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90 lines
1.8 KiB
90 lines
1.8 KiB
import Vue from 'vue'
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const mergeOptions = Vue.util.mergeOptions
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describe('Options mixins', () => {
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it('vm should have options from mixin', () => {
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const mixin = {
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directives: {
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c: {}
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},
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methods: {
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a: function () {}
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}
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}
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const vm = new Vue({
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mixins: [mixin],
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methods: {
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b: function () {}
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}
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}).$mount()
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expect(vm.a).toBeDefined()
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expect(vm.b).toBeDefined()
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expect(vm.$options.directives.c).toBeDefined()
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})
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it('should call hooks from mixins first', () => {
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const a = {}
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const b = {}
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const c = {}
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const f1 = function () {}
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const f2 = function () {}
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const f3 = function () {}
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const mixinA = {
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a: 1,
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template: 'foo',
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directives: {
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a: a
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},
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created: f1
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}
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const mixinB = {
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b: 1,
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directives: {
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b: b
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},
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created: f2
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}
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const result = mergeOptions({}, {
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directives: {
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c: c
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},
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template: 'bar',
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mixins: [mixinA, mixinB],
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created: f3
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})
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expect(result.a).toBe(1)
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expect(result.b).toBe(1)
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expect(result.directives.a).toBe(a)
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expect(result.directives.b).toBe(b)
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expect(result.directives.c).toBe(c)
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expect(result.created[0]).toBe(f1)
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expect(result.created[1]).toBe(f2)
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expect(result.created[2]).toBe(f3)
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expect(result.template).toBe('bar')
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})
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it('mixin methods should not override defined method', () => {
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const f1 = function () {}
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const f2 = function () {}
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const f3 = function () {}
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const mixinA = {
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methods: {
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xyz: f1
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}
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}
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const mixinB = {
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methods: {
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xyz: f2
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}
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}
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const result = mergeOptions({}, {
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mixins: [mixinA, mixinB],
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methods: {
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xyz: f3
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}
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})
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expect(result.methods.xyz).toBe(f3)
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})
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})
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