sort()
320
336
problems.append("The following source files doesn't have a "
321
"newline at the end:"
323
% ('\n '.join(no_newline_at_eof)))
337
"newline at the end:"
339
% ('\n '.join(no_newline_at_eof)))
325
341
self.fail('\n\n'.join(problems))
327
def test_flake8(self):
328
self.requireFeature(features.flake8)
329
# Older versions of flake8 don't support the 'paths'
331
new_path = list(sys.path)
333
0, os.path.join(os.path.dirname(__file__), '..', '..', 'tools'))
334
self.overrideAttr(sys, 'path', new_path)
335
from flake8.main.application import Application
336
from flake8.formatting.base import BaseFormatter
338
app.config = u'setup.cfg'
341
class Formatter(BaseFormatter):
350
app.file_checker_manager.report()
352
def handle(self, error):
353
self.errors.append(error)
355
app.formatter = Formatter()
359
self.assertEqual(app.formatter.errors, [])
361
343
def test_no_asserts(self):
362
344
"""bzr shouldn't use the 'assert' statement."""
363
345
# assert causes too much variation between -O and not, and tends to
378
assert_re = re.compile(r'\bassert\b')
379
360
for fname, text in self.get_source_file_contents():
380
361
if not self.is_our_code(fname):
382
if not assert_re.search(text):
384
st = parser.suite(text)
385
code = parser.st2tuple(st)
363
ast = parser.ast2tuple(parser.suite(''.join(text)))
387
365
badfiles.append(fname)
390
368
"these files contain an assert statement and should not:\n%s"
391
369
% '\n'.join(badfiles))
393
def test_extension_exceptions(self):
394
"""Extension functions should propagate exceptions.
396
Either they should return an object, have an 'except' clause, or
397
have a "# cannot_raise" to indicate that we've audited them and
398
defined them as not raising exceptions.
400
both_exc_and_no_exc = []
402
common_classes = ('StaticTuple',)
403
class_re = re.compile(r'^(cdef\s+)?(public\s+)?'
404
r'(api\s+)?class (\w+).*:', re.MULTILINE)
405
except_re = re.compile(
406
r'cdef\s+' # start with cdef
407
r'([\w *]*?)\s*' # this is the return signature
408
r'(\w+)\s*\(' # the function name
409
r'[^)]*\)\s*' # parameters
410
r'(.*)\s*:' # the except clause
411
r'\s*(#\s*cannot[- _]raise)?') # cannot raise comment
412
for fname, text in self.get_source_file_contents(
413
extensions=('.pyx',)):
414
known_classes = {m[-1] for m in class_re.findall(text)}
415
known_classes.update(common_classes)
416
cdefs = except_re.findall(text)
417
for sig, func, exc_clause, no_exc_comment in cdefs:
418
if sig.startswith('api '):
420
if not sig or sig in known_classes:
422
if 'nogil' in exc_clause:
423
exc_clause = exc_clause.replace('nogil', '').strip()
424
if exc_clause and no_exc_comment:
425
both_exc_and_no_exc.append((fname, func))
426
if sig != 'object' and not (exc_clause or no_exc_comment):
427
missing_except.append((fname, func))
429
if both_exc_and_no_exc:
431
'The following functions had "cannot raise" comments'
432
' but did have an except clause set:')
433
for fname, func in both_exc_and_no_exc:
434
error_msg.append('%s:%s' % (fname, func))
435
error_msg.extend(('', ''))
438
'The following functions have fixed return types,'
439
' but no except clause.')
441
'Either add an except or append "# cannot_raise".')
442
for fname, func in missing_except:
443
error_msg.append('%s:%s' % (fname, func))
444
error_msg.extend(('', ''))
446
self.fail('\n'.join(error_msg))
448
def test_feature_absolute_import(self):
449
"""Using absolute imports means avoiding unnecesary stat and
452
Make sure that all non-test files have absolute imports enabled.
454
missing_absolute_import = []
455
for fname, text in self.get_source_file_contents(
456
extensions=('.py', '.pyx')):
457
if "/tests/" in fname or "test_" in fname:
458
# We don't really care about tests
460
if "from __future__ import absolute_import" not in text:
461
missing_absolute_import.append(fname)
463
if missing_absolute_import:
465
'The following files do not have absolute_import enabled:\n'
466
'\n' + '\n'.join(missing_absolute_import))