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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| import '@testing-library/jest-dom'; | ||
| import * as warning from './src/utils/warning'; | ||
|
|
||
| beforeEach(() => { | ||
| if (console.error.mockRestore) { | ||
| console.error.mockRestore(); | ||
| } | ||
|
|
||
| if (console.warn.mockRestore) { | ||
| console.warn.mockRestore(); | ||
| } | ||
|
|
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| if (warning.warning.mockRestore) { | ||
| warning.warning.mockRestore(); | ||
| } | ||
|
|
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| jest.spyOn(console, 'error').mockImplementation(() => {}); | ||
| jest.spyOn(console, 'warn').mockImplementation(() => {}); | ||
| jest.spyOn(warning, 'warning').mockImplementation(() => {}); | ||
|
|
||
| warning.resetCodeCache(); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,209 @@ | ||
| import React, { useRef } from 'react'; | ||
| import '@testing-library/jest-dom'; | ||
| import { render, act, fireEvent, screen } from '@testing-library/react'; | ||
| import { | ||
| FocusRoot, | ||
| FocusNode, | ||
| useSetFocus, | ||
| useFocusStoreDangerously, | ||
| } from './index'; | ||
| import { warning } from './utils/warning'; | ||
|
|
||
| describe('FocusNode', () => { | ||
| it('warns when there is no FocusRoot', () => { | ||
| function TestComponent() { | ||
| return ( | ||
| <> | ||
| <FocusNode focusId="nodeA" data-testid="nodeA" /> | ||
| </> | ||
| ); | ||
| } | ||
|
|
||
| expect(() => { | ||
| render(<TestComponent />); | ||
| }).toThrow(); | ||
|
|
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| expect(warning).toHaveBeenCalledTimes(2); | ||
| expect(warning.mock.calls[0][1]).toEqual('NO_FOCUS_PROVIDER_DETECTED'); | ||
| // Note: I'm not entirely sure why the warning is called twice in this test...but that's OK | ||
| expect(warning.mock.calls[1][1]).toEqual('NO_FOCUS_PROVIDER_DETECTED'); | ||
| }); | ||
|
|
||
| describe('focusId', () => { | ||
| it('uses the ID that you provide', () => { | ||
| let focusStore; | ||
|
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| function TestComponent() { | ||
| focusStore = useFocusStoreDangerously(); | ||
|
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| return ( | ||
| <> | ||
| <FocusNode focusId="nodeA" /> | ||
| <FocusNode focusId="nodeB" /> | ||
| </> | ||
| ); | ||
| } | ||
|
|
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| render( | ||
| <FocusRoot> | ||
| <TestComponent /> | ||
| </FocusRoot> | ||
| ); | ||
|
|
||
| expect(focusStore.getState().focusedNodeId).toBe('nodeA'); | ||
| }); | ||
|
|
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| it('generates its own ID when one is not provided', () => { | ||
| let focusStore; | ||
|
|
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| function TestComponent() { | ||
| focusStore = useFocusStoreDangerously(); | ||
|
|
||
| return ( | ||
| <> | ||
| <FocusNode data-testid="nodeA" /> | ||
| <FocusNode focusId="nodeB" data-testid="nodeB" /> | ||
| </> | ||
| ); | ||
| } | ||
|
|
||
| render( | ||
| <FocusRoot> | ||
| <TestComponent /> | ||
| </FocusRoot> | ||
| ); | ||
|
|
||
| expect(typeof focusStore.getState().focusedNodeId === 'string').toBe( | ||
| true | ||
| ); | ||
| }); | ||
|
|
||
| it('warns if an invalid ID is passed, but still generates a valid one', () => { | ||
| let focusStore; | ||
|
|
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| function TestComponent() { | ||
| focusStore = useFocusStoreDangerously(); | ||
|
|
||
| return ( | ||
| <> | ||
| <FocusNode focusId={{ pasta: 'yum' }} /> | ||
| <FocusNode focusId="nodeB" /> | ||
| </> | ||
| ); | ||
| } | ||
|
|
||
| render( | ||
| <FocusRoot> | ||
| <TestComponent /> | ||
| </FocusRoot> | ||
| ); | ||
|
|
||
| expect(typeof focusStore.getState().focusedNodeId === 'string').toBe( | ||
| true | ||
| ); | ||
|
|
||
| expect(warning).toHaveBeenCalledTimes(1); | ||
| expect(warning.mock.calls[0][1]).toEqual('INVALID_FOCUS_ID_PASSED'); | ||
| }); | ||
|
|
||
| it('warns if the ID "root" is passed in, but still generates a valid one', () => { | ||
| let focusStore; | ||
|
|
||
| function TestComponent() { | ||
| focusStore = useFocusStoreDangerously(); | ||
|
|
||
| return ( | ||
| <> | ||
| <FocusNode focusId="root" /> | ||
| <FocusNode focusId="nodeB" /> | ||
| </> | ||
| ); | ||
| } | ||
|
|
||
| render( | ||
| <FocusRoot> | ||
| <TestComponent /> | ||
| </FocusRoot> | ||
| ); | ||
|
|
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| expect(typeof focusStore.getState().focusedNodeId === 'string').toBe( | ||
| true | ||
| ); | ||
|
|
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| expect(focusStore.getState().focusedNodeId).not.toBe('root'); | ||
|
|
||
| expect(warning).toHaveBeenCalledTimes(1); | ||
| expect(warning.mock.calls[0][1]).toEqual('ROOT_ID_WAS_PASSED'); | ||
| }); | ||
| }); | ||
|
|
||
| describe('propsFromNode', () => { | ||
| it('allows you to pass props based on the node', () => { | ||
| let focusStore; | ||
| let setFocus; | ||
|
|
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| function TestComponent() { | ||
| focusStore = useFocusStoreDangerously(); | ||
| setFocus = useSetFocus(); | ||
|
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| return ( | ||
| <> | ||
| <FocusNode | ||
| focusId="nodeA" | ||
| data-testid="nodeA" | ||
| propsFromNode={(node) => { | ||
| return { | ||
| className: node.isFocused ? 'sandwiches' : 'spaghetti', | ||
| }; | ||
| }} | ||
| /> | ||
| <FocusNode focusId="nodeB" /> | ||
| </> | ||
| ); | ||
| } | ||
|
|
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| render( | ||
| <FocusRoot> | ||
| <TestComponent /> | ||
| </FocusRoot> | ||
| ); | ||
|
|
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| expect(focusStore.getState().focusedNodeId).toBe('nodeA'); | ||
| let nodeA = screen.getByTestId('nodeA'); | ||
| expect(nodeA).toHaveClass('sandwiches'); | ||
|
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| act(() => setFocus('nodeB')); | ||
|
|
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| expect(nodeA).toHaveClass('spaghetti'); | ||
| }); | ||
| }); | ||
|
|
||
| describe('ref', () => { | ||
| it('allows you to pass a ref', () => { | ||
| let focusStore; | ||
| let elRef; | ||
|
|
||
| function TestComponent() { | ||
| focusStore = useFocusStoreDangerously(); | ||
| elRef = useRef(); | ||
|
|
||
| return ( | ||
| <> | ||
| <FocusNode focusId="nodeA" data-testid="nodeA" ref={elRef} /> | ||
| <FocusNode focusId="nodeB" /> | ||
| </> | ||
| ); | ||
| } | ||
|
|
||
| render( | ||
| <FocusRoot> | ||
| <TestComponent /> | ||
| </FocusRoot> | ||
| ); | ||
|
|
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| expect(focusStore.getState().focusedNodeId).toBe('nodeA'); | ||
| let nodeA = screen.getByTestId('nodeA'); | ||
| expect(elRef.current).toBe(nodeA); | ||
| }); | ||
| }); | ||
| }); |
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