40 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.1 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 { expect, it, vi } from 'vitest';
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import { updateOnlyDefined } from '../src/update-only-defined';
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it('update only defined', () => {
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  const updater = vi.fn();
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  updateOnlyDefined(updater, {
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    a: undefined,
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    b: 1,
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  });
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  expect(updater.mock.calls[0][0]).toMatchObject({
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    b: 1,
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  });
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});
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it('do not run updater if item value is only undefined', () => {
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  const updater = vi.fn();
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  updateOnlyDefined(updater, {
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    a: undefined,
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    b: undefined,
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  });
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  expect(updater.mock.calls.length).toBe(0);
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});
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