forked from openinula/inula
57 lines
2.0 KiB
TypeScript
57 lines
2.0 KiB
TypeScript
/*
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* Copyright (c) 2023 Huawei Technologies Co.,Ltd.
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*
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* openInula is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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*
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* http://license.coscl.org.cn/MulanPSL2
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*
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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import utils from '../../../../src/utils/commonUtils/utils';
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describe('forEach function', () => {
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it('should do nothing when input is null or undefined', () => {
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const func = jest.fn();
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utils.forEach(null, func);
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utils.forEach(undefined, func);
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expect(func).not.toHaveBeenCalled();
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});
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it('should iterate over array and call function with value, index and array', () => {
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const arr = [1, 2, 3];
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const func = jest.fn();
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utils.forEach(arr, func);
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expect(func).toHaveBeenCalledTimes(3);
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expect(func).toHaveBeenCalledWith(1, 0, arr);
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expect(func).toHaveBeenCalledWith(2, 1, arr);
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expect(func).toHaveBeenCalledWith(3, 2, arr);
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});
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it('should iterate over object and call function with value, key and object', () => {
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const obj = { a: 1, b: 2, c: 3 };
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const func = jest.fn();
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utils.forEach(obj, func);
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expect(func).toHaveBeenCalledTimes(3);
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expect(func).toHaveBeenCalledWith(1, 'a', obj);
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expect(func).toHaveBeenCalledWith(2, 'b', obj);
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expect(func).toHaveBeenCalledWith(3, 'c', obj);
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});
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it('should include all properties when options.includeAll is true', () => {
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const obj = Object.create({ c: 3 });
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obj.a = 1;
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obj.b = 2;
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const func = jest.fn();
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utils.forEach(obj, func, { includeAll: true });
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expect(func).toHaveBeenCalledWith(1, 'a', obj);
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expect(func).toHaveBeenCalledWith(2, 'b', obj);
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expect(func).toHaveBeenCalledWith(3, 'c', obj);
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});
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});
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