85 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
/*
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 * Copyright 2025 coze-dev Authors
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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import { describe, it, expect } from 'vitest';
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import { renderHook, act } from '@testing-library/react';
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import { useComponentState } from '../src/use-component-state';
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describe('useComponentState', () => {
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  it('should initialize with the provided state', () => {
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    const initialState = { count: 0, text: 'hello' };
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    const { result } = renderHook(() => useComponentState(initialState));
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    expect(result.current.state).toEqual(initialState);
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  });
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  it('should perform incremental updates by default', () => {
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    const initialState = { count: 0, text: 'hello' };
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    const { result } = renderHook(() => useComponentState(initialState));
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    act(() => {
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      result.current.setState({ count: 1 });
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    });
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    expect(result.current.state).toEqual({ count: 1, text: 'hello' });
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  });
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  it('should replace entire state when replace flag is true', () => {
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    const initialState = { count: 0, text: 'hello', extra: true };
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    const { result } = renderHook(() => useComponentState(initialState));
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    act(() => {
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      result.current.setState({ count: 1, text: 'hello', extra: true }, true);
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    });
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    expect(result.current.state).toEqual({
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      count: 1,
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      text: 'hello',
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      extra: true,
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    });
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  });
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  it('should reset state to initial value', () => {
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    const initialState = { count: 0, text: 'hello' };
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    const { result } = renderHook(() => useComponentState(initialState));
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    act(() => {
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      result.current.setState({ count: 1, text: 'world' });
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    });
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    expect(result.current.state).toEqual({ count: 1, text: 'world' });
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    act(() => {
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      result.current.resetState();
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    });
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    expect(result.current.state).toEqual(initialState);
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  });
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  it('should handle multiple updates', () => {
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    const initialState = { count: 0, text: 'hello' };
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    const { result } = renderHook(() => useComponentState(initialState));
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    act(() => {
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      result.current.setState({ count: 1 });
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      result.current.setState({ text: 'world' });
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    });
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    expect(result.current.state).toEqual({ count: 1, text: 'world' });
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  });
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});
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