test: refactor vFor tests
This commit is contained in:
Evan You
parent
b3b67b8c7d
commit
f0d4eec946
@ -3,18 +3,24 @@ import { transform } from '../../src/transform'
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import { transformFor } from '../../src/transforms/vFor'
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import { ForNode, NodeTypes } from '../../src/ast'
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import { ErrorCodes } from '../../src/errors'
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import { CompilerOptions } from '../../src'
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function transformWithFor(
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template: string,
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options: CompilerOptions = {}
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): ForNode {
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const node = parse(template, options)
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transform(node, { nodeTransforms: [transformFor], ...options })
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if (!options.onError) {
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expect(node.children.length).toBe(1)
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expect(node.children[0].type).toBe(NodeTypes.FOR)
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}
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return node.children[0] as ForNode
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}
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describe('compiler: transform v-for', () => {
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test('number expression', () => {
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const node = parse('<span v-for="index in 5" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor('<span v-for="index in 5" />')
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expect(forNode.keyAlias).toBeUndefined()
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expect(forNode.objectIndexAlias).toBeUndefined()
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expect(forNode.valueAlias!.content).toBe('index')
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@ -22,15 +28,7 @@ describe('compiler: transform v-for', () => {
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})
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test('value', () => {
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const node = parse('<span v-for="(item) in items" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor('<span v-for="(item) in items" />')
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expect(forNode.keyAlias).toBeUndefined()
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expect(forNode.objectIndexAlias).toBeUndefined()
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expect(forNode.valueAlias!.content).toBe('item')
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@ -38,15 +36,9 @@ describe('compiler: transform v-for', () => {
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})
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test('object de-structured value', () => {
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const node = parse('<span v-for="({ id, value }) in items" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor(
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'<span v-for="({ id, value }) in items" />'
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)
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expect(forNode.keyAlias).toBeUndefined()
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expect(forNode.objectIndexAlias).toBeUndefined()
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expect(forNode.valueAlias!.content).toBe('{ id, value }')
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@ -54,15 +46,9 @@ describe('compiler: transform v-for', () => {
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})
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test('array de-structured value', () => {
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const node = parse('<span v-for="([ id, value ]) in items" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor(
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'<span v-for="([ id, value ]) in items" />'
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)
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expect(forNode.keyAlias).toBeUndefined()
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expect(forNode.objectIndexAlias).toBeUndefined()
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expect(forNode.valueAlias!.content).toBe('[ id, value ]')
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@ -70,14 +56,7 @@ describe('compiler: transform v-for', () => {
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})
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test('value and key', () => {
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const node = parse('<span v-for="(item, key) in items" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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const forNode = transformWithFor('<span v-for="(item, key) in items" />')
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expect(forNode.keyAlias).not.toBeUndefined()
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expect(forNode.keyAlias!.content).toBe('key')
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expect(forNode.objectIndexAlias).toBeUndefined()
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@ -86,15 +65,9 @@ describe('compiler: transform v-for', () => {
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})
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test('value, key and index', () => {
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const node = parse('<span v-for="(value, key, index) in items" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor(
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'<span v-for="(value, key, index) in items" />'
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)
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expect(forNode.keyAlias).not.toBeUndefined()
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expect(forNode.keyAlias!.content).toBe('key')
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expect(forNode.objectIndexAlias).not.toBeUndefined()
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@ -104,15 +77,7 @@ describe('compiler: transform v-for', () => {
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})
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test('skipped key', () => {
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const node = parse('<span v-for="(value,,index) in items" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor('<span v-for="(value,,index) in items" />')
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expect(forNode.keyAlias).toBeUndefined()
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expect(forNode.objectIndexAlias).not.toBeUndefined()
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expect(forNode.objectIndexAlias!.content).toBe('index')
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@ -121,15 +86,7 @@ describe('compiler: transform v-for', () => {
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})
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test('skipped value and key', () => {
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const node = parse('<span v-for="(,,index) in items" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor('<span v-for="(,,index) in items" />')
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expect(forNode.keyAlias).toBeUndefined()
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expect(forNode.objectIndexAlias).not.toBeUndefined()
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expect(forNode.objectIndexAlias!.content).toBe('index')
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@ -138,15 +95,7 @@ describe('compiler: transform v-for', () => {
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})
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test('unbracketed value', () => {
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const node = parse('<span v-for="item in items" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor('<span v-for="item in items" />')
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expect(forNode.keyAlias).toBeUndefined()
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expect(forNode.objectIndexAlias).toBeUndefined()
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expect(forNode.valueAlias!.content).toBe('item')
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@ -154,15 +103,7 @@ describe('compiler: transform v-for', () => {
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})
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test('unbracketed value and key', () => {
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const node = parse('<span v-for="item, key in items" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor('<span v-for="item, key in items" />')
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expect(forNode.keyAlias).not.toBeUndefined()
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expect(forNode.keyAlias!.content).toBe('key')
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expect(forNode.objectIndexAlias).toBeUndefined()
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@ -171,15 +112,9 @@ describe('compiler: transform v-for', () => {
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})
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test('unbracketed value, key and index', () => {
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const node = parse('<span v-for="value, key, index in items" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor(
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'<span v-for="value, key, index in items" />'
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)
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expect(forNode.keyAlias).not.toBeUndefined()
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expect(forNode.keyAlias!.content).toBe('key')
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expect(forNode.objectIndexAlias).not.toBeUndefined()
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@ -189,15 +124,7 @@ describe('compiler: transform v-for', () => {
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})
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test('unbracketed skipped key', () => {
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const node = parse('<span v-for="value, , index in items" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor('<span v-for="value, , index in items" />')
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expect(forNode.keyAlias).toBeUndefined()
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expect(forNode.objectIndexAlias).not.toBeUndefined()
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expect(forNode.objectIndexAlias!.content).toBe('index')
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@ -206,15 +133,7 @@ describe('compiler: transform v-for', () => {
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})
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test('unbracketed skipped value and key', () => {
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const node = parse('<span v-for=", , index in items" />')
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor('<span v-for=", , index in items" />')
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expect(forNode.keyAlias).toBeUndefined()
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expect(forNode.objectIndexAlias).not.toBeUndefined()
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expect(forNode.objectIndexAlias!.content).toBe('index')
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@ -223,9 +142,8 @@ describe('compiler: transform v-for', () => {
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})
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test('missing expression', () => {
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const node = parse('<span v-for />')
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const onError = jest.fn()
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transform(node, { nodeTransforms: [transformFor], onError })
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transformWithFor('<span v-for />', { onError })
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expect(onError).toHaveBeenCalledTimes(1)
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expect(onError).toHaveBeenCalledWith(
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@ -236,9 +154,8 @@ describe('compiler: transform v-for', () => {
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})
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test('empty expression', () => {
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const node = parse('<span v-for="" />')
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const onError = jest.fn()
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transform(node, { nodeTransforms: [transformFor], onError })
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transformWithFor('<span v-for="" />', { onError })
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expect(onError).toHaveBeenCalledTimes(1)
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expect(onError).toHaveBeenCalledWith(
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@ -249,9 +166,8 @@ describe('compiler: transform v-for', () => {
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})
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test('invalid expression', () => {
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const node = parse('<span v-for="items" />')
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const onError = jest.fn()
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transform(node, { nodeTransforms: [transformFor], onError })
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transformWithFor('<span v-for="items" />', { onError })
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expect(onError).toHaveBeenCalledTimes(1)
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expect(onError).toHaveBeenCalledWith(
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@ -262,9 +178,8 @@ describe('compiler: transform v-for', () => {
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})
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test('missing source', () => {
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const node = parse('<span v-for="item in" />')
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const onError = jest.fn()
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transform(node, { nodeTransforms: [transformFor], onError })
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transformWithFor('<span v-for="item in" />', { onError })
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expect(onError).toHaveBeenCalledTimes(1)
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expect(onError).toHaveBeenCalledWith(
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@ -275,9 +190,8 @@ describe('compiler: transform v-for', () => {
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})
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test('missing value', () => {
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const node = parse('<span v-for="in items" />')
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const onError = jest.fn()
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transform(node, { nodeTransforms: [transformFor], onError })
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transformWithFor('<span v-for="in items" />', { onError })
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expect(onError).toHaveBeenCalledTimes(1)
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expect(onError).toHaveBeenCalledWith(
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@ -290,15 +204,7 @@ describe('compiler: transform v-for', () => {
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describe('source location', () => {
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test('value & source', () => {
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const source = '<span v-for="item in items" />'
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const node = parse(source)
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor(source)
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expect(forNode.valueAlias!.content).toBe('item')
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expect(forNode.valueAlias!.loc.start.offset).toBe(
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@ -321,15 +227,7 @@ describe('compiler: transform v-for', () => {
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test('bracketed value', () => {
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const source = '<span v-for="( item ) in items" />'
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const node = parse(source)
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor(source)
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expect(forNode.valueAlias!.content).toBe('item')
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expect(forNode.valueAlias!.loc.start.offset).toBe(
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@ -352,15 +250,7 @@ describe('compiler: transform v-for', () => {
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test('de-structured value', () => {
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const source = '<span v-for="( { id, key })in items" />'
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const node = parse(source)
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor(source)
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expect(forNode.valueAlias!.content).toBe('{ id, key }')
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expect(forNode.valueAlias!.loc.start.offset).toBe(
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@ -385,15 +275,7 @@ describe('compiler: transform v-for', () => {
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test('bracketed value, key, index', () => {
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const source = '<span v-for="( item, key, index ) in items" />'
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const node = parse(source)
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor(source)
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expect(forNode.valueAlias!.content).toBe('item')
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expect(forNode.valueAlias!.loc.start.offset).toBe(
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@ -436,15 +318,7 @@ describe('compiler: transform v-for', () => {
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test('skipped key', () => {
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const source = '<span v-for="( item,, index ) in items" />'
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const node = parse(source)
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transform(node, { nodeTransforms: [transformFor] })
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expect(node.children.length).toBe(1)
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const forNode = node.children[0] as ForNode
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expect(forNode.type).toBe(NodeTypes.FOR)
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const forNode = transformWithFor(source)
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expect(forNode.valueAlias!.content).toBe('item')
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expect(forNode.valueAlias!.loc.start.offset).toBe(
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