test coverage

lcviz/tests/test_plugin_ephemeris.py

@@ -90,16 +90,24 @@ def test_cloned_phase_viewer(helper, light_curve_like_kepler_quarter):
     helper.load_data(light_curve_like_kepler_quarter)
     ephem = helper.plugins['Ephemeris']
 
+    assert len(ephem._get_phase_viewers()) == 0
     pv1 = ephem.create_phase_viewer()
+    assert len(ephem._get_phase_viewers()) == 1
     pv2 = pv1._obj.clone_viewer()
+    assert len(ephem._get_phase_viewers()) == 2
     assert len(helper.viewers) == 3
     assert pv1._obj.reference_id == 'flux-vs-phase:default'
+    assert pv1._obj._ephemeris_component == 'default'
     assert pv2._obj.reference_id == 'flux-vs-phase:default[1]'
+    assert pv2._obj._ephemeris_component == 'default'
 
     # renaming ephemeris should update both labels
     ephem.rename_component('default', 'renamed')
     assert pv1._obj.reference_id == 'flux-vs-phase:renamed'
+    assert pv1._obj._ephemeris_component == 'renamed'
     assert pv2._obj.reference_id == 'flux-vs-phase:renamed[1]'
+    assert pv2._obj._ephemeris_component == 'renamed'
+    assert len(ephem._get_phase_viewers()) == 2
 
     ephem.remove_component('renamed')
     assert len(helper.viewers) == 1  # just flux-vs-phase