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/dashboard/components/dnd/DragDroppable_spec.jsx

@@ -0,0 +1,106 @@
+/**
+ * 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, mount } from 'enzyme';
+import sinon from 'sinon';
+
+import newComponentFactory from '../../../../../src/dashboard/util/newComponentFactory';
+import {
+  CHART_TYPE,
+  ROW_TYPE,
+} from '../../../../../src/dashboard/util/componentTypes';
+import { UnwrappedDragDroppable as DragDroppable } from '../../../../../src/dashboard/components/dnd/DragDroppable';
+
+describe('DragDroppable', () => {
+  const props = {
+    component: newComponentFactory(CHART_TYPE),
+    parentComponent: newComponentFactory(ROW_TYPE),
+    editMode: false,
+    depth: 1,
+    index: 0,
+    isDragging: false,
+    isDraggingOver: false,
+    isDraggingOverShallow: false,
+    droppableRef() {},
+    dragSourceRef() {},
+    dragPreviewRef() {},
+  };
+
+  function setup(overrideProps, shouldMount = false) {
+    const method = shouldMount ? mount : shallow;
+    const wrapper = method(<DragDroppable {...props} {...overrideProps} />);
+    return wrapper;
+  }
+
+  it('should render a div with class dragdroppable', () => {
+    const wrapper = setup();
+    expect(wrapper.find('.dragdroppable')).toHaveLength(1);
+  });
+
+  it('should add class dragdroppable--dragging when dragging', () => {
+    const wrapper = setup({ isDragging: true });
+    expect(wrapper.find('.dragdroppable')).toHaveLength(1);
+  });
+
+  it('should call its child function', () => {
+    const childrenSpy = sinon.spy();
+    setup({ children: childrenSpy });
+    expect(childrenSpy.callCount).toBe(1);
+  });
+
+  it('should call its child function with "dragSourceRef" if editMode=true', () => {
+    const children = sinon.spy();
+    const dragSourceRef = () => {};
+    setup({ children, editMode: false, dragSourceRef });
+    setup({ children, editMode: true, dragSourceRef });
+
+    expect(children.getCall(0).args[0].dragSourceRef).toBeUndefined();
+    expect(children.getCall(1).args[0].dragSourceRef).toBe(dragSourceRef);
+  });
+
+  it('should call its child function with "dropIndicatorProps" dependent on editMode, isDraggingOver, state.dropIndicator is set', () => {
+    const children = sinon.spy();
+    const wrapper = setup({ children, editMode: false, isDraggingOver: false });
+    wrapper.setState({ dropIndicator: 'nonsense' });
+    wrapper.setProps({ ...props, editMode: true, isDraggingOver: true });
+
+    expect(children.callCount).toBe(3); // initial + setState + setProps
+    expect(children.getCall(0).args[0].dropIndicatorProps).toBeUndefined();
+    expect(children.getCall(2).args[0].dropIndicatorProps).toEqual({
+      className: 'drop-indicator',
+    });
+  });
+
+  it('should call props.dragPreviewRef and props.droppableRef on mount', () => {
+    const dragPreviewRef = sinon.spy();
+    const droppableRef = sinon.spy();
+
+    setup({ dragPreviewRef, droppableRef }, true);
+    expect(dragPreviewRef.callCount).toBe(1);
+    expect(droppableRef.callCount).toBe(1);
+  });
+
+  it('should set this.mounted dependent on life cycle', () => {
+    const wrapper = setup({}, true);
+    const instance = wrapper.instance();
+    expect(instance.mounted).toBe(true);
+    wrapper.unmount();
+    expect(instance.mounted).toBe(false);
+  });
+});