55
82
# do not even think of increasing this number. If you think you need to
56
83
# increase it, then you almost certainly are doing something wrong as
57
84
# the relationship from working_tree to branch is one way.
58
# This number should be 0, but the basis_inventory merge was done
59
# before this test was written. Note that this is an exact equality
60
# so that when the number drops, it is not given a buffer but rather
61
# this test updated immediately.
62
self.assertEqual(2, occurences)
85
# Note that this is an exact equality so that when the number drops,
86
#it is not given a buffer but rather has this test updated immediately.
87
self.assertEqual(0, occurences)
64
89
def test_branch_WorkingTree(self):
65
90
"""Test that the number of uses of working_tree in branch is stable."""
66
91
occurences = self.find_occurences('WorkingTree',
67
92
self.source_file_name(bzrlib.branch))
68
# do not even think of increasing this number. If you think you need to
93
# Do not even think of increasing this number. If you think you need to
69
94
# increase it, then you almost certainly are doing something wrong as
70
95
# the relationship from working_tree to branch is one way.
71
# This number should be 4 (import NoWorkingTree and WorkingTree,
72
# raise NoWorkingTree from working_tree(), and construct a working tree
73
# there) but a merge that regressed this was done before this test was
74
# written. Note that this is an exact equality so that when the number
75
# drops, it is not given a buffer but rather this test updated
77
self.assertEqual(6, occurences)
96
# As of 20070809, there are no longer any mentions at all.
97
self.assertEqual(0, occurences)
100
class TestSource(TestSourceHelper):
102
def get_bzrlib_dir(self):
103
"""Get the path to the root of bzrlib"""
104
source = self.source_file_name(bzrlib)
105
source_dir = os.path.dirname(source)
107
# Avoid the case when bzrlib is packaged in a zip file
108
if not os.path.isdir(source_dir):
109
raise TestSkipped('Cannot find bzrlib source directory. Expected %s'
113
def get_source_files(self):
114
"""Yield all source files for bzr and bzrlib
116
:param our_files_only: If true, exclude files from included libraries
119
bzrlib_dir = self.get_bzrlib_dir()
121
# This is the front-end 'bzr' script
122
bzr_path = self.get_bzr_path()
125
for root, dirs, files in os.walk(bzrlib_dir):
127
if d.endswith('.tmp'):
130
if not f.endswith('.py'):
132
yield osutils.pathjoin(root, f)
134
def get_source_file_contents(self):
135
for fname in self.get_source_files():
136
f = open(fname, 'rb')
143
def is_our_code(self, fname):
144
"""Return true if it's a "real" part of bzrlib rather than external code"""
145
if '/util/' in fname or '/plugins/' in fname:
150
def is_copyright_exception(self, fname):
151
"""Certain files are allowed to be different"""
152
if not self.is_our_code(fname):
153
# We don't ask that external utilities or plugins be
156
for exc in COPYRIGHT_EXCEPTIONS:
157
if fname.endswith(exc):
161
def is_license_exception(self, fname):
162
"""Certain files are allowed to be different"""
163
if not self.is_our_code(fname):
165
for exc in LICENSE_EXCEPTIONS:
166
if fname.endswith(exc):
170
def test_tmpdir_not_in_source_files(self):
171
"""When scanning for source files, we don't descend test tempdirs"""
172
for filename in self.get_source_files():
173
if re.search(r'test....\.tmp', filename):
174
self.fail("get_source_file() returned filename %r "
175
"from within a temporary directory"
178
def test_copyright(self):
179
"""Test that all .py files have a valid copyright statement"""
180
# These are files which contain a different copyright statement
184
copyright_re = re.compile('#\\s*copyright.*(?=\n)', re.I)
185
copyright_canonical_re = re.compile(
186
r'# Copyright \(C\) ' # Opening "# Copyright (C)"
187
r'(\d+)(, \d+)*' # Followed by a series of dates
188
r'.*Canonical Ltd' # And containing 'Canonical Ltd'
191
for fname, text in self.get_source_file_contents():
192
if self.is_copyright_exception(fname):
194
match = copyright_canonical_re.search(text)
196
match = copyright_re.search(text)
198
incorrect.append((fname, 'found: %s' % (match.group(),)))
200
incorrect.append((fname, 'no copyright line found\n'))
202
if 'by Canonical' in match.group():
203
incorrect.append((fname,
204
'should not have: "by Canonical": %s'
208
help_text = ["Some files have missing or incorrect copyright"
211
"Please either add them to the list of"
212
" COPYRIGHT_EXCEPTIONS in"
213
" bzrlib/tests/test_source.py",
214
# this is broken to prevent a false match
215
"or add '# Copyright (C)"
216
" 2007 Canonical Ltd' to these files:",
219
for fname, comment in incorrect:
220
help_text.append(fname)
221
help_text.append((' '*4) + comment)
223
self.fail('\n'.join(help_text))
226
"""Test that all .py files have a GPL disclaimer"""
230
# This program is free software; you can redistribute it and/or modify
231
# it under the terms of the GNU General Public License as published by
232
# the Free Software Foundation; either version 2 of the License, or
233
# (at your option) any later version.
235
# This program is distributed in the hope that it will be useful,
236
# but WITHOUT ANY WARRANTY; without even the implied warranty of
237
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
238
# GNU General Public License for more details.
240
# You should have received a copy of the GNU General Public License
241
# along with this program; if not, write to the Free Software
242
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
244
gpl_re = re.compile(re.escape(gpl_txt), re.MULTILINE)
246
for fname, text in self.get_source_file_contents():
247
if self.is_license_exception(fname):
249
if not gpl_re.search(text):
250
incorrect.append(fname)
253
help_text = ['Some files have missing or incomplete GPL statement',
255
"Please either add them to the list of"
256
" LICENSE_EXCEPTIONS in"
257
" bzrlib/tests/test_source.py",
258
"Or add the following text to the beginning:",
261
for fname in incorrect:
262
help_text.append((' '*4) + fname)
264
self.fail('\n'.join(help_text))
266
def test_no_tabs(self):
267
"""bzrlib source files should not contain any tab characters."""
270
for fname, text in self.get_source_file_contents():
271
if not self.is_our_code(fname):
274
incorrect.append(fname)
277
self.fail('Tab characters were found in the following source files.'
278
'\nThey should either be replaced by "\\t" or by spaces:'
280
% ('\n '.join(incorrect)))
282
def test_no_asserts(self):
283
"""bzr shouldn't use the 'assert' statement."""
284
# assert causes too much variation between -O and not, and tends to
285
# give bad errors to the user
287
# scan down through x for assert statements, report any problems
288
# this is a bit cheesy; it may get some false positives?
289
if x[0] == symbol.assert_stmt:
291
elif x[0] == token.NAME:
292
# can't search further down
295
if sub and search(sub):
299
for fname, text in self.get_source_file_contents():
300
if not self.is_our_code(fname):
302
ast = parser.ast2tuple(parser.suite(''.join(text)))
304
badfiles.append(fname)
307
"these files contain an assert statement and should not:\n%s"
308
% '\n'.join(badfiles))