passerelle/tests/test_requests.py

383 lines
16 KiB
Python

import logging
import pytest
import mohawk
import mock
from httmock import urlmatch, HTTMock, response
from django.test import override_settings
from passerelle.utils import Request, CaseInsensitiveDict
from passerelle.utils.http_authenticators import HawkAuth
import utils
from utils import FakedResponse
class MockFileField(object):
def __init__(self, path):
self.path = path
class MockResource(object):
logger = logging.getLogger('requests')
basic_auth_username = ''
basic_auth_password = ''
client_certificate = None
trusted_certificate_authorities = None
verify_cert = True
http_proxy = ''
@pytest.fixture(params=['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'])
def log_level(request):
return request.param
@urlmatch(netloc=r'(.*\.)?httpbin\.org$')
def httpbin_mock(url, request):
return response(200, {"message": "Are you really josh ?"},
headers={"Content-Type": "application/json"}, request=request)
@urlmatch(netloc=r'(.*\.)?httperror\.org$')
def http400_mock(url, request):
return response(400, {"foo": "bar"},
headers={"Content-Type": "application/json"}, request=request)
def test_log_level(caplog, log_level):
url = 'https://httpbin.org/post'
logger = logging.getLogger('requests')
logger.setLevel(log_level)
with HTTMock(httpbin_mock):
requests = Request(logger=logger)
response = requests.post(url, json={'name':'josh'})
records = [record for record in caplog.records if record.name == 'requests']
records_length = len(records)
if logger.level > 20:
assert records_length == 0
else:
assert records_length == 1
record = records[0]
assert record.request_url == url
assert record.response_status == response.status_code
if logger.level == 10: # DEBUG
assert record.request_payload == '\'{"name": "josh"}\''
assert record.response_content == repr(response.content)
assert record.response_headers
else:
assert not hasattr(record, 'request_payload')
assert not hasattr(record, 'response_content')
assert not hasattr(record, 'response_headers')
def test_log_error(caplog, log_level):
url = 'https://httperror.org/plop'
logger = logging.getLogger('requests')
logger.setLevel(log_level)
with HTTMock(http400_mock):
requests = Request(logger=logger)
response = requests.post(url, json={'name':'josh'})
records = [record for record in caplog.records if record.name == 'requests']
records_length = len(records)
if logger.level > 40:
assert records_length == 0
else:
assert records_length == 1
record = records[0]
assert record.request_url == url
assert record.response_status == response.status_code
if logger.level == 10: # DEBUG
assert record.request_payload == '\'{"name": "josh"}\''
assert record.response_content == repr(response.content)
assert record.response_headers
else:
assert not hasattr(record, 'request_payload')
assert not hasattr(record, 'response_content')
assert not hasattr(record, 'response_headers')
def test_log_error_request_max_size(caplog, log_level, settings):
url = 'https://httperror.org/plop'
logger = logging.getLogger('requests')
logger.setLevel(log_level)
settings.LOGGED_REQUEST_MAX_SIZE = 8
with HTTMock(http400_mock):
requests = Request(logger=logger)
response = requests.post(url, json={'name':'josh'})
print logger.level
if logger.level == 10: # DEBUG
records = [record for record in caplog.records if record.name == 'requests']
assert records[0].request_payload == '\'{"name":\''
@pytest.fixture(params=['xml', 'whatever', 'jpeg', 'pdf'])
def endpoint_response(request):
response_request = mock.Mock(
headers={'Accept': '*/*', 'Authorization': 'Basic dG9rZW46dG9rZW4='}, body=None)
xml = FakedResponse(
headers={'Content-Type': 'application/xml; charset=charset=utf-8'}, status_code=200,
content='<tests><test>xml test</test></tests>', request=response_request)
whatever = FakedResponse(
headers={'Content-Type': 'texto/csv'}, status_code=200,
content='username;age\ntoken;10\ncartman:10', request=response_request)
jpeg = FakedResponse(
headers={'Content-Type': 'image/jpeg'}, status_code=200,
content='binary content to be ignored', request=response_request)
pdf = FakedResponse(
headers={'Content-Type': 'application/pdf'}, status_code=200,
content='binary content to be ignored', request=response_request)
return locals().get(request.param)
@mock.patch('passerelle.utils.RequestSession.send')
def test_skip_content_type(mocked_get, caplog, endpoint_response):
mocked_get.return_value = endpoint_response
logger = logging.getLogger('requests')
logger.setLevel(logging.DEBUG)
requests = Request(logger=logger)
response = requests.get('http://example.net/whatever').body
records = [record for record in caplog.records if record.name == 'requests']
if 'xml' in endpoint_response.headers.get('Content-Type'):
assert len(records) == 1
assert records[0].response_content == "'<tests><test>xml test</test></tests>'"
else:
assert len(records) == 1
@mock.patch('passerelle.utils.RequestSession.request')
def test_proxies(mocked_get, caplog, endpoint_response):
mocked_get.return_value = endpoint_response
logger = logging.getLogger('requests')
Request(logger=logger).get('http://example.net/whatever')
assert mocked_get.call_args[1].get('proxies') is None
Request(logger=logger).get('http://example.net/whatever',
proxies={'http': 'http://proxy'})
assert mocked_get.call_args[1].get('proxies') == {'http': 'http://proxy'}
with override_settings(REQUESTS_PROXIES={'http': 'http://globalproxy'}):
Request(logger=logger).get('http://example.net/whatever')
assert mocked_get.call_args[1].get('proxies') == {'http': 'http://globalproxy'}
Request(logger=logger).get('http://example.net/whatever',
proxies={'http': 'http://proxy'})
assert mocked_get.call_args[1].get('proxies') == {'http': 'http://proxy'}
# with a linked resource
resource = MockResource()
request = Request(resource=resource, logger=logger)
request.get('http://example.net/whatever')
assert 'proxies' not in mocked_get.call_args[1]
resource.http_proxy = 'http://resourceproxy'
resource_proxies = {'http': 'http://resourceproxy', 'https': 'http://resourceproxy'}
request.get('http://example.net/whatever')
assert mocked_get.call_args[1].get('proxies') == resource_proxies
request.get('http://example.net/whatever', proxies={'http': 'http://proxy'})
assert mocked_get.call_args[1].get('proxies') == {'http': 'http://proxy'}
with override_settings(REQUESTS_PROXIES={'http': 'http://globalproxy'}):
request.get('http://example.net/whatever')
assert mocked_get.call_args[1].get('proxies') == resource_proxies
request.get('http://example.net/whatever', proxies={'http': 'http://proxy'})
assert mocked_get.call_args[1].get('proxies') == {'http': 'http://proxy'}
resource.http_proxy = None
request.get('http://example.net/whatever')
assert mocked_get.call_args[1].get('proxies') == {'http': 'http://globalproxy'}
request.get('http://example.net/whatever', proxies={'http': 'http://proxy'})
assert mocked_get.call_args[1].get('proxies') == {'http': 'http://proxy'}
@mock.patch('passerelle.utils.RequestSession.request')
def test_resource_auth(mocked_get, caplog, endpoint_response):
mocked_get.return_value = endpoint_response
logger = logging.getLogger('requests')
resource = MockResource()
request = Request(resource=resource, logger=logger)
request.get('http://example.net/whatever')
assert 'auth' not in mocked_get.call_args[1]
request.get('http://example.net/whatever', auth=('user', 'pass'))
assert mocked_get.call_args[1].get('auth') == ('user', 'pass')
resource.basic_auth_username = 'ruser'
resource.basic_auth_password = 'rpass'
request.get('http://example.net/whatever')
assert mocked_get.call_args[1].get('auth') == ('ruser', 'rpass')
request.get('http://example.net/whatever', auth=('user', 'pass'))
assert mocked_get.call_args[1].get('auth') == ('user', 'pass')
request.get('http://example.net/whatever', auth=None)
assert mocked_get.call_args[1].get('auth') is None
@mock.patch('passerelle.utils.RequestSession.send')
def test_resource_hawk_auth(mocked_send, caplog, endpoint_response):
mocked_send.return_value = endpoint_response
logger = logging.getLogger('requests')
resource = MockResource()
request = Request(resource=resource, logger=logger)
credentials = {'id': 'id', 'key': 'key', 'algorithm': 'sha256'}
hawk_auth = HawkAuth(**credentials)
resp = request.get('http://httpbin.org/get', auth=hawk_auth)
prepared_method = mocked_send.call_args[0][0]
assert 'Authorization' in prepared_method.headers
generated_header = prepared_method.headers['Authorization']
sender = mohawk.Sender(credentials, nonce=hawk_auth.nonce, _timestamp=hawk_auth.timestamp,
url='http://httpbin.org/get', method='GET', content_type='',
content='')
expected_header = sender.request_header
generated_parts = [tuple(e.strip().split('=', 1)) for e in generated_header[5:].split(',')]
expected_parts = [tuple(e.strip().split('=', 1)) for e in expected_header[5:].split(',')]
# compare generated header elements
assert dict(generated_parts) == dict(expected_parts)
hawk_auth = HawkAuth(ext='extra attribute', **credentials)
resp = request.post('http://httpbin.org/post', auth=hawk_auth, json={'key': 'value'})
prepared_method = mocked_send.call_args[0][0]
assert 'Authorization' in prepared_method.headers
generated_header = prepared_method.headers['Authorization']
sender = mohawk.Sender(credentials, nonce=hawk_auth.nonce, _timestamp=hawk_auth.timestamp,
url='http://httpbin.org/post', method='POST', content_type='application/json',
content='{"key": "value"}', ext="extra attribute")
expected_header = sender.request_header
generated_parts = [tuple(e.strip().split('=', 1)) for e in generated_header[5:].split(',')]
expected_parts = [tuple(e.strip().split('=', 1)) for e in expected_header[5:].split(',')]
assert dict(generated_parts) == dict(expected_parts)
@mock.patch('passerelle.utils.RequestSession.request')
def test_resource_certificates(mocked_get, caplog, endpoint_response):
mocked_get.return_value = endpoint_response
logger = logging.getLogger('requests')
resource = MockResource()
request = Request(resource=resource, logger=logger)
request.get('http://example.net/whatever')
assert mocked_get.call_args[1].get('verify') is True
assert 'cert' not in mocked_get.call_args[1]
resource.verify_cert = False
request.get('http://example.net/whatever')
assert mocked_get.call_args[1].get('verify') is False
resource.trusted_certificate_authorities = MockFileField('/ca.pem')
request.get('http://example.net/whatever')
assert mocked_get.call_args[1].get('verify') == '/ca.pem'
assert 'cert' not in mocked_get.call_args[1]
request.get('http://example.net/whatever', verify=False)
assert mocked_get.call_args[1].get('verify') is False
resource.client_certificate = MockFileField('/client.pem')
request.get('http://example.net/whatever')
assert mocked_get.call_args[1].get('cert') == '/client.pem'
assert mocked_get.call_args[1].get('verify') == '/ca.pem'
request.get('http://example.net/whatever', cert='/local.pem', verify=False)
assert mocked_get.call_args[1].get('cert') == '/local.pem'
assert mocked_get.call_args[1].get('verify') is False
@mock.patch('passerelle.utils.RequestSession.request')
def test_requests_cache(mocked_get, caplog):
resource = MockResource()
logger = logging.getLogger('requests')
request = Request(resource=resource, logger=logger)
response_request = mock.Mock(headers={'Accept': '*/*'}, body=None)
mocked_get.return_value = FakedResponse(
headers={'Content-Type': 'text/plain; charset=charset=utf-8'},
request=response_request,
content='hello world', status_code=200)
# by default there is no cache
assert request.get('http://cache.example.org/').content == 'hello world'
assert request.get('http://cache.example.org/').content == 'hello world'
assert mocked_get.call_count == 2
# add some cache
mocked_get.reset_mock()
assert request.get('http://cache.example.org/', cache_duration=15).content == 'hello world'
assert mocked_get.call_count == 1
assert request.get('http://cache.example.org/', cache_duration=15).content == 'hello world'
assert mocked_get.call_count == 1 # got a cached response
# value changed
mocked_get.return_value = FakedResponse(
headers={'Content-Type': 'text/plain; charset=charset=utf-8'},
request=response_request,
content='hello second world', status_code=200)
assert request.get('http://cache.example.org/', cache_duration=15).content == 'hello world'
assert mocked_get.call_count == 1
# force cache invalidation
assert request.get('http://cache.example.org/', invalidate_cache=True).content == 'hello second world'
assert mocked_get.call_count == 2
# do not cache errors
mocked_get.return_value = FakedResponse(
headers={'Content-Type': 'text/plain; charset=charset=utf-8'},
request=response_request,
content='no such world', status_code=404)
mocked_get.reset_mock()
response = request.get('http://cache.example.org/404', cache_duration=15)
assert response.content == 'no such world'
assert response.status_code == 404
assert mocked_get.call_count == 1
response = request.get('http://cache.example.org/404', cache_duration=15)
assert mocked_get.call_count == 2
# check response headers
mocked_get.reset_mock()
mocked_get.return_value = FakedResponse(
headers=CaseInsensitiveDict({'Content-Type': 'image/png'}),
request=response_request,
content='hello world', status_code=200)
assert request.get('http://cache.example.org/img', cache_duration=15).headers.get('content-type') == 'image/png'
assert mocked_get.call_count == 1
assert request.get('http://cache.example.org/img', cache_duration=15).headers.get('content-type') == 'image/png'
assert mocked_get.call_count == 1 # got a cached response
@mock.patch('passerelle.utils.RequestSession.request')
def test_timeout(mocked_get, caplog, endpoint_response):
mocked_get.return_value = endpoint_response
logger = logging.getLogger('requests')
Request(logger=logger).get('http://example.net/whatever')
assert mocked_get.call_args[1]['timeout'] == 25
Request(logger=logger).get('http://example.net/whatever', timeout=42)
assert mocked_get.call_args[1]['timeout'] == 42
Request(logger=logger).get('http://example.net/whatever', timeout=None)
assert mocked_get.call_args[1]['timeout'] is None
with override_settings(REQUESTS_TIMEOUT=57):
Request(logger=logger).get('http://example.net/whatever')
assert mocked_get.call_args[1]['timeout'] == 57
Request(logger=logger).get('http://example.net/whatever', timeout=42)
assert mocked_get.call_args[1]['timeout'] == 42
Request(logger=logger).get('http://example.net/whatever', timeout=None)
assert mocked_get.call_args[1]['timeout'] is None