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from __future__ import with_statement
import logging
import webob
from exam import fixture
from raven.base import Client
from raven.middleware import Sentry
from raven.utils.compat import Iterator
from raven.utils.testutils import TestCase
class TempStoreClient(Client):
def __init__(self, **kwargs):
self.events = []
super(TempStoreClient, self).__init__(**kwargs)
def is_enabled(self):
return True
def send(self, **kwargs):
self.events.append(kwargs)
class ErroringIterable(Iterator):
def __init__(self):
self.closed = False
def __iter__(self):
return self
def __next__(self):
raise ValueError('hello world')
def close(self):
self.closed = True
class ExitingIterable(ErroringIterable):
def __init__(self, exc_func):
self._exc_func = exc_func
def __iter__(self):
return self
def __next__(self):
raise self._exc_func()
class SimpleIteratable(Iterator):
def __init__(self):
self.closed = False
self._iter = iter(['a'])
def __iter__(self):
return self
def __next__(self):
return next(self._iter)
def close(self):
self.closed = True
class ExampleApp(object):
def __init__(self, iterable):
self.iterable = iterable
def __call__(self, environ, start_response):
return self.iterable
class MiddlewareTestCase(TestCase):
@fixture
def client(self):
return TempStoreClient()
@fixture
def request(self):
return webob.Request.blank('/an-error?foo=bar')
def test_captures_error_in_iteration(self):
iterable = ErroringIterable()
app = ExampleApp(iterable)
middleware = Sentry(app, client=self.client)
response = middleware(self.request.environ, lambda *args: None)
with self.assertRaises(ValueError):
response = list(response)
self.assertEquals(len(self.client.events), 1)
event = self.client.events.pop(0)
assert 'exception' in event
exc = event['exception']['values'][-1]
self.assertEquals(exc['type'], 'ValueError')
self.assertEquals(exc['value'], 'hello world')
self.assertEquals(event['level'], logging.ERROR)
self.assertEquals(event['message'], 'ValueError: hello world')
assert 'request' in event
http = event['request']
self.assertEquals(http['url'], 'http://localhost/an-error')
self.assertEquals(http['query_string'], 'foo=bar')
self.assertEquals(http['method'], 'GET')
# self.assertEquals(http['data'], {'foo': 'bar'})
headers = http['headers']
self.assertTrue('Host' in headers, headers.keys())
self.assertEquals(headers['Host'], 'localhost:80')
env = http['env']
self.assertTrue('SERVER_NAME' in env, env.keys())
self.assertEquals(env['SERVER_NAME'], 'localhost')
self.assertTrue('SERVER_PORT' in env, env.keys())
self.assertEquals(env['SERVER_PORT'], '80')
def test_systemexit_0_is_ignored(self):
iterable = ExitingIterable(lambda: SystemExit(0))
app = ExampleApp(iterable)
middleware = Sentry(app, client=self.client)
response = middleware(self.request.environ, lambda *args: None)
with self.assertRaises(SystemExit):
response = list(response)
self.assertEquals(len(self.client.events), 0)
def test_systemexit_is_captured(self):
iterable = ExitingIterable(lambda: SystemExit(1))
app = ExampleApp(iterable)
middleware = Sentry(app, client=self.client)
response = middleware(self.request.environ, lambda *args: None)
with self.assertRaises(SystemExit):
response = list(response)
self.assertEquals(len(self.client.events), 1)
event = self.client.events.pop(0)
assert 'exception' in event
exc = event['exception']['values'][-1]
self.assertEquals(exc['type'], 'SystemExit')
self.assertEquals(exc['value'], '1')
self.assertEquals(event['level'], logging.ERROR)
self.assertEquals(event['message'], 'SystemExit: 1')
def test_keyboard_interrupt_is_captured(self):
iterable = ExitingIterable(lambda: KeyboardInterrupt())
app = ExampleApp(iterable)
middleware = Sentry(app, client=self.client)
response = middleware(self.request.environ, lambda *args: None)
with self.assertRaises(KeyboardInterrupt):
response = list(response)
self.assertEquals(len(self.client.events), 1)
event = self.client.events.pop(0)
assert 'exception' in event
exc = event['exception']['values'][-1]
self.assertEquals(exc['type'], 'KeyboardInterrupt')
self.assertEquals(exc['value'], '')
self.assertEquals(event['level'], logging.ERROR)
def test_close(self):
iterable = SimpleIteratable()
app = ExampleApp(iterable)
middleware = Sentry(app, client=self.client)
response = middleware(self.request.environ, lambda *args: None)
list(response) # exhaust iterator
response.close()
self.assertTrue(iterable.closed, True)
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