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Use mock for patching http connection objects.

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This commit is contained in:
Ivan Malison
2014-09-18 05:32:55 -07:00
parent 9a564586a4
commit 958aac3af3
6 changed files with 138 additions and 112 deletions
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33
tests/unit/test_cassettes.py
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@@ -1,11 +1,13 @@
import copy
from six.moves import http_client as httplib
from six.moves import http_client as httplib
import contextlib2
import mock
import pytest
import yaml
import mock
from vcr.cassette import Cassette
from vcr.patch import force_reset
from vcr.errors import UnhandledHTTPRequestError
@@ -106,11 +108,9 @@ def test_arg_getter_functionality():
def function():
pass
with mock.patch.object(Cassette, '__init__', return_value=None) as cassette_init, \
mock.patch.object(Cassette, '_load'), \
mock.patch.object(Cassette, '__exit__'):
with mock.patch.object(Cassette, 'load') as cassette_load:
function()
cassette_init.assert_called_once_with(arg_getter.return_value[0],
cassette_load.assert_called_once_with(arg_getter.return_value[0],
**arg_getter.return_value[1])
@@ -153,22 +153,31 @@ def test_nesting_cassette_context_managers(*args):
second_response = copy.deepcopy(first_response)
second_response['body']['string'] = b'second_response'
with Cassette.use('test') as first_cassette, \
mock.patch.object(first_cassette, 'play_response', return_value=first_response):
with contextlib2.ExitStack() as exit_stack:
first_cassette = exit_stack.enter_context(Cassette.use('test'))
exit_stack.enter_context(mock.patch.object(first_cassette, 'play_response',
return_value=first_response))
assert_get_response_body_is('first_response')
# Make sure a second cassette can supercede the first
with Cassette.use('test') as second_cassette, \
mock.patch.object(second_cassette, 'play_response', return_value=second_response):
assert_get_response_body_is('second_response')
with Cassette.use('test') as second_cassette:
with mock.patch.object(second_cassette, 'play_response', return_value=second_response):
assert_get_response_body_is('second_response')
# Now the first cassette should be back in effect
assert_get_response_body_is('first_response')
def test_nesting_context_managers_by_checking_references_of_http_connection():
original = httplib.HTTPConnection
with Cassette.use('test'):
first_cassette_HTTPConnection = httplib.HTTPConnection
with Cassette.use('test'):
pass
second_cassette_HTTPConnection = httplib.HTTPConnection
assert second_cassette_HTTPConnection is not first_cassette_HTTPConnection
with Cassette.use('test'):
assert httplib.HTTPConnection is not second_cassette_HTTPConnection
with force_reset():
assert httplib.HTTPConnection is original
assert httplib.HTTPConnection is second_cassette_HTTPConnection
assert httplib.HTTPConnection is first_cassette_HTTPConnection