57 lines
1.2 KiB
TypeScript
57 lines
1.2 KiB
TypeScript
import { clone } from './clone';
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describe('util/clone', () => {
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test.each`
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input | expected
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${undefined} | ${undefined}
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${null} | ${null}
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${true} | ${true}
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${false} | ${false}
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${0} | ${0}
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${1} | ${1}
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${NaN} | ${NaN}
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${Infinity} | ${Infinity}
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${-Infinity} | ${-Infinity}
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${''} | ${''}
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${'string'} | ${'string'}
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${[]} | ${[]}
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${[1, 2, 3]} | ${[1, 2, 3]}
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${{}} | ${{}}
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${{ a: 1 }} | ${{ a: 1 }}
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`('returns $expected when input is $input', ({ input, expected }) => {
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const res = clone(input);
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expect(res).toStrictEqual(expected);
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});
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it('maintains same order', () => {
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const obj: any = {
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b: 'foo',
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a: 'bar',
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c: 'baz',
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};
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const res = clone(obj);
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expect(Object.entries(res)).toMatchObject([
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['b', 'foo'],
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['a', 'bar'],
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['c', 'baz'],
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]);
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});
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it('assigns "[Circular]" to circular references', () => {
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const obj: any = {
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name: 'object',
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type: 'object',
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isObject: true,
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};
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obj.circular = obj;
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expect(clone(obj)).toMatchObject({
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circular: '[Circular]',
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isObject: true,
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name: 'object',
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type: 'object',
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});
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});
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});
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