3603: PySDK Collection objects support file-like APIs.

[arvados.git] / sdk / python / tests / arvados_testutil.py

diff --git a/sdk/python/tests/arvados_testutil.py b/sdk/python/tests/arvados_testutil.py
index 77146db470c1aa93bf0e175d1434a546ad18e6ea..04ca6b5e10606ac5d6825242d56b47bb64256bcb 100644 (file)
--- a/sdk/python/tests/arvados_testutil.py
+++ b/sdk/python/tests/arvados_testutil.py
@@ -1,18 +1,71 @@
 #!/usr/bin/env python
 
 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 ArvadosBaseTestCase(unittest.TestCase):
     # This class provides common utility functions for our tests.