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index.test.ts
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index.test.ts
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import { isVue2, nextTick } from 'vue-demi'
import { useVModel } from '.'
describe('useVModel', () => {
const defaultKey = isVue2 ? 'value' : 'modelValue'
const defaultValue = 'default'
const defaultProps = () => ({
[defaultKey]: defaultValue,
})
it('should work with default value', () => {
const data = useVModel(defaultProps())
expect(data.value).toBe(defaultValue)
})
it('should work with null', () => {
const data = useVModel({ [defaultKey]: null })
expect(data.value).toBe(null)
})
it('should work with boolean', () => {
const data = useVModel({ [defaultKey]: false })
expect(data.value).toBe(false)
})
it('should work with arguments', () => {
const props = {
...defaultProps(),
data: 'data',
}
const data = useVModel(props, 'data')
expect(data.value).toBe('data')
})
it('should emit on value change', async () => {
const emitMock = vitest.fn()
const data = useVModel(defaultProps(), undefined, emitMock)
data.value = 'changed'
expect(emitMock).toHaveBeenCalledWith(isVue2 ? 'input' : 'update:modelValue', 'changed')
})
it('should use eventName if set', async () => {
const emitMock = vitest.fn()
const data = useVModel(defaultProps(), undefined, emitMock, { eventName: 'onChange' })
data.value = 'changed'
expect(emitMock).toHaveBeenCalledWith('onChange', 'changed')
})
it('should emit w/ passive', async () => {
const emitMock = vitest.fn()
const props = {
...defaultProps(),
age: 18,
}
const data = useVModel(props, 'age', emitMock, { passive: true })
data.value = 20
await nextTick()
expect(emitMock).toHaveBeenCalledWith('update:age', 20)
})
it('should emit w/ object props type', async () => {
const emitMock = vitest.fn()
const props = {
...defaultProps(),
data: {
age: 18,
},
}
const data = useVModel(props, 'data', emitMock, { passive: true, deep: true })
data.value.age = 20
await nextTick()
expect(emitMock).toHaveBeenCalledWith('update:data', { age: 20 })
})
it('should emit w/ array props type', async () => {
const emitMock = vitest.fn()
const props = {
...defaultProps(),
data: {
hobbies: ['coding'],
},
}
const data = useVModel(props, 'data', emitMock, { passive: true, deep: true })
data.value.hobbies.push('basketball')
await nextTick()
expect(emitMock).toBeCalledTimes(1)
expect(emitMock).toHaveBeenCalledWith('update:data', { hobbies: ['coding', 'basketball'] })
})
it('should work with user define defaultValue', () => {
const props: Record<string, unknown> = {
...defaultProps(),
a: 0,
b: '',
c: false,
d: null,
e: undefined,
}
const emitMock = vitest.fn()
const data = useVModel(props, 'data', emitMock, { defaultValue: 'default-data' })
const dataA = useVModel(props, 'a', emitMock, { defaultValue: 'default-data' })
const dataB = useVModel(props, 'b', emitMock, { defaultValue: 'default-data' })
const dataC = useVModel(props, 'c', emitMock, { defaultValue: 'default-data' })
const dataD = useVModel(props, 'd', emitMock, { defaultValue: 'default-data' })
const dataE = useVModel(props, 'e', emitMock, { defaultValue: 'default-data' })
expect(data.value).toBe('default-data')
expect(dataA.value).toBe(0)
expect(dataB.value).toBe('')
expect(dataC.value).toBe(false)
expect(dataD.value).toBe(null)
expect(dataE.value).toBe('default-data')
})
it('should work with user define defaultValue with passive', () => {
const props: Record<string, unknown> = {
...defaultProps(),
a: 0,
b: '',
c: false,
d: null as string | null,
e: undefined as string | undefined,
}
const emitMock = vitest.fn()
const data = useVModel(props, 'data', emitMock, { defaultValue: 'default-data', passive: true })
const dataA = useVModel(props, 'a', emitMock, { defaultValue: 'default-data', passive: true })
const dataB = useVModel(props, 'b', emitMock, { defaultValue: 'default-data', passive: true })
const dataC = useVModel(props, 'c', emitMock, { defaultValue: 'default-data', passive: true })
const dataD = useVModel(props, 'd', emitMock, { defaultValue: 'default-data', passive: true })
const dataE = useVModel(props, 'e', emitMock, { defaultValue: 'default-data', passive: true })
expect(data.value).toBe('default-data')
expect(dataA.value).toBe(0)
expect(dataB.value).toBe('')
expect(dataC.value).toBe(false)
expect(dataD.value).toBe(null)
expect(dataE.value).toBe('default-data')
})
it('Should work with classes', async () => {
const emitMock = vitest.fn()
class SomeClass {
num1 = 1
someMethod() {}
}
const props = { cl: new SomeClass() }
const ref = useVModel(props, 'cl', emitMock, { passive: true, deep: true })
ref.value.num1 = 10
await nextTick()
const emitValue = (emitMock as any).calls[0][1]
expect(emitValue instanceof SomeClass).toBeTruthy()
})
it('should clone object', async () => {
const emitMock = vitest.fn()
const props = {
person: {
age: 18,
child: { age: 2 },
},
}
const data = useVModel(props, 'person', emitMock, { passive: true, clone: true })
const dataDeep = useVModel(props, 'person', emitMock, { passive: true, clone: true, deep: true })
data.value.age = 20
await nextTick()
expect(props.person).not.toBe(data.value)
expect(props.person).toEqual(expect.objectContaining({ age: 18 }))
dataDeep.value.child.age = 3
expect(props.person).not.toBe(dataDeep.value)
expect(props.person).toEqual(expect.objectContaining({
child: { age: 2 },
}))
})
it('should deep clone object with clone function', async () => {
const emitMock = vitest.fn()
const clone = vitest.fn(x => JSON.parse(JSON.stringify(x)))
const props = {
person: {
age: 18,
child: { age: 2 },
},
}
const data = useVModel(props, 'person', emitMock, { passive: true, clone, deep: true })
data.value.age = 20
data.value.child.age = 3
await nextTick()
expect(clone).toHaveBeenCalled()
expect(props.person).not.toBe(data.value)
expect(props.person).toEqual({
age: 18,
child: { age: 2 },
})
})
})