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test: useDragIndexCarousel test coverage 개선 #13

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96 changes: 96 additions & 0 deletions src/useDragIndexCarousel/_useDragIndexCarousel.test.tsx
Original file line number Diff line number Diff line change
@@ -0,0 +1,96 @@
import { renderHook, act } from '@testing-library/react';
import { _useDragIndexCarousel } from './useDragIndexCarousel';

describe('_useDragIndexCarousel 기능 테스트', () => {
it('초기 상태 테스트 index로 시작할 수 있다.', () => {
const { result } = renderHook(() => _useDragIndexCarousel(3));

expect(result.current.index).toBe(0);
});

it('index를 next, prev로 조작할 수 있다.', () => {
const { result } = renderHook(() => _useDragIndexCarousel(2));

expect(result.current.index).toBe(0);
act(() => result.current.next());
expect(result.current.index).toBe(1);
act(() => result.current.prev());
expect(result.current.index).toBe(0);
expect(result.current.isStart).toBe(true);
act(() => result.current.next());
act(() => result.current.next());
expect(result.current.isEnd).toBe(true);
});

it('모바일 터치이벤트 테스트: 절대값으로 minMove보다 많이, 오른쪽으로 슬라이드하면 index를 증가시킬 수 있다.', () => {
const { result } = renderHook(() => _useDragIndexCarousel(3, 60));
const touchEvent = { touches: [{ clientX: 0 }] };
const touchMove = { touches: [{ clientX: -100 }] };

act(() => result.current.handleTouchStart(touchEvent as unknown as TouchEvent));
act(() => result.current.handleTouchMove(touchMove as unknown as TouchEvent));
act(() => result.current.handleMoveEnd());

expect(result.current.index).toBe(1);
});

it('모바일 터치이벤트 테스트: 절대값으로 minMove보다 많이, 왼쪽으로 슬라이드하면 index를 감소시킬 수 있다.', () => {
const { result } = renderHook(() => _useDragIndexCarousel(3, 60, 1));
const touchEvent = { touches: [{ clientX: 0 }] };
const touchMove = { touches: [{ clientX: 100 }] };

act(() => result.current.handleTouchStart(touchEvent as unknown as TouchEvent));
act(() => result.current.handleTouchMove(touchMove as unknown as TouchEvent));
act(() => result.current.handleMoveEnd());

expect(result.current.index).toBe(0);
});

it('모바일 터치이벤트 테스트: 절대값으로 minMove보다 적게, 슬라이드하면 index를 유지시킬 수 있다.', () => {
const { result } = renderHook(() => _useDragIndexCarousel(3, 100));
const touchEvent = { touches: [{ clientX: 0 }] };
const touchMove = { touches: [{ clientX: -90 }] };

act(() => result.current.handleTouchStart(touchEvent as unknown as TouchEvent));
act(() => result.current.handleTouchMove(touchMove as unknown as TouchEvent));
act(() => result.current.handleMoveEnd());

expect(result.current.index).toBe(0);
});

it('PC 스크롤이벤트 테스트: 절대값으로 minMove보다 많이, 오른쪽으로 슬라이드하면 index를 증가시킬 수 있다.', () => {
const { result } = renderHook(() => _useDragIndexCarousel(3, 60));
const touchEvent = { pageX: 0 };
const touchMove = { pageX: -100 };

act(() => result.current.handleScrollStart(touchEvent as MouseEvent));
act(() => result.current.handleScrollMove(touchMove as MouseEvent));
act(() => result.current.handleMoveEnd());

expect(result.current.index).toBe(1);
});

it('PC 스크롤이벤트 테스트: 절대값으로 minMove보다 많이, 왼쪽으로 슬라이드하면 index를 감소시킬수 있다.', () => {
const { result } = renderHook(() => _useDragIndexCarousel(3, 60, 1));
const touchEvent = { pageX: 0 };
const touchMove = { pageX: 100 };

act(() => result.current.handleScrollStart(touchEvent as MouseEvent));
act(() => result.current.handleScrollMove(touchMove as MouseEvent));
act(() => result.current.handleMoveEnd());

expect(result.current.index).toBe(0);
});

it('PC 스크롤이벤트 테스트: 절대값으로 minMove보다 적게 슬라이드하면 index를 유지시킬 수 있다.', () => {
const { result } = renderHook(() => _useDragIndexCarousel(3, 100, 1));
const touchEvent = { pageX: 0 };
const touchMove = { pageX: 60 };

act(() => result.current.handleScrollStart(touchEvent as MouseEvent));
act(() => result.current.handleScrollMove(touchMove as MouseEvent));
act(() => result.current.handleMoveEnd());

expect(result.current.index).toBe(1);
});
});
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