1 # Copyright (c) 2010 Google Inc. All rights reserved.
3 # Redistribution and use in source and binary forms, with or without
4 # modification, are permitted provided that the following conditions are
7 # * Redistributions of source code must retain the above copyright
8 # notice, this list of conditions and the following disclaimer.
9 # * Redistributions in binary form must reproduce the above
10 # copyright notice, this list of conditions and the following disclaimer
11 # in the documentation and/or other materials provided with the
13 # * Neither the name of Google Inc. nor the names of its
14 # contributors may be used to endorse or promote products derived from
15 # this software without specific prior written permission.
17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 from webkitpy.common.net.networktransaction import NetworkTransaction, NetworkTimeout
32 from webkitpy.common.system.logtesting import LoggingTestCase
35 class NetworkTransactionTest(LoggingTestCase):
36 exception = Exception("Test exception")
38 def test_success(self):
39 transaction = NetworkTransaction()
40 self.assertEqual(transaction.run(lambda: 42), 42)
42 def _raise_exception(self):
45 def test_exception(self):
46 transaction = NetworkTransaction()
47 did_process_exception = False
48 did_throw_exception = True
50 transaction.run(lambda: self._raise_exception())
51 did_throw_exception = False
53 did_process_exception = True
54 self.assertEqual(e, self.exception)
55 self.assertTrue(did_throw_exception)
56 self.assertTrue(did_process_exception)
58 def _raise_500_error(self):
60 if self._run_count < 3:
61 from webkitpy.thirdparty.autoinstalled.mechanize import HTTPError
62 raise HTTPError("http://example.com/", 500, "internal server error", None, None)
65 def _raise_404_error(self):
66 from webkitpy.thirdparty.autoinstalled.mechanize import HTTPError
67 raise HTTPError("http://foo.com/", 404, "not found", None, None)
71 transaction = NetworkTransaction(initial_backoff_seconds=0)
72 self.assertEqual(transaction.run(lambda: self._raise_500_error()), 42)
73 self.assertEqual(self._run_count, 3)
74 self.assertLog(['WARNING: Received HTTP status 500 loading "http://example.com/". '
75 'Retrying in 0 seconds...\n',
76 'WARNING: Received HTTP status 500 loading "http://example.com/". '
77 'Retrying in 0.0 seconds...\n'])
79 def test_convert_404_to_None(self):
80 transaction = NetworkTransaction(convert_404_to_None=True)
81 self.assertEqual(transaction.run(lambda: self._raise_404_error()), None)
83 def test_timeout(self):
85 transaction = NetworkTransaction(initial_backoff_seconds=60*60, timeout_seconds=60)
86 did_process_exception = False
87 did_throw_exception = True
89 transaction.run(lambda: self._raise_500_error())
90 did_throw_exception = False
91 except NetworkTimeout, e:
92 did_process_exception = True
93 self.assertTrue(did_throw_exception)
94 self.assertTrue(did_process_exception)