Mocking download

sunpy/net/jsoc/tests/test_jsoc.py

@@ -7,6 +7,7 @@
 import astropy.units as u
 import pytest
 from parfive import Results
+from unittest import mock
 
 from sunpy.net.jsoc import JSOCClient, JSOCResponse
 import sunpy.net.attrs as a
@@ -326,7 +327,17 @@ def test_max_parallel_connections():
     responses = client.search(
         a.Time('2014/1/1T1:00:36', '2014/1/1T01:01:38'),
         a.jsoc.Series('hmi.M_45s'), a.jsoc.Notify('jsoc@cadair.com'))
+
     path = tempfile.mkdtemp()
 
-    with pytest.warns(SunpyUserWarning):
-        client.fetch(responses, path=path, max_conn=5, max_splits=5)
+    with mock.patch(
+                    "parfive.Downloader.download",
+                    new_callable=mock.MagicMock
+                  ) as download:
+
+        download.side_effect = ["Mocked Downloader"]
+
+        with pytest.warns(SunpyUserWarning):
+            client.fetch(responses, path=path, max_conn=5, max_splits=5)
+
+    assert download.called