API mount shallowMount render renderToString 挂载选项 context slots scopedSlots stubs mocks localVue attachToDocument attrs listeners provide sync 其它选项 Wrapper attributes classes contains emitted emittedByOrder exists destroy find findAll html is isEmpty isVueInstance name props setData setMethods setProps text trigger isVisible WrapperArray at contains exists destroy filter is isEmpty isVueInstance setData setMethods setProps trigger isVisible 组件 TransitionStub TransitionGroupStub RouterLinkStub 选择器 createLocalVue 配置