~bzr-pqm/bzr/bzr.dev

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
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
# Copyright (C) 2005-2010 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Test commit message editor.
"""

import os
import sys

from bzrlib import (
    commit,
    errors,
    msgeditor,
    osutils,
    tests,
    trace,
    )
from bzrlib.branch import Branch
from bzrlib.config import ensure_config_dir_exists, config_filename
from bzrlib.msgeditor import (
    make_commit_message_template_encoded,
    edit_commit_message_encoded
)
from bzrlib.tests import (
    TestCaseInTempDir,
    TestCaseWithTransport,
    TestNotApplicable,
    TestSkipped,
    multiply_tests,
    probe_bad_non_ascii,
    split_suite_by_re,
    )
from bzrlib.tests.EncodingAdapter import encoding_scenarios
from bzrlib.trace import mutter


def load_tests(standard_tests, module, loader):
    """Parameterize the test for tempfile creation with different encodings."""
    to_adapt, result = split_suite_by_re(standard_tests,
        "test__create_temp_file_with_commit_template_in_unicode_dir")
    return multiply_tests(to_adapt, encoding_scenarios, result)


class MsgEditorTest(TestCaseWithTransport):

    def make_uncommitted_tree(self):
        """Build a branch with uncommitted unicode named changes in the cwd."""
        working_tree = self.make_branch_and_tree('.')
        b = working_tree.branch
        filename = u'hell\u00d8'
        try:
            self.build_tree_contents([(filename, 'contents of hello')])
        except UnicodeEncodeError:
            raise TestSkipped("can't build unicode working tree in "
                "filesystem encoding %s" % sys.getfilesystemencoding())
        working_tree.add(filename)
        return working_tree

    def test_commit_template(self):
        """Test building a commit message template"""
        working_tree = self.make_uncommitted_tree()
        template = msgeditor.make_commit_message_template(working_tree,
                                                                 None)
        self.assertEqualDiff(template,
u"""\
added:
  hell\u00d8
""")

    def make_multiple_pending_tree(self):
        from bzrlib import config
        config.GlobalConfig().set_user_option('email',
                                              'Bilbo Baggins <bb@hobbit.net>')
        tree = self.make_branch_and_tree('a')
        tree.commit('Initial checkin.', timestamp=1230912900, timezone=0)
        tree2 = tree.bzrdir.clone('b').open_workingtree()
        tree.commit('Minor tweak.', timestamp=1231977840, timezone=0)
        tree2.commit('Feature X work.', timestamp=1233186240, timezone=0)
        tree3 = tree2.bzrdir.clone('c').open_workingtree()
        tree2.commit('Feature X finished.', timestamp=1233187680, timezone=0)
        tree3.commit('Feature Y, based on initial X work.',
                     timestamp=1233285960, timezone=0)
        tree.merge_from_branch(tree2.branch)
        tree.merge_from_branch(tree3.branch, force=True)
        return tree

    def test_commit_template_pending_merges(self):
        """Test building a commit message template when there are pending
        merges.  The commit message should show all pending merge revisions,
        as does 'status -v', not only the merge tips.
        """
        working_tree = self.make_multiple_pending_tree()
        template = msgeditor.make_commit_message_template(working_tree, None)
        self.assertEqualDiff(template,
u"""\
pending merges:
  Bilbo Baggins 2009-01-29 Feature X finished.
    Bilbo Baggins 2009-01-28 Feature X work.
  Bilbo Baggins 2009-01-30 Feature Y, based on initial X work.
""")

    def test_commit_template_encoded(self):
        """Test building a commit message template"""
        working_tree = self.make_uncommitted_tree()
        template = make_commit_message_template_encoded(working_tree,
                                                        None,
                                                        output_encoding='utf8')
        self.assertEqualDiff(template,
u"""\
added:
  hell\u00d8
""".encode("utf8"))


    def test_commit_template_and_diff(self):
        """Test building a commit message template"""
        working_tree = self.make_uncommitted_tree()
        template = make_commit_message_template_encoded(working_tree,
                                                        None,
                                                        diff=True,
                                                        output_encoding='utf8')

        self.assertTrue("""\
@@ -0,0 +1,1 @@
+contents of hello
""" in template)
        self.assertTrue(u"""\
added:
  hell\u00d8
""".encode('utf8') in template)

    def make_do_nothing_editor(self):
        if sys.platform == "win32":
            f = file('fed.bat', 'w')
            f.write('@rem dummy fed')
            f.close()
            return 'fed.bat'
        else:
            f = file('fed.sh', 'wb')
            f.write('#!/bin/sh\n')
            f.close()
            os.chmod('fed.sh', 0755)
            return './fed.sh'

    def test_run_editor(self):
        os.environ['BZR_EDITOR'] = self.make_do_nothing_editor()
        self.assertEqual(True, msgeditor._run_editor(''),
                         'Unable to run dummy fake editor')

    def make_fake_editor(self, message='test message from fed\\n'):
        """Set up environment so that an editor will be a known script.

        Sets up BZR_EDITOR so that if an editor is spawned it will run a
        script that just adds a known message to the start of the file.
        """
        f = file('fed.py', 'wb')
        f.write('#!%s\n' % sys.executable)
        f.write("""\
# coding=utf-8
import sys
if len(sys.argv) == 2:
    fn = sys.argv[1]
    f = file(fn, 'rb')
    s = f.read()
    f.close()
    f = file(fn, 'wb')
    f.write('%s')
    f.write(s)
    f.close()
""" % (message, ))
        f.close()
        if sys.platform == "win32":
            # [win32] make batch file and set BZR_EDITOR
            f = file('fed.bat', 'w')
            f.write("""\
@echo off
"%s" fed.py %%1
""" % sys.executable)
            f.close()
            os.environ['BZR_EDITOR'] = 'fed.bat'
        else:
            # [non-win32] make python script executable and set BZR_EDITOR
            os.chmod('fed.py', 0755)
            os.environ['BZR_EDITOR'] = './fed.py'

    def test_edit_commit_message(self):
        working_tree = self.make_uncommitted_tree()
        self.make_fake_editor()

        mutter('edit_commit_message without infotext')
        self.assertEqual('test message from fed\n',
                         msgeditor.edit_commit_message(''))

        mutter('edit_commit_message with ascii string infotext')
        self.assertEqual('test message from fed\n',
                         msgeditor.edit_commit_message('spam'))

        mutter('edit_commit_message with unicode infotext')
        self.assertEqual('test message from fed\n',
                         msgeditor.edit_commit_message(u'\u1234'))

        tmpl = edit_commit_message_encoded(u'\u1234'.encode("utf8"))
        self.assertEqual('test message from fed\n', tmpl)

    def test_start_message(self):
        self.make_uncommitted_tree()
        self.make_fake_editor()
        self.assertEqual('test message from fed\nstart message\n',
                         msgeditor.edit_commit_message('',
                                              start_message='start message\n'))
        self.assertEqual('test message from fed\n',
                         msgeditor.edit_commit_message('',
                                              start_message=''))

    def test_deleted_commit_message(self):
        working_tree = self.make_uncommitted_tree()

        if sys.platform == 'win32':
            os.environ['BZR_EDITOR'] = 'cmd.exe /c del'
        else:
            os.environ['BZR_EDITOR'] = 'rm'

        self.assertRaises((IOError, OSError), msgeditor.edit_commit_message, '')

    def test__get_editor(self):
        # Test that _get_editor can return a decent list of items
        bzr_editor = os.environ.get('BZR_EDITOR')
        visual = os.environ.get('VISUAL')
        editor = os.environ.get('EDITOR')
        try:
            os.environ['BZR_EDITOR'] = 'bzr_editor'
            os.environ['VISUAL'] = 'visual'
            os.environ['EDITOR'] = 'editor'

            ensure_config_dir_exists()
            f = open(config_filename(), 'wb')
            f.write('editor = config_editor\n')
            f.close()

            editors = list(msgeditor._get_editor())
            editors = [editor for (editor, cfg_src) in editors]

            self.assertEqual(['bzr_editor', 'config_editor', 'visual',
                              'editor'], editors[:4])

            if sys.platform == 'win32':
                self.assertEqual(['wordpad.exe', 'notepad.exe'], editors[4:])
            else:
                self.assertEqual(['/usr/bin/editor', 'vi', 'pico', 'nano',
                                  'joe'], editors[4:])

        finally:
            # Restore the environment
            if bzr_editor is None:
                del os.environ['BZR_EDITOR']
            else:
                os.environ['BZR_EDITOR'] = bzr_editor
            if visual is None:
                del os.environ['VISUAL']
            else:
                os.environ['VISUAL'] = visual
            if editor is None:
                del os.environ['EDITOR']
            else:
                os.environ['EDITOR'] = editor

    def test__run_editor_EACCES(self):
        """If running a configured editor raises EACESS, the user is warned."""
        os.environ['BZR_EDITOR'] = 'eacces.py'
        f = file('eacces.py', 'wb')
        f.write('# Not a real editor')
        f.close()
        # Make the fake editor unreadable (and unexecutable)
        os.chmod('eacces.py', 0)
        # Set $EDITOR so that _run_editor will terminate before trying real
        # editors.
        os.environ['EDITOR'] = self.make_do_nothing_editor()
        # Call _run_editor, capturing mutter.warning calls.
        warnings = []
        def warning(*args):
            if len(args) > 1:
                warnings.append(args[0] % args[1:])
            else:
                warnings.append(args[0])
        _warning = trace.warning
        trace.warning = warning
        try:
            msgeditor._run_editor('')
        finally:
            trace.warning = _warning
        self.assertStartsWith(warnings[0], 'Could not start editor "eacces.py"')

    def test__create_temp_file_with_commit_template(self):
        # check that commit template written properly
        # and has platform native line-endings (CRLF on win32)
        create_file = msgeditor._create_temp_file_with_commit_template
        msgfilename, hasinfo = create_file('infotext','----','start message')
        self.assertNotEqual(None, msgfilename)
        self.assertTrue(hasinfo)
        expected = os.linesep.join(['start message',
                                    '',
                                    '',
                                    '----',
                                    '',
                                    'infotext'])
        self.assertFileEqual(expected, msgfilename)

    def test__create_temp_file_with_commit_template_in_unicode_dir(self):
        self.requireFeature(tests.UnicodeFilenameFeature)
        if hasattr(self, 'info'):
            os.mkdir(self.info['directory'])
            os.chdir(self.info['directory'])
            msgeditor._create_temp_file_with_commit_template('infotext')
        else:
            raise TestNotApplicable('Test run elsewhere with non-ascii data.')

    def test__create_temp_file_with_empty_commit_template(self):
        # empty file
        create_file = msgeditor._create_temp_file_with_commit_template
        msgfilename, hasinfo = create_file('')
        self.assertNotEqual(None, msgfilename)
        self.assertFalse(hasinfo)
        self.assertFileEqual('', msgfilename)

    def test_unsupported_encoding_commit_message(self):
        old_env = osutils.set_or_unset_env('LANG', 'C')
        try:
            # LANG env variable has no effect on Windows
            # but some characters anyway cannot be represented
            # in default user encoding
            char = probe_bad_non_ascii(osutils.get_user_encoding())
            if char is None:
                raise TestSkipped('Cannot find suitable non-ascii character '
                    'for user_encoding (%s)' % osutils.get_user_encoding())

            self.make_fake_editor(message=char)

            working_tree = self.make_uncommitted_tree()
            self.assertRaises(errors.BadCommitMessageEncoding,
                              msgeditor.edit_commit_message, '')
        finally:
            osutils.set_or_unset_env('LANG', old_env)

    def test_generate_commit_message_template_no_hooks(self):
        commit_obj = commit.Commit()
        self.assertIs(None,
            msgeditor.generate_commit_message_template(commit_obj))

    def test_generate_commit_message_template_hook(self):
        def restoreDefaults():
            msgeditor.hooks['commit_message_template'] = []
        self.addCleanup(restoreDefaults)
        msgeditor.hooks.install_named_hook("commit_message_template",
                lambda commit_obj, msg: "save me some typing\n", None)
        commit_obj = commit.Commit()
        self.assertEquals("save me some typing\n",
            msgeditor.generate_commit_message_template(commit_obj))


# GZ 2009-11-17: This wants moving to osutils when the errno checking code is
class TestPlatformErrnoWorkarounds(TestCaseInTempDir):
    """Ensuring workarounds enshrined in code actually serve a purpose"""

    def test_subprocess_call_bad_file(self):
        if sys.platform != "win32":
            raise TestNotApplicable("Workarounds for windows only")
        import subprocess, errno
        ERROR_BAD_EXE_FORMAT = 193
        file("textfile.txt", "w").close()
        e = self.assertRaises(WindowsError, subprocess.call, "textfile.txt")
        # Python2.4 used the 'winerror' as the errno, which confuses a lot of
        # our error trapping code. Make sure that we understand the mapping
        # correctly.
        if sys.version_info >= (2, 5):
            self.assertEqual(e.errno, errno.ENOEXEC)
            self.assertEqual(e.winerror, ERROR_BAD_EXE_FORMAT)
        else:
            self.assertEqual(e.errno, ERROR_BAD_EXE_FORMAT)