refactor axis editor data method name

Author: chrissimpkins

src/slice/__main__.py

@@ -551,7 +551,7 @@ def btn_clicked_slice(self):
             self.statusbar.update()
             # must keep this return statement to abort execution!
             return
-        elif not self.fvar_table_model.instance_data_validates():
+        elif not self.fvar_table_model.instance_data_validates_missing_data():
             SliceErrorDialog(
                 "You requested the same design space that is supported in the "
                 "font path that you are processing. Please define at least one "

src/slice/models.py

@@ -293,7 +293,7 @@ def get_instance_data(self):
 
         return instance_data
 
-    def instance_data_validates(self):
+    def instance_data_validates_missing_data(self):
         # validator that returns True if there is at least one
         # axis tag with a defined instance, and False if all
         # axis tags have blank entry fields = the original variable

tests/test_models_designaxis.py

@@ -112,7 +112,7 @@ def test_designaxis_model_get_partial_instance_data(qtbot):
     }
 
 
-def test_designaxis_model_instance_data_validates(qtbot):
+def test_designaxis_model_instance_data_validates_missing_data(qtbot):
     tableview = QTableView()
     model = DesignAxisModel()
     tableview.setModel(model)
@@ -125,7 +125,7 @@ def test_designaxis_model_instance_data_validates(qtbot):
     # variable
     assert model.get_instance_data() == {}
 
-    assert model.instance_data_validates() is False
+    assert model.instance_data_validates_missing_data() is False
 
     # fill model and try again
     # this requires at least one axis to have a value
@@ -136,7 +136,7 @@ def test_designaxis_model_instance_data_validates(qtbot):
     model._data[4][1] = ""
     model.layoutChanged.emit()
 
-    assert model.instance_data_validates() is True
+    assert model.instance_data_validates_missing_data() is True
 
 
 def test_designaxis_model_get_number_of_axes(qtbot):