Add test for geojson not converting to b64

Author: marthacryan

packages/python/plotly/plotly/tests/test_optional/test_graph_objs/test_skipped_b64_keys.py

@@ -0,0 +1,64 @@
+from unittest import TestCase
+import numpy as np
+from plotly.tests.test_optional.optional_utils import NumpyTestUtilsMixin
+import plotly.graph_objs as go
+
+class TestSkippedBase64Keys(NumpyTestUtilsMixin, TestCase):
+    def test_np_geojson(self):
+        choropleth_coordinates = np.array([[
+            # Use the min / max of both coordinates to make a simple square
+            [-87.359296, 35.00118],
+            [-87.359296, 30.247195],
+            [-85.004212, 30.247195],
+            [-85.004212, 35.00118],
+        ]])
+
+        data = [{
+            "type": "choropleth",
+            "name": "choropleth + RAW",
+            "locations": ["AL"],
+            "featureidkey": "properties.id",
+            "z": np.array([10]),
+            "showscale": False,
+            "geojson": {
+                "type": "Feature",
+                "properties": {
+                    "id": "AL"
+                },
+                "geometry": {
+                    "type": "Polygon",
+                    "coordinates": choropleth_coordinates
+                }
+            }
+        }]
+
+        fig = go.Figure(data=data)
+        exp_data = {
+            'featureidkey': 'properties.id',
+            'geojson': {
+                'geometry': {
+                    'coordinates': [[
+                        [-87.359296, 35.00118],
+                        [-87.359296, 30.247195],
+                        [-85.004212, 30.247195],
+                        [-85.004212, 35.00118],
+                    ]],
+                    'type': 'Polygon'
+                },
+                'properties': {
+                    'id': 'AL'
+                },
+                'type': 'Feature'
+            },
+            'locations': ['AL'],
+            'name': 'choropleth + RAW',
+            'showscale': False,
+            'type': 'choropleth',
+            'z': {
+                'bdata': 'Cg==',
+                'dtype': 'i1'
+            }
+        }
+        fig.show()
+
+        self.assert_fig_equal(fig.data[0], exp_data)