jest-mock-examples

Examples of mocking in Jest tests

Summary

When Jest Automocking Enabled

	Has __mocks__ file			No __mocks__ file
	Core	External	Local	Core	External	Local
jest.mock()	__mocks__	__mocks__	__mocks__	generated	generated	generated
jest.mock(factory)	factory	factory	factory	factory	factory	factory
jest.mock() mockFn.mockReturnValue(value)	value	value	value	value	value	value
jest.doMock()	__mocks__	__mocks__	__mocks__	generated	generated	generated
jest.doMock(factory)	factory	factory	factory	factory	factory	factory
jest.doMock() mockFn.mockReturnValue(value)	value	value	value	value	value	value
jest.unmock()	unmocked	unmocked	unmocked	unmocked	unmocked	unmocked
jest.dontMock()	unmocked	unmocked	unmocked	unmocked	unmocked	unmocked
(nothing)	unmocked	__mocks__	__mocks__	unmocked	generated	generated

When Jest Automocking Disabled

	Has __mocks__ file			No __mocks__ file
	Core	External	Local	Core	External	Local
jest.mock()	__mocks__	__mocks__	__mocks__	generated	generated	generated
jest.mock(factory)	factory	factory	factory	factory	factory	factory
jest.mock() mockFn.mockReturnValue(value)	value	value	value	value	value	value
jest.doMock()	__mocks__	__mocks__	__mocks__	generated	generated	generated
jest.doMock(factory)	factory	factory	factory	factory	factory	factory
jest.doMock() mockFn.mockReturnValue(value)	value	value	value	value	value	value
jest.unmock()	unmocked	unmocked	unmocked	unmocked	unmocked	unmocked
jest.dontMock()	unmocked	unmocked	unmocked	unmocked	unmocked	unmocked
(nothing)	unmocked	__mocks__	unmocked	unmocked	unmocked	unmocked