test(react): useAsyncProcessQueue 테스트 코드 추가

packages/react/src/hooks/useAsyncProcessQueue/index.ts

@@ -1,7 +1,7 @@
 import { Nullable } from '@modern-kit/types';
 import { useCallback, useState, useRef } from 'react';
 
-type RequestFunction<T> = (requestData?: any) => Promise<T>;
+type RequestFunction<T> = (...args: any[]) => Promise<T>;
 
 interface UseAsyncProcessQueueOptions {
   keepPreviousData?: boolean;
@@ -22,12 +22,12 @@ export const useAsyncProcessQueue = <T = unknown, E = unknown>({
     }
 
     const requestFunc = requestQueue.current[0];
+    setIsLoading(true);
 
     try {
-      setIsLoading(true);
       const res = await requestFunc();
 
-      setData(res);
+      setData(res as T);
       setError(null);
     } catch (err) {
       setData(null);

packages/react/src/hooks/useAsyncProcessQueue/useAsyncProcessQueue.spec.ts

@@ -0,0 +1,124 @@
+import { Mock } from 'vitest';
+import { useAsyncProcessQueue } from '.';
+import { act, renderHook } from '@testing-library/react';
+
+beforeEach(() => {
+  vi.useFakeTimers();
+});
+
+afterEach(() => {
+  vi.useRealTimers();
+});
+
+const createTestPromiseFunc =
+  (fn: Mock<any, any>, time: number, value?: any, isError = false) =>
+  () => {
+    return new Promise((resolve, reject) => {
+      setTimeout(() => {
+        fn();
+        if (isError) {
+          reject(value);
+        } else {
+          resolve(value);
+        }
+      }, time);
+    });
+  };
+
+describe('useAsyncProcessQueue', () => {
+  it('should execute multiple asynchronous functions sequentially, and the resolved data should be assigned to data state', async () => {
+    const mockFn1 = vi.fn();
+    const mockFn2 = vi.fn();
+
+    const { result } = renderHook(() =>
+      useAsyncProcessQueue({ keepPreviousData: false })
+    );
+    const addToProcessQueue = result.current.addToProcessQueue;
+
+    const testPromise1 = createTestPromiseFunc(mockFn1, 200, 'foo');
+    const testPromise2 = createTestPromiseFunc(mockFn2, 200, 'bar');
+
+    act(() => {
+      addToProcessQueue(testPromise1);
+    });
+    act(() => {
+      addToProcessQueue(testPromise2);
+    });
+
+    await vi.advanceTimersByTimeAsync(200);
+
+    expect(mockFn1).toBeCalledTimes(1);
+    expect(mockFn2).toBeCalledTimes(0);
+    expect(result.current.isLoading).toBeTruthy();
+    expect(result.current.data).toBeNull();
+
+    await vi.advanceTimersByTimeAsync(200);
+
+    expect(result.current.data).toBe('foo');
+    expect(mockFn2).toBeCalledTimes(1);
+
+    await vi.advanceTimersByTimeAsync(200);
+
+    expect(result.current.data).toBe('bar');
+    expect(result.current.isLoading).toBeFalsy();
+
+    // Initialize data if keepPreviousData is false
+    act(() => {
+      addToProcessQueue(testPromise1);
+    });
+    expect(result.current.data).toBeNull();
+  });
+
+  it('should keep the previous data if the keepPreviousData prop is true', async () => {
+    const mockFn1 = vi.fn();
+    const { result } = renderHook(() =>
+      useAsyncProcessQueue({ keepPreviousData: true })
+    );
+    const addToProcessQueue = result.current.addToProcessQueue;
+
+    const testPromise1 = createTestPromiseFunc(mockFn1, 200, 'foo');
+
+    act(() => {
+      addToProcessQueue(testPromise1);
+    });
+
+    await vi.advanceTimersByTimeAsync(200);
+
+    expect(result.current.data).toBeNull();
+
+    await vi.advanceTimersByTimeAsync(200);
+
+    expect(result.current.data).toBe('foo');
+
+    await vi.advanceTimersByTimeAsync(200);
+
+    expect(result.current.isLoading).toBeFalsy();
+
+    // Keep data if keepPreviousData is true
+    act(() => {
+      addToProcessQueue(testPromise1);
+    });
+    expect(result.current.data).toBe('foo');
+  });
+
+  it('should execute multiple asynchronous functions sequentially, and assign any errors to the error state', async () => {
+    const mockFn1 = vi.fn();
+
+    const { result } = renderHook(() => useAsyncProcessQueue());
+    const addToProcessQueue = result.current.addToProcessQueue;
+
+    const testPromise = createTestPromiseFunc(mockFn1, 200, 'bar', true);
+
+    act(() => {
+      addToProcessQueue(testPromise);
+    });
+
+    await vi.advanceTimersByTimeAsync(200);
+
+    expect(mockFn1).toBeCalledTimes(1);
+
+    await vi.advanceTimersByTimeAsync(200);
+    expect(result.current.error).toBe('bar');
+    expect(result.current.data).toBeNull();
+  });
+});