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test(useInfiniteScroll): 스크롤을 끝까지 내리지 않은 상태와 스크롤을 끝까지 내린 상태 분리
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src/hooks/useInfiniteScroll.spec.tsx

Lines changed: 5 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -12,10 +12,12 @@ describe("useInfiniteScroll", () => {
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Object.defineProperty(document.documentElement, "offsetHeight", {
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value: 3000,
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});
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// 스크롤을 끝까지 내리지 않음
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fireEvent.scroll(window);
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// 스크롤을 끝까지 내림
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window.scrollY = 3000;
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fireEvent.scroll(window);
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expect(fetchNextPage).toHaveBeenCalled();
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expect(fetchNextPage).toHaveBeenCalledTimes(1);
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});
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});

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