151 lines
3.0 KiB
TypeScript
151 lines
3.0 KiB
TypeScript
import {
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h,
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render,
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Component,
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nodeOps,
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NodeTypes,
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TestElement,
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TestText,
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dumpOps,
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NodeOpTypes,
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nextTick,
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observable,
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resetOps,
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serialize
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} from '../src'
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describe('test renderer', () => {
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it('should work', () => {
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class App extends Component {
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render() {
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return h(
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'div',
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{
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id: 'test'
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},
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'hello'
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)
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}
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}
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const root = nodeOps.createElement('div')
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render(h(App), root)
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expect(root.children.length).toBe(1)
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const el = root.children[0] as TestElement
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expect(el.type).toBe(NodeTypes.ELEMENT)
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expect(el.props.id).toBe('test')
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expect(el.children.length).toBe(1)
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const text = el.children[0] as TestText
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expect(text.type).toBe(NodeTypes.TEXT)
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expect(text.text).toBe('hello')
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})
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it('should record ops', async () => {
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const state = observable({
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id: 'test',
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text: 'hello'
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})
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class App extends Component {
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render() {
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return h(
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'div',
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{
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id: state.id
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},
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state.text
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)
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}
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}
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const root = nodeOps.createElement('div')
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resetOps()
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render(h(App), root)
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const ops = dumpOps()
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expect(ops.length).toBe(5)
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expect(ops[0]).toEqual({
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type: NodeOpTypes.CREATE,
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nodeType: NodeTypes.ELEMENT,
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tag: 'div',
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targetNode: root.children[0]
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})
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expect(ops[1]).toEqual({
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type: NodeOpTypes.PATCH,
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targetNode: root.children[0],
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propKey: 'id',
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propPrevValue: null,
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propNextValue: 'test'
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})
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expect(ops[2]).toEqual({
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type: NodeOpTypes.CREATE,
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nodeType: NodeTypes.TEXT,
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text: 'hello',
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targetNode: (root.children[0] as TestElement).children[0]
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})
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expect(ops[3]).toEqual({
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type: NodeOpTypes.APPEND,
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targetNode: (root.children[0] as TestElement).children[0],
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parentNode: root.children[0]
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})
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expect(ops[4]).toEqual({
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type: NodeOpTypes.APPEND,
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targetNode: root.children[0],
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parentNode: root
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})
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// test update ops
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state.id = 'foo'
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state.text = 'bar'
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await nextTick()
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const updateOps = dumpOps()
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expect(updateOps.length).toBe(2)
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expect(updateOps[0]).toEqual({
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type: NodeOpTypes.PATCH,
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targetNode: root.children[0],
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propKey: 'id',
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propPrevValue: 'test',
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propNextValue: 'foo'
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})
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expect(updateOps[1]).toEqual({
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type: NodeOpTypes.SET_TEXT,
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targetNode: (root.children[0] as TestElement).children[0],
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text: 'bar'
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})
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})
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it('should be able to serialize nodes', () => {
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class App extends Component {
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render() {
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return h(
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'div',
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{
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id: 'test'
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},
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'hello'
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)
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}
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}
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const root = nodeOps.createElement('div')
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render(h(App), root)
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expect(serialize(root)).toEqual(`<div><div id="test">hello</div></div>`)
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expect(serialize(root, 2)).toEqual(
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`<div>
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<div id="test">
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hello
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</div>
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</div>`
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)
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})
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})
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