+@tutil.skip_sleep
+class KeepClientCacheTestCase(unittest.TestCase, tutil.ApiClientMock):
+ def setUp(self):
+ self.api_client = self.mock_keep_services(count=2)
+ self.keep_client = arvados.KeepClient(api_client=self.api_client)
+ self.data = b'xyzzy'
+ self.locator = '1271ed5ef305aadabc605b1609e24c52'
+
+ @mock.patch('arvados.KeepClient.KeepService.get')
+ def test_get_request_cache(self, get_mock):
+ with tutil.mock_keep_responses(self.data, 200, 200):
+ self.keep_client.get(self.locator)
+ self.keep_client.get(self.locator)
+ # Request already cached, don't require more than one request
+ get_mock.assert_called_once()
+
+ @mock.patch('arvados.KeepClient.KeepService.get')
+ def test_head_request_cache(self, get_mock):
+ with tutil.mock_keep_responses(self.data, 200, 200):
+ self.keep_client.head(self.locator)
+ self.keep_client.head(self.locator)
+ # Don't cache HEAD requests so that they're not confused with GET reqs
+ self.assertEqual(2, get_mock.call_count)
+
+ @mock.patch('arvados.KeepClient.KeepService.get')
+ def test_head_and_then_get_return_different_responses(self, get_mock):
+ head_resp = None
+ get_resp = None
+ get_mock.side_effect = ['first response', 'second response']
+ with tutil.mock_keep_responses(self.data, 200, 200):
+ head_resp = self.keep_client.head(self.locator)
+ get_resp = self.keep_client.get(self.locator)
+ self.assertEqual('first response', head_resp)
+ # First reponse was not cached because it was from a HEAD request.
+ self.assertNotEqual(head_resp, get_resp)
+
+