SIP-32: Moving frontend code to the base of the repo (#9098)

* move assets out, get webpack dev working

* update docs to reference superset-frontend

* draw the rest of the owl

* fix docs

* fix webpack script

* rats

* correct docs

* fix tox dox

superset-frontend/spec/javascripts/explore/components/RunQueryActionButton_spec.jsx

@@ -0,0 +1,50 @@
+/**
+ * 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 React from 'react';
+import { shallow } from 'enzyme';
+
+import RunQueryActionButton from '../../../../src/SqlLab/components/RunQueryActionButton';
+import Button from '../../../../src/components/Button';
+
+describe('RunQueryActionButton', () => {
+  let wrapper;
+  const defaultProps = {
+    allowAsync: false,
+    dbId: 1,
+    queryState: 'pending',
+    runQuery: () => {}, // eslint-disable-line
+    selectedText: null,
+    stopQuery: () => {}, // eslint-disable-line
+    sql: '',
+  };
+
+  beforeEach(() => {
+    wrapper = shallow(<RunQueryActionButton {...defaultProps} />);
+  });
+
+  it('is a valid react element', () => {
+    expect(
+      React.isValidElement(<RunQueryActionButton {...defaultProps} />),
+    ).toBe(true);
+  });
+
+  it('renders a single Button', () => {
+    expect(wrapper.find(Button)).toHaveLength(1);
+  });
+});