start api changes

Author: valeriupredoi

tests/unit/test_active.py

@@ -3,7 +3,7 @@
 import pytest
 import threading
 
-from activestorage.active import Active
+from activestorage.active import Active, ActiveVariable
 from activestorage.active import load_from_s3
 from activestorage.config import *
 from botocore.exceptions import EndpointConnectionError as botoExc
@@ -81,6 +81,14 @@ def test_active():
     init = active.__init__(uri=uri, ncvar=ncvar)
 
 
+def test_activevariable():
+    uri = "tests/test_data/cesm2_native.nc"
+    ncvar = "TREFHT"
+    active = Active(uri, ncvar=ncvar)
+    av = ActiveVariable(active)
+    assert av.ds.shape == (12, 4, 8)
+
+
 @pytest.mark.xfail(reason="We don't employ locks with Pyfive anymore, yet.")
 def test_lock():
     """Unit test for class:Active."""