import { isImage } from './image'; const imageJPG = 'https://i.redd.it/t2mul61342l91.jpg'; const imagePNG = 'https://user-images.githubusercontent.com/47038980/205175493-fc1f7fdd-d10a-4099-88c4-146bac69e223.png'; const imageSVG = 'https://i.redd.it/t2mul61342l91.svg'; const imageUrlWithQueryParams = 'https://i.ytimg.com/vi/suFuJZCfC7g/hqdefault.jpg?sqp=-oaymwE2CNACELwBSFXyq4qpAygIARUAAIhCGAFwAcABBvABAfgB_gmAAtAFigIMCAAQARhlIGUoZTAP&rs=AOn4CLB_0OCFNuoCRBlaTJEa2PPOOHxkbQ'; describe("Evaluate if the link is returning an image's type", () => { test('return true when the link ends with .jpg', () => { const result = isImage(imageJPG); expect(result).toBe(true); }); test('return true when the link ends with .png', () => { const result = isImage(imagePNG); expect(result).toBe(true); }); test('return false when the link ends with .svg', () => { const result = isImage(imageSVG); expect(result).toBe(false); }); test('return true when the link ends with .jpg and query params', () => { const result = isImage(imageUrlWithQueryParams); expect(result).toBe(true); }); });