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# Copyright (C) 2005 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Tests for the bzrlib ui
"""
import os
from StringIO import StringIO
import re
import sys
import bzrlib
import bzrlib.errors as errors
from bzrlib.progress import (
DotsProgressBar,
ProgressBarStack,
TTYProgressBar,
)
from bzrlib.tests import (
TestCase,
TestUIFactory,
StringIOWrapper,
)
from bzrlib.tests.test_progress import _TTYStringIO
from bzrlib.ui import (
CLIUIFactory,
SilentUIFactory,
)
from bzrlib.ui.text import TextUIFactory
class UITests(TestCase):
def test_silent_factory(self):
ui = SilentUIFactory()
stdout = StringIO()
self.assertEqual(None,
self.apply_redirected(None, stdout, stdout,
ui.get_password))
self.assertEqual('', stdout.getvalue())
self.assertEqual(None,
self.apply_redirected(None, stdout, stdout,
ui.get_password,
u'Hello\u1234 %(user)s',
user=u'some\u1234'))
self.assertEqual('', stdout.getvalue())
def test_text_factory_ascii_password(self):
ui = TestUIFactory(stdin='secret\n', stdout=StringIOWrapper())
pb = ui.nested_progress_bar()
try:
self.assertEqual('secret',
self.apply_redirected(ui.stdin, ui.stdout,
ui.stdout,
ui.get_password))
# ': ' is appended to prompt
self.assertEqual(': ', ui.stdout.getvalue())
# stdin should be empty
self.assertEqual('', ui.stdin.readline())
finally:
pb.finished()
def test_text_factory_utf8_password(self):
"""Test an utf8 password.
We can't predict what encoding users will have for stdin, so we force
it to utf8 to test that we transport the password correctly.
"""
ui = TestUIFactory(stdin=u'baz\u1234'.encode('utf8'),
stdout=StringIOWrapper())
ui.stdin.encoding = 'utf8'
ui.stdout.encoding = ui.stdin.encoding
pb = ui.nested_progress_bar()
try:
password = self.apply_redirected(ui.stdin, ui.stdout, ui.stdout,
ui.get_password,
u'Hello \u1234 %(user)s',
user=u'some\u1234')
# We use StringIO objects, we need to decode them
self.assertEqual(u'baz\u1234', password.decode('utf8'))
self.assertEqual(u'Hello \u1234 some\u1234: ',
ui.stdout.getvalue().decode('utf8'))
# stdin should be empty
self.assertEqual('', ui.stdin.readline())
finally:
pb.finished()
def test_progress_note(self):
stderr = StringIO()
stdout = StringIO()
ui_factory = TextUIFactory(bar_type=TTYProgressBar)
pb = ui_factory.nested_progress_bar()
try:
pb.to_messages_file = stdout
ui_factory._progress_bar_stack.bottom().to_file = stderr
result = pb.note('t')
self.assertEqual(None, result)
self.assertEqual("t\n", stdout.getvalue())
# Since there was no update() call, there should be no clear() call
self.failIf(re.search(r'^\r {10,}\r$',
stderr.getvalue()) is not None,
'We cleared the stderr without anything to put there')
finally:
pb.finished()
def test_progress_note_clears(self):
stderr = StringIO()
stdout = StringIO()
# The PQM redirects the output to a file, so it
# defaults to creating a Dots progress bar. we
# need to force it to believe we are a TTY
ui_factory = TextUIFactory(bar_type=TTYProgressBar)
pb = ui_factory.nested_progress_bar()
try:
pb.to_messages_file = stdout
ui_factory._progress_bar_stack.bottom().to_file = stderr
# Create a progress update that isn't throttled
pb.start_time -= 10
pb.update('x', 1, 1)
result = pb.note('t')
self.assertEqual(None, result)
self.assertEqual("t\n", stdout.getvalue())
# the exact contents will depend on the terminal width and we don't
# care about that right now - but you're probably running it on at
# least a 10-character wide terminal :)
self.assertContainsRe(stderr.getvalue(), r'\r {10,}\r$')
finally:
pb.finished()
def test_progress_nested(self):
# test factory based nested and popping.
ui = TextUIFactory()
pb1 = ui.nested_progress_bar()
pb2 = ui.nested_progress_bar()
self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
pb2.finished()
pb1.finished()
def test_progress_stack(self):
# test the progress bar stack which the default text factory
# uses.
stderr = StringIO()
stdout = StringIO()
# make a stack, which accepts parameters like a pb.
stack = ProgressBarStack(to_file=stderr, to_messages_file=stdout)
# but is not one
self.assertFalse(getattr(stack, 'note', False))
pb1 = stack.get_nested()
pb2 = stack.get_nested()
self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
pb2.finished()
pb1.finished()
# the text ui factory never actually removes the stack once its setup.
# we need to be able to nest again correctly from here.
pb1 = stack.get_nested()
pb2 = stack.get_nested()
self.assertRaises(errors.MissingProgressBarFinish, pb1.finished)
pb2.finished()
pb1.finished()
def test_text_factory_setting_progress_bar(self):
# we should be able to choose the progress bar type used.
factory = TextUIFactory(bar_type=DotsProgressBar)
bar = factory.nested_progress_bar()
bar.finished()
self.assertIsInstance(bar, DotsProgressBar)
def test_cli_stdin_is_default_stdin(self):
factory = CLIUIFactory()
self.assertEqual(sys.stdin, factory.stdin)
def assert_get_bool_acceptance_of_user_input(self, factory):
factory.stdin = StringIO("y\nyes with garbage\n"
"yes\nn\nnot an answer\n"
"no\nfoo\n")
factory.stdout = StringIO()
# there is no output from the base factory
self.assertEqual(True, factory.get_boolean(""))
self.assertEqual(True, factory.get_boolean(""))
self.assertEqual(False, factory.get_boolean(""))
self.assertEqual(False, factory.get_boolean(""))
self.assertEqual("foo\n", factory.stdin.read())
# stdin should be empty
self.assertEqual('', factory.stdin.readline())
def test_silent_ui_getbool(self):
factory = SilentUIFactory()
self.assert_get_bool_acceptance_of_user_input(factory)
def test_silent_factory_prompts_silently(self):
factory = SilentUIFactory()
stdout = StringIO()
factory.stdin = StringIO("y\n")
self.assertEqual(True,
self.apply_redirected(None, stdout, stdout,
factory.get_boolean, "foo"))
self.assertEqual("", stdout.getvalue())
# stdin should be empty
self.assertEqual('', factory.stdin.readline())
def test_text_ui_getbool(self):
factory = TextUIFactory()
self.assert_get_bool_acceptance_of_user_input(factory)
def test_text_factory_prompts_and_clears(self):
# a get_boolean call should clear the pb before prompting
factory = TextUIFactory(bar_type=DotsProgressBar)
factory.stdout = _TTYStringIO()
factory.stdin = StringIO("yada\ny\n")
pb = self.apply_redirected(factory.stdin, factory.stdout,
factory.stdout, factory.nested_progress_bar)
pb.start_time = None
self.apply_redirected(factory.stdin, factory.stdout,
factory.stdout, pb.update, "foo", 0, 1)
self.assertEqual(True,
self.apply_redirected(None, factory.stdout,
factory.stdout,
factory.get_boolean,
"what do you want"))
output = factory.stdout.getvalue()
self.assertEqual("foo: .\n"
"what do you want? [y/n]: what do you want? [y/n]: ",
factory.stdout.getvalue())
# stdin should be empty
self.assertEqual('', factory.stdin.readline())
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