60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
# Copyright 2013 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import sys
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import StringIO
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import testtools
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from glanceclient.common import progressbar
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from tests import utils as test_utils
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class TestProgressBarWrapper(testtools.TestCase):
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def test_iter_iterator_display_progress_bar(self):
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size = 100
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iterator = iter('X' * 100)
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saved_stdout = sys.stdout
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try:
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sys.stdout = output = test_utils.FakeTTYStdout()
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# Consume iterator.
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data = list(progressbar.VerboseIteratorWrapper(iterator, size))
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self.assertEqual(data, ['X'] * 100)
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self.assertEqual(
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output.getvalue().strip(),
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'[%s>] 100%%' % ('=' * 29)
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)
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finally:
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sys.stdout = saved_stdout
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def test_iter_file_display_progress_bar(self):
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size = 98304
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file_obj = StringIO.StringIO('X' * size)
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saved_stdout = sys.stdout
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try:
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sys.stdout = output = test_utils.FakeTTYStdout()
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file_obj = progressbar.VerboseFileWrapper(file_obj, size)
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chunksize = 1024
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chunk = file_obj.read(chunksize)
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while chunk:
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chunk = file_obj.read(chunksize)
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self.assertEqual(
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output.getvalue().strip(),
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'[%s>] 100%%' % ('=' * 29)
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)
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finally:
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sys.stdout = saved_stdout
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