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Viewing changes to bzrlib/tests/test_progress.py

  • Committer: Robey Pointer
  • Date: 2006-07-01 19:03:33 UTC
  • mfrom: (1829 +trunk)
  • mto: This revision was merged to the branch mainline in revision 1830.
  • Revision ID: robey@lag.net-20060701190333-f58465aec4bd3412
merge from bzr.dev

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bzrlib/tests/test_progress.py
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from StringIO import StringIO
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from bzrlib.progress import *
 
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from bzrlib.progress import (
 
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        DummyProgress, ChildProgress,
 
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        TTYProgressBar,
 
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        DotsProgressBar,
 
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        ProgressBarStack,
 
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        )
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from bzrlib.tests import TestCase
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class FakeStack:
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    def top(self):
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        return self.__top
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class InstrumentedProgress(TTYProgressBar):
 
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    """TTYProgress variant that tracks outcomes"""
 
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    def __init__(self, *args, **kwargs):
 
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        self.always_throttled = True
 
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        TTYProgressBar.__init__(self, *args, **kwargs)
 
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    def throttle(self, old_message):
 
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        result = TTYProgressBar.throttle(self, old_message)
 
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        if result is False:
 
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            self.always_throttled = False
 
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class TestProgress(TestCase):
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    def setUp(self):
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        q = DummyProgress()
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                child.finished()
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        finally:
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            parent.finished()
 
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    def test_throttling(self):
 
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        pb = InstrumentedProgress(to_file=StringIO())
 
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        # instantaneous updates should be squelched
 
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        pb.update('me', 1, 1)
 
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        self.assertTrue(pb.always_throttled)
 
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        pb = InstrumentedProgress(to_file=StringIO())
 
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        # It's like an instant sleep(1)!
 
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        pb.start_time -= 1
 
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        # Updates after a second should not be squelched
 
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        pb.update('me', 1, 1)
 
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        self.assertFalse(pb.always_throttled)