wip: tests for global api compat

packages/runtime-core/src/compat/__tests__/global.spec.ts

@@ -1,21 +1,335 @@
 import Vue from '@vue/compat'
+import { effect, isReactive } from '@vue/reactivity'
+import {
+  DeprecationTypes,
+  deprecationData,
+  toggleDeprecationWarning
+} from '../compatConfig'
 
-describe('compat: global API', () => {
-  beforeEach(() => Vue.configureCompat({ MODE: 2 }))
-  afterEach(() => Vue.configureCompat({ MODE: 3 }))
+beforeEach(() => {
+  Vue.configureCompat({ MODE: 2 })
+})
+
+afterEach(() => {
+  Vue.configureCompat({ MODE: 3 })
+  toggleDeprecationWarning(false)
+})
+
+describe('GLOBAL_MOUNT', () => {
+  test('new Vue() with el', () => {
+    toggleDeprecationWarning(true)
 
-  test('should work', () => {
     const el = document.createElement('div')
     el.innerHTML = `{{ msg }}`
     new Vue({
       el,
+      compatConfig: { GLOBAL_MOUNT: true },
       data() {
         return {
           msg: 'hello'
         }
       }
     })
-    expect('global app bootstrapping API has changed').toHaveBeenWarned()
+    expect(
+      deprecationData[DeprecationTypes.GLOBAL_MOUNT].message
+    ).toHaveBeenWarned()
     expect(el.innerHTML).toBe('hello')
   })
+
+  test('new Vue() + $mount', () => {
+    const el = document.createElement('div')
+    el.innerHTML = `{{ msg }}`
+    new Vue({
+      data() {
+        return {
+          msg: 'hello'
+        }
+      }
+    }).$mount(el)
+    expect(el.innerHTML).toBe('hello')
+  })
+})
+
+describe('GLOBAL_MOUNT_CONTAINER', () => {
+  test('should warn', () => {
+    toggleDeprecationWarning(true)
+
+    const el = document.createElement('div')
+    el.innerHTML = `test`
+    el.setAttribute('v-bind:id', 'foo')
+    new Vue().$mount(el)
+    // warning only
+    expect(
+      deprecationData[DeprecationTypes.GLOBAL_MOUNT].message
+    ).toHaveBeenWarned()
+    expect(
+      deprecationData[DeprecationTypes.GLOBAL_MOUNT_CONTAINER].message
+    ).toHaveBeenWarned()
+  })
+})
+
+describe('GLOBAL_EXTEND', () => {
+  // https://github.com/vuejs/vue/blob/dev/test/unit/features/global-api/extend.spec.js
+  it('should correctly merge options', () => {
+    toggleDeprecationWarning(true)
+
+    const Test = Vue.extend({
+      name: 'test',
+      a: 1,
+      b: 2
+    })
+    expect(Test.options.a).toBe(1)
+    expect(Test.options.b).toBe(2)
+    expect(Test.super).toBe(Vue)
+    const t = new Test({
+      a: 2
+    })
+    expect(t.$options.a).toBe(2)
+    expect(t.$options.b).toBe(2)
+    // inheritance
+    const Test2 = Test.extend({
+      a: 2
+    })
+    expect(Test2.options.a).toBe(2)
+    expect(Test2.options.b).toBe(2)
+    const t2 = new Test2({
+      a: 3
+    })
+    expect(t2.$options.a).toBe(3)
+    expect(t2.$options.b).toBe(2)
+
+    expect(
+      deprecationData[DeprecationTypes.GLOBAL_MOUNT].message
+    ).toHaveBeenWarned()
+    expect(
+      deprecationData[DeprecationTypes.GLOBAL_EXTEND].message
+    ).toHaveBeenWarned()
+  })
+
+  it('should work when used as components', () => {
+    const foo = Vue.extend({
+      template: '<span>foo</span>'
+    })
+    const bar = Vue.extend({
+      template: '<span>bar</span>'
+    })
+    const vm = new Vue({
+      template: '<div><foo></foo><bar></bar></div>',
+      components: { foo, bar }
+    }).$mount()
+    expect(vm.$el.innerHTML).toBe('<span>foo</span><span>bar</span>')
+  })
+
+  it('should merge lifecycle hooks', () => {
+    const calls: number[] = []
+    const A = Vue.extend({
+      created() {
+        calls.push(1)
+      }
+    })
+    const B = A.extend({
+      created() {
+        calls.push(2)
+      }
+    })
+    new B({
+      created() {
+        calls.push(3)
+      }
+    })
+    expect(calls).toEqual([1, 2, 3])
+  })
+
+  it('should not merge nested mixins created with Vue.extend', () => {
+    const A = Vue.extend({
+      created: () => {}
+    })
+    const B = Vue.extend({
+      mixins: [A],
+      created: () => {}
+    })
+    const C = Vue.extend({
+      extends: B,
+      created: () => {}
+    })
+    const D = Vue.extend({
+      mixins: [C],
+      created: () => {}
+    })
+    expect(D.options.created!.length).toBe(4)
+  })
+
+  it('should merge methods', () => {
+    const A = Vue.extend({
+      methods: {
+        a() {
+          return this.n
+        }
+      }
+    })
+    const B = A.extend({
+      methods: {
+        b() {
+          return this.n + 1
+        }
+      }
+    })
+    const b = new B({
+      data: () => ({ n: 0 }),
+      methods: {
+        c() {
+          return this.n + 2
+        }
+      }
+    }) as any
+    expect(b.a()).toBe(0)
+    expect(b.b()).toBe(1)
+    expect(b.c()).toBe(2)
+  })
+
+  it('should merge assets', () => {
+    const A = Vue.extend({
+      components: {
+        aa: {
+          template: '<div>A</div>'
+        }
+      }
+    })
+    const B = A.extend({
+      components: {
+        bb: {
+          template: '<div>B</div>'
+        }
+      }
+    })
+    const b = new B({
+      template: '<div><aa></aa><bb></bb></div>'
+    }).$mount()
+    expect(b.$el.innerHTML).toBe('<div>A</div><div>B</div>')
+  })
+
+  it('caching', () => {
+    const options = {
+      template: '<div></div>'
+    }
+    const A = Vue.extend(options)
+    const B = Vue.extend(options)
+    expect(A).toBe(B)
+  })
+
+  it('extended options should use different identify from parent', () => {
+    const A = Vue.extend({ computed: {} })
+    const B = A.extend()
+    B.options.computed.b = () => 'foo'
+    expect(B.options.computed).not.toBe(A.options.computed)
+    expect(A.options.computed.b).toBeUndefined()
+  })
+})
+
+describe('GLOBAL_PROTOTYPE', () => {
+  test('plain properties', () => {
+    toggleDeprecationWarning(true)
+    Vue.prototype.$test = 1
+    const vm = new Vue() as any
+    expect(vm.$test).toBe(1)
+    delete Vue.prototype.$test
+    expect(
+      deprecationData[DeprecationTypes.GLOBAL_MOUNT].message
+    ).toHaveBeenWarned()
+    expect(
+      deprecationData[DeprecationTypes.GLOBAL_PROTOTYPE].message
+    ).toHaveBeenWarned()
+  })
+
+  test('method this context', () => {
+    Vue.prototype.$test = function() {
+      return this.msg
+    }
+    const vm = new Vue({
+      data() {
+        return { msg: 'method' }
+      }
+    }) as any
+    expect(vm.$test()).toBe('method')
+    delete Vue.prototype.$test
+  })
+
+  test('defined properties', () => {
+    Object.defineProperty(Vue.prototype, '$test', {
+      configurable: true,
+      get() {
+        return this.msg
+      }
+    })
+    const vm = new Vue({
+      data() {
+        return { msg: 'getter' }
+      }
+    }) as any
+    expect(vm.$test).toBe('getter')
+    delete Vue.prototype.$test
+  })
+
+  test('extended prototype', async () => {
+    const Foo = Vue.extend()
+    Foo.prototype.$test = 1
+    const vm = new Foo() as any
+    expect(vm.$test).toBe(1)
+    const plain = new Vue() as any
+    expect(plain.$test).toBeUndefined()
+  })
+})
+
+describe('GLOBAL_SET/DELETE', () => {
+  test('set', () => {
+    toggleDeprecationWarning(true)
+    const obj: any = {}
+    Vue.set(obj, 'foo', 1)
+    expect(obj.foo).toBe(1)
+    expect(
+      deprecationData[DeprecationTypes.GLOBAL_SET].message
+    ).toHaveBeenWarned()
+  })
+
+  test('delete', () => {
+    toggleDeprecationWarning(true)
+    const obj: any = { foo: 1 }
+    Vue.delete(obj, 'foo')
+    expect('foo' in obj).toBe(false)
+    expect(
+      deprecationData[DeprecationTypes.GLOBAL_DELETE].message
+    ).toHaveBeenWarned()
+  })
+})
+
+describe('GLOBAL_OBSERVABLE', () => {
+  test('should work', () => {
+    toggleDeprecationWarning(true)
+    const obj = Vue.observable({})
+    expect(isReactive(obj)).toBe(true)
+    expect(
+      deprecationData[DeprecationTypes.GLOBAL_OBSERVABLE].message
+    ).toHaveBeenWarned()
+  })
+})
+
+describe('GLOBAL_PRIVATE_UTIL', () => {
+  test('defineReactive', () => {
+    toggleDeprecationWarning(true)
+    const obj: any = {}
+    // @ts-ignore
+    Vue.util.defineReactive(obj, 'test', 1)
+
+    let n
+    effect(() => {
+      n = obj.test
+    })
+    expect(n).toBe(1)
+    obj.test++
+    expect(n).toBe(2)
+
+    expect(
+      deprecationData[DeprecationTypes.GLOBAL_PRIVATE_UTIL].message
+    ).toHaveBeenWarned()
+  })
 })