Reactjs 开玩笑/不认识道具
我正在尝试为使用Redux和hook的React功能组件编写一个测试 我正在用Jest和酶进行测试 供参考:Reactjs 开玩笑/不认识道具,reactjs,redux,jestjs,react-hooks,enzyme,Reactjs,Redux,Jestjs,React Hooks,Enzyme,我正在尝试为使用Redux和hook的React功能组件编写一个测试 我正在用Jest和酶进行测试 供参考: import React from 'react'; import {useDispatch, useSelector} from "react-redux"; import * as actions from '../../actions/actions'; import { Button, Icon } from "@material-ui/core"; export const
import React from 'react';
import {useDispatch, useSelector} from "react-redux";
import * as actions from '../../actions/actions';
import { Button, Icon } from "@material-ui/core";
export const EditBatchHeaderComponent = (props) => {
const dispatch = useDispatch();
const { selectedBatch } = props;
const { batchName } = selectedBatch;
return (
<div className="edit-header-container">
<Button disableRipple onClick={() => {dispatch(actions.unSelectBatch())} }>
<Icon>arrow_back</Icon>
</Button>
<span>Edit Batch</span>
<span>{batchName}</span>
</div>
);
};
import React from 'react';
import { BatchHeaderComponent } from './BatchHeaderComponent';
import { BatchTableComponent } from './BatchTableComponent';
import { EditBatchComponent } from './EditBatchComponent';
import {useSelector} from "react-redux";
import {EditBatchHeaderComponent} from "./EditBatchHeaderComponent";
export const BatchManagementComponent = () => {
const { selectedBatch } = useSelector(state => state.batchManagementReducer);
if (selectedBatch.length) {
return (
<div className="component-container">
<EditBatchHeaderComponent selectedBatch={selectedBatch} />
<EditBatchComponent selectedBatch={selectedBatch} />
</div>
);
}
return (
<div className="component-container">
<BatchHeaderComponent />
<BatchTableComponent />
</div>
);
};
{
sorting: {
order: '',
orderBy: ''
},
searchBy: 'batchName',
searchText: '',
filterByStatus: '--',
filterByType: '--',
waiting: false,
batchData: [],
selectedBatch: {
batchName: '',
},
}
import React from 'react';
import { EditBatchHeaderComponent } from '../../../components/batchManagement/EditBatchHeaderComponent';
import configureStore from '../../../store';
import {Provider} from "react-redux";
import Enzyme, { mount } from "enzyme";
import Adapter from "enzyme-adapter-react-16";
import {Button} from "@material-ui/core";
Enzyme.configure({ adapter: new Adapter() });
describe('EditBatchHeaderComponent', () => {
it('mounts to the DOM successfully', () => {
const wrapper = mount(<Provider store={configureStore()}>
<EditBatchHeaderComponent />
</Provider>);
expect(wrapper.find(EditBatchHeaderComponent)).toBeDefined();
});
it('deselects the account and closes when the back button is clicked', () => {
const props = {selectedBatch: {batchName: 'INFORM'}, dispatch: jest.fn()};
const obj = {};
const wrapper = mount(
<Provider store={configureStore()}>
<EditBatchHeaderComponent {...props} />
</Provider>
);
console.log(wrapper.find(EditBatchHeaderComponent).props());
wrapper.find(Button).first().simulate('click');
expect(wrapper.find(EditBatchHeaderComponent)).toEqual(obj);
});
});
FAIL src/spec/components/batchManagement/EditBatchHeaderComponent.test.js (7.182s)
● EditBatchHeaderComponent › mounts to the DOM successfully
TypeError: Cannot read property 'batchName' of undefined
8 | const dispatch = useDispatch();
9 | const { selectedBatch } = props;
> 10 | const { batchName } = selectedBatch;
| ^
11 | return (
12 | <div className="edit-header-container">
13 | <Button disableRipple onClick={() => {dispatch(actions.unSelectBatch())} }>
这是正在测试的功能组件:
import React from 'react';
import {useDispatch, useSelector} from "react-redux";
import * as actions from '../../actions/actions';
import { Button, Icon } from "@material-ui/core";
export const EditBatchHeaderComponent = (props) => {
const dispatch = useDispatch();
const { selectedBatch } = props;
const { batchName } = selectedBatch;
return (
<div className="edit-header-container">
<Button disableRipple onClick={() => {dispatch(actions.unSelectBatch())} }>
<Icon>arrow_back</Icon>
</Button>
<span>Edit Batch</span>
<span>{batchName}</span>
</div>
);
};
import React from 'react';
import { BatchHeaderComponent } from './BatchHeaderComponent';
import { BatchTableComponent } from './BatchTableComponent';
import { EditBatchComponent } from './EditBatchComponent';
import {useSelector} from "react-redux";
import {EditBatchHeaderComponent} from "./EditBatchHeaderComponent";
export const BatchManagementComponent = () => {
const { selectedBatch } = useSelector(state => state.batchManagementReducer);
if (selectedBatch.length) {
return (
<div className="component-container">
<EditBatchHeaderComponent selectedBatch={selectedBatch} />
<EditBatchComponent selectedBatch={selectedBatch} />
</div>
);
}
return (
<div className="component-container">
<BatchHeaderComponent />
<BatchTableComponent />
</div>
);
};
{
sorting: {
order: '',
orderBy: ''
},
searchBy: 'batchName',
searchText: '',
filterByStatus: '--',
filterByType: '--',
waiting: false,
batchData: [],
selectedBatch: {
batchName: '',
},
}
import React from 'react';
import { EditBatchHeaderComponent } from '../../../components/batchManagement/EditBatchHeaderComponent';
import configureStore from '../../../store';
import {Provider} from "react-redux";
import Enzyme, { mount } from "enzyme";
import Adapter from "enzyme-adapter-react-16";
import {Button} from "@material-ui/core";
Enzyme.configure({ adapter: new Adapter() });
describe('EditBatchHeaderComponent', () => {
it('mounts to the DOM successfully', () => {
const wrapper = mount(<Provider store={configureStore()}>
<EditBatchHeaderComponent />
</Provider>);
expect(wrapper.find(EditBatchHeaderComponent)).toBeDefined();
});
it('deselects the account and closes when the back button is clicked', () => {
const props = {selectedBatch: {batchName: 'INFORM'}, dispatch: jest.fn()};
const obj = {};
const wrapper = mount(
<Provider store={configureStore()}>
<EditBatchHeaderComponent {...props} />
</Provider>
);
console.log(wrapper.find(EditBatchHeaderComponent).props());
wrapper.find(Button).first().simulate('click');
expect(wrapper.find(EditBatchHeaderComponent)).toEqual(obj);
});
});
FAIL src/spec/components/batchManagement/EditBatchHeaderComponent.test.js (7.182s)
● EditBatchHeaderComponent › mounts to the DOM successfully
TypeError: Cannot read property 'batchName' of undefined
8 | const dispatch = useDispatch();
9 | const { selectedBatch } = props;
> 10 | const { batchName } = selectedBatch;
| ^
11 | return (
12 | <div className="edit-header-container">
13 | <Button disableRipple onClick={() => {dispatch(actions.unSelectBatch())} }>
这是无法识别道具的测试文件:
import React from 'react';
import {useDispatch, useSelector} from "react-redux";
import * as actions from '../../actions/actions';
import { Button, Icon } from "@material-ui/core";
export const EditBatchHeaderComponent = (props) => {
const dispatch = useDispatch();
const { selectedBatch } = props;
const { batchName } = selectedBatch;
return (
<div className="edit-header-container">
<Button disableRipple onClick={() => {dispatch(actions.unSelectBatch())} }>
<Icon>arrow_back</Icon>
</Button>
<span>Edit Batch</span>
<span>{batchName}</span>
</div>
);
};
import React from 'react';
import { BatchHeaderComponent } from './BatchHeaderComponent';
import { BatchTableComponent } from './BatchTableComponent';
import { EditBatchComponent } from './EditBatchComponent';
import {useSelector} from "react-redux";
import {EditBatchHeaderComponent} from "./EditBatchHeaderComponent";
export const BatchManagementComponent = () => {
const { selectedBatch } = useSelector(state => state.batchManagementReducer);
if (selectedBatch.length) {
return (
<div className="component-container">
<EditBatchHeaderComponent selectedBatch={selectedBatch} />
<EditBatchComponent selectedBatch={selectedBatch} />
</div>
);
}
return (
<div className="component-container">
<BatchHeaderComponent />
<BatchTableComponent />
</div>
);
};
{
sorting: {
order: '',
orderBy: ''
},
searchBy: 'batchName',
searchText: '',
filterByStatus: '--',
filterByType: '--',
waiting: false,
batchData: [],
selectedBatch: {
batchName: '',
},
}
import React from 'react';
import { EditBatchHeaderComponent } from '../../../components/batchManagement/EditBatchHeaderComponent';
import configureStore from '../../../store';
import {Provider} from "react-redux";
import Enzyme, { mount } from "enzyme";
import Adapter from "enzyme-adapter-react-16";
import {Button} from "@material-ui/core";
Enzyme.configure({ adapter: new Adapter() });
describe('EditBatchHeaderComponent', () => {
it('mounts to the DOM successfully', () => {
const wrapper = mount(<Provider store={configureStore()}>
<EditBatchHeaderComponent />
</Provider>);
expect(wrapper.find(EditBatchHeaderComponent)).toBeDefined();
});
it('deselects the account and closes when the back button is clicked', () => {
const props = {selectedBatch: {batchName: 'INFORM'}, dispatch: jest.fn()};
const obj = {};
const wrapper = mount(
<Provider store={configureStore()}>
<EditBatchHeaderComponent {...props} />
</Provider>
);
console.log(wrapper.find(EditBatchHeaderComponent).props());
wrapper.find(Button).first().simulate('click');
expect(wrapper.find(EditBatchHeaderComponent)).toEqual(obj);
});
});
FAIL src/spec/components/batchManagement/EditBatchHeaderComponent.test.js (7.182s)
● EditBatchHeaderComponent › mounts to the DOM successfully
TypeError: Cannot read property 'batchName' of undefined
8 | const dispatch = useDispatch();
9 | const { selectedBatch } = props;
> 10 | const { batchName } = selectedBatch;
| ^
11 | return (
12 | <div className="edit-header-container">
13 | <Button disableRipple onClick={() => {dispatch(actions.unSelectBatch())} }>
从“React”导入React;
从“../../../components/batchManagement/EditBatchHeaderComponent”导入{EditBatchHeaderComponent};
从“../../../store”导入configureStore;
从“react redux”导入{Provider};
从“酶”中导入酶,{mount};
从“酶-适配器-反应-16”导入适配器;
从“@material ui/core”导入{Button}”;
configure({adapter:newadapter()});
描述('EditBatchHeaderComponent',()=>{
它('成功装载到DOM',()=>{
常量包装器=装入(
);
expect(wrapper.find(EditBatchHeaderComponent)).toBeDefined();
});
它('取消选择帐户并在单击后退按钮时关闭',()=>{
const props={selectedBatch:{batchName:'INFORM'},dispatch:jest.fn()};
常量obj={};
常量包装器=装入(
);
log(wrapper.find(EditBatchHeaderComponent.props());
wrapper.find(Button.first().simulate('click');
expect(wrapper.find(editbackheadercomponent)).toEqual(obj);
});
});
这是测试套件提供的错误文本:
import React from 'react';
import {useDispatch, useSelector} from "react-redux";
import * as actions from '../../actions/actions';
import { Button, Icon } from "@material-ui/core";
export const EditBatchHeaderComponent = (props) => {
const dispatch = useDispatch();
const { selectedBatch } = props;
const { batchName } = selectedBatch;
return (
<div className="edit-header-container">
<Button disableRipple onClick={() => {dispatch(actions.unSelectBatch())} }>
<Icon>arrow_back</Icon>
</Button>
<span>Edit Batch</span>
<span>{batchName}</span>
</div>
);
};
import React from 'react';
import { BatchHeaderComponent } from './BatchHeaderComponent';
import { BatchTableComponent } from './BatchTableComponent';
import { EditBatchComponent } from './EditBatchComponent';
import {useSelector} from "react-redux";
import {EditBatchHeaderComponent} from "./EditBatchHeaderComponent";
export const BatchManagementComponent = () => {
const { selectedBatch } = useSelector(state => state.batchManagementReducer);
if (selectedBatch.length) {
return (
<div className="component-container">
<EditBatchHeaderComponent selectedBatch={selectedBatch} />
<EditBatchComponent selectedBatch={selectedBatch} />
</div>
);
}
return (
<div className="component-container">
<BatchHeaderComponent />
<BatchTableComponent />
</div>
);
};
{
sorting: {
order: '',
orderBy: ''
},
searchBy: 'batchName',
searchText: '',
filterByStatus: '--',
filterByType: '--',
waiting: false,
batchData: [],
selectedBatch: {
batchName: '',
},
}
import React from 'react';
import { EditBatchHeaderComponent } from '../../../components/batchManagement/EditBatchHeaderComponent';
import configureStore from '../../../store';
import {Provider} from "react-redux";
import Enzyme, { mount } from "enzyme";
import Adapter from "enzyme-adapter-react-16";
import {Button} from "@material-ui/core";
Enzyme.configure({ adapter: new Adapter() });
describe('EditBatchHeaderComponent', () => {
it('mounts to the DOM successfully', () => {
const wrapper = mount(<Provider store={configureStore()}>
<EditBatchHeaderComponent />
</Provider>);
expect(wrapper.find(EditBatchHeaderComponent)).toBeDefined();
});
it('deselects the account and closes when the back button is clicked', () => {
const props = {selectedBatch: {batchName: 'INFORM'}, dispatch: jest.fn()};
const obj = {};
const wrapper = mount(
<Provider store={configureStore()}>
<EditBatchHeaderComponent {...props} />
</Provider>
);
console.log(wrapper.find(EditBatchHeaderComponent).props());
wrapper.find(Button).first().simulate('click');
expect(wrapper.find(EditBatchHeaderComponent)).toEqual(obj);
});
});
FAIL src/spec/components/batchManagement/EditBatchHeaderComponent.test.js (7.182s)
● EditBatchHeaderComponent › mounts to the DOM successfully
TypeError: Cannot read property 'batchName' of undefined
8 | const dispatch = useDispatch();
9 | const { selectedBatch } = props;
> 10 | const { batchName } = selectedBatch;
| ^
11 | return (
12 | <div className="edit-header-container">
13 | <Button disableRipple onClick={() => {dispatch(actions.unSelectBatch())} }>
src/spec/components/batchManagement/EditBatchHeaderComponent.test.js(7.182s)失败
● EditBatchHeaderComponent›成功装载到DOM
TypeError:无法读取未定义的属性“batchName”
8 | const dispatch=useDispatch();
9 | const{selectedBatch}=props;
>10 | const{batchName}=selectedBatch;
| ^
11 |返回(
12 |
13 |{dispatch(actions.unSelectBatch())}>
我在一个类似的组件上运行了一个几乎相同的测试,该组件运行并适当地覆盖了代码。
我似乎不明白为什么道具没有被认出来
非常感谢您的帮助。当您直接测试不依赖于状态的组件时,为什么要使用
提供程序
?您可以通过道具(就像您在第二次测试中所做的那样)哦,哇,我一定是代码盲了。我确信这是第二次测试失败,而不是第一次。谢谢!