138 lines
3.9 KiB
TypeScript
138 lines
3.9 KiB
TypeScript
import {
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baseParse as parse,
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transform,
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CompilerOptions,
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generate
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} from '@vue/compiler-core'
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import { transformModel } from '../../src/transforms/vModel'
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import { transformElement } from '../../../compiler-core/src/transforms/transformElement'
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import { DOMErrorCodes } from '../../src/errors'
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import {
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V_MODEL_CHECKBOX,
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V_MODEL_DYNAMIC,
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V_MODEL_RADIO,
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V_MODEL_SELECT,
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V_MODEL_TEXT
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} from '../../src/runtimeHelpers'
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function transformWithModel(template: string, options: CompilerOptions = {}) {
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const ast = parse(template)
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transform(ast, {
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nodeTransforms: [transformElement],
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directiveTransforms: {
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model: transformModel
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},
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...options
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})
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return ast
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}
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describe('compiler: transform v-model', () => {
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test('simple expression', () => {
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const root = transformWithModel('<input v-model="model" />')
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expect(root.helpers).toContain(V_MODEL_TEXT)
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expect(generate(root).code).toMatchSnapshot()
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})
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test('simple expression for input (text)', () => {
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const root = transformWithModel('<input type="text" v-model="model" />')
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expect(root.helpers).toContain(V_MODEL_TEXT)
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expect(generate(root).code).toMatchSnapshot()
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})
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test('simple expression for input (radio)', () => {
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const root = transformWithModel('<input type="radio" v-model="model" />')
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expect(root.helpers).toContain(V_MODEL_RADIO)
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expect(generate(root).code).toMatchSnapshot()
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})
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test('simple expression for input (checkbox)', () => {
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const root = transformWithModel('<input type="checkbox" v-model="model" />')
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expect(root.helpers).toContain(V_MODEL_CHECKBOX)
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expect(generate(root).code).toMatchSnapshot()
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})
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test('simple expression for input (dynamic type)', () => {
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const root = transformWithModel('<input :type="foo" v-model="model" />')
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expect(root.helpers).toContain(V_MODEL_DYNAMIC)
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expect(generate(root).code).toMatchSnapshot()
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})
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test('simple expression for select', () => {
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const root = transformWithModel('<select v-model="model" />')
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expect(root.helpers).toContain(V_MODEL_SELECT)
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expect(generate(root).code).toMatchSnapshot()
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})
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test('simple expression for textarea', () => {
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const root = transformWithModel('<textarea v-model="model" />')
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expect(root.helpers).toContain(V_MODEL_TEXT)
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expect(generate(root).code).toMatchSnapshot()
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})
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describe('errors', () => {
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test('plain elements with argument', () => {
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const onError = jest.fn()
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transformWithModel('<input v-model:value="model" />', { onError })
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expect(onError).toHaveBeenCalledTimes(1)
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expect(onError).toHaveBeenCalledWith(
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expect.objectContaining({
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code: DOMErrorCodes.X_V_MODEL_ARG_ON_ELEMENT
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})
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)
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})
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test('invalid element', () => {
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const onError = jest.fn()
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transformWithModel('<span v-model="model" />', { onError })
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expect(onError).toHaveBeenCalledTimes(1)
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expect(onError).toHaveBeenCalledWith(
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expect.objectContaining({
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code: DOMErrorCodes.X_V_MODEL_ON_INVALID_ELEMENT
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})
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)
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})
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test('should raise error if used file input element', () => {
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const onError = jest.fn()
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transformWithModel(`<input type="file" v-model="test"/>`, {
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onError
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})
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expect(onError).toHaveBeenCalledWith(
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expect.objectContaining({
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code: DOMErrorCodes.X_V_MODEL_ON_FILE_INPUT_ELEMENT
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})
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)
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})
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})
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describe('modifiers', () => {
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test('.number', () => {
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const root = transformWithModel('<input v-model.number="model" />')
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expect(generate(root).code).toMatchSnapshot()
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})
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test('.trim', () => {
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const root = transformWithModel('<input v-model.trim="model" />')
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expect(generate(root).code).toMatchSnapshot()
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})
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test('.lazy', () => {
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const root = transformWithModel('<input v-model.lazy="model" />')
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expect(generate(root).code).toMatchSnapshot()
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})
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})
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})
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