test: Tests and dedicated directory for the SupersetResourceSelect Co…

…mponent (#13508)

* Refactor

* Clean up

* Add license

* Use findBy

superset-frontend/src/components/SupersetResourceSelect/SupersetResourceSelect.test.tsx

@@ -0,0 +1,64 @@
+/**
+ * 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 { render, screen } from 'spec/helpers/testing-library';
+import userEvent from '@testing-library/user-event';
+import fetchMock from 'fetch-mock';
+import SupersetResourceSelect from '.';
+
+const mockedProps = {
+  resource: 'dataset',
+  searchColumn: 'table_name',
+  onError: () => {},
+};
+
+fetchMock.get('glob:*/api/v1/dataset/?q=*', {});
+
+test('should render', () => {
+  const { container } = render(<SupersetResourceSelect {...mockedProps} />);
+  expect(container).toBeInTheDocument();
+});
+
+test('should render the Select... placeholder', () => {
+  render(<SupersetResourceSelect {...mockedProps} />);
+  expect(screen.getByText('Select...')).toBeInTheDocument();
+});
+
+test('should render the Loading... message', () => {
+  render(<SupersetResourceSelect {...mockedProps} />);
+  const select = screen.getByText('Select...');
+  userEvent.click(select);
+  expect(screen.getByText('Loading...')).toBeInTheDocument();
+});
+
+test('should render the No options message', async () => {
+  render(<SupersetResourceSelect {...mockedProps} />);
+  const select = screen.getByText('Select...');
+  userEvent.click(select);
+  expect(await screen.findByText('No options')).toBeInTheDocument();
+});
+
+test('should render the typed text', async () => {
+  render(<SupersetResourceSelect {...mockedProps} />);
+  const select = screen.getByText('Select...');
+  userEvent.click(select);
+  userEvent.type(select, 'typed text');
+  expect(await screen.findByText('typed text')).toBeInTheDocument();
+});