[SQL Lab] Show warning when user used up localStorage (#7572)

superset/assets/spec/javascripts/sqllab/utils/emptyQueryResults_spec.js

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+/**
+ * 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 emptyQueryResults from '../../../../src/SqlLab/utils/emptyQueryResults';
+import { LOCALSTORAGE_MAX_QUERY_AGE_MS } from '../../../../src/SqlLab/constants';
+import { queries } from '../fixtures';
+
+describe('emptyQueryResults', () => {
+  const queriesObj = {};
+  beforeEach(() => {
+    queries.forEach((q) => {
+      queriesObj[q.id] = q;
+    });
+  });
+
+  it('should empty query.results if query.startDttm is > LOCALSTORAGE_MAX_QUERY_AGE_MS', () => {
+    // make sure sample data contains old query
+    const oldQuery = queries[0];
+    const { id, startDttm } = oldQuery;
+    expect(Date.now() - startDttm).toBeGreaterThan(LOCALSTORAGE_MAX_QUERY_AGE_MS);
+    expect(Object.keys(oldQuery.results)).toContain('data');
+
+    const emptiedQuery = emptyQueryResults(queriesObj);
+    expect(emptiedQuery[id].startDttm).toBe(startDttm);
+    expect(emptiedQuery[id].results).toEqual({});
+  });
+});