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Viewing changes to bzrlib/tests/test_ui.py

  • Committer: Martin Pool
  • Date: 2010-07-02 07:29:40 UTC
  • mfrom: (129.1.7 packaging-karmic)
  • Revision ID: mbp@sourcefrog.net-20100702072940-hpzq5elg8wjve8rh
http://bugs.debian.org/452024
http://bugs.debian.org/464688
http://bugs.debian.org/523595
http://bugs.debian.org/526233
http://bugs.debian.org/537708
http://bugs.debian.org/555336
http://bugs.debian.org/555343
https://launchpad.net/bugs/249452
https://launchpad.net/bugs/385074
* PPA rebuild.
* PPA rebuild for Karmic.
* PPA rebuild for Jaunty.
* PPA rebuild for Hardy.
* From postinst, actually remove the example bash completion scripts.
  (LP: #249452)
* New upstream release.
* New upstream release.
* New upstream release.
* Revert change to Build-depends: Dapper does not have python-central.
  Should be python-support..
* Target ppa..
* Target ppa..
* Target ppa..
* Target ppa..
* New upstream release.
* Switch to dpkg-source 3.0 (quilt) format.
* Bump standards version to 3.8.4.
* Remove embedded copy of python-configobj. Closes: #555336
* Remove embedded copy of python-elementtree. Closes: #555343
* Change section from 'Devel' to 'Vcs'..
* Change section from 'Devel' to 'Vcs'..
* Change section from 'Devel' to 'Vcs'..
* Change section from 'Devel' to 'Vcs'..
* Change section from 'Devel' to 'Vcs'..
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* debian/control: Fix obsolete-relation-form-in-source
  lintian warning. 
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Split out docs into bzr-doc package.
* New upstream release.
* Added John Francesco Ferlito to Uploaders.
* Fix install path to quick-reference guide
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Fix FTBFS due to path changes, again.
* Fix FTBFS due to doc paths changing
* New upstream release.
* Fix FTBFS due to path changes, again.
* Fix FTBFS due to doc paths changing
* New upstream release.
* Fix FTBFS due to path changes, again.
* Fix FTBFS due to doc paths changing
* New upstream release.
* Fix FTBFS due to path changes, again, again.
* Fix FTBFS due to path changes, again.
* Fix FTBFS due to path changes.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Bump standards version to 3.8.3.
* Remove unused patch system.
* New upstream release.
* New upstream release.
* New upstream release.
* Fix copy and paste tab error in .install file
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
 + Fixes compatibility with Python 2.4. Closes: #537708
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream version.
* Bump standards version to 3.8.2.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Add python-pyrex to build-deps to ensure C extensions are always build.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Split documentation into bzr-doc package. ((LP: #385074)
* Multiple packaging changes to make us more linitan clean.
* New upstream release.
* Split documentation into bzr-doc package. ((LP: #385074)
* Multiple packaging changes to make us more linitan clean.
* New upstream release.
* Split documentation into bzr-doc package. ((LP: #385074)
* Multiple packaging changes to make us more linitan clean.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Fix API compatibility version. (Closes: #526233)
* New upstream release.
  + Fixes default format for upgrade command. (Closes: #464688)
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Add missing dependency on zlib development library. (Closes:
  #523595)
* Add zlib build-depends.
* Add zlib build-depends.
* Add zlib build-depends.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Move to section vcs.
* Bump standards version to 3.8.1.
* New upstream release.
* Remove temporary patch for missing .c files from distribution
* New upstream release.
* Remove temporary patch for missing .c files from distribution
* New upstream release.
* Remove temporary patch for missing .c files from distribution
* Add temporary patch for missing .c files from distribution
* Add temporary patch for missing .c files from distribution
* Add temporary patch for missing .c files from distribution
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Recommend ca-certificates. (Closes: #452024)
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Update watch file. bazaar now uses launchpad to host its sources.
* Remove patch for inventory root revision copy, applied upstream.
* New upstream release.
* New upstream release.
* New upstream release
* Force removal of files installed in error to /etc/bash_completion.d/
  (LP: #249452)
* New upstream release.
* New upstream release
* New upstream release.
* Bump standards version.
* Include patch for inventory root revision copy, required for bzr-svn.
* New upstream release.
* Remove unused lintian overrides.
* Correct the package version not to be native.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Final 1.5 release.
* New upstream release.
* New upstream release.
* New upstream release.
* Add myself as a co-maintainer.
* Add a Dm-Upload-Allowed: yes header.
* New upstream bugfix release.
* New upstream release.
* Final 1.3 release.
* New upstream release.
* First release candidate of the upcoming 1.3 release.
* Rebuild to fix the problem caused by a build with a broken python-central.
* New upstream release.
* Rebuild for dapper PPA.
* Apply Lamont's patches to fix build-dependencies on dapper.
  (See: https://bugs.launchpad.net/bzr/+bug/189915)

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Lines of Context:
bzrlib/tests/test_ui.py
 
1
# Copyright (C) 2005, 2008, 2009, 2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
"""Tests for the bzrlib ui
 
18
"""
 
19
 
 
20
import os
 
21
import re
 
22
import time
 
23
 
 
24
from StringIO import StringIO
 
25
 
 
26
from bzrlib import (
 
27
    errors,
 
28
    remote,
 
29
    repository,
 
30
    tests,
 
31
    ui as _mod_ui,
 
32
    )
 
33
from bzrlib.symbol_versioning import (
 
34
    deprecated_in,
 
35
    )
 
36
from bzrlib.tests import test_progress
 
37
from bzrlib.ui import text as _mod_ui_text
 
38
 
 
39
 
 
40
class TestTextUIFactory(tests.TestCase):
 
41
 
 
42
    def test_text_factory_ascii_password(self):
 
43
        ui = tests.TestUIFactory(stdin='secret\n',
 
44
                                 stdout=tests.StringIOWrapper(),
 
45
                                 stderr=tests.StringIOWrapper())
 
46
        pb = ui.nested_progress_bar()
 
47
        try:
 
48
            self.assertEqual('secret',
 
49
                             self.apply_redirected(ui.stdin, ui.stdout,
 
50
                                                   ui.stderr,
 
51
                                                   ui.get_password))
 
52
            # ': ' is appended to prompt
 
53
            self.assertEqual(': ', ui.stderr.getvalue())
 
54
            self.assertEqual('', ui.stdout.readline())
 
55
            # stdin should be empty
 
56
            self.assertEqual('', ui.stdin.readline())
 
57
        finally:
 
58
            pb.finished()
 
59
 
 
60
    def test_text_factory_utf8_password(self):
 
61
        """Test an utf8 password.
 
62
 
 
63
        We can't predict what encoding users will have for stdin, so we force
 
64
        it to utf8 to test that we transport the password correctly.
 
65
        """
 
66
        ui = tests.TestUIFactory(stdin=u'baz\u1234'.encode('utf8'),
 
67
                                 stdout=tests.StringIOWrapper(),
 
68
                                 stderr=tests.StringIOWrapper())
 
69
        ui.stderr.encoding = ui.stdout.encoding = ui.stdin.encoding = 'utf8'
 
70
        pb = ui.nested_progress_bar()
 
71
        try:
 
72
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stderr,
 
73
                                             ui.get_password,
 
74
                                             u'Hello \u1234 %(user)s',
 
75
                                             user=u'some\u1234')
 
76
            # We use StringIO objects, we need to decode them
 
77
            self.assertEqual(u'baz\u1234', password.decode('utf8'))
 
78
            self.assertEqual(u'Hello \u1234 some\u1234: ',
 
79
                             ui.stderr.getvalue().decode('utf8'))
 
80
            # stdin and stdout should be empty
 
81
            self.assertEqual('', ui.stdin.readline())
 
82
            self.assertEqual('', ui.stdout.readline())
 
83
        finally:
 
84
            pb.finished()
 
85
 
 
86
    def test_progress_note(self):
 
87
        stderr = tests.StringIOWrapper()
 
88
        stdout = tests.StringIOWrapper()
 
89
        ui_factory = _mod_ui_text.TextUIFactory(stdin=tests.StringIOWrapper(''),
 
90
                                                stderr=stderr,
 
91
                                                stdout=stdout)
 
92
        pb = ui_factory.nested_progress_bar()
 
93
        try:
 
94
            result = self.applyDeprecated(deprecated_in((2, 1, 0)),
 
95
                pb.note,
 
96
                't')
 
97
            self.assertEqual(None, result)
 
98
            self.assertEqual("t\n", stdout.getvalue())
 
99
            # Since there was no update() call, there should be no clear() call
 
100
            self.failIf(re.search(r'^\r {10,}\r$',
 
101
                                  stderr.getvalue()) is not None,
 
102
                        'We cleared the stderr without anything to put there')
 
103
        finally:
 
104
            pb.finished()
 
105
 
 
106
    def test_progress_note_clears(self):
 
107
        stderr = test_progress._TTYStringIO()
 
108
        stdout = test_progress._TTYStringIO()
 
109
        # so that we get a TextProgressBar
 
110
        os.environ['TERM'] = 'xterm'
 
111
        ui_factory = _mod_ui_text.TextUIFactory(
 
112
            stdin=tests.StringIOWrapper(''),
 
113
            stdout=stdout, stderr=stderr)
 
114
        self.assertIsInstance(ui_factory._progress_view,
 
115
                              _mod_ui_text.TextProgressView)
 
116
        pb = ui_factory.nested_progress_bar()
 
117
        try:
 
118
            # Create a progress update that isn't throttled
 
119
            pb.update('x', 1, 1)
 
120
            result = self.applyDeprecated(deprecated_in((2, 1, 0)),
 
121
                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 = _mod_ui_text.TextUIFactory(None, None, None)
 
134
        pb1 = ui.nested_progress_bar()
 
135
        pb2 = ui.nested_progress_bar()
 
136
        # You do get a warning if the outermost progress bar wasn't finished
 
137
        # first - it's not clear if this is really useful or if it should just
 
138
        # become orphaned -- mbp 20090120
 
139
        warnings, _ = self.callCatchWarnings(pb1.finished)
 
140
        if len(warnings) != 1:
 
141
            self.fail("unexpected warnings: %r" % (warnings,))
 
142
        pb2.finished()
 
143
        pb1.finished()
 
144
 
 
145
    def test_text_ui_get_boolean(self):
 
146
        stdin = tests.StringIOWrapper("y\n" # True
 
147
                                      "n\n" # False
 
148
                                      "yes with garbage\nY\n" # True
 
149
                                      "not an answer\nno\n" # False
 
150
                                      "I'm sure!\nyes\n" # True
 
151
                                      "NO\n" # False
 
152
                                      "foo\n")
 
153
        stdout = tests.StringIOWrapper()
 
154
        stderr = tests.StringIOWrapper()
 
155
        factory = _mod_ui_text.TextUIFactory(stdin, stdout, stderr)
 
156
        self.assertEqual(True, factory.get_boolean(""))
 
157
        self.assertEqual(False, factory.get_boolean(""))
 
158
        self.assertEqual(True, factory.get_boolean(""))
 
159
        self.assertEqual(False, factory.get_boolean(""))
 
160
        self.assertEqual(True, factory.get_boolean(""))
 
161
        self.assertEqual(False, factory.get_boolean(""))
 
162
        self.assertEqual("foo\n", factory.stdin.read())
 
163
        # stdin should be empty
 
164
        self.assertEqual('', factory.stdin.readline())
 
165
 
 
166
    def test_text_ui_get_integer(self):
 
167
        stdin = tests.StringIOWrapper(
 
168
            "1\n"
 
169
            "  -2  \n"
 
170
            "hmmm\nwhat else ?\nCome on\nok 42\n4.24\n42\n")
 
171
        stdout = tests.StringIOWrapper()
 
172
        stderr = tests.StringIOWrapper()
 
173
        factory = _mod_ui_text.TextUIFactory(stdin, stdout, stderr)
 
174
        self.assertEqual(1, factory.get_integer(""))
 
175
        self.assertEqual(-2, factory.get_integer(""))
 
176
        self.assertEqual(42, factory.get_integer(""))
 
177
 
 
178
    def test_text_factory_prompt(self):
 
179
        # see <https://launchpad.net/bugs/365891>
 
180
        StringIO = tests.StringIOWrapper
 
181
        factory = _mod_ui_text.TextUIFactory(StringIO(), StringIO(), StringIO())
 
182
        factory.prompt('foo %2e')
 
183
        self.assertEqual('', factory.stdout.getvalue())
 
184
        self.assertEqual('foo %2e', factory.stderr.getvalue())
 
185
 
 
186
    def test_text_factory_prompts_and_clears(self):
 
187
        # a get_boolean call should clear the pb before prompting
 
188
        out = test_progress._TTYStringIO()
 
189
        os.environ['TERM'] = 'xterm'
 
190
        factory = _mod_ui_text.TextUIFactory(
 
191
            stdin=tests.StringIOWrapper("yada\ny\n"),
 
192
            stdout=out, stderr=out)
 
193
        pb = factory.nested_progress_bar()
 
194
        pb.show_bar = False
 
195
        pb.show_spinner = False
 
196
        pb.show_count = False
 
197
        pb.update("foo", 0, 1)
 
198
        self.assertEqual(True,
 
199
                         self.apply_redirected(None, factory.stdout,
 
200
                                               factory.stdout,
 
201
                                               factory.get_boolean,
 
202
                                               "what do you want"))
 
203
        output = out.getvalue()
 
204
        self.assertContainsRe(factory.stdout.getvalue(),
 
205
            "foo *\r\r  *\r*")
 
206
        self.assertContainsRe(factory.stdout.getvalue(),
 
207
            r"what do you want\? \[y/n\]: what do you want\? \[y/n\]: ")
 
208
        # stdin should have been totally consumed
 
209
        self.assertEqual('', factory.stdin.readline())
 
210
 
 
211
    def test_text_tick_after_update(self):
 
212
        ui_factory = _mod_ui_text.TextUIFactory(stdout=tests.StringIOWrapper(),
 
213
                                                stderr=tests.StringIOWrapper())
 
214
        pb = ui_factory.nested_progress_bar()
 
215
        try:
 
216
            pb.update('task', 0, 3)
 
217
            # Reset the clock, so that it actually tries to repaint itself
 
218
            ui_factory._progress_view._last_repaint = time.time() - 1.0
 
219
            pb.tick()
 
220
        finally:
 
221
            pb.finished()
 
222
 
 
223
    def test_text_ui_getusername(self):
 
224
        factory = _mod_ui_text.TextUIFactory(None, None, None)
 
225
        factory.stdin = tests.StringIOWrapper("someuser\n\n")
 
226
        factory.stdout = tests.StringIOWrapper()
 
227
        factory.stderr = tests.StringIOWrapper()
 
228
        factory.stdout.encoding = "utf8"
 
229
        # there is no output from the base factory
 
230
        self.assertEqual("someuser",
 
231
                         factory.get_username('Hello %(host)s', host='some'))
 
232
        self.assertEquals("Hello some: ", factory.stderr.getvalue())
 
233
        self.assertEquals('', factory.stdout.getvalue())
 
234
        self.assertEqual("", factory.get_username("Gebruiker"))
 
235
        # stdin should be empty
 
236
        self.assertEqual('', factory.stdin.readline())
 
237
 
 
238
    def test_text_ui_getusername_utf8(self):
 
239
        ui = tests.TestUIFactory(stdin=u'someuser\u1234'.encode('utf8'),
 
240
                                 stdout=tests.StringIOWrapper(),
 
241
                                 stderr=tests.StringIOWrapper())
 
242
        ui.stderr.encoding = ui.stdout.encoding = ui.stdin.encoding = "utf8"
 
243
        pb = ui.nested_progress_bar()
 
244
        try:
 
245
            # there is no output from the base factory
 
246
            username = self.apply_redirected(ui.stdin, ui.stdout, ui.stderr,
 
247
                ui.get_username, u'Hello\u1234 %(host)s', host=u'some\u1234')
 
248
            self.assertEquals(u"someuser\u1234", username.decode('utf8'))
 
249
            self.assertEquals(u"Hello\u1234 some\u1234: ",
 
250
                              ui.stderr.getvalue().decode("utf8"))
 
251
            self.assertEquals('', ui.stdout.getvalue())
 
252
        finally:
 
253
            pb.finished()
 
254
 
 
255
    def test_quietness(self):
 
256
        os.environ['BZR_PROGRESS_BAR'] = 'text'
 
257
        ui_factory = _mod_ui_text.TextUIFactory(None,
 
258
            test_progress._TTYStringIO(),
 
259
            test_progress._TTYStringIO())
 
260
        self.assertIsInstance(ui_factory._progress_view,
 
261
            _mod_ui_text.TextProgressView)
 
262
        ui_factory.be_quiet(True)
 
263
        self.assertIsInstance(ui_factory._progress_view,
 
264
            _mod_ui_text.NullProgressView)
 
265
 
 
266
    def test_text_ui_show_user_warning(self):
 
267
        from bzrlib.repofmt.groupcompress_repo import RepositoryFormat2a
 
268
        from bzrlib.repofmt.pack_repo import RepositoryFormatKnitPack5
 
269
        err = StringIO()
 
270
        out = StringIO()
 
271
        ui = tests.TextUIFactory(stdin=None, stdout=out, stderr=err)
 
272
        remote_fmt = remote.RemoteRepositoryFormat()
 
273
        remote_fmt._network_name = RepositoryFormatKnitPack5().network_name()
 
274
        ui.show_user_warning('cross_format_fetch', from_format=RepositoryFormat2a(),
 
275
            to_format=remote_fmt)
 
276
        self.assertEquals('', out.getvalue())
 
277
        self.assertEquals("Doing on-the-fly conversion from RepositoryFormat2a() to "
 
278
            "RemoteRepositoryFormat(_network_name='Bazaar RepositoryFormatKnitPack5 "
 
279
            "(bzr 1.6)\\n').\nThis may take some time. Upgrade the repositories to "
 
280
            "the same format for better performance.\n",
 
281
            err.getvalue())
 
282
        # and now with it suppressed please
 
283
        err = StringIO()
 
284
        out = StringIO()
 
285
        ui = tests.TextUIFactory(stdin=None, stdout=out, stderr=err)
 
286
        ui.suppressed_warnings.add('cross_format_fetch')
 
287
        ui.show_user_warning('cross_format_fetch', from_format=RepositoryFormat2a(),
 
288
            to_format=remote_fmt)
 
289
        self.assertEquals('', out.getvalue())
 
290
        self.assertEquals('', err.getvalue())
 
291
 
 
292
 
 
293
class TestTextUIOutputStream(tests.TestCase):
 
294
    """Tests for output stream that synchronizes with progress bar."""
 
295
 
 
296
    def test_output_clears_terminal(self):
 
297
        stdout = tests.StringIOWrapper()
 
298
        stderr = tests.StringIOWrapper()
 
299
        clear_calls = []
 
300
 
 
301
        uif =  _mod_ui_text.TextUIFactory(None, stdout, stderr)
 
302
        uif.clear_term = lambda: clear_calls.append('clear')
 
303
 
 
304
        stream = _mod_ui_text.TextUIOutputStream(uif, uif.stdout)
 
305
        stream.write("Hello world!\n")
 
306
        stream.write("there's more...\n")
 
307
        stream.writelines(["1\n", "2\n", "3\n"])
 
308
 
 
309
        self.assertEqual(stdout.getvalue(),
 
310
            "Hello world!\n"
 
311
            "there's more...\n"
 
312
            "1\n2\n3\n")
 
313
        self.assertEqual(['clear', 'clear', 'clear'],
 
314
            clear_calls)
 
315
 
 
316
        stream.flush()
 
317
 
 
318
 
 
319
class UITests(tests.TestCase):
 
320
 
 
321
    def test_progress_construction(self):
 
322
        """TextUIFactory constructs the right progress view.
 
323
        """
 
324
        TTYStringIO = test_progress._TTYStringIO
 
325
        FileStringIO = tests.StringIOWrapper
 
326
        for (file_class, term, pb, expected_pb_class) in (
 
327
            # on an xterm, either use them or not as the user requests,
 
328
            # otherwise default on
 
329
            (TTYStringIO, 'xterm', 'none', _mod_ui_text.NullProgressView),
 
330
            (TTYStringIO, 'xterm', 'text', _mod_ui_text.TextProgressView),
 
331
            (TTYStringIO, 'xterm', None, _mod_ui_text.TextProgressView),
 
332
            # on a dumb terminal, again if there's explicit configuration do
 
333
            # it, otherwise default off
 
334
            (TTYStringIO, 'dumb', 'none', _mod_ui_text.NullProgressView),
 
335
            (TTYStringIO, 'dumb', 'text', _mod_ui_text.TextProgressView),
 
336
            (TTYStringIO, 'dumb', None, _mod_ui_text.NullProgressView),
 
337
            # on a non-tty terminal, it's null regardless of $TERM
 
338
            (FileStringIO, 'xterm', None, _mod_ui_text.NullProgressView),
 
339
            (FileStringIO, 'dumb', None, _mod_ui_text.NullProgressView),
 
340
            # however, it can still be forced on
 
341
            (FileStringIO, 'dumb', 'text', _mod_ui_text.TextProgressView),
 
342
            ):
 
343
            os.environ['TERM'] = term
 
344
            if pb is None:
 
345
                if 'BZR_PROGRESS_BAR' in os.environ:
 
346
                    del os.environ['BZR_PROGRESS_BAR']
 
347
            else:
 
348
                os.environ['BZR_PROGRESS_BAR'] = pb
 
349
            stdin = file_class('')
 
350
            stderr = file_class()
 
351
            stdout = file_class()
 
352
            uif = _mod_ui.make_ui_for_terminal(stdin, stdout, stderr)
 
353
            self.assertIsInstance(uif, _mod_ui_text.TextUIFactory,
 
354
                "TERM=%s BZR_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
 
355
            self.assertIsInstance(uif.make_progress_view(),
 
356
                expected_pb_class,
 
357
                "TERM=%s BZR_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
 
358
 
 
359
    def test_text_ui_non_terminal(self):
 
360
        """Even on non-ttys, make_ui_for_terminal gives a text ui."""
 
361
        stdin = test_progress._NonTTYStringIO('')
 
362
        stderr = test_progress._NonTTYStringIO()
 
363
        stdout = test_progress._NonTTYStringIO()
 
364
        for term_type in ['dumb', None, 'xterm']:
 
365
            if term_type is None:
 
366
                del os.environ['TERM']
 
367
            else:
 
368
                os.environ['TERM'] = term_type
 
369
            uif = _mod_ui.make_ui_for_terminal(stdin, stdout, stderr)
 
370
            self.assertIsInstance(uif, _mod_ui_text.TextUIFactory,
 
371
                'TERM=%r' % (term_type,))
 
372
 
 
373
 
 
374
class SilentUITests(tests.TestCase):
 
375
 
 
376
    def test_silent_factory_get_password(self):
 
377
        # A silent factory that can't do user interaction can't get a
 
378
        # password.  Possibly it should raise a more specific error but it
 
379
        # can't succeed.
 
380
        ui = _mod_ui.SilentUIFactory()
 
381
        stdout = tests.StringIOWrapper()
 
382
        self.assertRaises(
 
383
            NotImplementedError,
 
384
            self.apply_redirected,
 
385
            None, stdout, stdout, ui.get_password)
 
386
        # and it didn't write anything out either
 
387
        self.assertEqual('', stdout.getvalue())
 
388
 
 
389
    def test_silent_ui_getbool(self):
 
390
        factory = _mod_ui.SilentUIFactory()
 
391
        stdout = tests.StringIOWrapper()
 
392
        self.assertRaises(
 
393
            NotImplementedError,
 
394
            self.apply_redirected,
 
395
            None, stdout, stdout, factory.get_boolean, "foo")
 
396
 
 
397
 
 
398
class TestUIFactoryTests(tests.TestCase):
 
399
 
 
400
    def test_test_ui_factory_progress(self):
 
401
        # there's no output; we just want to make sure this doesn't crash -
 
402
        # see https://bugs.edge.launchpad.net/bzr/+bug/408201
 
403
        ui = tests.TestUIFactory()
 
404
        pb = ui.nested_progress_bar()
 
405
        pb.update('hello')
 
406
        pb.tick()
 
407
        pb.finished()
 
408
 
 
409
 
 
410
class CannedInputUIFactoryTests(tests.TestCase):
 
411
 
 
412
    def test_canned_input_get_input(self):
 
413
        uif = _mod_ui.CannedInputUIFactory([True, 'mbp', 'password', 42])
 
414
        self.assertEqual(True, uif.get_boolean('Extra cheese?'))
 
415
        self.assertEqual('mbp', uif.get_username('Enter your user name'))
 
416
        self.assertEqual('password',
 
417
                         uif.get_password('Password for %(host)s',
 
418
                                          host='example.com'))
 
419
        self.assertEqual(42, uif.get_integer('And all that jazz ?'))
 
420
 
 
421
 
 
422
class TestBoolFromString(tests.TestCase):
 
423
 
 
424
    def assertIsTrue(self, s, accepted_values=None):
 
425
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
 
426
        self.assertEquals(True, res)
 
427
 
 
428
    def assertIsFalse(self, s, accepted_values=None):
 
429
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
 
430
        self.assertEquals(False, res)
 
431
 
 
432
    def assertIsNone(self, s, accepted_values=None):
 
433
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
 
434
        self.assertIs(None, res)
 
435
 
 
436
    def test_know_valid_values(self):
 
437
        self.assertIsTrue('true')
 
438
        self.assertIsFalse('false')
 
439
        self.assertIsTrue('1')
 
440
        self.assertIsFalse('0')
 
441
        self.assertIsTrue('on')
 
442
        self.assertIsFalse('off')
 
443
        self.assertIsTrue('yes')
 
444
        self.assertIsFalse('no')
 
445
        self.assertIsTrue('y')
 
446
        self.assertIsFalse('n')
 
447
        # Also try some case variations
 
448
        self.assertIsTrue('True')
 
449
        self.assertIsFalse('False')
 
450
        self.assertIsTrue('On')
 
451
        self.assertIsFalse('Off')
 
452
        self.assertIsTrue('ON')
 
453
        self.assertIsFalse('OFF')
 
454
        self.assertIsTrue('oN')
 
455
        self.assertIsFalse('oFf')
 
456
 
 
457
    def test_invalid_values(self):
 
458
        self.assertIsNone(None)
 
459
        self.assertIsNone('doubt')
 
460
        self.assertIsNone('frue')
 
461
        self.assertIsNone('talse')
 
462
        self.assertIsNone('42')
 
463
 
 
464
    def test_provided_values(self):
 
465
        av = dict(y=True, n=False, yes=True, no=False)
 
466
        self.assertIsTrue('y', av)
 
467
        self.assertIsTrue('Y', av)
 
468
        self.assertIsTrue('Yes', av)
 
469
        self.assertIsFalse('n', av)
 
470
        self.assertIsFalse('N', av)
 
471
        self.assertIsFalse('No', av)
 
472
        self.assertIsNone('1', av)
 
473
        self.assertIsNone('0', av)
 
474
        self.assertIsNone('on', av)
 
475
        self.assertIsNone('off', av)