雨霖铃
23 lines
632 B
TypeScript
23 lines
632 B
TypeScript
import { randomInt, randomPick } from '@/lib/generators/random';
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describe('generators/random', () => {
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it('randomInt 应返回闭区间内的整数', () => {
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vi.spyOn(Math, 'random').mockReturnValue(0.5);
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expect(randomInt(1, 10)).toBe(6);
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expect(randomInt(5, 5)).toBe(5);
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});
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it('randomPick 应对单元素数组返回该元素', () => {
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vi.spyOn(Math, 'random').mockReturnValue(0);
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expect(randomPick(['only'])).toBe('only');
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});
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it('randomPick 应返回数组中的元素', () => {
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vi.spyOn(Math, 'random').mockReturnValue(0.99);
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expect(randomPick(['a', 'b', 'c'])).toBe('c');
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});
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});
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