Add tests for field attributes in javascript_exclude.

Author: adamghill

django_unicorn/components/unicorn_view.py

@@ -335,7 +335,7 @@ def get_frontend_context_variables(self) -> str:
         attributes = self._attributes()
         frontend_context_variables.update(attributes)
 
-        exclude_field_attributes = ()
+        exclude_field_attributes = []
 
         # Remove any field in `javascript_exclude` from `frontend_context_variables`
         if hasattr(self, "Meta") and hasattr(self.Meta, "javascript_exclude"):
@@ -374,7 +374,7 @@ def get_frontend_context_variables(self) -> str:
 
         encoded_frontend_context_variables = serializer.dumps(
             frontend_context_variables,
-            exclude_field_attributes=exclude_field_attributes,
+            exclude_field_attributes=tuple(exclude_field_attributes),
         )
 
         return encoded_frontend_context_variables

tests/components/test_component.py

@@ -115,6 +115,45 @@ class Meta:
     assert "name" in component.get_context_data()
 
 
+def test_meta_javascript_exclude_nested_with_tuple():
+    class TestComponent(UnicornView):
+        name = {"Universe": {"World": "Earth"}}
+
+        class Meta:
+            javascript_exclude = ("name.Universe",)
+
+    expected = '{"name":{}}'
+    component = TestComponent(component_id="asdf1234", component_name="hello-world")
+    assert expected == component.get_frontend_context_variables()
+
+
+def test_meta_javascript_exclude_nested_multiple_with_spaces():
+    class TestComponent(UnicornView):
+        name = {"Universe": {"World": "Earth"}}
+        another = {"Neutral Milk Hotel": {"album": {"On Avery Island": 1996}}}
+
+        class Meta:
+            javascript_exclude = ("name.Universe", "another.Neutral Milk Hotel.album")
+
+    expected = '{"another":{"Neutral Milk Hotel":{}},"name":{}}'
+    component = TestComponent(component_id="asdf1234", component_name="hello-world")
+    assert expected == component.get_frontend_context_variables()
+
+
+def test_meta_javascript_exclude_nested_with_list():
+    class TestComponent(UnicornView):
+        name = {"Universe": {"World": "Earth"}}
+
+        class Meta:
+            javascript_exclude = [
+                "name.Universe",
+            ]
+
+    expected = '{"name":{}}'
+    component = TestComponent(component_id="asdf1234", component_name="hello-world")
+    assert expected == component.get_frontend_context_variables()
+
+
 def test_meta_exclude():
     class TestComponent(UnicornView):
         name = "World"