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diff --git a/WebKitTools/Scripts/webkitpy/layout_tests/layout_package/metered_stream_unittest.py b/WebKitTools/Scripts/webkitpy/layout_tests/layout_package/metered_stream_unittest.py
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--- a/WebKitTools/Scripts/webkitpy/layout_tests/layout_package/metered_stream_unittest.py
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-#!/usr/bin/python
-# Copyright (C) 2010 Google Inc. All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-# * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-"""Unit tests for metered_stream.py."""
-
-import os
-import optparse
-import pdb
-import sys
-import unittest
-
-from webkitpy.common.array_stream import ArrayStream
-from webkitpy.layout_tests.layout_package import metered_stream
-
-
-class TestMeteredStream(unittest.TestCase):
- def test_regular(self):
- a = ArrayStream()
- m = metered_stream.MeteredStream(verbose=False, stream=a)
- self.assertTrue(a.empty())
-
- # basic test - note that the flush() is a no-op, but we include it
- # for coverage.
- m.write("foo")
- m.flush()
- exp = ['foo']
- self.assertEquals(a.get(), exp)
-
- # now check that a second write() does not overwrite the first.
- m.write("bar")
- exp.append('bar')
- self.assertEquals(a.get(), exp)
-
- m.update("batter")
- exp.append('batter')
- self.assertEquals(a.get(), exp)
-
- # The next update() should overwrite the laste update() but not the
- # other text. Note that the cursor is effectively positioned at the
- # end of 'foo', even though we had to erase three more characters.
- m.update("foo")
- exp.append('\b\b\b\b\b\b \b\b\b\b\b\b')
- exp.append('foo')
- self.assertEquals(a.get(), exp)
-
- m.progress("progress")
- exp.append('\b\b\b \b\b\b')
- exp.append('progress')
- self.assertEquals(a.get(), exp)
-
- # now check that a write() does overwrite the progress bar
- m.write("foo")
- exp.append('\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b')
- exp.append('foo')
- self.assertEquals(a.get(), exp)
-
- # Now test that we only back up to the most recent newline.
-
- # Note also that we do not back up to erase the most recent write(),
- # i.e., write()s do not get erased.
- a.reset()
- m.update("foo\nbar")
- m.update("baz")
- self.assertEquals(a.get(), ['foo\nbar', '\b\b\b \b\b\b', 'baz'])
-
- def test_verbose(self):
- a = ArrayStream()
- m = metered_stream.MeteredStream(verbose=True, stream=a)
- self.assertTrue(a.empty())
- m.write("foo")
- self.assertEquals(a.get(), ['foo'])
-
- import logging
- b = ArrayStream()
- logger = logging.getLogger()
- handler = logging.StreamHandler(b)
- logger.addHandler(handler)
- m.update("bar")
- logger.handlers.remove(handler)
- self.assertEquals(a.get(), ['foo'])
- self.assertEquals(b.get(), ['bar\n'])
-
- m.progress("dropped")
- self.assertEquals(a.get(), ['foo'])
- self.assertEquals(b.get(), ['bar\n'])
-
-
-if __name__ == '__main__':
- unittest.main()