import React from 'react';
 import Fragment from './fragment';
 import ezJson from 'enzyme-to-json';
 import {shallow} from 'enzyme';
 
 
 it("should display when state is truthy", () => {
   // given
   const state = {property : true};
   // when
 

   const wrapper = shallow(
     <Fragment state={state} filterOn="property">

       <div>Hello</div>

     </Fragment>
   );

 
   // then
   expect(ezJson(wrapper)).toMatchSnapshot();
 });
 
 it("should not display when state is falsy", () => {
   // given
   const state = {property : undefined};
   // when
 

   const wrapper = shallow(
     <Fragment state={state} filterOn="property">
       <div>Hello</div>
     </Fragment>
   );

 
   // then
   expect(ezJson(wrapper)).toEqual(null);
 });
 
 it("should handle paths in the state tree", () => {
   // given
   const state = {property : {subproperty: true}};
   // when
 

   const wrapper = shallow(
     <Fragment state={state} filterOn="property.subproperty">
       <div>Hello</div>
     </Fragment>
   );

 
   // then
   expect(ezJson(wrapper)).toMatchSnapshot();
 });
 
 it("should handle arrays in the state tree", () => {
   // given
   const state = {property : [{bar: {}}]};
   // when
 

   const wrapper = shallow(
     <Fragment state={state} filterOn="property.0.bar">
       <div>Hello</div>
     </Fragment>
   );

 
   // then
   expect(ezJson(wrapper)).toMatchSnapshot();
 });
 
 it("should be falsy if missing state tree", () => {
   // given
   const state = {property : {subproperty: true}};
 

   const wrapper = shallow(
     <Fragment state={state} filterOn="property.missingproperty.something">
       <div>Hello</div>
     </Fragment>
   );

 
   expect(ezJson(wrapper)).toEqual(null);
 
 });