32 lines
1.1 KiB
TypeScript
32 lines
1.1 KiB
TypeScript
import utils from '../../../../src/utils/commonUtils/utils';
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describe('extendObject function', () => {
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it('should extend an object with another object', () => {
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const target = { a: 1, b: 2 };
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const source = { b: 3, c: 4 };
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const result = utils.extendObject(target, source);
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expect(result).toEqual({ a: 1, b: 3, c: 4 });
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expect(target).toEqual({ a: 1, b: 3, c: 4 }); // Target 也会被修改
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});
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it('should bind functions to a given context if "thisArg" option is provided', () => {
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const target = {};
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const source = {
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sayHi() {
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return `Hi, ${this.name}!`;
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},
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name: 'John'
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};
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const thisArg = { name: 'Sarah' };
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const result = utils.extendObject(target, source, thisArg);
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expect(result.sayHi()).toBe('Hi, Sarah!');
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});
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it('should include all properties of the source object if "includeAll" option is set to true', () => {
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const target = { a: 1 };
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const source = { 'b': 2 };
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const result = utils.extendObject(target, source, undefined, { includeAll: true });
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expect(result).not.toEqual({ a: 1, 'b': 2 });
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});
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});
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