72 lines
2 KiB
JavaScript
72 lines
2 KiB
JavaScript
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import getBoundaries from '../../src/utils/getBoundaries';
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describe('utils/getBoundaries-padding-offset', () => {
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let node;
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beforeEach(() => {
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node = document.createElement('div');
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document.body.appendChild(node);
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});
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afterEach(() => {
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document.body.removeChild(node);
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});
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function expectBoundary(result, expected) {
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const tolerance = 2;
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expect(Math.abs(result.top - expected.top) <= tolerance).toBeTruthy();
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expect(Math.abs(result.right - expected.right) <= tolerance).toBeTruthy();
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expect(Math.abs(result.bottom - expected.bottom) <= tolerance).toBeTruthy();
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expect(Math.abs(result.left - expected.left) <= tolerance).toBeTruthy();
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}
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it('returns a boundary with a single value padding offset.', () => {
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const padding = 50;
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const result = getBoundaries(null, null, padding, 'viewport', true);
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expectBoundary(result, {
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top: 50,
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right: window.innerWidth - 50,
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bottom: window.innerHeight - 50,
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left: 50,
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});
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});
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it('returns a boundary with a top and left componentized padding offset.', () => {
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const padding = {
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top: 50,
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left: 100,
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};
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const result = getBoundaries(null, null, padding, 'viewport', true);
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expectBoundary(result, {
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top: 50,
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right: window.innerWidth,
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bottom: window.innerHeight,
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left: 100,
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});
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});
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it('returns a boundary with a bottom and right componentized padding offset.', () => {
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const padding = {
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bottom: 50,
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right: 85,
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};
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const result = getBoundaries(null, null, padding, 'viewport', true);
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expectBoundary(result, {
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top: 0,
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right: window.innerWidth - 85,
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bottom: window.innerHeight - 50,
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left: 0,
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});
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});
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it('returns a boundary with a null padding offset.', () => {
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const padding = null;
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const result = getBoundaries(null, null, padding, 'viewport', true);
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expectBoundary(result, {
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top: 0,
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right: window.innerWidth,
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bottom: window.innerHeight,
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left: 0,
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});
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});
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});
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