Test to make sure data-* and aria-* actually render

tests/test_render.py

@@ -77,7 +77,9 @@ def test_initial_state(self):
                      id='p.c.3',
                      className="my-class",
                      title='tooltip',
-                     style={'color': 'red', 'fontSize': 30}
+                     style={'color': 'red', 'fontSize': 30},
+                     **{'data-test': 'dtest',
+                        'aria-test': 'atest'}
                      ),
             html.Div(id='p.c.4'),
             html.Div([
@@ -173,7 +175,9 @@ def test_initial_state(self):
             'id="p.c.3"',
             'class="my-class"',
             'title="tooltip"',
-        ], 3)
+            'data-test="dtest"',
+            'aria-test="atest"'
+        ], 5)
         passed = False
         for permutation in permutations:
             for style in style_permutations:
@@ -233,7 +237,9 @@ def test_initial_state(self):
                          'title': 'tooltip',
                          'style': {
                             'color': 'red', 'fontSize': 30
-                         }
+                         },
+                         'data-test': 'dtest',
+                         'aria-test': 'atest'
                       },
                       "type": "Div"
                     },
@@ -1813,12 +1819,17 @@ def test_update_react_version(self):
         # Create a dummy component with no props
         # (dash-html-components may not support tested React version)
         class TestComponent(Component):
-            def __init__(self, _namespace):
+            def __init__(self, _namespace, _valid_wildcard_attributes, _type):
                 self._prop_names = []
                 self._namespace = _namespace
+                self._type = _type
+                self._valid_wildcard_attributes = _valid_wildcard_attributes
                 super(TestComponent, self).__init__()
 
-        _test_component = TestComponent(_namespace='test-namespace')
+        _test_component = TestComponent(
+            _namespace='test-namespace',
+            _valid_wildcard_attributes=["data-", "aria-"],
+            _type="MyTestComponent")
         app.layout = _test_component
 
         self.startServer(app)