31 lines
1.1 KiB
TypeScript
31 lines
1.1 KiB
TypeScript
import utils from '../../../../src/utils/commonUtils/utils';
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describe('flattenObject function', () => {
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it('should return an empty object if the source object is null or undefined', () => {
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expect(utils.flattenObject(null)).toEqual({});
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expect(utils.flattenObject(undefined)).toEqual({});
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});
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it('should flatten a simple object', () => {
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const sourceObj = { a: 1, b: 'hello', c: true };
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const destObj = utils.flattenObject(sourceObj);
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expect(destObj).toEqual({ a: 1, b: 'hello', c: true });
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});
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it('should flatten an object with a prototype', () => {
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const parentObj = { a: 1 };
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const sourceObj = Object.create(parentObj);
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sourceObj.b = 'hello';
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sourceObj.c = true;
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const destObj = utils.flattenObject(sourceObj);
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expect(destObj).toEqual({ a: 1, b: 'hello', c: true });
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});
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it('should filter out properties based on a property filter function', () => {
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const sourceObj = { a: 1, b: 'hello', c: true };
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const propFilter = (prop: string | symbol) => prop !== 'b';
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const destObj = utils.flattenObject(sourceObj, undefined, undefined, propFilter);
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expect(destObj).toEqual({ a: 1, c: true });
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});
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});
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