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/DatasourceEditor_spec.jsx

@@ -0,0 +1,103 @@
+/**
+ * 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 { Tabs } from 'react-bootstrap';
+import { shallow } from 'enzyme';
+import configureStore from 'redux-mock-store';
+import fetchMock from 'fetch-mock';
+import thunk from 'redux-thunk';
+
+import DatasourceEditor from '../../../src/datasource/DatasourceEditor';
+import Field from '../../../src/CRUD/Field';
+import mockDatasource from '../../fixtures/mockDatasource';
+
+const props = {
+  datasource: mockDatasource['7__table'],
+  addSuccessToast: () => {},
+  addDangerToast: () => {},
+  onChange: () => {},
+};
+
+const extraColumn = {
+  column_name: 'new_column',
+  type: 'VARCHAR(10)',
+  description: null,
+  filterable: true,
+  verbose_name: null,
+  is_dttm: false,
+  expression: '',
+  groupby: true,
+};
+
+const DATASOURCE_ENDPOINT = 'glob:*/datasource/external_metadata/*';
+
+describe('DatasourceEditor', () => {
+  const mockStore = configureStore([thunk]);
+  const store = mockStore({});
+  fetchMock.get(DATASOURCE_ENDPOINT, []);
+
+  let wrapper;
+  let el;
+  let inst;
+
+  beforeEach(() => {
+    el = <DatasourceEditor {...props} />;
+    wrapper = shallow(el, { context: { store } }).dive();
+    inst = wrapper.instance();
+  });
+
+  it('is valid', () => {
+    expect(React.isValidElement(el)).toBe(true);
+  });
+
+  it('renders Tabs', () => {
+    expect(wrapper.find(Tabs)).toHaveLength(1);
+  });
+
+  it('makes an async request', done => {
+    wrapper.setState({ activeTabKey: 2 });
+    const syncButton = wrapper.find('.sync-from-source');
+    expect(syncButton).toHaveLength(1);
+    syncButton.simulate('click');
+
+    setTimeout(() => {
+      expect(fetchMock.calls(DATASOURCE_ENDPOINT)).toHaveLength(1);
+      fetchMock.reset();
+      done();
+    }, 0);
+  });
+
+  it('merges columns', () => {
+    const numCols = props.datasource.columns.length;
+    expect(inst.state.databaseColumns).toHaveLength(numCols);
+    inst.mergeColumns([extraColumn]);
+    expect(inst.state.databaseColumns).toHaveLength(numCols + 1);
+  });
+
+  it('renders isSqla fields', () => {
+    wrapper.setState({ activeTabKey: 4 });
+    expect(wrapper.state('isSqla')).toBe(true);
+    expect(
+      wrapper
+        .find(Field)
+        .find({ fieldKey: 'fetch_values_predicate' })
+        .exists(),
+    ).toBe(true);
+  });
+});