~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_ui.py

  • Committer: John Arbash Meinel
  • Date: 2005-09-15 21:35:53 UTC
  • mfrom: (907.1.57)
  • mto: (1393.2.1)
  • mto: This revision was merged to the branch mainline in revision 1396.
  • Revision ID: john@arbash-meinel.com-20050915213552-a6c83a5ef1e20897
(broken) Transport work is merged in. Tests do not pass yet.

Show diffs side-by-side

added added

removed removed

Lines of Context:
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 bzrlib import (
25
 
    errors,
26
 
    tests,
27
 
    ui as _mod_ui,
28
 
    )
29
 
from bzrlib.symbol_versioning import (
30
 
    deprecated_in,
31
 
    )
32
 
from bzrlib.tests import test_progress
33
 
from bzrlib.ui import text as _mod_ui_text
34
 
 
35
 
 
36
 
class TestTextUIFactory(tests.TestCase):
37
 
 
38
 
    def test_text_factory_ascii_password(self):
39
 
        ui = tests.TestUIFactory(stdin='secret\n',
40
 
                                 stdout=tests.StringIOWrapper(),
41
 
                                 stderr=tests.StringIOWrapper())
42
 
        pb = ui.nested_progress_bar()
43
 
        try:
44
 
            self.assertEqual('secret',
45
 
                             self.apply_redirected(ui.stdin, ui.stdout,
46
 
                                                   ui.stderr,
47
 
                                                   ui.get_password))
48
 
            # ': ' is appended to prompt
49
 
            self.assertEqual(': ', ui.stderr.getvalue())
50
 
            self.assertEqual('', ui.stdout.readline())
51
 
            # stdin should be empty
52
 
            self.assertEqual('', ui.stdin.readline())
53
 
        finally:
54
 
            pb.finished()
55
 
 
56
 
    def test_text_factory_utf8_password(self):
57
 
        """Test an utf8 password.
58
 
 
59
 
        We can't predict what encoding users will have for stdin, so we force
60
 
        it to utf8 to test that we transport the password correctly.
61
 
        """
62
 
        ui = tests.TestUIFactory(stdin=u'baz\u1234'.encode('utf8'),
63
 
                                 stdout=tests.StringIOWrapper(),
64
 
                                 stderr=tests.StringIOWrapper())
65
 
        ui.stderr.encoding = ui.stdout.encoding = ui.stdin.encoding = 'utf8'
66
 
        pb = ui.nested_progress_bar()
67
 
        try:
68
 
            password = self.apply_redirected(ui.stdin, ui.stdout, ui.stderr,
69
 
                                             ui.get_password,
70
 
                                             u'Hello \u1234 %(user)s',
71
 
                                             user=u'some\u1234')
72
 
            # We use StringIO objects, we need to decode them
73
 
            self.assertEqual(u'baz\u1234', password.decode('utf8'))
74
 
            self.assertEqual(u'Hello \u1234 some\u1234: ',
75
 
                             ui.stderr.getvalue().decode('utf8'))
76
 
            # stdin and stdout should be empty
77
 
            self.assertEqual('', ui.stdin.readline())
78
 
            self.assertEqual('', ui.stdout.readline())
79
 
        finally:
80
 
            pb.finished()
81
 
 
82
 
    def test_progress_note(self):
83
 
        stderr = tests.StringIOWrapper()
84
 
        stdout = tests.StringIOWrapper()
85
 
        ui_factory = _mod_ui_text.TextUIFactory(stdin=tests.StringIOWrapper(''),
86
 
                                                stderr=stderr,
87
 
                                                stdout=stdout)
88
 
        pb = ui_factory.nested_progress_bar()
89
 
        try:
90
 
            result = self.applyDeprecated(deprecated_in((2, 1, 0)),
91
 
                pb.note,
92
 
                't')
93
 
            self.assertEqual(None, result)
94
 
            self.assertEqual("t\n", stdout.getvalue())
95
 
            # Since there was no update() call, there should be no clear() call
96
 
            self.failIf(re.search(r'^\r {10,}\r$',
97
 
                                  stderr.getvalue()) is not None,
98
 
                        'We cleared the stderr without anything to put there')
99
 
        finally:
100
 
            pb.finished()
101
 
 
102
 
    def test_progress_note_clears(self):
103
 
        stderr = test_progress._TTYStringIO()
104
 
        stdout = test_progress._TTYStringIO()
105
 
        # so that we get a TextProgressBar
106
 
        os.environ['TERM'] = 'xterm'
107
 
        ui_factory = _mod_ui_text.TextUIFactory(
108
 
            stdin=tests.StringIOWrapper(''),
109
 
            stdout=stdout, stderr=stderr)
110
 
        self.assertIsInstance(ui_factory._progress_view,
111
 
                              _mod_ui_text.TextProgressView)
112
 
        pb = ui_factory.nested_progress_bar()
113
 
        try:
114
 
            # Create a progress update that isn't throttled
115
 
            pb.update('x', 1, 1)
116
 
            result = self.applyDeprecated(deprecated_in((2, 1, 0)),
117
 
                pb.note, 't')
118
 
            self.assertEqual(None, result)
119
 
            self.assertEqual("t\n", stdout.getvalue())
120
 
            # the exact contents will depend on the terminal width and we don't
121
 
            # care about that right now - but you're probably running it on at
122
 
            # least a 10-character wide terminal :)
123
 
            self.assertContainsRe(stderr.getvalue(), r'\r {10,}\r$')
124
 
        finally:
125
 
            pb.finished()
126
 
 
127
 
    def test_progress_nested(self):
128
 
        # test factory based nested and popping.
129
 
        ui = _mod_ui_text.TextUIFactory(None, None, None)
130
 
        pb1 = ui.nested_progress_bar()
131
 
        pb2 = ui.nested_progress_bar()
132
 
        # You do get a warning if the outermost progress bar wasn't finished
133
 
        # first - it's not clear if this is really useful or if it should just
134
 
        # become orphaned -- mbp 20090120
135
 
        warnings, _ = self.callCatchWarnings(pb1.finished)
136
 
        if len(warnings) != 1:
137
 
            self.fail("unexpected warnings: %r" % (warnings,))
138
 
        pb2.finished()
139
 
        pb1.finished()
140
 
 
141
 
    def test_text_ui_get_boolean(self):
142
 
        stdin = tests.StringIOWrapper("y\n" # True
143
 
                                      "n\n" # False
144
 
                                      "yes with garbage\nY\n" # True
145
 
                                      "not an answer\nno\n" # False
146
 
                                      "I'm sure!\nyes\n" # True
147
 
                                      "NO\n" # False
148
 
                                      "foo\n")
149
 
        stdout = tests.StringIOWrapper()
150
 
        stderr = tests.StringIOWrapper()
151
 
        factory = _mod_ui_text.TextUIFactory(stdin, stdout, stderr)
152
 
        self.assertEqual(True, factory.get_boolean(""))
153
 
        self.assertEqual(False, factory.get_boolean(""))
154
 
        self.assertEqual(True, factory.get_boolean(""))
155
 
        self.assertEqual(False, factory.get_boolean(""))
156
 
        self.assertEqual(True, factory.get_boolean(""))
157
 
        self.assertEqual(False, factory.get_boolean(""))
158
 
        self.assertEqual("foo\n", factory.stdin.read())
159
 
        # stdin should be empty
160
 
        self.assertEqual('', factory.stdin.readline())
161
 
 
162
 
    def test_text_ui_get_integer(self):
163
 
        stdin = tests.StringIOWrapper(
164
 
            "1\n"
165
 
            "  -2  \n"
166
 
            "hmmm\nwhat else ?\nCome on\nok 42\n4.24\n42\n")
167
 
        stdout = tests.StringIOWrapper()
168
 
        stderr = tests.StringIOWrapper()
169
 
        factory = _mod_ui_text.TextUIFactory(stdin, stdout, stderr)
170
 
        self.assertEqual(1, factory.get_integer(""))
171
 
        self.assertEqual(-2, factory.get_integer(""))
172
 
        self.assertEqual(42, factory.get_integer(""))
173
 
 
174
 
    def test_text_factory_prompt(self):
175
 
        # see <https://launchpad.net/bugs/365891>
176
 
        StringIO = tests.StringIOWrapper
177
 
        factory = _mod_ui_text.TextUIFactory(StringIO(), StringIO(), StringIO())
178
 
        factory.prompt('foo %2e')
179
 
        self.assertEqual('', factory.stdout.getvalue())
180
 
        self.assertEqual('foo %2e', factory.stderr.getvalue())
181
 
 
182
 
    def test_text_factory_prompts_and_clears(self):
183
 
        # a get_boolean call should clear the pb before prompting
184
 
        out = test_progress._TTYStringIO()
185
 
        os.environ['TERM'] = 'xterm'
186
 
        factory = _mod_ui_text.TextUIFactory(
187
 
            stdin=tests.StringIOWrapper("yada\ny\n"),
188
 
            stdout=out, stderr=out)
189
 
        pb = factory.nested_progress_bar()
190
 
        pb.show_bar = False
191
 
        pb.show_spinner = False
192
 
        pb.show_count = False
193
 
        pb.update("foo", 0, 1)
194
 
        self.assertEqual(True,
195
 
                         self.apply_redirected(None, factory.stdout,
196
 
                                               factory.stdout,
197
 
                                               factory.get_boolean,
198
 
                                               "what do you want"))
199
 
        output = out.getvalue()
200
 
        self.assertContainsRe(factory.stdout.getvalue(),
201
 
            "foo *\r\r  *\r*")
202
 
        self.assertContainsRe(factory.stdout.getvalue(),
203
 
            r"what do you want\? \[y/n\]: what do you want\? \[y/n\]: ")
204
 
        # stdin should have been totally consumed
205
 
        self.assertEqual('', factory.stdin.readline())
206
 
 
207
 
    def test_text_tick_after_update(self):
208
 
        ui_factory = _mod_ui_text.TextUIFactory(stdout=tests.StringIOWrapper(),
209
 
                                                stderr=tests.StringIOWrapper())
210
 
        pb = ui_factory.nested_progress_bar()
211
 
        try:
212
 
            pb.update('task', 0, 3)
213
 
            # Reset the clock, so that it actually tries to repaint itself
214
 
            ui_factory._progress_view._last_repaint = time.time() - 1.0
215
 
            pb.tick()
216
 
        finally:
217
 
            pb.finished()
218
 
 
219
 
    def test_text_ui_getusername(self):
220
 
        factory = _mod_ui_text.TextUIFactory(None, None, None)
221
 
        factory.stdin = tests.StringIOWrapper("someuser\n\n")
222
 
        factory.stdout = tests.StringIOWrapper()
223
 
        factory.stderr = tests.StringIOWrapper()
224
 
        factory.stdout.encoding = "utf8"
225
 
        # there is no output from the base factory
226
 
        self.assertEqual("someuser",
227
 
                         factory.get_username('Hello %(host)s', host='some'))
228
 
        self.assertEquals("Hello some: ", factory.stderr.getvalue())
229
 
        self.assertEquals('', factory.stdout.getvalue())
230
 
        self.assertEqual("", factory.get_username("Gebruiker"))
231
 
        # stdin should be empty
232
 
        self.assertEqual('', factory.stdin.readline())
233
 
 
234
 
    def test_text_ui_getusername_utf8(self):
235
 
        ui = tests.TestUIFactory(stdin=u'someuser\u1234'.encode('utf8'),
236
 
                                 stdout=tests.StringIOWrapper(),
237
 
                                 stderr=tests.StringIOWrapper())
238
 
        ui.stderr.encoding = ui.stdout.encoding = ui.stdin.encoding = "utf8"
239
 
        pb = ui.nested_progress_bar()
240
 
        try:
241
 
            # there is no output from the base factory
242
 
            username = self.apply_redirected(ui.stdin, ui.stdout, ui.stderr,
243
 
                ui.get_username, u'Hello\u1234 %(host)s', host=u'some\u1234')
244
 
            self.assertEquals(u"someuser\u1234", username.decode('utf8'))
245
 
            self.assertEquals(u"Hello\u1234 some\u1234: ",
246
 
                              ui.stderr.getvalue().decode("utf8"))
247
 
            self.assertEquals('', ui.stdout.getvalue())
248
 
        finally:
249
 
            pb.finished()
250
 
 
251
 
    def test_quietness(self):
252
 
        os.environ['BZR_PROGRESS_BAR'] = 'text'
253
 
        ui_factory = _mod_ui_text.TextUIFactory(None,
254
 
            test_progress._TTYStringIO(),
255
 
            test_progress._TTYStringIO())
256
 
        self.assertIsInstance(ui_factory._progress_view,
257
 
            _mod_ui_text.TextProgressView)
258
 
        ui_factory.be_quiet(True)
259
 
        self.assertIsInstance(ui_factory._progress_view,
260
 
            _mod_ui_text.NullProgressView)
261
 
 
262
 
 
263
 
class TestTextUIOutputStream(tests.TestCase):
264
 
    """Tests for output stream that synchronizes with progress bar."""
265
 
 
266
 
    def test_output_clears_terminal(self):
267
 
        stdout = tests.StringIOWrapper()
268
 
        stderr = tests.StringIOWrapper()
269
 
        clear_calls = []
270
 
 
271
 
        uif =  _mod_ui_text.TextUIFactory(None, stdout, stderr)
272
 
        uif.clear_term = lambda: clear_calls.append('clear')
273
 
 
274
 
        stream = _mod_ui_text.TextUIOutputStream(uif, uif.stdout)
275
 
        stream.write("Hello world!\n")
276
 
        stream.write("there's more...\n")
277
 
        stream.writelines(["1\n", "2\n", "3\n"])
278
 
 
279
 
        self.assertEqual(stdout.getvalue(),
280
 
            "Hello world!\n"
281
 
            "there's more...\n"
282
 
            "1\n2\n3\n")
283
 
        self.assertEqual(['clear', 'clear', 'clear'],
284
 
            clear_calls)
285
 
 
286
 
        stream.flush()
287
 
 
288
 
 
289
 
class UITests(tests.TestCase):
290
 
 
291
 
    def test_progress_construction(self):
292
 
        """TextUIFactory constructs the right progress view.
293
 
        """
294
 
        TTYStringIO = test_progress._TTYStringIO
295
 
        FileStringIO = tests.StringIOWrapper
296
 
        for (file_class, term, pb, expected_pb_class) in (
297
 
            # on an xterm, either use them or not as the user requests,
298
 
            # otherwise default on
299
 
            (TTYStringIO, 'xterm', 'none', _mod_ui_text.NullProgressView),
300
 
            (TTYStringIO, 'xterm', 'text', _mod_ui_text.TextProgressView),
301
 
            (TTYStringIO, 'xterm', None, _mod_ui_text.TextProgressView),
302
 
            # on a dumb terminal, again if there's explicit configuration do
303
 
            # it, otherwise default off
304
 
            (TTYStringIO, 'dumb', 'none', _mod_ui_text.NullProgressView),
305
 
            (TTYStringIO, 'dumb', 'text', _mod_ui_text.TextProgressView),
306
 
            (TTYStringIO, 'dumb', None, _mod_ui_text.NullProgressView),
307
 
            # on a non-tty terminal, it's null regardless of $TERM
308
 
            (FileStringIO, 'xterm', None, _mod_ui_text.NullProgressView),
309
 
            (FileStringIO, 'dumb', None, _mod_ui_text.NullProgressView),
310
 
            # however, it can still be forced on
311
 
            (FileStringIO, 'dumb', 'text', _mod_ui_text.TextProgressView),
312
 
            ):
313
 
            os.environ['TERM'] = term
314
 
            if pb is None:
315
 
                if 'BZR_PROGRESS_BAR' in os.environ:
316
 
                    del os.environ['BZR_PROGRESS_BAR']
317
 
            else:
318
 
                os.environ['BZR_PROGRESS_BAR'] = pb
319
 
            stdin = file_class('')
320
 
            stderr = file_class()
321
 
            stdout = file_class()
322
 
            uif = _mod_ui.make_ui_for_terminal(stdin, stdout, stderr)
323
 
            self.assertIsInstance(uif, _mod_ui_text.TextUIFactory,
324
 
                "TERM=%s BZR_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
325
 
            self.assertIsInstance(uif.make_progress_view(),
326
 
                expected_pb_class,
327
 
                "TERM=%s BZR_PROGRESS_BAR=%s uif=%r" % (term, pb, uif,))
328
 
 
329
 
    def test_text_ui_non_terminal(self):
330
 
        """Even on non-ttys, make_ui_for_terminal gives a text ui."""
331
 
        stdin = test_progress._NonTTYStringIO('')
332
 
        stderr = test_progress._NonTTYStringIO()
333
 
        stdout = test_progress._NonTTYStringIO()
334
 
        for term_type in ['dumb', None, 'xterm']:
335
 
            if term_type is None:
336
 
                del os.environ['TERM']
337
 
            else:
338
 
                os.environ['TERM'] = term_type
339
 
            uif = _mod_ui.make_ui_for_terminal(stdin, stdout, stderr)
340
 
            self.assertIsInstance(uif, _mod_ui_text.TextUIFactory,
341
 
                'TERM=%r' % (term_type,))
342
 
 
343
 
 
344
 
class SilentUITests(tests.TestCase):
345
 
 
346
 
    def test_silent_factory_get_password(self):
347
 
        # A silent factory that can't do user interaction can't get a
348
 
        # password.  Possibly it should raise a more specific error but it
349
 
        # can't succeed.
350
 
        ui = _mod_ui.SilentUIFactory()
351
 
        stdout = tests.StringIOWrapper()
352
 
        self.assertRaises(
353
 
            NotImplementedError,
354
 
            self.apply_redirected,
355
 
            None, stdout, stdout, ui.get_password)
356
 
        # and it didn't write anything out either
357
 
        self.assertEqual('', stdout.getvalue())
358
 
 
359
 
    def test_silent_ui_getbool(self):
360
 
        factory = _mod_ui.SilentUIFactory()
361
 
        stdout = tests.StringIOWrapper()
362
 
        self.assertRaises(
363
 
            NotImplementedError,
364
 
            self.apply_redirected,
365
 
            None, stdout, stdout, factory.get_boolean, "foo")
366
 
 
367
 
 
368
 
class TestUIFactoryTests(tests.TestCase):
369
 
 
370
 
    def test_test_ui_factory_progress(self):
371
 
        # there's no output; we just want to make sure this doesn't crash -
372
 
        # see https://bugs.edge.launchpad.net/bzr/+bug/408201
373
 
        ui = tests.TestUIFactory()
374
 
        pb = ui.nested_progress_bar()
375
 
        pb.update('hello')
376
 
        pb.tick()
377
 
        pb.finished()
378
 
 
379
 
 
380
 
class CannedInputUIFactoryTests(tests.TestCase):
381
 
 
382
 
    def test_canned_input_get_input(self):
383
 
        uif = _mod_ui.CannedInputUIFactory([True, 'mbp', 'password', 42])
384
 
        self.assertEqual(True, uif.get_boolean('Extra cheese?'))
385
 
        self.assertEqual('mbp', uif.get_username('Enter your user name'))
386
 
        self.assertEqual('password',
387
 
                         uif.get_password('Password for %(host)s',
388
 
                                          host='example.com'))
389
 
        self.assertEqual(42, uif.get_integer('And all that jazz ?'))
390
 
 
391
 
 
392
 
class TestBoolFromString(tests.TestCase):
393
 
 
394
 
    def assertIsTrue(self, s, accepted_values=None):
395
 
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
396
 
        self.assertEquals(True, res)
397
 
 
398
 
    def assertIsFalse(self, s, accepted_values=None):
399
 
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
400
 
        self.assertEquals(False, res)
401
 
 
402
 
    def assertIsNone(self, s, accepted_values=None):
403
 
        res = _mod_ui.bool_from_string(s, accepted_values=accepted_values)
404
 
        self.assertIs(None, res)
405
 
 
406
 
    def test_know_valid_values(self):
407
 
        self.assertIsTrue('true')
408
 
        self.assertIsFalse('false')
409
 
        self.assertIsTrue('1')
410
 
        self.assertIsFalse('0')
411
 
        self.assertIsTrue('on')
412
 
        self.assertIsFalse('off')
413
 
        self.assertIsTrue('yes')
414
 
        self.assertIsFalse('no')
415
 
        self.assertIsTrue('y')
416
 
        self.assertIsFalse('n')
417
 
        # Also try some case variations
418
 
        self.assertIsTrue('True')
419
 
        self.assertIsFalse('False')
420
 
        self.assertIsTrue('On')
421
 
        self.assertIsFalse('Off')
422
 
        self.assertIsTrue('ON')
423
 
        self.assertIsFalse('OFF')
424
 
        self.assertIsTrue('oN')
425
 
        self.assertIsFalse('oFf')
426
 
 
427
 
    def test_invalid_values(self):
428
 
        self.assertIsNone(None)
429
 
        self.assertIsNone('doubt')
430
 
        self.assertIsNone('frue')
431
 
        self.assertIsNone('talse')
432
 
        self.assertIsNone('42')
433
 
 
434
 
    def test_provided_values(self):
435
 
        av = dict(y=True, n=False, yes=True, no=False)
436
 
        self.assertIsTrue('y', av)
437
 
        self.assertIsTrue('Y', av)
438
 
        self.assertIsTrue('Yes', av)
439
 
        self.assertIsFalse('n', av)
440
 
        self.assertIsFalse('N', av)
441
 
        self.assertIsFalse('No', av)
442
 
        self.assertIsNone('1', av)
443
 
        self.assertIsNone('0', av)
444
 
        self.assertIsNone('on', av)
445
 
        self.assertIsNone('off', av)