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Viewing changes to bzrlib/tests/test_ui.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2009-07-16 07:42:21 UTC
  • mfrom: (4466.1.4 spurious-stacking-warning)
  • Revision ID: pqm@pqm.ubuntu.com-20090716074221-a8ydf0c5tg54k35c
(andrew) Fix spurious 'does not support stacking' warning when
        pushing.

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bzrlib/tests/test_ui.py
1
 
# Copyright (C) 2005-2010 Canonical Ltd
 
1
# Copyright (C) 2005, 2008, 2009 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
18
18
"""
19
19
 
20
20
import os
 
21
from StringIO import StringIO
21
22
import re
 
23
import sys
22
24
import time
23
25
 
24
 
from StringIO import StringIO
25
 
 
26
26
from bzrlib import (
27
 
    config,
28
27
    errors,
29
 
    remote,
30
 
    repository,
31
28
    tests,
32
29
    ui as _mod_ui,
33
30
    )
34
31
from bzrlib.symbol_versioning import (
35
32
    deprecated_in,
36
33
    )
37
 
from bzrlib.tests import (
38
 
    fixtures,
39
 
    test_progress,
 
34
from bzrlib.tests.test_progress import _TTYStringIO
 
35
from bzrlib.ui.text import (
 
36
    NullProgressView,
 
37
    TextProgressView,
 
38
    TextUIFactory,
40
39
    )
41
 
from bzrlib.ui import text as _mod_ui_text
42
 
 
43
 
 
44
 
class TestUIConfiguration(tests.TestCaseWithTransport):
45
 
 
46
 
    def test_output_encoding_configuration(self):
47
 
        enc = fixtures.generate_unicode_encodings().next()
48
 
        config.GlobalConfig().set_user_option('output_encoding',
49
 
            enc)
50
 
        ui = tests.TestUIFactory(stdin=None,
51
 
            stdout=tests.StringIOWrapper(),
52
 
            stderr=tests.StringIOWrapper())
53
 
        os = ui.make_output_stream()
54
 
        self.assertEquals(os.encoding, enc)
55
 
 
56
 
 
57
 
class TestTextUIFactory(tests.TestCase):
 
40
 
 
41
 
 
42
class UITests(tests.TestCase):
 
43
 
 
44
    def test_silent_factory(self):
 
45
        ui = _mod_ui.SilentUIFactory()
 
46
        stdout = StringIO()
 
47
        self.assertEqual(None,
 
48
                         self.apply_redirected(None, stdout, stdout,
 
49
                                               ui.get_password))
 
50
        self.assertEqual('', stdout.getvalue())
 
51
        self.assertEqual(None,
 
52
                         self.apply_redirected(None, stdout, stdout,
 
53
                                               ui.get_password,
 
54
                                               u'Hello\u1234 %(user)s',
 
55
                                               user=u'some\u1234'))
 
56
        self.assertEqual('', stdout.getvalue())
58
57
 
59
58
    def test_text_factory_ascii_password(self):
60
59
        ui = tests.TestUIFactory(stdin='secret\n',
100
99
        finally:
101
100
            pb.finished()
102
101
 
103
 
    def test_text_ui_get_boolean(self):
104
 
        stdin = tests.StringIOWrapper("y\n" # True
105
 
                                      "n\n" # False
106
 
                                      "yes with garbage\nY\n" # True
107
 
                                      "not an answer\nno\n" # False
108
 
                                      "I'm sure!\nyes\n" # True
109
 
                                      "NO\n" # False
110
 
                                      "foo\n")
111
 
        stdout = tests.StringIOWrapper()
112
 
        stderr = tests.StringIOWrapper()
113
 
        factory = _mod_ui_text.TextUIFactory(stdin, stdout, stderr)
 
102
    def test_progress_construction(self):
 
103
        """TextUIFactory constructs the right progress view.
 
104
        """
 
105
        os.environ['BZR_PROGRESS_BAR'] = 'none'
 
106
        self.assertIsInstance(TextUIFactory()._progress_view,
 
107
            NullProgressView)
 
108
 
 
109
        os.environ['BZR_PROGRESS_BAR'] = 'text'
 
110
        self.assertIsInstance(TextUIFactory()._progress_view,
 
111
            TextProgressView)
 
112
 
 
113
        os.environ['BZR_PROGRESS_BAR'] = 'text'
 
114
        self.assertIsInstance(TextUIFactory()._progress_view,
 
115
            TextProgressView)
 
116
 
 
117
        del os.environ['BZR_PROGRESS_BAR']
 
118
        self.assertIsInstance(TextUIFactory()._progress_view,
 
119
            TextProgressView)
 
120
 
 
121
    def test_progress_note(self):
 
122
        stderr = StringIO()
 
123
        stdout = StringIO()
 
124
        ui_factory = TextUIFactory(stdin=StringIO(''),
 
125
            stderr=stderr,
 
126
            stdout=stdout)
 
127
        pb = ui_factory.nested_progress_bar()
 
128
        try:
 
129
            result = pb.note('t')
 
130
            self.assertEqual(None, result)
 
131
            self.assertEqual("t\n", stdout.getvalue())
 
132
            # Since there was no update() call, there should be no clear() call
 
133
            self.failIf(re.search(r'^\r {10,}\r$',
 
134
                                  stderr.getvalue()) is not None,
 
135
                        'We cleared the stderr without anything to put there')
 
136
        finally:
 
137
            pb.finished()
 
138
 
 
139
    def test_progress_note_clears(self):
 
140
        stderr = StringIO()
 
141
        stdout = StringIO()
 
142
        # The PQM redirects the output to a file, so it
 
143
        # defaults to creating a Dots progress bar. we
 
144
        # need to force it to believe we are a TTY
 
145
        ui_factory = TextUIFactory(
 
146
            stdin=StringIO(''),
 
147
            stdout=stdout, stderr=stderr)
 
148
        pb = ui_factory.nested_progress_bar()
 
149
        try:
 
150
            # Create a progress update that isn't throttled
 
151
            pb.update('x', 1, 1)
 
152
            result = pb.note('t')
 
153
            self.assertEqual(None, result)
 
154
            self.assertEqual("t\n", stdout.getvalue())
 
155
            # the exact contents will depend on the terminal width and we don't
 
156
            # care about that right now - but you're probably running it on at
 
157
            # least a 10-character wide terminal :)
 
158
            self.assertContainsRe(stderr.getvalue(), r'\r {10,}\r$')
 
159
        finally:
 
160
            pb.finished()
 
161
 
 
162
    def test_progress_nested(self):
 
163
        # test factory based nested and popping.
 
164
        ui = TextUIFactory(None, None, None)
 
165
        pb1 = ui.nested_progress_bar()
 
166
        pb2 = ui.nested_progress_bar()
 
167
        # You do get a warning if the outermost progress bar wasn't finished
 
168
        # first - it's not clear if this is really useful or if it should just
 
169
        # become orphaned -- mbp 20090120
 
170
        warnings, _ = self.callCatchWarnings(pb1.finished)
 
171
        if len(warnings) != 1:
 
172
            self.fail("unexpected warnings: %r" % (warnings,))
 
173
        pb2.finished()
 
174
        pb1.finished()
 
175
 
 
176
    def assert_get_bool_acceptance_of_user_input(self, factory):
 
177
        factory.stdin = StringIO("y\n" # True
 
178
                                 "n\n" # False
 
179
                                 "yes with garbage\nY\n" # True
 
180
                                 "not an answer\nno\n" # False
 
181
                                 "I'm sure!\nyes\n" # True
 
182
                                 "NO\n" # False
 
183
                                 "foo\n")
 
184
        factory.stdout = StringIO()
 
185
        factory.stderr = StringIO()
 
186
        # there is no output from the base factory
114
187
        self.assertEqual(True, factory.get_boolean(""))
115
188
        self.assertEqual(False, factory.get_boolean(""))
116
189
        self.assertEqual(True, factory.get_boolean(""))
121
194
        # stdin should be empty
122
195
        self.assertEqual('', factory.stdin.readline())
123
196
 
124
 
    def test_text_ui_get_integer(self):
125
 
        stdin = tests.StringIOWrapper(
126
 
            "1\n"
127
 
            "  -2  \n"
128
 
            "hmmm\nwhat else ?\nCome on\nok 42\n4.24\n42\n")
129
 
        stdout = tests.StringIOWrapper()
130
 
        stderr = tests.StringIOWrapper()
131
 
        factory = _mod_ui_text.TextUIFactory(stdin, stdout, stderr)
132
 
        self.assertEqual(1, factory.get_integer(""))
133
 
        self.assertEqual(-2, factory.get_integer(""))
134
 
        self.assertEqual(42, factory.get_integer(""))
 
197
    def test_silent_ui_getbool(self):
 
198
        factory = _mod_ui.SilentUIFactory()
 
199
        self.assert_get_bool_acceptance_of_user_input(factory)
 
200
 
 
201
    def test_silent_factory_prompts_silently(self):
 
202
        factory = _mod_ui.SilentUIFactory()
 
203
        stdout = StringIO()
 
204
        factory.stdin = StringIO("y\n")
 
205
        self.assertEqual(True,
 
206
                         self.apply_redirected(None, stdout, stdout,
 
207
                                               factory.get_boolean, "foo"))
 
208
        self.assertEqual("", stdout.getvalue())
 
209
        # stdin should be empty
 
210
        self.assertEqual('', factory.stdin.readline())
 
211
 
 
212
    def test_text_ui_getbool(self):
 
213
        factory = TextUIFactory(None, None, None)
 
214
        self.assert_get_bool_acceptance_of_user_input(factory)
135
215
 
136
216
    def test_text_factory_prompt(self):
137
217
        # see <https://launchpad.net/bugs/365891>
138
 
        StringIO = tests.StringIOWrapper
139
 
        factory = _mod_ui_text.TextUIFactory(StringIO(), StringIO(), StringIO())
 
218
        factory = TextUIFactory(None, StringIO(), StringIO(), StringIO())
140
219
        factory.prompt('foo %2e')
141
220
        self.assertEqual('', factory.stdout.getvalue())
142
221
        self.assertEqual('foo %2e', factory.stderr.getvalue())
143
222
 
144
223
    def test_text_factory_prompts_and_clears(self):
145
224
        # a get_boolean call should clear the pb before prompting
146
 
        out = test_progress._TTYStringIO()
147
 
        os.environ['TERM'] = 'xterm'
148
 
        factory = _mod_ui_text.TextUIFactory(
149
 
            stdin=tests.StringIOWrapper("yada\ny\n"),
150
 
            stdout=out, stderr=out)
151
 
        factory._avail_width = lambda: 79
 
225
        out = _TTYStringIO()
 
226
        factory = TextUIFactory(stdin=StringIO("yada\ny\n"),
 
227
                                stdout=out, stderr=out)
152
228
        pb = factory.nested_progress_bar()
153
229
        pb.show_bar = False
154
230
        pb.show_spinner = False
160
236
                                               factory.get_boolean,
161
237
                                               "what do you want"))
162
238
        output = out.getvalue()
163
 
        self.assertContainsRe(output,
164
 
            "| foo *\r\r  *\r*")
165
 
        self.assertContainsRe(output,
 
239
        self.assertContainsRe(factory.stdout.getvalue(),
 
240
            "foo *\r\r  *\r*")
 
241
        self.assertContainsRe(factory.stdout.getvalue(),
166
242
            r"what do you want\? \[y/n\]: what do you want\? \[y/n\]: ")
167
243
        # stdin should have been totally consumed
168
244
        self.assertEqual('', factory.stdin.readline())
169
245
 
170
246
    def test_text_tick_after_update(self):
171
 
        ui_factory = _mod_ui_text.TextUIFactory(stdout=tests.StringIOWrapper(),
172
 
                                                stderr=tests.StringIOWrapper())
 
247
        ui_factory = TextUIFactory(stdout=StringIO(), stderr=StringIO())
173
248
        pb = ui_factory.nested_progress_bar()
174
249
        try:
175
250
            pb.update('task', 0, 3)
179
254
        finally:
180
255
            pb.finished()
181
256
 
 
257
    def test_silent_ui_getusername(self):
 
258
        factory = _mod_ui.SilentUIFactory()
 
259
        factory.stdin = StringIO("someuser\n\n")
 
260
        factory.stdout = StringIO()
 
261
        factory.stderr = StringIO()
 
262
        self.assertEquals(None,
 
263
            factory.get_username(u'Hello\u1234 %(host)s', host=u'some\u1234'))
 
264
        self.assertEquals("", factory.stdout.getvalue())
 
265
        self.assertEquals("", factory.stderr.getvalue())
 
266
        self.assertEquals("someuser\n\n", factory.stdin.getvalue())
 
267
 
182
268
    def test_text_ui_getusername(self):
183
 
        factory = _mod_ui_text.TextUIFactory(None, None, None)
184
 
        factory.stdin = tests.StringIOWrapper("someuser\n\n")
185
 
        factory.stdout = tests.StringIOWrapper()
186
 
        factory.stderr = tests.StringIOWrapper()
 
269
        factory = TextUIFactory(None, None, None)
 
270
        factory.stdin = StringIO("someuser\n\n")
 
271
        factory.stdout = StringIO()
 
272
        factory.stderr = StringIO()
187
273
        factory.stdout.encoding = "utf8"
188
274
        # there is no output from the base factory
189
275
        self.assertEqual("someuser",
211
297
        finally:
212
298
            pb.finished()
213
299
 
214
 
    def test_quietness(self):
215
 
        os.environ['BZR_PROGRESS_BAR'] = 'text'
216
 
        ui_factory = _mod_ui_text.TextUIFactory(None,
217
 
            test_progress._TTYStringIO(),
218
 
            test_progress._TTYStringIO())
219
 
        self.assertIsInstance(ui_factory._progress_view,
220
 
            _mod_ui_text.TextProgressView)
221
 
        ui_factory.be_quiet(True)
222
 
        self.assertIsInstance(ui_factory._progress_view,
223
 
            _mod_ui_text.NullProgressView)
224
 
 
225
 
    def test_text_ui_show_user_warning(self):
226
 
        from bzrlib.repofmt.groupcompress_repo import RepositoryFormat2a
227
 
        from bzrlib.repofmt.pack_repo import RepositoryFormatKnitPack5
228
 
        err = StringIO()
229
 
        out = StringIO()
230
 
        ui = tests.TextUIFactory(stdin=None, stdout=out, stderr=err)
231
 
        remote_fmt = remote.RemoteRepositoryFormat()
232
 
        remote_fmt._network_name = RepositoryFormatKnitPack5().network_name()
233
 
        ui.show_user_warning('cross_format_fetch', from_format=RepositoryFormat2a(),
234
 
            to_format=remote_fmt)
235
 
        self.assertEquals('', out.getvalue())
236
 
        self.assertEquals("Doing on-the-fly conversion from RepositoryFormat2a() to "
237
 
            "RemoteRepositoryFormat(_network_name='Bazaar RepositoryFormatKnitPack5 "
238
 
            "(bzr 1.6)\\n').\nThis may take some time. Upgrade the repositories to "
239
 
            "the same format for better performance.\n",
240
 
            err.getvalue())
241
 
        # and now with it suppressed please
242
 
        err = StringIO()
243
 
        out = StringIO()
244
 
        ui = tests.TextUIFactory(stdin=None, stdout=out, stderr=err)
245
 
        ui.suppressed_warnings.add('cross_format_fetch')
246
 
        ui.show_user_warning('cross_format_fetch', from_format=RepositoryFormat2a(),
247
 
            to_format=remote_fmt)
248
 
        self.assertEquals('', out.getvalue())
249
 
        self.assertEquals('', err.getvalue())
250
 
 
251
 
 
252
 
class TestTextUIOutputStream(tests.TestCase):
253
 
    """Tests for output stream that synchronizes with progress bar."""
254
 
 
255
 
    def test_output_clears_terminal(self):
256
 
        stdout = tests.StringIOWrapper()
257
 
        stderr = tests.StringIOWrapper()
258
 
        clear_calls = []
259
 
 
260
 
        uif =  _mod_ui_text.TextUIFactory(None, stdout, stderr)
261
 
        uif.clear_term = lambda: clear_calls.append('clear')
262
 
 
263
 
        stream = _mod_ui_text.TextUIOutputStream(uif, uif.stdout)
264
 
        stream.write("Hello world!\n")
265
 
        stream.write("there's more...\n")
266
 
        stream.writelines(["1\n", "2\n", "3\n"])
267
 
 
268
 
        self.assertEqual(stdout.getvalue(),
269
 
            "Hello world!\n"
270
 
            "there's more...\n"
271
 
            "1\n2\n3\n")
272
 
        self.assertEqual(['clear', 'clear', 'clear'],
273
 
            clear_calls)
274
 
 
275
 
        stream.flush()
276
 
 
277
 
 
278
 
class UITests(tests.TestCase):
279
 
 
280
 
    def test_progress_construction(self):
281
 
        """TextUIFactory constructs the right progress view.
282
 
        """
283
 
        TTYStringIO = test_progress._TTYStringIO
284
 
        FileStringIO = tests.StringIOWrapper
285
 
        for (file_class, term, pb, expected_pb_class) in (
286
 
            # on an xterm, either use them or not as the user requests,
287
 
            # otherwise default on
288
 
            (TTYStringIO, 'xterm', 'none', _mod_ui_text.NullProgressView),
289
 
            (TTYStringIO, 'xterm', 'text', _mod_ui_text.TextProgressView),
290
 
            (TTYStringIO, 'xterm', None, _mod_ui_text.TextProgressView),
291
 
            # on a dumb terminal, again if there's explicit configuration do
292
 
            # it, otherwise default off
293
 
            (TTYStringIO, 'dumb', 'none', _mod_ui_text.NullProgressView),
294
 
            (TTYStringIO, 'dumb', 'text', _mod_ui_text.TextProgressView),
295
 
            (TTYStringIO, 'dumb', None, _mod_ui_text.NullProgressView),
296
 
            # on a non-tty terminal, it's null regardless of $TERM
297
 
            (FileStringIO, 'xterm', None, _mod_ui_text.NullProgressView),
298
 
            (FileStringIO, 'dumb', None, _mod_ui_text.NullProgressView),
299
 
            # however, it can still be forced on
300
 
            (FileStringIO, 'dumb', 'text', _mod_ui_text.TextProgressView),
301
 
            ):
302
 
            os.environ['TERM'] = term
303
 
            if pb is None:
304
 
                if 'BZR_PROGRESS_BAR' in os.environ:
305
 
                    del os.environ['BZR_PROGRESS_BAR']
306
 
            else:
307
 
                os.environ['BZR_PROGRESS_BAR'] = pb
308
 
            stdin = file_class('')
309
 
            stderr = file_class()
310
 
            stdout = file_class()
311
 
            uif = _mod_ui.make_ui_for_terminal(stdin, stdout, stderr)
312
 
            self.assertIsInstance(uif, _mod_ui_text.TextUIFactory,
313
 
                "TERM=%s BZR_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
314
 
            self.assertIsInstance(uif.make_progress_view(),
315
 
                expected_pb_class,
316
 
                "TERM=%s BZR_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
317
 
 
318
 
    def test_text_ui_non_terminal(self):
319
 
        """Even on non-ttys, make_ui_for_terminal gives a text ui."""
320
 
        stdin = test_progress._NonTTYStringIO('')
321
 
        stderr = test_progress._NonTTYStringIO()
322
 
        stdout = test_progress._NonTTYStringIO()
323
 
        for term_type in ['dumb', None, 'xterm']:
324
 
            if term_type is None:
325
 
                del os.environ['TERM']
326
 
            else:
327
 
                os.environ['TERM'] = term_type
328
 
            uif = _mod_ui.make_ui_for_terminal(stdin, stdout, stderr)
329
 
            self.assertIsInstance(uif, _mod_ui_text.TextUIFactory,
330
 
                'TERM=%r' % (term_type,))
331
 
 
332
 
 
333
 
class SilentUITests(tests.TestCase):
334
 
 
335
 
    def test_silent_factory_get_password(self):
336
 
        # A silent factory that can't do user interaction can't get a
337
 
        # password.  Possibly it should raise a more specific error but it
338
 
        # can't succeed.
339
 
        ui = _mod_ui.SilentUIFactory()
340
 
        stdout = tests.StringIOWrapper()
341
 
        self.assertRaises(
342
 
            NotImplementedError,
343
 
            self.apply_redirected,
344
 
            None, stdout, stdout, ui.get_password)
345
 
        # and it didn't write anything out either
346
 
        self.assertEqual('', stdout.getvalue())
347
 
 
348
 
    def test_silent_ui_getbool(self):
349
 
        factory = _mod_ui.SilentUIFactory()
350
 
        stdout = tests.StringIOWrapper()
351
 
        self.assertRaises(
352
 
            NotImplementedError,
353
 
            self.apply_redirected,
354
 
            None, stdout, stdout, factory.get_boolean, "foo")
355
 
 
356
 
 
357
 
class TestUIFactoryTests(tests.TestCase):
358
 
 
359
 
    def test_test_ui_factory_progress(self):
360
 
        # there's no output; we just want to make sure this doesn't crash -
361
 
        # see https://bugs.launchpad.net/bzr/+bug/408201
362
 
        ui = tests.TestUIFactory()
363
 
        pb = ui.nested_progress_bar()
364
 
        pb.update('hello')
365
 
        pb.tick()
366
 
        pb.finished()
367
 
 
368
 
 
369
 
class CannedInputUIFactoryTests(tests.TestCase):
370
 
 
371
 
    def test_canned_input_get_input(self):
372
 
        uif = _mod_ui.CannedInputUIFactory([True, 'mbp', 'password', 42])
373
 
        self.assertEqual(True, uif.get_boolean('Extra cheese?'))
374
 
        self.assertEqual('mbp', uif.get_username('Enter your user name'))
375
 
        self.assertEqual('password',
376
 
                         uif.get_password('Password for %(host)s',
377
 
                                          host='example.com'))
378
 
        self.assertEqual(42, uif.get_integer('And all that jazz ?'))
 
300
 
 
301
class TestTextProgressView(tests.TestCase):
 
302
    """Tests for text display of progress bars.
 
303
    """
 
304
    # XXX: These might be a bit easier to write if the rendering and
 
305
    # state-maintaining parts of TextProgressView were more separate, and if
 
306
    # the progress task called back directly to its own view not to the ui
 
307
    # factory. -- mbp 20090312
 
308
    
 
309
    def _make_factory(self):
 
310
        out = StringIO()
 
311
        uif = TextUIFactory(stderr=out)
 
312
        uif._progress_view._width = 80
 
313
        return out, uif
 
314
 
 
315
    def test_render_progress_easy(self):
 
316
        """Just one task and one quarter done"""
 
317
        out, uif = self._make_factory()
 
318
        task = uif.nested_progress_bar()
 
319
        task.update('reticulating splines', 5, 20)
 
320
        self.assertEqual(
 
321
'\r[####/               ] reticulating splines 5/20                               \r'
 
322
            , out.getvalue())
 
323
 
 
324
    def test_render_progress_nested(self):
 
325
        """Tasks proportionally contribute to overall progress"""
 
326
        out, uif = self._make_factory()
 
327
        task = uif.nested_progress_bar()
 
328
        task.update('reticulating splines', 0, 2)
 
329
        task2 = uif.nested_progress_bar()
 
330
        task2.update('stage2', 1, 2)
 
331
        # so we're in the first half of the main task, and half way through
 
332
        # that
 
333
        self.assertEqual(
 
334
r'[####\               ] reticulating splines:stage2 1/2'
 
335
            , uif._progress_view._render_line())
 
336
        # if the nested task is complete, then we're all the way through the
 
337
        # first half of the overall work
 
338
        task2.update('stage2', 2, 2)
 
339
        self.assertEqual(
 
340
r'[#########|          ] reticulating splines:stage2 2/2'
 
341
            , uif._progress_view._render_line())
 
342
 
 
343
    def test_render_progress_sub_nested(self):
 
344
        """Intermediate tasks don't mess up calculation."""
 
345
        out, uif = self._make_factory()
 
346
        task_a = uif.nested_progress_bar()
 
347
        task_a.update('a', 0, 2)
 
348
        task_b = uif.nested_progress_bar()
 
349
        task_b.update('b')
 
350
        task_c = uif.nested_progress_bar()
 
351
        task_c.update('c', 1, 2)
 
352
        # the top-level task is in its first half; the middle one has no
 
353
        # progress indication, just a label; and the bottom one is half done,
 
354
        # so the overall fraction is 1/4
 
355
        self.assertEqual(
 
356
            r'[####|               ] a:b:c 1/2'
 
357
            , uif._progress_view._render_line())
379
358
 
380
359
 
381
360
class TestBoolFromString(tests.TestCase):