feat(plugin): add plugin-chart-cartodiagram (#25869)

Co-authored-by: Jakob Miksch <jakob@meggsimum.de>

superset-frontend/plugins/plugin-chart-cartodiagram/test/util/chartUtil.test.ts

@@ -0,0 +1,77 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import { ChartConfig } from '../../src/types';
+import { isChartConfigEqual, simplifyConfig } from '../../src/util/chartUtil';
+
+describe('chartUtil', () => {
+  const configA: ChartConfig = {
+    type: 'FeatureCollection',
+    features: [
+      {
+        type: 'Feature',
+        geometry: {
+          type: 'Point',
+          coordinates: [],
+        },
+        properties: {
+          refs: 'foo',
+        },
+      },
+    ],
+  };
+
+  const configB: ChartConfig = {
+    type: 'FeatureCollection',
+    features: [
+      {
+        type: 'Feature',
+        geometry: {
+          type: 'Point',
+          coordinates: [],
+        },
+        properties: {
+          refs: 'foo',
+          foo: 'bar',
+        },
+      },
+    ],
+  };
+
+  describe('simplifyConfig', () => {
+    it('removes the refs property from a feature', () => {
+      const simplifiedConfig = simplifyConfig(configA);
+      const propKeys = Object.keys(simplifiedConfig.features[0].properties);
+
+      expect(propKeys).toHaveLength(0);
+    });
+  });
+
+  describe('isChartConfigEqual', () => {
+    it('returns true, if configurations are equal', () => {
+      const isEqual = isChartConfigEqual(configA, structuredClone(configA));
+      expect(isEqual).toBe(true);
+    });
+
+    it('returns false if configurations are not equal', () => {
+      const isEqual = isChartConfigEqual(configA, configB);
+      expect(isEqual).toBe(false);
+    });
+  });
+});