add tests for clim

Author: almarklein

tests/test_slicer.py

@@ -33,12 +33,14 @@ def test_slicer_init():
     assert isinstance(s.slider, dcc.Slider)
     assert isinstance(s.stores, list)
     assert all(isinstance(store, (dcc.Store, dcc.Interval)) for store in s.stores)
+    for store in [s.clim, s.state, s.extra_traces, s.overlay_data]:
+        assert isinstance(store, dcc.Store)
 
 
 def test_slicer_thumbnail():
-    app = dash.Dash()
     vol = np.random.uniform(0, 255, (100, 100, 100)).astype(np.uint8)
 
+    app = dash.Dash()
     _ = VolumeSlicer(app, vol)
     # Test for name pattern of server-side callback when thumbnails are used
     assert any(["server-data.data" in key for key in app.callback_map])
@@ -49,6 +51,21 @@ def test_slicer_thumbnail():
     assert not any(["server-data.data" in key for key in app.callback_map])
 
 
+def test_clim():
+    app = dash.Dash()
+    vol = np.random.uniform(0, 255, (10, 10, 10)).astype(np.uint8)
+    mi, ma = vol.min(), vol.max()
+
+    s = VolumeSlicer(app, vol)
+    assert s._initial_clim == (mi, ma)
+
+    s = VolumeSlicer(app, vol, clim=None)
+    assert s._initial_clim == (mi, ma)
+
+    s = VolumeSlicer(app, vol, clim=(10, 12))
+    assert s._initial_clim == (10, 12)
+
+
 def test_scene_id_and_context_id():
     app = dash.Dash()