#!/usr/bin/env python
+import arvados
import errno
+import hashlib
+import httplib
+import httplib2
+import io
+import mock
import os
+import requests
import shutil
import tempfile
import unittest
+# Use this hostname when you want to make sure the traffic will be
+# instantly refused. 100::/64 is a dedicated black hole.
+TEST_HOST = '100::'
+
+skip_sleep = mock.patch('time.sleep', lambda n: None) # clown'll eat me
+
+# fake_httplib2_response and mock_responses
+# mock calls to httplib2.Http.request()
+def fake_httplib2_response(code, **headers):
+ headers.update(status=str(code),
+ reason=httplib.responses.get(code, "Unknown Response"))
+ return httplib2.Response(headers)
+
+def mock_responses(body, *codes, **headers):
+ return mock.patch('httplib2.Http.request', side_effect=(
+ (fake_httplib2_response(code, **headers), body) for code in codes))
+
+# fake_requests_response, mock_get_responses and mock_put_responses
+# mock calls to requests.get() and requests.put()
+def fake_requests_response(code, body, **headers):
+ r = requests.Response()
+ r.status_code = code
+ r.reason = httplib.responses.get(code, "Unknown Response")
+ r.headers = headers
+ r.raw = io.BytesIO(body)
+ return r
+
+def mock_get_responses(body, *codes, **headers):
+ return mock.patch('requests.get', side_effect=(
+ fake_requests_response(code, body, **headers) for code in codes))
+
+def mock_put_responses(body, *codes, **headers):
+ return mock.patch('requests.put', side_effect=(
+ fake_requests_response(code, body, **headers) for code in codes))
+
+def mock_requestslib_responses(method, body, *codes, **headers):
+ return mock.patch(method, side_effect=(
+ fake_requests_response(code, body, **headers) for code in codes))
+
+class MockStreamReader(object):
+ def __init__(self, name='.', *data):
+ self._name = name
+ self._data = ''.join(data)
+ self._data_locators = ['{}+{}'.format(hashlib.md5(d).hexdigest(),
+ len(d)) for d in data]
+ self.num_retries = 0
+
+ def name(self):
+ return self._name
+
+ def readfrom(self, start, size, num_retries=None):
+ return self._data[start:start + size]
+
+
+class ApiClientMock(object):
+ def api_client_mock(self):
+ return mock.MagicMock(name='api_client_mock')
+
+ def mock_keep_services(self, api_mock=None, status=200, count=12,
+ service_type='disk',
+ service_host=None,
+ service_port=None,
+ service_ssl_flag=False):
+ if api_mock is None:
+ api_mock = self.api_client_mock()
+ body = {
+ 'items_available': count,
+ 'items': [{
+ 'uuid': 'zzzzz-bi6l4-{:015x}'.format(i),
+ 'owner_uuid': 'zzzzz-tpzed-000000000000000',
+ 'service_host': service_host or 'keep0x{:x}'.format(i),
+ 'service_port': service_port or 65535-i,
+ 'service_ssl_flag': service_ssl_flag,
+ 'service_type': service_type,
+ } for i in range(0, count)]
+ }
+ self._mock_api_call(api_mock.keep_services().accessible, status, body)
+ return api_mock
+
+ def _mock_api_call(self, mock_method, code, body):
+ mock_method = mock_method().execute
+ if code == 200:
+ mock_method.return_value = body
+ else:
+ mock_method.side_effect = arvados.errors.ApiError(
+ fake_httplib2_response(code), "{}")
+
+
class ArvadosBaseTestCase(unittest.TestCase):
# This class provides common utility functions for our tests.