19 lines
773 B
JavaScript
19 lines
773 B
JavaScript
const expect = require("expect");
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const {getImages} = require("./_30s.js");
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const jsdom = require("jsdom");
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const { JSDOM } = jsdom;
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const TEST_HTML = new JSDOM("<!DOCTYPE html><p>Hello world</p><img src=\"https://upload.wikimedia.org/wikipedia/en/1/12/Yellow_Smiley_Face.png\"></img>").window.document;
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test("getImages is a Function", () => {
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expect(getImages).toBeInstanceOf(Function);
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});
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test("getImages returns an Array", () => {
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expect(getImages(TEST_HTML)).toBeInstanceOf(Array);
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});
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test("getImages removes duplicates from images Array", () => {
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expect(getImages(TEST_HTML, false).length).toBeLessThanOrEqual(getImages(TEST_HTML, true).length);
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expect(getImages(TEST_HTML, true)).toEqual(expect.arrayContaining(getImages(TEST_HTML, false)));
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});
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