From 7fb7bdc0c857edd5fbdcc7deafa8634ebc0868a3 Mon Sep 17 00:00:00 2001
From: jyh071116 <jyh071116@gmail.com>
Date: Thu, 11 Jan 2024 15:30:29 +0900
Subject: [PATCH 1/3] =?UTF-8?q?test(useInfiniteScroll):=20=EC=8A=A4?=
 =?UTF-8?q?=ED=81=AC=EB=A1=A4=EC=9D=84=20=EB=81=9D=EA=B9=8C=EC=A7=80=20?=
 =?UTF-8?q?=EB=82=B4=EB=A0=B8=EC=9D=84=20=EB=95=8C=20fetchNextPage=20?=
 =?UTF-8?q?=ED=98=B8=EC=B6=9C=20=ED=99=95=EC=9D=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/hooks/useInfiniteScroll.spec.tsx | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 src/hooks/useInfiniteScroll.spec.tsx

diff --git a/src/hooks/useInfiniteScroll.spec.tsx b/src/hooks/useInfiniteScroll.spec.tsx
new file mode 100644
index 00000000..9f5d55c6
--- /dev/null
+++ b/src/hooks/useInfiniteScroll.spec.tsx
@@ -0,0 +1,25 @@
+import { fireEvent, renderHook } from "@testing-library/react";
+import useInfiniteScroll from "./useInfiniteScroll";
+
+describe("useInfiniteScroll", () => {
+  it("스크롤을 끝까지 내렸을 때 fetchNextPage 호출 확인", () => {
+    const fetchNextPage = jest.fn();
+    renderHook(() => useInfiniteScroll(fetchNextPage));
+
+    Object.defineProperty(window, "scrollY", {
+      writable: true,
+      configurable: true,
+      value: 0,
+    });
+    Object.defineProperty(document.documentElement, "offsetHeight", {
+      writable: true,
+      configurable: true,
+      value: 3000,
+    });
+
+    window.scrollY = 3000;
+
+    fireEvent.scroll(window);
+    expect(fetchNextPage).toHaveBeenCalled();
+  });
+});

From 07d7a7a6b3ad182e42c436e44a07c3465e8ae1f2 Mon Sep 17 00:00:00 2001
From: jyh071116 <jyh071116@gmail.com>
Date: Thu, 11 Jan 2024 15:32:49 +0900
Subject: [PATCH 2/3] =?UTF-8?q?test(useInfiniteScroll):=20=EC=93=B8?=
 =?UTF-8?q?=EB=AA=A8=EC=97=86=EB=8A=94=20=ED=94=84=EB=A1=9C=ED=8D=BC?=
 =?UTF-8?q?=ED=8B=B0=20=EC=82=AD=EC=A0=9C?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/hooks/useInfiniteScroll.spec.tsx | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/hooks/useInfiniteScroll.spec.tsx b/src/hooks/useInfiniteScroll.spec.tsx
index 9f5d55c6..8945f792 100644
--- a/src/hooks/useInfiniteScroll.spec.tsx
+++ b/src/hooks/useInfiniteScroll.spec.tsx
@@ -7,13 +7,9 @@ describe("useInfiniteScroll", () => {
     renderHook(() => useInfiniteScroll(fetchNextPage));
 
     Object.defineProperty(window, "scrollY", {
-      writable: true,
-      configurable: true,
       value: 0,
     });
     Object.defineProperty(document.documentElement, "offsetHeight", {
-      writable: true,
-      configurable: true,
       value: 3000,
     });
 

From d2d77b6a4eeae04a6f940eddf864ce036f9e391a Mon Sep 17 00:00:00 2001
From: jyh071116 <jyh071116@gmail.com>
Date: Thu, 11 Jan 2024 15:38:47 +0900
Subject: [PATCH 3/3] =?UTF-8?q?test(useInfiniteScroll):=20=EC=8A=A4?=
 =?UTF-8?q?=ED=81=AC=EB=A1=A4=EC=9D=84=20=EB=81=9D=EA=B9=8C=EC=A7=80=20?=
 =?UTF-8?q?=EB=82=B4=EB=A6=AC=EC=A7=80=20=EC=95=8A=EC=9D=80=20=EC=83=81?=
 =?UTF-8?q?=ED=83=9C=EC=99=80=20=EC=8A=A4=ED=81=AC=EB=A1=A4=EC=9D=84=20?=
 =?UTF-8?q?=EB=81=9D=EA=B9=8C=EC=A7=80=20=EB=82=B4=EB=A6=B0=20=EC=83=81?=
 =?UTF-8?q?=ED=83=9C=20=EB=B6=84=EB=A6=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/hooks/useInfiniteScroll.spec.tsx | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/hooks/useInfiniteScroll.spec.tsx b/src/hooks/useInfiniteScroll.spec.tsx
index 8945f792..a4a0b01c 100644
--- a/src/hooks/useInfiniteScroll.spec.tsx
+++ b/src/hooks/useInfiniteScroll.spec.tsx
@@ -12,10 +12,12 @@ describe("useInfiniteScroll", () => {
     Object.defineProperty(document.documentElement, "offsetHeight", {
       value: 3000,
     });
-
+    // 스크롤을 끝까지 내리지 않음
+    fireEvent.scroll(window);
+    // 스크롤을 끝까지 내림
     window.scrollY = 3000;
-
     fireEvent.scroll(window);
-    expect(fetchNextPage).toHaveBeenCalled();
+
+    expect(fetchNextPage).toHaveBeenCalledTimes(1);
   });
 });