import { render, screen } from '@testing-library/react'; import { selectors } from '@grafana/e2e-selectors'; import { AddLayerButton, AddLayerButtonProps } from './AddLayerButton'; describe('AddLayerButton', () => { const testLabel = 'Add Layer'; it('renders AddLayerButton', () => { renderScenario({}); const button = screen.getByTestId(selectors.components.ValuePicker.button(testLabel)); expect(button).toBeInTheDocument(); }); function renderScenario(overrides: Partial) { const dummyOptions = [{ description: 'Use markers to render each data point', label: 'Markers', value: 'markers' }]; const props: AddLayerButtonProps = { onChange: jest.fn(), options: dummyOptions, label: testLabel, }; Object.assign(props, overrides); return { props, renderResult: render(), }; } });