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Filename :
wrapWord.js
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import { expect } from 'chai'; import wrapWord from './../src/wrapWord'; describe('wrapWord', () => { it('wraps a string at a nearest whitespace', () => { expect(wrapWord('aaa bbb', 5)).to.deep.equal(['aaa', 'bbb']); expect(wrapWord('a a a bbb', 5)).to.deep.equal(['a a a', 'bbb']); }); context('a single word is longer than chunk size', () => { it('cuts the word', () => { expect(wrapWord('aaaaa', 2)).to.deep.equal(['aa', 'aa', 'a']); }); }); context('a long word with a special character', () => { it('cuts the word at the special character', () => { expect(wrapWord('aaa\\bbb', 5)).to.deep.equal(['aaa\\', 'bbb']); expect(wrapWord('aaa/bbb', 5)).to.deep.equal(['aaa/', 'bbb']); expect(wrapWord('aaa_bbb', 5)).to.deep.equal(['aaa_', 'bbb']); expect(wrapWord('aaa-bbb', 5)).to.deep.equal(['aaa-', 'bbb']); expect(wrapWord('aaa.bbb', 5)).to.deep.equal(['aaa.', 'bbb']); expect(wrapWord('aaa,bbb', 5)).to.deep.equal(['aaa,', 'bbb']); expect(wrapWord('aaa;bbb', 5)).to.deep.equal(['aaa;', 'bbb']); }); }); context('a special character after the length of a container', () => { it('does not include special character', () => { expect(wrapWord('aa-bbbbb-cccc', 5)).to.deep.equal(['aa-', 'bbbbb', '-cccc']); }); }); });