feat(plugin-chart-echarts): Echarts Waterfall (#17906)

Co-authored-by: Michael S. Molina <michael.s.molina@gmail.com>

superset-frontend/plugins/plugin-chart-echarts/test/Waterfall/buildQuery.test.ts

@@ -0,0 +1,38 @@
+/**
+ * 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 { SqlaFormData } from '@superset-ui/core';
+import buildQuery from '../../src/Waterfall/buildQuery';
+
+describe('Waterfall buildQuery', () => {
+  const formData = {
+    datasource: '5__table',
+    granularity_sqla: 'ds',
+    metric: 'foo',
+    series: 'bar',
+    columns: 'baz',
+    viz_type: 'my_chart',
+  };
+
+  it('should build query fields from form data', () => {
+    const queryContext = buildQuery(formData as unknown as SqlaFormData);
+    const [query] = queryContext.queries;
+    expect(query.metrics).toEqual(['foo']);
+    expect(query.columns).toEqual(['bar', 'baz']);
+  });
+});