~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_ui.py

  • Committer: mbp at sourcefrog
  • Date: 2005-03-29 07:15:34 UTC
  • Revision ID: mbp@sourcefrog.net-20050329071534-e7e920a0237295f9
fix error message for repeated add

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
 
# Copyright (C) 2005 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
 
 
17
 
"""Tests for the bzrlib ui
18
 
"""
19
 
 
20
 
import os
21
 
from StringIO import StringIO
22
 
import re
23
 
import sys
24
 
 
25
 
import bzrlib
26
 
import bzrlib.errors as errors
27
 
from bzrlib.progress import DotsProgressBar, TTYProgressBar, ProgressBarStack
28
 
from bzrlib.tests import (
29
 
    TestUIFactory,
30
 
    StringIOWrapper,
31
 
    TestCase,
32
 
    )
33
 
from bzrlib.tests.test_progress import _TTYStringIO
34
 
from bzrlib.ui import SilentUIFactory
35
 
from bzrlib.ui.text import TextUIFactory
36
 
 
37
 
 
38
 
class UITests(TestCase):
39
 
 
40
 
    def test_silent_factory(self):
41
 
        ui = SilentUIFactory()
42
 
        stdout = StringIO()
43
 
        self.assertEqual(None,
44
 
                         self.apply_redirected(None, stdout, stdout,
45
 
                                               ui.get_password))
46
 
        self.assertEqual('', stdout.getvalue())
47
 
        self.assertEqual(None,
48
 
                         self.apply_redirected(None, stdout, stdout,
49
 
                                               ui.get_password,
50
 
                                               u'Hello\u1234 %(user)s',
51
 
                                               user=u'some\u1234'))
52
 
        self.assertEqual('', stdout.getvalue())
53
 
 
54
 
    def test_text_factory_ascii_password(self):
55
 
        ui = TestUIFactory(stdin='secret\n', stdout=StringIOWrapper())
56
 
        pb = ui.nested_progress_bar()
57
 
        try:
58
 
            self.assertEqual('secret',
59
 
                             self.apply_redirected(ui.stdin, ui.stdout,
60
 
                                                   ui.stdout,
61
 
                                                   ui.get_password))
62
 
            # ': ' is appended to prompt
63
 
            self.assertEqual(': ', ui.stdout.getvalue())
64
 
        finally:
65
 
            pb.finished()
66
 
 
67
 
    def test_text_factory_utf8_password(self):
68
 
        """Test an utf8 password.
69
 
 
70
 
        We can't predict what encoding users will have for stdin, so we force
71
 
        it to utf8 to test that we transport the password correctly.
72
 
        """
73
 
        ui = TestUIFactory(stdin=u'baz\u1234'.encode('utf8'),
74
 
                           stdout=StringIOWrapper())
75
 
        ui.stdin.encoding = 'utf8'
76
 
        ui.stdout.encoding = ui.stdin.encoding
77
 
        pb = ui.nested_progress_bar()
78
 
        try:
79
 
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stdout,
80
 
                                             ui.get_password,
81
 
                                             u'Hello \u1234 %(user)s',
82
 
                                             user=u'some\u1234')
83
 
            # We use StringIO objects, we need to decode them
84
 
            self.assertEqual(u'baz\u1234', password.decode('utf8'))
85
 
            self.assertEqual(u'Hello \u1234 some\u1234: ',
86
 
                             ui.stdout.getvalue().decode('utf8'))
87
 
        finally:
88
 
            pb.finished()
89
 
 
90
 
    def test_progress_note(self):
91
 
        stderr = StringIO()
92
 
        stdout = StringIO()
93
 
        ui_factory = TextUIFactory(bar_type=TTYProgressBar)
94
 
        pb = ui_factory.nested_progress_bar()
95
 
        try:
96
 
            pb.to_messages_file = stdout
97
 
            ui_factory._progress_bar_stack.bottom().to_file = stderr
98
 
            result = pb.note('t')
99
 
            self.assertEqual(None, result)
100
 
            self.assertEqual("t\n", stdout.getvalue())
101
 
            # Since there was no update() call, there should be no clear() call
102
 
            self.failIf(re.search(r'^\r {10,}\r$', stderr.getvalue()) is not None,
103
 
                        'We cleared the stderr without anything to put there')
104
 
        finally:
105
 
            pb.finished()
106
 
 
107
 
    def test_progress_note_clears(self):
108
 
        stderr = StringIO()
109
 
        stdout = StringIO()
110
 
        # The PQM redirects the output to a file, so it
111
 
        # defaults to creating a Dots progress bar. we
112
 
        # need to force it to believe we are a TTY
113
 
        ui_factory = TextUIFactory(bar_type=TTYProgressBar)
114
 
        pb = ui_factory.nested_progress_bar()
115
 
        try:
116
 
            pb.to_messages_file = stdout
117
 
            ui_factory._progress_bar_stack.bottom().to_file = stderr
118
 
            # Create a progress update that isn't throttled
119
 
            pb.start_time -= 10
120
 
            pb.update('x', 1, 1)
121
 
            result = pb.note('t')
122
 
            self.assertEqual(None, result)
123
 
            self.assertEqual("t\n", stdout.getvalue())
124
 
            # the exact contents will depend on the terminal width and we don't
125
 
            # care about that right now - but you're probably running it on at
126
 
            # least a 10-character wide terminal :)
127
 
            self.assertContainsRe(stderr.getvalue(), r'\r {10,}\r$')
128
 
        finally:
129
 
            pb.finished()
130
 
 
131
 
    def test_progress_nested(self):
132
 
        # test factory based nested and popping.
133
 
        ui = TextUIFactory()
134
 
        pb1 = ui.nested_progress_bar()
135
 
        pb2 = ui.nested_progress_bar()
136
 
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
137
 
        pb2.finished()
138
 
        pb1.finished()
139
 
 
140
 
    def test_progress_stack(self):
141
 
        # test the progress bar stack which the default text factory 
142
 
        # uses.
143
 
        stderr = StringIO()
144
 
        stdout = StringIO()
145
 
        # make a stack, which accepts parameters like a pb.
146
 
        stack = ProgressBarStack(to_file=stderr, to_messages_file=stdout)
147
 
        # but is not one
148
 
        self.assertFalse(getattr(stack, 'note', False))
149
 
        pb1 = stack.get_nested()
150
 
        pb2 = stack.get_nested()
151
 
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
152
 
        pb2.finished()
153
 
        pb1.finished()
154
 
        # the text ui factory never actually removes the stack once its setup.
155
 
        # we need to be able to nest again correctly from here.
156
 
        pb1 = stack.get_nested()
157
 
        pb2 = stack.get_nested()
158
 
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
159
 
        pb2.finished()
160
 
        pb1.finished()
161
 
 
162
 
    def test_text_factory_setting_progress_bar(self):
163
 
        # we should be able to choose the progress bar type used.
164
 
        factory = bzrlib.ui.text.TextUIFactory(
165
 
            bar_type=DotsProgressBar)
166
 
        bar = factory.nested_progress_bar()
167
 
        bar.finished()
168
 
        self.assertIsInstance(bar, DotsProgressBar)
169
 
 
170
 
    def test_cli_stdin_is_default_stdin(self):
171
 
        factory = bzrlib.ui.CLIUIFactory()
172
 
        self.assertEqual(sys.stdin, factory.stdin)
173
 
 
174
 
    def assert_get_bool_acceptance_of_user_input(self, factory):
175
 
        factory.stdin = StringIO("y\nyes with garbage\nyes\nn\nnot an answer\nno\nfoo\n")
176
 
        factory.stdout = StringIO()
177
 
        # there is no output from the base factory
178
 
        self.assertEqual(True, factory.get_boolean(""))
179
 
        self.assertEqual(True, factory.get_boolean(""))
180
 
        self.assertEqual(False, factory.get_boolean(""))
181
 
        self.assertEqual(False, factory.get_boolean(""))
182
 
        self.assertEqual("foo\n", factory.stdin.read())
183
 
 
184
 
    def test_silent_ui_getbool(self):
185
 
        factory = bzrlib.ui.SilentUIFactory()
186
 
        self.assert_get_bool_acceptance_of_user_input(factory)
187
 
 
188
 
    def test_silent_factory_prompts_silently(self):
189
 
        factory = bzrlib.ui.SilentUIFactory()
190
 
        stdout = StringIO()
191
 
        factory.stdin = StringIO("y\n")
192
 
        self.assertEqual(
193
 
            True,
194
 
            self.apply_redirected(
195
 
                None, stdout, stdout, factory.get_boolean, "foo")
196
 
            )
197
 
        self.assertEqual("", stdout.getvalue())
198
 
        
199
 
    def test_text_ui_getbool(self):
200
 
        factory = bzrlib.ui.text.TextUIFactory()
201
 
        self.assert_get_bool_acceptance_of_user_input(factory)
202
 
 
203
 
    def test_text_factory_prompts_and_clears(self):
204
 
        # a get_boolean call should clear the pb before prompting
205
 
        factory = bzrlib.ui.text.TextUIFactory(bar_type=DotsProgressBar)
206
 
        factory.stdout = _TTYStringIO()
207
 
        factory.stdin = StringIO("yada\ny\n")
208
 
        pb = self.apply_redirected(
209
 
            factory.stdin, factory.stdout, factory.stdout, factory.nested_progress_bar)
210
 
        pb.start_time = None
211
 
        self.apply_redirected(
212
 
            factory.stdin, factory.stdout, factory.stdout, pb.update, "foo", 0, 1)
213
 
        self.assertEqual(
214
 
            True,
215
 
            self.apply_redirected(
216
 
                None, factory.stdout, factory.stdout, factory.get_boolean, "what do you want")
217
 
            )
218
 
        output = factory.stdout.getvalue()
219
 
        self.assertEqual("foo: .\n"
220
 
                         "what do you want? [y/n]: what do you want? [y/n]: ",
221
 
                         factory.stdout.getvalue())