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98ce640684
* test(utils): [vue] add icon,install,vnode and global-node test * test(utils): [global-node] remove repeat code of useless
22 lines
722 B
TypeScript
22 lines
722 B
TypeScript
import { describe, expect, it } from 'vitest'
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import { ensureOnlyChild } from '../..'
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describe('ensureOnlyChild', () => {
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it('it should throw an error if input is not an array or undefined', () => {
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expect(() => {
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ensureOnlyChild('not an array' as any)
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}).toThrow('expect to receive a single Vue element child')
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})
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it('it should throw an error if input array has more than one element', () => {
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expect(() => {
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ensureOnlyChild([1, 2])
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}).toThrow('expect to receive a single Vue element child')
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})
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it('it should return the only child if input is an array with one element', () => {
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const child = { type: 'div' }
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expect(ensureOnlyChild([child as any])).toEqual(child)
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})
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})
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