Files
superset2/superset-frontend/plugins/plugin-chart-horizon/test/HorizonChart.test.tsx
2026-07-22 17:50:35 -07:00

52 lines
2.0 KiB
TypeScript

/**
* 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 { render, screen } from 'spec/helpers/testing-library';
import HorizonChart from '../src/HorizonChart';
beforeAll(() => {
// jsdom has no 2d context; HorizonRow guards on a null context
jest.spyOn(HTMLCanvasElement.prototype, 'getContext').mockReturnValue(null);
});
const data = [
{ key: ['series', 'a'], values: [{ y: 1 }, { y: 2 }] },
{ key: ['series', 'b'], values: [{ y: 3 }, { y: 4 }] },
];
test('renders one row per data series with joined titles', () => {
const { container } = render(<HorizonChart data={data} />);
expect(container.querySelectorAll('.horizon-row')).toHaveLength(2);
expect(screen.getByText('series, a')).toBeInTheDocument();
expect(screen.getByText('series, b')).toBeInTheDocument();
});
test('applies the chart height to the container', () => {
const { container } = render(<HorizonChart data={data} height={300} />);
const chart = container.querySelector('.superset-legacy-chart-horizon');
expect(chart).toHaveStyle({ height: '300px' });
});
test('renders nothing but the container for empty data', () => {
const { container } = render(<HorizonChart data={[]} />);
expect(container.querySelectorAll('.horizon-row')).toHaveLength(0);
});