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94 lines
3.9 KiB
Python
94 lines
3.9 KiB
Python
# Copyright (c) 2010 Google Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import unittest
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from urllib2 import HTTPError
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from webkitpy.common.net.networktransaction import NetworkTransaction, NetworkTimeout
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from webkitpy.common.system.logtesting import LoggingTestCase
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class NetworkTransactionTest(LoggingTestCase):
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exception = Exception("Test exception")
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def test_success(self):
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transaction = NetworkTransaction()
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self.assertEqual(transaction.run(lambda: 42), 42)
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def _raise_exception(self):
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raise self.exception
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def test_exception(self):
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transaction = NetworkTransaction()
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did_process_exception = False
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did_throw_exception = True
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try:
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transaction.run(lambda: self._raise_exception())
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did_throw_exception = False
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except Exception, e:
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did_process_exception = True
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self.assertEqual(e, self.exception)
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self.assertTrue(did_throw_exception)
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self.assertTrue(did_process_exception)
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def _raise_500_error(self):
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self._run_count += 1
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if self._run_count < 3:
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raise HTTPError("http://example.com/", 500, "internal server error", None, None)
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return 42
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def _raise_404_error(self):
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raise HTTPError("http://foo.com/", 404, "not found", None, None)
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def test_retry(self):
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self._run_count = 0
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transaction = NetworkTransaction(initial_backoff_seconds=0)
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self.assertEqual(transaction.run(lambda: self._raise_500_error()), 42)
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self.assertEqual(self._run_count, 3)
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self.assertLog(['WARNING: Received HTTP status 500 loading "http://example.com/". '
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'Retrying in 0 seconds...\n',
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'WARNING: Received HTTP status 500 loading "http://example.com/". '
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'Retrying in 0.0 seconds...\n'])
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def test_convert_404_to_None(self):
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transaction = NetworkTransaction(convert_404_to_None=True)
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self.assertEqual(transaction.run(lambda: self._raise_404_error()), None)
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def test_timeout(self):
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self._run_count = 0
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transaction = NetworkTransaction(initial_backoff_seconds=60*60, timeout_seconds=60)
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did_process_exception = False
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did_throw_exception = True
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try:
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transaction.run(lambda: self._raise_500_error())
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did_throw_exception = False
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except NetworkTimeout, e:
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did_process_exception = True
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self.assertTrue(did_throw_exception)
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self.assertTrue(did_process_exception)
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