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/datasource/ChangeDatasourceModal_spec.jsx

@@ -0,0 +1,94 @@
+/**
+ * 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 { Modal } from 'react-bootstrap';
+import configureStore from 'redux-mock-store';
+import { shallow } from 'enzyme';
+import fetchMock from 'fetch-mock';
+import thunk from 'redux-thunk';
+import sinon from 'sinon';
+
+import ChangeDatasourceModal from '../../../src/datasource/ChangeDatasourceModal';
+import mockDatasource from '../../fixtures/mockDatasource';
+
+const props = {
+  addDangerToast: () => {},
+  onDatasourceSave: sinon.spy(),
+  onChange: () => {},
+  onHide: () => {},
+  show: true,
+};
+
+const datasource = mockDatasource['7__table'];
+const datasourceData = {
+  id: datasource.name,
+  type: datasource.type,
+  uid: datasource.id,
+};
+
+const DATASOURCES_ENDPOINT = 'glob:*/superset/datasources/';
+const DATASOURCE_ENDPOINT = `glob:*/datasource/get/${datasourceData.type}/${datasourceData.id}`;
+const DATASOURCES_PAYLOAD = { json: 'data' };
+const DATASOURCE_PAYLOAD = { new: 'data' };
+
+describe('ChangeDatasourceModal', () => {
+  const mockStore = configureStore([thunk]);
+  const store = mockStore({});
+  fetchMock.get(DATASOURCES_ENDPOINT, DATASOURCES_PAYLOAD);
+
+  let wrapper;
+  let el;
+  let inst;
+
+  beforeEach(() => {
+    el = <ChangeDatasourceModal {...props} />;
+    wrapper = shallow(el, { context: { store } }).dive();
+    inst = wrapper.instance();
+  });
+
+  it('is valid', () => {
+    expect(React.isValidElement(el)).toBe(true);
+  });
+
+  it('renders a Modal', () => {
+    expect(wrapper.find(Modal)).toHaveLength(1);
+  });
+
+  it('fetches datasources', done => {
+    inst.onEnterModal();
+    setTimeout(() => {
+      expect(fetchMock.calls(DATASOURCES_ENDPOINT)).toHaveLength(1);
+      fetchMock.reset();
+      done();
+    }, 0);
+  });
+
+  it('changes the datasource', done => {
+    fetchMock.get(DATASOURCE_ENDPOINT, DATASOURCE_PAYLOAD);
+    inst.selectDatasource(datasourceData);
+    setTimeout(() => {
+      expect(fetchMock.calls(DATASOURCE_ENDPOINT)).toHaveLength(1);
+      expect(props.onDatasourceSave.getCall(0).args[0]).toEqual(
+        DATASOURCE_PAYLOAD,
+      );
+      fetchMock.reset();
+      done();
+    }, 0);
+  });
+});