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bzrlib/tests/test_msgeditor.py
1
 
# Copyright (C) 2005-2010 Canonical Ltd
 
1
# Copyright (C) 2005 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
12
12
#
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
17
"""Test commit message editor.
18
18
"""
20
20
import os
21
21
import sys
22
22
 
23
 
from bzrlib import (
24
 
    commit,
25
 
    errors,
26
 
    msgeditor,
27
 
    osutils,
28
 
    tests,
29
 
    trace,
30
 
    )
31
23
from bzrlib.branch import Branch
32
24
from bzrlib.config import ensure_config_dir_exists, config_filename
33
 
from bzrlib.msgeditor import (
34
 
    make_commit_message_template_encoded,
35
 
    edit_commit_message_encoded
36
 
)
37
 
from bzrlib.tests import (
38
 
    TestCaseInTempDir,
39
 
    TestCaseWithTransport,
40
 
    TestNotApplicable,
41
 
    TestSkipped,
42
 
    multiply_tests,
43
 
    probe_bad_non_ascii,
44
 
    split_suite_by_re,
45
 
    )
46
 
from bzrlib.tests.EncodingAdapter import encoding_scenarios
 
25
import bzrlib.msgeditor 
 
26
from bzrlib.tests import TestCaseWithTransport, TestSkipped
47
27
from bzrlib.trace import mutter
48
28
 
49
 
 
50
 
def load_tests(standard_tests, module, loader):
51
 
    """Parameterize the test for tempfile creation with different encodings."""
52
 
    to_adapt, result = split_suite_by_re(standard_tests,
53
 
        "test__create_temp_file_with_commit_template_in_unicode_dir")
54
 
    return multiply_tests(to_adapt, encoding_scenarios, result)
 
29
from bzrlib import (
 
30
    osutils,
 
31
    errors
 
32
    )
55
33
 
56
34
 
57
35
class MsgEditorTest(TestCaseWithTransport):
68
46
                "filesystem encoding %s" % sys.getfilesystemencoding())
69
47
        working_tree.add(filename)
70
48
        return working_tree
71
 
 
 
49
    
72
50
    def test_commit_template(self):
73
51
        """Test building a commit message template"""
74
52
        working_tree = self.make_uncommitted_tree()
75
 
        template = msgeditor.make_commit_message_template(working_tree,
76
 
                                                                 None)
77
 
        self.assertEqualDiff(template,
78
 
u"""\
79
 
added:
80
 
  hell\u00d8
81
 
""")
82
 
 
83
 
    def make_multiple_pending_tree(self):
84
 
        from bzrlib import config
85
 
        config.GlobalConfig().set_user_option('email',
86
 
                                              'Bilbo Baggins <bb@hobbit.net>')
87
 
        tree = self.make_branch_and_tree('a')
88
 
        tree.commit('Initial checkin.', timestamp=1230912900, timezone=0)
89
 
        tree2 = tree.bzrdir.clone('b').open_workingtree()
90
 
        tree.commit('Minor tweak.', timestamp=1231977840, timezone=0)
91
 
        tree2.commit('Feature X work.', timestamp=1233186240, timezone=0)
92
 
        tree3 = tree2.bzrdir.clone('c').open_workingtree()
93
 
        tree2.commit('Feature X finished.', timestamp=1233187680, timezone=0)
94
 
        tree3.commit('Feature Y, based on initial X work.',
95
 
                     timestamp=1233285960, timezone=0)
96
 
        tree.merge_from_branch(tree2.branch)
97
 
        tree.merge_from_branch(tree3.branch, force=True)
98
 
        return tree
99
 
 
100
 
    def test_commit_template_pending_merges(self):
101
 
        """Test building a commit message template when there are pending
102
 
        merges.  The commit message should show all pending merge revisions,
103
 
        as does 'status -v', not only the merge tips.
104
 
        """
105
 
        working_tree = self.make_multiple_pending_tree()
106
 
        template = msgeditor.make_commit_message_template(working_tree, None)
107
 
        self.assertEqualDiff(template,
108
 
u"""\
109
 
pending merges:
110
 
  Bilbo Baggins 2009-01-29 Feature X finished.
111
 
    Bilbo Baggins 2009-01-28 Feature X work.
112
 
  Bilbo Baggins 2009-01-30 Feature Y, based on initial X work.
113
 
""")
114
 
 
115
 
    def test_commit_template_encoded(self):
116
 
        """Test building a commit message template"""
117
 
        working_tree = self.make_uncommitted_tree()
118
 
        template = make_commit_message_template_encoded(working_tree,
119
 
                                                        None,
120
 
                                                        output_encoding='utf8')
121
 
        self.assertEqualDiff(template,
122
 
u"""\
123
 
added:
124
 
  hell\u00d8
125
 
""".encode("utf8"))
126
 
 
127
 
 
128
 
    def test_commit_template_and_diff(self):
129
 
        """Test building a commit message template"""
130
 
        working_tree = self.make_uncommitted_tree()
131
 
        template = make_commit_message_template_encoded(working_tree,
132
 
                                                        None,
133
 
                                                        diff=True,
134
 
                                                        output_encoding='utf8')
135
 
 
136
 
        self.assertTrue("""\
137
 
@@ -0,0 +1,1 @@
138
 
+contents of hello
139
 
""" in template)
140
 
        self.assertTrue(u"""\
141
 
added:
142
 
  hell\u00d8
143
 
""".encode('utf8') in template)
144
 
 
145
 
    def make_do_nothing_editor(self):
 
53
        template = bzrlib.msgeditor.make_commit_message_template(working_tree, None)
 
54
        self.assertEqualDiff(template,
 
55
u"""\
 
56
added:
 
57
  hell\u00d8
 
58
""")
 
59
 
 
60
    def setUp(self):
 
61
        super(MsgEditorTest, self).setUp()
 
62
        self._bzr_editor = os.environ.get('BZR_EDITOR', None)
 
63
 
 
64
    def tearDown(self):
 
65
        if self._bzr_editor is not None:
 
66
            os.environ['BZR_EDITOR'] = self._bzr_editor
 
67
        else:
 
68
            if os.environ.get('BZR_EDITOR', None) is not None:
 
69
                del os.environ['BZR_EDITOR']
 
70
        super(MsgEditorTest, self).tearDown()
 
71
 
 
72
    def test_run_editor(self):
146
73
        if sys.platform == "win32":
147
74
            f = file('fed.bat', 'w')
148
75
            f.write('@rem dummy fed')
149
76
            f.close()
150
 
            return 'fed.bat'
 
77
            os.environ['BZR_EDITOR'] = 'fed.bat'
151
78
        else:
152
79
            f = file('fed.sh', 'wb')
153
80
            f.write('#!/bin/sh\n')
154
81
            f.close()
155
82
            os.chmod('fed.sh', 0755)
156
 
            return './fed.sh'
 
83
            os.environ['BZR_EDITOR'] = './fed.sh'
157
84
 
158
 
    def test_run_editor(self):
159
 
        os.environ['BZR_EDITOR'] = self.make_do_nothing_editor()
160
 
        self.assertEqual(True, msgeditor._run_editor(''),
 
85
        self.assertEqual(True, bzrlib.msgeditor._run_editor(''),
161
86
                         'Unable to run dummy fake editor')
162
87
 
163
88
    def make_fake_editor(self, message='test message from fed\\n'):
202
127
 
203
128
        mutter('edit_commit_message without infotext')
204
129
        self.assertEqual('test message from fed\n',
205
 
                         msgeditor.edit_commit_message(''))
206
 
 
207
 
        mutter('edit_commit_message with ascii string infotext')
208
 
        self.assertEqual('test message from fed\n',
209
 
                         msgeditor.edit_commit_message('spam'))
 
130
                         bzrlib.msgeditor.edit_commit_message(''))
210
131
 
211
132
        mutter('edit_commit_message with unicode infotext')
212
133
        self.assertEqual('test message from fed\n',
213
 
                         msgeditor.edit_commit_message(u'\u1234'))
214
 
 
215
 
        tmpl = edit_commit_message_encoded(u'\u1234'.encode("utf8"))
216
 
        self.assertEqual('test message from fed\n', tmpl)
 
134
                         bzrlib.msgeditor.edit_commit_message(u'\u1234'))
217
135
 
218
136
    def test_start_message(self):
219
137
        self.make_uncommitted_tree()
220
138
        self.make_fake_editor()
221
139
        self.assertEqual('test message from fed\nstart message\n',
222
 
                         msgeditor.edit_commit_message('',
 
140
                         bzrlib.msgeditor.edit_commit_message('',
223
141
                                              start_message='start message\n'))
224
142
        self.assertEqual('test message from fed\n',
225
 
                         msgeditor.edit_commit_message('',
 
143
                         bzrlib.msgeditor.edit_commit_message('',
226
144
                                              start_message=''))
227
145
 
228
146
    def test_deleted_commit_message(self):
233
151
        else:
234
152
            os.environ['BZR_EDITOR'] = 'rm'
235
153
 
236
 
        self.assertRaises((IOError, OSError), msgeditor.edit_commit_message, '')
 
154
        self.assertRaises((IOError, OSError), bzrlib.msgeditor.edit_commit_message, '')
237
155
 
238
156
    def test__get_editor(self):
239
157
        # Test that _get_editor can return a decent list of items
250
168
            f.write('editor = config_editor\n')
251
169
            f.close()
252
170
 
253
 
            editors = list(msgeditor._get_editor())
254
 
            editors = [editor for (editor, cfg_src) in editors]
 
171
            editors = list(bzrlib.msgeditor._get_editor())
255
172
 
256
173
            self.assertEqual(['bzr_editor', 'config_editor', 'visual',
257
174
                              'editor'], editors[:4])
277
194
            else:
278
195
                os.environ['EDITOR'] = editor
279
196
 
280
 
    def test__run_editor_EACCES(self):
281
 
        """If running a configured editor raises EACESS, the user is warned."""
282
 
        os.environ['BZR_EDITOR'] = 'eacces.py'
283
 
        f = file('eacces.py', 'wb')
284
 
        f.write('# Not a real editor')
285
 
        f.close()
286
 
        # Make the fake editor unreadable (and unexecutable)
287
 
        os.chmod('eacces.py', 0)
288
 
        # Set $EDITOR so that _run_editor will terminate before trying real
289
 
        # editors.
290
 
        os.environ['EDITOR'] = self.make_do_nothing_editor()
291
 
        # Call _run_editor, capturing mutter.warning calls.
292
 
        warnings = []
293
 
        def warning(*args):
294
 
            if len(args) > 1:
295
 
                warnings.append(args[0] % args[1:])
296
 
            else:
297
 
                warnings.append(args[0])
298
 
        _warning = trace.warning
299
 
        trace.warning = warning
300
 
        try:
301
 
            msgeditor._run_editor('')
302
 
        finally:
303
 
            trace.warning = _warning
304
 
        self.assertStartsWith(warnings[0], 'Could not start editor "eacces.py"')
305
 
 
306
197
    def test__create_temp_file_with_commit_template(self):
307
198
        # check that commit template written properly
308
199
        # and has platform native line-endings (CRLF on win32)
309
 
        create_file = msgeditor._create_temp_file_with_commit_template
 
200
        create_file = bzrlib.msgeditor._create_temp_file_with_commit_template
310
201
        msgfilename, hasinfo = create_file('infotext','----','start message')
311
202
        self.assertNotEqual(None, msgfilename)
312
203
        self.assertTrue(hasinfo)
318
209
                                    'infotext'])
319
210
        self.assertFileEqual(expected, msgfilename)
320
211
 
321
 
    def test__create_temp_file_with_commit_template_in_unicode_dir(self):
322
 
        self.requireFeature(tests.UnicodeFilenameFeature)
323
 
        if hasattr(self, 'info'):
324
 
            os.mkdir(self.info['directory'])
325
 
            os.chdir(self.info['directory'])
326
 
            msgeditor._create_temp_file_with_commit_template('infotext')
327
 
        else:
328
 
            raise TestNotApplicable('Test run elsewhere with non-ascii data.')
329
 
 
330
212
    def test__create_temp_file_with_empty_commit_template(self):
331
213
        # empty file
332
 
        create_file = msgeditor._create_temp_file_with_commit_template
 
214
        create_file = bzrlib.msgeditor._create_temp_file_with_commit_template
333
215
        msgfilename, hasinfo = create_file('')
334
216
        self.assertNotEqual(None, msgfilename)
335
217
        self.assertFalse(hasinfo)
338
220
    def test_unsupported_encoding_commit_message(self):
339
221
        old_env = osutils.set_or_unset_env('LANG', 'C')
340
222
        try:
341
 
            # LANG env variable has no effect on Windows
342
 
            # but some characters anyway cannot be represented
343
 
            # in default user encoding
344
 
            char = probe_bad_non_ascii(osutils.get_user_encoding())
345
 
            if char is None:
346
 
                raise TestSkipped('Cannot find suitable non-ascii character '
347
 
                    'for user_encoding (%s)' % osutils.get_user_encoding())
348
 
 
349
 
            self.make_fake_editor(message=char)
 
223
            self.make_fake_editor(message='\xff')
350
224
 
351
225
            working_tree = self.make_uncommitted_tree()
352
226
            self.assertRaises(errors.BadCommitMessageEncoding,
353
 
                              msgeditor.edit_commit_message, '')
 
227
                                    bzrlib.msgeditor.edit_commit_message, '')
354
228
        finally:
355
229
            osutils.set_or_unset_env('LANG', old_env)
356
 
 
357
 
    def test_generate_commit_message_template_no_hooks(self):
358
 
        commit_obj = commit.Commit()
359
 
        self.assertIs(None,
360
 
            msgeditor.generate_commit_message_template(commit_obj))
361
 
 
362
 
    def test_generate_commit_message_template_hook(self):
363
 
        msgeditor.hooks.install_named_hook("commit_message_template",
364
 
                lambda commit_obj, msg: "save me some typing\n", None)
365
 
        commit_obj = commit.Commit()
366
 
        self.assertEquals("save me some typing\n",
367
 
            msgeditor.generate_commit_message_template(commit_obj))
368
 
 
369
 
 
370
 
# GZ 2009-11-17: This wants moving to osutils when the errno checking code is
371
 
class TestPlatformErrnoWorkarounds(TestCaseInTempDir):
372
 
    """Ensuring workarounds enshrined in code actually serve a purpose"""
373
 
 
374
 
    def test_subprocess_call_bad_file(self):
375
 
        if sys.platform != "win32":
376
 
            raise TestNotApplicable("Workarounds for windows only")
377
 
        import subprocess, errno
378
 
        ERROR_BAD_EXE_FORMAT = 193
379
 
        file("textfile.txt", "w").close()
380
 
        e = self.assertRaises(WindowsError, subprocess.call, "textfile.txt")
381
 
        # Python2.4 used the 'winerror' as the errno, which confuses a lot of
382
 
        # our error trapping code. Make sure that we understand the mapping
383
 
        # correctly.
384
 
        if sys.version_info >= (2, 5):
385
 
            self.assertEqual(e.errno, errno.ENOEXEC)
386
 
            self.assertEqual(e.winerror, ERROR_BAD_EXE_FORMAT)
387
 
        else:
388
 
            self.assertEqual(e.errno, ERROR_BAD_EXE_FORMAT)