← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_ui.py

  • Committer: Martin Pool
  • Date: 2008-05-08 04:12:06 UTC
  • mto: This revision was merged to the branch mainline in revision 3415.
  • Revision ID: mbp@sourcefrog.net-20080508041206-tkrr8ucmcyrlzkum
Some review cleanups for assertion removal

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/test_ui.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
"""Tests for the bzrlib ui
18
18
"""
19
19
 
20
20
import os
 
21
from StringIO import StringIO
21
22
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):
 
23
import sys
 
24
 
 
25
import bzrlib
 
26
import bzrlib.errors as errors
 
27
from bzrlib.progress import (
 
28
    DotsProgressBar,
 
29
    ProgressBarStack,
 
30
    TTYProgressBar,
 
31
    )
 
32
from bzrlib.tests import (
 
33
    TestCase,
 
34
    TestUIFactory,
 
35
    StringIOWrapper,
 
36
    )
 
37
from bzrlib.tests.test_progress import _TTYStringIO
 
38
from bzrlib.ui import (
 
39
    CLIUIFactory,
 
40
    SilentUIFactory,
 
41
    )
 
42
from bzrlib.ui.text import TextUIFactory
 
43
 
 
44
 
 
45
class UITests(TestCase):
 
46
 
 
47
    def test_silent_factory(self):
 
48
        ui = SilentUIFactory()
 
49
        stdout = StringIO()
 
50
        self.assertEqual(None,
 
51
                         self.apply_redirected(None, stdout, stdout,
 
52
                                               ui.get_password))
 
53
        self.assertEqual('', stdout.getvalue())
 
54
        self.assertEqual(None,
 
55
                         self.apply_redirected(None, stdout, stdout,
 
56
                                               ui.get_password,
 
57
                                               u'Hello\u1234 %(user)s',
 
58
                                               user=u'some\u1234'))
 
59
        self.assertEqual('', stdout.getvalue())
41
60
 
42
61
    def test_text_factory_ascii_password(self):
43
 
        ui = tests.TestUIFactory(stdin='secret\n',
44
 
                                 stdout=tests.StringIOWrapper(),
45
 
                                 stderr=tests.StringIOWrapper())
 
62
        ui = TestUIFactory(stdin='secret\n', stdout=StringIOWrapper())
46
63
        pb = ui.nested_progress_bar()
47
64
        try:
48
65
            self.assertEqual('secret',
49
66
                             self.apply_redirected(ui.stdin, ui.stdout,
50
 
                                                   ui.stderr,
 
67
                                                   ui.stdout,
51
68
                                                   ui.get_password))
52
69
            # ': ' is appended to prompt
53
 
            self.assertEqual(': ', ui.stderr.getvalue())
54
 
            self.assertEqual('', ui.stdout.readline())
 
70
            self.assertEqual(': ', ui.stdout.getvalue())
55
71
            # stdin should be empty
56
72
            self.assertEqual('', ui.stdin.readline())
57
73
        finally:
63
79
        We can't predict what encoding users will have for stdin, so we force
64
80
        it to utf8 to test that we transport the password correctly.
65
81
        """
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'
 
82
        ui = TestUIFactory(stdin=u'baz\u1234'.encode('utf8'),
 
83
                           stdout=StringIOWrapper())
 
84
        ui.stdin.encoding = 'utf8'
 
85
        ui.stdout.encoding = ui.stdin.encoding
70
86
        pb = ui.nested_progress_bar()
71
87
        try:
72
 
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stderr,
 
88
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stdout,
73
89
                                             ui.get_password,
74
90
                                             u'Hello \u1234 %(user)s',
75
91
                                             user=u'some\u1234')
76
92
            # We use StringIO objects, we need to decode them
77
93
            self.assertEqual(u'baz\u1234', password.decode('utf8'))
78
94
            self.assertEqual(u'Hello \u1234 some\u1234: ',
79
 
                             ui.stderr.getvalue().decode('utf8'))
80
 
            # stdin and stdout should be empty
 
95
                             ui.stdout.getvalue().decode('utf8'))
 
96
            # stdin should be empty
81
97
            self.assertEqual('', ui.stdin.readline())
82
 
            self.assertEqual('', ui.stdout.readline())
83
98
        finally:
84
99
            pb.finished()
85
100
 
86
101
    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)
 
102
        stderr = StringIO()
 
103
        stdout = StringIO()
 
104
        ui_factory = TextUIFactory(bar_type=TTYProgressBar)
92
105
        pb = ui_factory.nested_progress_bar()
93
106
        try:
94
 
            result = self.applyDeprecated(deprecated_in((2, 1, 0)),
95
 
                pb.note,
96
 
                't')
 
107
            pb.to_messages_file = stdout
 
108
            ui_factory._progress_bar_stack.bottom().to_file = stderr
 
109
            result = pb.note('t')
97
110
            self.assertEqual(None, result)
98
111
            self.assertEqual("t\n", stdout.getvalue())
99
112
            # Since there was no update() call, there should be no clear() call
104
117
            pb.finished()
105
118
 
106
119
    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)
 
120
        stderr = StringIO()
 
121
        stdout = StringIO()
 
122
        # The PQM redirects the output to a file, so it
 
123
        # defaults to creating a Dots progress bar. we
 
124
        # need to force it to believe we are a TTY
 
125
        ui_factory = TextUIFactory(bar_type=TTYProgressBar)
116
126
        pb = ui_factory.nested_progress_bar()
117
127
        try:
 
128
            pb.to_messages_file = stdout
 
129
            ui_factory._progress_bar_stack.bottom().to_file = stderr
118
130
            # Create a progress update that isn't throttled
 
131
            pb.start_time -= 10
119
132
            pb.update('x', 1, 1)
120
 
            result = self.applyDeprecated(deprecated_in((2, 1, 0)),
121
 
                pb.note, 't')
 
133
            result = pb.note('t')
122
134
            self.assertEqual(None, result)
123
135
            self.assertEqual("t\n", stdout.getvalue())
124
136
            # the exact contents will depend on the terminal width and we don't
128
140
        finally:
129
141
            pb.finished()
130
142
 
131
 
    def test_text_ui_get_boolean(self):
132
 
        stdin = tests.StringIOWrapper("y\n" # True
133
 
                                      "n\n" # False
134
 
                                      "yes with garbage\nY\n" # True
135
 
                                      "not an answer\nno\n" # False
136
 
                                      "I'm sure!\nyes\n" # True
137
 
                                      "NO\n" # False
138
 
                                      "foo\n")
139
 
        stdout = tests.StringIOWrapper()
140
 
        stderr = tests.StringIOWrapper()
141
 
        factory = _mod_ui_text.TextUIFactory(stdin, stdout, stderr)
142
 
        self.assertEqual(True, factory.get_boolean(""))
143
 
        self.assertEqual(False, factory.get_boolean(""))
144
 
        self.assertEqual(True, factory.get_boolean(""))
145
 
        self.assertEqual(False, factory.get_boolean(""))
146
 
        self.assertEqual(True, factory.get_boolean(""))
 
143
    def test_progress_nested(self):
 
144
        # test factory based nested and popping.
 
145
        ui = TextUIFactory()
 
146
        pb1 = ui.nested_progress_bar()
 
147
        pb2 = ui.nested_progress_bar()
 
148
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
 
149
        pb2.finished()
 
150
        pb1.finished()
 
151
 
 
152
    def test_progress_stack(self):
 
153
        # test the progress bar stack which the default text factory 
 
154
        # uses.
 
155
        stderr = StringIO()
 
156
        stdout = StringIO()
 
157
        # make a stack, which accepts parameters like a pb.
 
158
        stack = ProgressBarStack(to_file=stderr, to_messages_file=stdout)
 
159
        # but is not one
 
160
        self.assertFalse(getattr(stack, 'note', False))
 
161
        pb1 = stack.get_nested()
 
162
        pb2 = stack.get_nested()
 
163
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
 
164
        pb2.finished()
 
165
        pb1.finished()
 
166
        # the text ui factory never actually removes the stack once its setup.
 
167
        # we need to be able to nest again correctly from here.
 
168
        pb1 = stack.get_nested()
 
169
        pb2 = stack.get_nested()
 
170
        self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
 
171
        pb2.finished()
 
172
        pb1.finished()
 
173
 
 
174
    def test_text_factory_setting_progress_bar(self):
 
175
        # we should be able to choose the progress bar type used.
 
176
        factory = TextUIFactory(bar_type=DotsProgressBar)
 
177
        bar = factory.nested_progress_bar()
 
178
        bar.finished()
 
179
        self.assertIsInstance(bar, DotsProgressBar)
 
180
 
 
181
    def test_cli_stdin_is_default_stdin(self):
 
182
        factory = CLIUIFactory()
 
183
        self.assertEqual(sys.stdin, factory.stdin)
 
184
 
 
185
    def assert_get_bool_acceptance_of_user_input(self, factory):
 
186
        factory.stdin = StringIO("y\nyes with garbage\n"
 
187
                                 "yes\nn\nnot an answer\n"
 
188
                                 "no\nfoo\n")
 
189
        factory.stdout = StringIO()
 
190
        # there is no output from the base factory
 
191
        self.assertEqual(True, factory.get_boolean(""))
 
192
        self.assertEqual(True, factory.get_boolean(""))
 
193
        self.assertEqual(False, factory.get_boolean(""))
147
194
        self.assertEqual(False, factory.get_boolean(""))
148
195
        self.assertEqual("foo\n", factory.stdin.read())
149
196
        # stdin should be empty
150
197
        self.assertEqual('', factory.stdin.readline())
151
198
 
152
 
    def test_text_ui_get_integer(self):
153
 
        stdin = tests.StringIOWrapper(
154
 
            "1\n"
155
 
            "  -2  \n"
156
 
            "hmmm\nwhat else ?\nCome on\nok 42\n4.24\n42\n")
157
 
        stdout = tests.StringIOWrapper()
158
 
        stderr = tests.StringIOWrapper()
159
 
        factory = _mod_ui_text.TextUIFactory(stdin, stdout, stderr)
160
 
        self.assertEqual(1, factory.get_integer(""))
161
 
        self.assertEqual(-2, factory.get_integer(""))
162
 
        self.assertEqual(42, factory.get_integer(""))
163
 
 
164
 
    def test_text_factory_prompt(self):
165
 
        # see <https://launchpad.net/bugs/365891>
166
 
        StringIO = tests.StringIOWrapper
167
 
        factory = _mod_ui_text.TextUIFactory(StringIO(), StringIO(), StringIO())
168
 
        factory.prompt('foo %2e')
169
 
        self.assertEqual('', factory.stdout.getvalue())
170
 
        self.assertEqual('foo %2e', factory.stderr.getvalue())
 
199
    def test_silent_ui_getbool(self):
 
200
        factory = SilentUIFactory()
 
201
        self.assert_get_bool_acceptance_of_user_input(factory)
 
202
 
 
203
    def test_silent_factory_prompts_silently(self):
 
204
        factory = SilentUIFactory()
 
205
        stdout = StringIO()
 
206
        factory.stdin = StringIO("y\n")
 
207
        self.assertEqual(True,
 
208
                         self.apply_redirected(None, stdout, stdout,
 
209
                                               factory.get_boolean, "foo"))
 
210
        self.assertEqual("", stdout.getvalue())
 
211
        # stdin should be empty
 
212
        self.assertEqual('', factory.stdin.readline())
 
213
 
 
214
    def test_text_ui_getbool(self):
 
215
        factory = TextUIFactory()
 
216
        self.assert_get_bool_acceptance_of_user_input(factory)
171
217
 
172
218
    def test_text_factory_prompts_and_clears(self):
173
219
        # a get_boolean call should clear the pb before prompting
174
 
        out = test_progress._TTYStringIO()
175
 
        os.environ['TERM'] = 'xterm'
176
 
        factory = _mod_ui_text.TextUIFactory(
177
 
            stdin=tests.StringIOWrapper("yada\ny\n"),
178
 
            stdout=out, stderr=out)
179
 
        pb = factory.nested_progress_bar()
180
 
        pb.show_bar = False
181
 
        pb.show_spinner = False
182
 
        pb.show_count = False
183
 
        pb.update("foo", 0, 1)
 
220
        factory = TextUIFactory(bar_type=DotsProgressBar)
 
221
        factory.stdout = _TTYStringIO()
 
222
        factory.stdin = StringIO("yada\ny\n")
 
223
        pb = self.apply_redirected(factory.stdin, factory.stdout,
 
224
                                   factory.stdout, factory.nested_progress_bar)
 
225
        pb.start_time = None
 
226
        self.apply_redirected(factory.stdin, factory.stdout,
 
227
                              factory.stdout, pb.update, "foo", 0, 1)
184
228
        self.assertEqual(True,
185
229
                         self.apply_redirected(None, factory.stdout,
186
230
                                               factory.stdout,
187
231
                                               factory.get_boolean,
188
232
                                               "what do you want"))
189
 
        output = out.getvalue()
190
 
        self.assertContainsRe(factory.stdout.getvalue(),
191
 
            "foo *\r\r  *\r*")
192
 
        self.assertContainsRe(factory.stdout.getvalue(),
193
 
            r"what do you want\? \[y/n\]: what do you want\? \[y/n\]: ")
194
 
        # stdin should have been totally consumed
195
 
        self.assertEqual('', factory.stdin.readline())
196
 
 
197
 
    def test_text_tick_after_update(self):
198
 
        ui_factory = _mod_ui_text.TextUIFactory(stdout=tests.StringIOWrapper(),
199
 
                                                stderr=tests.StringIOWrapper())
200
 
        pb = ui_factory.nested_progress_bar()
201
 
        try:
202
 
            pb.update('task', 0, 3)
203
 
            # Reset the clock, so that it actually tries to repaint itself
204
 
            ui_factory._progress_view._last_repaint = time.time() - 1.0
205
 
            pb.tick()
206
 
        finally:
207
 
            pb.finished()
208
 
 
209
 
    def test_text_ui_getusername(self):
210
 
        factory = _mod_ui_text.TextUIFactory(None, None, None)
211
 
        factory.stdin = tests.StringIOWrapper("someuser\n\n")
212
 
        factory.stdout = tests.StringIOWrapper()
213
 
        factory.stderr = tests.StringIOWrapper()
214
 
        factory.stdout.encoding = "utf8"
215
 
        # there is no output from the base factory
216
 
        self.assertEqual("someuser",
217
 
                         factory.get_username('Hello %(host)s', host='some'))
218
 
        self.assertEquals("Hello some: ", factory.stderr.getvalue())
219
 
        self.assertEquals('', factory.stdout.getvalue())
220
 
        self.assertEqual("", factory.get_username("Gebruiker"))
 
233
        output = factory.stdout.getvalue()
 
234
        self.assertEqual("foo: .\n"
 
235
                         "what do you want? [y/n]: what do you want? [y/n]: ",
 
236
                         factory.stdout.getvalue())
221
237
        # stdin should be empty
222
238
        self.assertEqual('', factory.stdin.readline())
223
239
 
224
 
    def test_text_ui_getusername_utf8(self):
225
 
        ui = tests.TestUIFactory(stdin=u'someuser\u1234'.encode('utf8'),
226
 
                                 stdout=tests.StringIOWrapper(),
227
 
                                 stderr=tests.StringIOWrapper())
228
 
        ui.stderr.encoding = ui.stdout.encoding = ui.stdin.encoding = "utf8"
229
 
        pb = ui.nested_progress_bar()
230
 
        try:
231
 
            # there is no output from the base factory
232
 
            username = self.apply_redirected(ui.stdin, ui.stdout, ui.stderr,
233
 
                ui.get_username, u'Hello\u1234 %(host)s', host=u'some\u1234')
234
 
            self.assertEquals(u"someuser\u1234", username.decode('utf8'))
235
 
            self.assertEquals(u"Hello\u1234 some\u1234: ",
236
 
                              ui.stderr.getvalue().decode("utf8"))
237
 
            self.assertEquals('', ui.stdout.getvalue())
238
 
        finally:
239
 
            pb.finished()
240
 
 
241
 
    def test_quietness(self):
242
 
        os.environ['BZR_PROGRESS_BAR'] = 'text'
243
 
        ui_factory = _mod_ui_text.TextUIFactory(None,
244
 
            test_progress._TTYStringIO(),
245
 
            test_progress._TTYStringIO())
246
 
        self.assertIsInstance(ui_factory._progress_view,
247
 
            _mod_ui_text.TextProgressView)
248
 
        ui_factory.be_quiet(True)
249
 
        self.assertIsInstance(ui_factory._progress_view,
250
 
            _mod_ui_text.NullProgressView)
251
 
 
252
 
    def test_text_ui_show_user_warning(self):
253
 
        from bzrlib.repofmt.groupcompress_repo import RepositoryFormat2a
254
 
        from bzrlib.repofmt.pack_repo import RepositoryFormatKnitPack5
255
 
        err = StringIO()
256
 
        out = StringIO()
257
 
        ui = tests.TextUIFactory(stdin=None, stdout=out, stderr=err)
258
 
        remote_fmt = remote.RemoteRepositoryFormat()
259
 
        remote_fmt._network_name = RepositoryFormatKnitPack5().network_name()
260
 
        ui.show_user_warning('cross_format_fetch', from_format=RepositoryFormat2a(),
261
 
            to_format=remote_fmt)
262
 
        self.assertEquals('', out.getvalue())
263
 
        self.assertEquals("Doing on-the-fly conversion from RepositoryFormat2a() to "
264
 
            "RemoteRepositoryFormat(_network_name='Bazaar RepositoryFormatKnitPack5 "
265
 
            "(bzr 1.6)\\n').\nThis may take some time. Upgrade the repositories to "
266
 
            "the same format for better performance.\n",
267
 
            err.getvalue())
268
 
        # and now with it suppressed please
269
 
        err = StringIO()
270
 
        out = StringIO()
271
 
        ui = tests.TextUIFactory(stdin=None, stdout=out, stderr=err)
272
 
        ui.suppressed_warnings.add('cross_format_fetch')
273
 
        ui.show_user_warning('cross_format_fetch', from_format=RepositoryFormat2a(),
274
 
            to_format=remote_fmt)
275
 
        self.assertEquals('', out.getvalue())
276
 
        self.assertEquals('', err.getvalue())
277
 
 
278
 
 
279
 
class TestTextUIOutputStream(tests.TestCase):
280
 
    """Tests for output stream that synchronizes with progress bar."""
281
 
 
282
 
    def test_output_clears_terminal(self):
283
 
        stdout = tests.StringIOWrapper()
284
 
        stderr = tests.StringIOWrapper()
285
 
        clear_calls = []
286
 
 
287
 
        uif =  _mod_ui_text.TextUIFactory(None, stdout, stderr)
288
 
        uif.clear_term = lambda: clear_calls.append('clear')
289
 
 
290
 
        stream = _mod_ui_text.TextUIOutputStream(uif, uif.stdout)
291
 
        stream.write("Hello world!\n")
292
 
        stream.write("there's more...\n")
293
 
        stream.writelines(["1\n", "2\n", "3\n"])
294
 
 
295
 
        self.assertEqual(stdout.getvalue(),
296
 
            "Hello world!\n"
297
 
            "there's more...\n"
298
 
            "1\n2\n3\n")
299
 
        self.assertEqual(['clear', 'clear', 'clear'],
300
 
            clear_calls)
301
 
 
302
 
        stream.flush()
303
 
 
304
 
 
305
 
class UITests(tests.TestCase):
306
 
 
307
 
    def test_progress_construction(self):
308
 
        """TextUIFactory constructs the right progress view.
309
 
        """
310
 
        TTYStringIO = test_progress._TTYStringIO
311
 
        FileStringIO = tests.StringIOWrapper
312
 
        for (file_class, term, pb, expected_pb_class) in (
313
 
            # on an xterm, either use them or not as the user requests,
314
 
            # otherwise default on
315
 
            (TTYStringIO, 'xterm', 'none', _mod_ui_text.NullProgressView),
316
 
            (TTYStringIO, 'xterm', 'text', _mod_ui_text.TextProgressView),
317
 
            (TTYStringIO, 'xterm', None, _mod_ui_text.TextProgressView),
318
 
            # on a dumb terminal, again if there's explicit configuration do
319
 
            # it, otherwise default off
320
 
            (TTYStringIO, 'dumb', 'none', _mod_ui_text.NullProgressView),
321
 
            (TTYStringIO, 'dumb', 'text', _mod_ui_text.TextProgressView),
322
 
            (TTYStringIO, 'dumb', None, _mod_ui_text.NullProgressView),
323
 
            # on a non-tty terminal, it's null regardless of $TERM
324
 
            (FileStringIO, 'xterm', None, _mod_ui_text.NullProgressView),
325
 
            (FileStringIO, 'dumb', None, _mod_ui_text.NullProgressView),
326
 
            # however, it can still be forced on
327
 
            (FileStringIO, 'dumb', 'text', _mod_ui_text.TextProgressView),
328
 
            ):
329
 
            os.environ['TERM'] = term
330
 
            if pb is None:
331
 
                if 'BZR_PROGRESS_BAR' in os.environ:
332
 
                    del os.environ['BZR_PROGRESS_BAR']
333
 
            else:
334
 
                os.environ['BZR_PROGRESS_BAR'] = pb
335
 
            stdin = file_class('')
336
 
            stderr = file_class()
337
 
            stdout = file_class()
338
 
            uif = _mod_ui.make_ui_for_terminal(stdin, stdout, stderr)
339
 
            self.assertIsInstance(uif, _mod_ui_text.TextUIFactory,
340
 
                "TERM=%s BZR_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
341
 
            self.assertIsInstance(uif.make_progress_view(),
342
 
                expected_pb_class,
343
 
                "TERM=%s BZR_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
344
 
 
345
 
    def test_text_ui_non_terminal(self):
346
 
        """Even on non-ttys, make_ui_for_terminal gives a text ui."""
347
 
        stdin = test_progress._NonTTYStringIO('')
348
 
        stderr = test_progress._NonTTYStringIO()
349
 
        stdout = test_progress._NonTTYStringIO()
350
 
        for term_type in ['dumb', None, 'xterm']:
351
 
            if term_type is None:
352
 
                del os.environ['TERM']
353
 
            else:
354
 
                os.environ['TERM'] = term_type
355
 
            uif = _mod_ui.make_ui_for_terminal(stdin, stdout, stderr)
356
 
            self.assertIsInstance(uif, _mod_ui_text.TextUIFactory,
357
 
                'TERM=%r' % (term_type,))
358
 
 
359
 
 
360
 
class SilentUITests(tests.TestCase):
361
 
 
362
 
    def test_silent_factory_get_password(self):
363
 
        # A silent factory that can't do user interaction can't get a
364
 
        # password.  Possibly it should raise a more specific error but it
365
 
        # can't succeed.
366
 
        ui = _mod_ui.SilentUIFactory()
367
 
        stdout = tests.StringIOWrapper()
368
 
        self.assertRaises(
369
 
            NotImplementedError,
370
 
            self.apply_redirected,
371
 
            None, stdout, stdout, ui.get_password)
372
 
        # and it didn't write anything out either
373
 
        self.assertEqual('', stdout.getvalue())
374
 
 
375
 
    def test_silent_ui_getbool(self):
376
 
        factory = _mod_ui.SilentUIFactory()
377
 
        stdout = tests.StringIOWrapper()
378
 
        self.assertRaises(
379
 
            NotImplementedError,
380
 
            self.apply_redirected,
381
 
            None, stdout, stdout, factory.get_boolean, "foo")
382
 
 
383
 
 
384
 
class TestUIFactoryTests(tests.TestCase):
385
 
 
386
 
    def test_test_ui_factory_progress(self):
387
 
        # there's no output; we just want to make sure this doesn't crash -
388
 
        # see https://bugs.edge.launchpad.net/bzr/+bug/408201
389
 
        ui = tests.TestUIFactory()
390
 
        pb = ui.nested_progress_bar()
391
 
        pb.update('hello')
392
 
        pb.tick()
393
 
        pb.finished()
394
 
 
395
 
 
396
 
class CannedInputUIFactoryTests(tests.TestCase):
397
 
 
398
 
    def test_canned_input_get_input(self):
399
 
        uif = _mod_ui.CannedInputUIFactory([True, 'mbp', 'password', 42])
400
 
        self.assertEqual(True, uif.get_boolean('Extra cheese?'))
401
 
        self.assertEqual('mbp', uif.get_username('Enter your user name'))
402
 
        self.assertEqual('password',
403
 
                         uif.get_password('Password for %(host)s',
404
 
                                          host='example.com'))
405
 
        self.assertEqual(42, uif.get_integer('And all that jazz ?'))
406
 
 
407
 
 
408
 
class TestBoolFromString(tests.TestCase):
409
 
 
410
 
    def assertIsTrue(self, s, accepted_values=None):
411
 
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
412
 
        self.assertEquals(True, res)
413
 
 
414
 
    def assertIsFalse(self, s, accepted_values=None):
415
 
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
416
 
        self.assertEquals(False, res)
417
 
 
418
 
    def assertIsNone(self, s, accepted_values=None):
419
 
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
420
 
        self.assertIs(None, res)
421
 
 
422
 
    def test_know_valid_values(self):
423
 
        self.assertIsTrue('true')
424
 
        self.assertIsFalse('false')
425
 
        self.assertIsTrue('1')
426
 
        self.assertIsFalse('0')
427
 
        self.assertIsTrue('on')
428
 
        self.assertIsFalse('off')
429
 
        self.assertIsTrue('yes')
430
 
        self.assertIsFalse('no')
431
 
        self.assertIsTrue('y')
432
 
        self.assertIsFalse('n')
433
 
        # Also try some case variations
434
 
        self.assertIsTrue('True')
435
 
        self.assertIsFalse('False')
436
 
        self.assertIsTrue('On')
437
 
        self.assertIsFalse('Off')
438
 
        self.assertIsTrue('ON')
439
 
        self.assertIsFalse('OFF')
440
 
        self.assertIsTrue('oN')
441
 
        self.assertIsFalse('oFf')
442
 
 
443
 
    def test_invalid_values(self):
444
 
        self.assertIsNone(None)
445
 
        self.assertIsNone('doubt')
446
 
        self.assertIsNone('frue')
447
 
        self.assertIsNone('talse')
448
 
        self.assertIsNone('42')
449
 
 
450
 
    def test_provided_values(self):
451
 
        av = dict(y=True, n=False, yes=True, no=False)
452
 
        self.assertIsTrue('y', av)
453
 
        self.assertIsTrue('Y', av)
454
 
        self.assertIsTrue('Yes', av)
455
 
        self.assertIsFalse('n', av)
456
 
        self.assertIsFalse('N', av)
457
 
        self.assertIsFalse('No', av)
458
 
        self.assertIsNone('1', av)
459
 
        self.assertIsNone('0', av)
460
 
        self.assertIsNone('on', av)
461
 
        self.assertIsNone('off', av)