| # 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. |
| |
| from urllib2 import HTTPError |
| from blinkpy.common.net.network_transaction import NetworkTransaction, NetworkTimeout |
| from blinkpy.common.system.log_testing import LoggingTestCase |
| |
| |
| class NetworkTransactionTest(LoggingTestCase): |
| exception = Exception('Test exception') |
| |
| def setUp(self): |
| super(NetworkTransactionTest, self).setUp() |
| self._run_count = 0 |
| |
| def test_success(self): |
| transaction = NetworkTransaction() |
| self.assertEqual(transaction.run(lambda: 42), 42) |
| |
| def _raise_exception(self): |
| raise self.exception |
| |
| def test_exception(self): |
| transaction = NetworkTransaction() |
| did_process_exception = False |
| did_throw_exception = True |
| try: |
| transaction.run(self._raise_exception) |
| did_throw_exception = False |
| except Exception as error: # pylint: disable=broad-except |
| did_process_exception = True |
| self.assertEqual(error, self.exception) |
| self.assertTrue(did_throw_exception) |
| self.assertTrue(did_process_exception) |
| |
| def _raise_500_error(self): |
| self._run_count += 1 |
| if self._run_count < 3: |
| raise HTTPError('http://example.com/', 500, |
| 'internal server error', None, None) |
| return 42 |
| |
| def _raise_404_error(self): |
| raise HTTPError('http://foo.com/', 404, 'not found', None, None) |
| |
| def test_retry(self): |
| transaction = NetworkTransaction(initial_backoff_seconds=0) |
| self.assertEqual(transaction.run(self._raise_500_error), 42) |
| self.assertEqual(self._run_count, 3) |
| self.assertLog([ |
| 'WARNING: Received HTTP status 500 loading "http://example.com/". ' |
| 'Retrying in 0 seconds...\n', |
| 'WARNING: Received HTTP status 500 loading "http://example.com/". ' |
| 'Retrying in 0.0 seconds...\n' |
| ]) |
| |
| def test_convert_404_to_none(self): |
| transaction = NetworkTransaction(return_none_on_404=True) |
| self.assertIsNone(transaction.run(self._raise_404_error)) |
| |
| def test_timeout(self): |
| transaction = NetworkTransaction( |
| initial_backoff_seconds=60 * 60, timeout_seconds=60) |
| did_process_exception = False |
| did_throw_exception = True |
| try: |
| transaction.run(self._raise_500_error) |
| did_throw_exception = False |
| except NetworkTimeout: |
| did_process_exception = True |
| self.assertTrue(did_throw_exception) |
| self.assertTrue(did_process_exception) |
