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0

When I want to mock a file ./a.tsx, I have to create a file __mocks__/a.tsx. But I want to set the filename to like a ./a.mock.tsx.

So I use this pattern in test files.

jest.mock('./a', () => require('./a.mock'));

But That's quite inconvenient, So is there any configuration for this like snapshotResolver or testRegex? Thanks for reading :D

jestjs

share|improve this question

edited Mar 24 at 14:23

Juan Rivas

386210

asked Mar 24 at 11:44

left clickleft click

308211

add a comment | 

0

When I want to mock a file ./a.tsx, I have to create a file __mocks__/a.tsx. But I want to set the filename to like a ./a.mock.tsx.

So I use this pattern in test files.

jest.mock('./a', () => require('./a.mock'));

But That's quite inconvenient, So is there any configuration for this like snapshotResolver or testRegex? Thanks for reading :D

jestjs

share|improve this question

edited Mar 24 at 14:23

Juan Rivas

386210

asked Mar 24 at 11:44

left clickleft click

308211

add a comment | 

When I want to mock a file ./a.tsx, I have to create a file __mocks__/a.tsx. But I want to set the filename to like a ./a.mock.tsx.

So I use this pattern in test files.

jest.mock('./a', () => require('./a.mock'));

But That's quite inconvenient, So is there any configuration for this like snapshotResolver or testRegex? Thanks for reading :D

jestjs

share|improve this question

edited Mar 24 at 14:23

Juan Rivas

386210

asked Mar 24 at 11:44

left clickleft click

308211

jest.mock('./a', () => require('./a.mock'));

share|improve this question

edited Mar 24 at 14:23

Juan Rivas

386210

asked Mar 24 at 11:44

left clickleft click

308211

share|improve this question

edited Mar 24 at 14:23

Juan Rivas

386210

asked Mar 24 at 11:44

left clickleft click

308211

edited Mar 24 at 14:23

Juan Rivas

386210

edited Mar 24 at 14:23

Juan Rivas

386210

asked Mar 24 at 11:44

left clickleft click

308211

asked Mar 24 at 11:44

left clickleft click

308211

1 Answer
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1

Jest is not providing any resolver configuration for mock regex patterns at the moment. What you can do instead is creating your own automatic mock classes, as they explain in the documentation.

import AutomaticMock from './a.mock';
jest.mock('./a.mock'); 

beforeEach(() => 
 AutomaticMock.mockClear();
);

it('Create an instance of my AutomaticMock', () => 
 const mock = new AutomaticMock();
 expect(AutomaticMock).toHaveBeenCalledTimes(1);
);

it('Clear any instances of my AutomaticMock', () => 
 expect(AutomaticMock).not.toHaveBeenCalled();
);

Keep in mind that the moment you call jest.mock('./a.mock') this is creating a mock instance of your class that replaces all of its methods with mock functions that always return undefined.

share|improve this answer

edited Mar 24 at 14:57

answered Mar 24 at 14:51

Juan RivasJuan Rivas

386210

add a comment | 

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1

Jest is not providing any resolver configuration for mock regex patterns at the moment. What you can do instead is creating your own automatic mock classes, as they explain in the documentation.

import AutomaticMock from './a.mock';
jest.mock('./a.mock'); 

beforeEach(() => 
 AutomaticMock.mockClear();
);

it('Create an instance of my AutomaticMock', () => 
 const mock = new AutomaticMock();
 expect(AutomaticMock).toHaveBeenCalledTimes(1);
);

it('Clear any instances of my AutomaticMock', () => 
 expect(AutomaticMock).not.toHaveBeenCalled();
);

Keep in mind that the moment you call jest.mock('./a.mock') this is creating a mock instance of your class that replaces all of its methods with mock functions that always return undefined.

share|improve this answer

edited Mar 24 at 14:57

answered Mar 24 at 14:51

Juan RivasJuan Rivas

386210

add a comment | 

1

Jest is not providing any resolver configuration for mock regex patterns at the moment. What you can do instead is creating your own automatic mock classes, as they explain in the documentation.

import AutomaticMock from './a.mock';
jest.mock('./a.mock'); 

beforeEach(() => 
 AutomaticMock.mockClear();
);

it('Create an instance of my AutomaticMock', () => 
 const mock = new AutomaticMock();
 expect(AutomaticMock).toHaveBeenCalledTimes(1);
);

it('Clear any instances of my AutomaticMock', () => 
 expect(AutomaticMock).not.toHaveBeenCalled();
);

Keep in mind that the moment you call jest.mock('./a.mock') this is creating a mock instance of your class that replaces all of its methods with mock functions that always return undefined.

share|improve this answer

edited Mar 24 at 14:57

answered Mar 24 at 14:51

Juan RivasJuan Rivas

386210

add a comment | 

Jest is not providing any resolver configuration for mock regex patterns at the moment. What you can do instead is creating your own automatic mock classes, as they explain in the documentation.

import AutomaticMock from './a.mock';
jest.mock('./a.mock'); 

beforeEach(() => 
 AutomaticMock.mockClear();
);

it('Create an instance of my AutomaticMock', () => 
 const mock = new AutomaticMock();
 expect(AutomaticMock).toHaveBeenCalledTimes(1);
);

it('Clear any instances of my AutomaticMock', () => 
 expect(AutomaticMock).not.toHaveBeenCalled();
);

Keep in mind that the moment you call jest.mock('./a.mock') this is creating a mock instance of your class that replaces all of its methods with mock functions that always return undefined.

share|improve this answer

edited Mar 24 at 14:57

answered Mar 24 at 14:51

Juan RivasJuan Rivas

386210

import AutomaticMock from './a.mock';
jest.mock('./a.mock'); 

beforeEach(() => 
 AutomaticMock.mockClear();
);

it('Create an instance of my AutomaticMock', () => 
 const mock = new AutomaticMock();
 expect(AutomaticMock).toHaveBeenCalledTimes(1);
);

it('Clear any instances of my AutomaticMock', () => 
 expect(AutomaticMock).not.toHaveBeenCalled();
);

share|improve this answer

edited Mar 24 at 14:57

answered Mar 24 at 14:51

Juan RivasJuan Rivas

386210

answered Mar 24 at 14:51

Juan RivasJuan Rivas

386210

answered Mar 24 at 14:51

Juan RivasJuan Rivas

386210