29 lines
896 B
JavaScript
29 lines
896 B
JavaScript
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import clone from '@/utils/clone'
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describe('clone', () => {
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it('Basic objects stay the same', () => {
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const obj = { a: 123, b: 'hello' }
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expect(clone(obj)).toEqual(obj)
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})
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it('Basic nested objects stay the same', () => {
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const obj = { a: 123, b: { c: 'hello-world' } }
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expect(clone(obj)).toEqual(obj)
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})
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it('Simple pojo reference types are re-created', () => {
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const c = { c: 'hello-world' }
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expect(clone({ a: 123, b: c }).b === c).toBe(false)
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})
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it('Retains array structures inside of a pojo', () => {
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const obj = { a: 'abcd', d: ['first', 'second'] }
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expect(Array.isArray(clone(obj).d)).toBe(true)
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})
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it('Removes references inside array structures', () => {
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const obj = { a: 'abcd', d: ['first', { foo: 'bar' }] }
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expect(clone(obj).d[1] === obj.d[1]).toBe(false)
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})
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})
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