30 lines
1.1 KiB
TypeScript
30 lines
1.1 KiB
TypeScript
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import { describe, expect, test } from 'bun:test';
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import { getNextRuns, isValidCronExpression } from './cron';
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describe('cron helpers', () => {
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test('accepts valid cron expressions', () => {
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expect(isValidCronExpression('*/5 * * * *').valid).toBe(true);
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expect(isValidCronExpression('0 9 * * 1').valid).toBe(true);
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expect(isValidCronExpression('0 0 9 * * 1').valid).toBe(true);
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});
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test('rejects empty and invalid cron expressions', () => {
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expect(isValidCronExpression('').valid).toBe(false);
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expect(isValidCronExpression(' ').valid).toBe(false);
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expect(isValidCronExpression('abc').valid).toBe(false);
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expect(isValidCronExpression('61 * * * *').valid).toBe(false);
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});
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test('returns the requested number of next runs', () => {
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const runs = getNextRuns('*/5 * * * *', 'UTC', 3);
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expect(runs).toHaveLength(3);
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expect(runs.every((run) => run instanceof Date && Number.isFinite(run.getTime()))).toBe(true);
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});
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test('returns an empty list for invalid expressions', () => {
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expect(getNextRuns('not cron', 'UTC')).toEqual([]);
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});
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});
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