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CheckboxGrid.test.tsx
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CheckboxGrid.test.tsx
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/**
* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership.
*
* Licensed 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 } from '@testing-library/react';
import userEvent from '@testing-library/user-event';
import faker from 'faker';
import times from 'lodash/times';
import CheckboxGrid, {
CheckboxGridOption,
CheckboxGridProps
} from './CheckboxGrid';
const createCheckboxData = (options: CheckboxGridOption[]) => {
const id = faker.lorem.word();
const label = faker.lorem.word();
const isChecked = faker.datatype.boolean();
options.push({
id,
label,
isChecked
});
};
const createOptions = (): CheckboxGridOption[] => {
const options: CheckboxGridOption[] = [];
times(10, () => createCheckboxData(options));
return options;
};
const defaultOptions: CheckboxGridOption[] = createOptions();
const onChange = jest.fn();
describe('<CheckboxGrid />', () => {
afterEach(() => {
jest.resetAllMocks();
});
const defaultProps = {
options: defaultOptions,
onChange,
label: faker.lorem.word()
};
const renderCheckboxGrid = (props?: Partial<CheckboxGridProps>) =>
render(<CheckboxGrid {...defaultProps} {...props} />);
it('renders without error', () => {
expect(() => {
renderCheckboxGrid();
}).not.toThrow();
});
it('renders N number of checkboxes based on the options', () => {
const { container } = renderCheckboxGrid();
expect(container.querySelectorAll('.defaultCheckbox')?.length).toEqual(
defaultOptions.length
);
});
it('sorts the checkboxes based on the options array', () => {
const { container } = renderCheckboxGrid();
const firstGridContainer = container.querySelector(
'.checkboxGridContainer'
);
const labels: string[] = [];
Object.values(defaultOptions).forEach((element) => {
labels.push(element.label);
});
const firstLabel = labels.shift();
const lastLabel = labels.pop();
const allCheckboxes = (firstGridContainer as HTMLElement).querySelectorAll(
'.defaultCheckbox'
);
const firstCheckbox = allCheckboxes[0];
expect(firstCheckbox.nextSibling?.textContent).toEqual(firstLabel);
const lastCheckbox = allCheckboxes[allCheckboxes.length - 1];
expect(lastCheckbox.nextSibling?.textContent).toEqual(lastLabel);
});
it('calls the checkboxOnChange when a checkbox is checked/unchecked', async () => {
const { container } = renderCheckboxGrid();
const firstCheckbox = container.querySelector(
'.defaultCheckbox'
) as HTMLElement;
userEvent.click(firstCheckbox);
const checkedStatus = defaultOptions[0].isChecked;
const firstCheckboxID = defaultOptions[0].id;
expect(onChange).toBeCalledWith(!checkedStatus, firstCheckboxID);
});
it('hides the unchecked checkboxes when hideUnchecked is true', () => {
const { container } = renderCheckboxGrid({ hideUnchecked: true });
let totalCheckedCheckboxes = 0;
Object.values(defaultOptions).forEach((section) => {
if (section.isChecked) {
totalCheckedCheckboxes++;
}
});
expect(container.querySelectorAll('.defaultCheckbox').length).toBe(
totalCheckedCheckboxes
);
});
it('hides the grid label when hideLabel is true', () => {
const { container } = renderCheckboxGrid({ hideLabel: true });
expect(container.querySelector('.checkboxGridTitle')).toBeFalsy();
});
it('draws 3 columns by default', () => {
const { container } = renderCheckboxGrid();
const firstGridContainer = container.querySelector(
'.checkboxGridContainer'
) as HTMLElement;
expect(firstGridContainer.children.length).toBe(3);
});
it('draws N number of columns based on the `column` parameter', () => {
const columns = 4;
const { container } = renderCheckboxGrid({ columns });
const firstGridContainer = container.querySelector(
'.checkboxGridContainer'
) as HTMLElement;
expect(firstGridContainer.children.length).toBe(columns);
});
});