first commit

packages/workflow/test/cron.test.ts

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+import { toCronExpression } from '../src/cron';
+import type { CronExpression } from '../src/interfaces';
+
+describe('Cron', () => {
+	describe('toCronExpression', () => {
+		test('should generate a valid cron for `everyMinute` triggers', () => {
+			const expression = toCronExpression({
+				mode: 'everyMinute',
+			});
+			expect(expression).toMatch(/^[1-5]?[0-9] \* \* \* \* \*$/);
+		});
+
+		test('should generate a valid cron for `everyHour` triggers', () => {
+			const expression = toCronExpression({
+				mode: 'everyHour',
+				minute: 11,
+			});
+			expect(expression).toMatch(/^[1-5]?[0-9] 11 \* \* \* \*$/);
+		});
+
+		test('should generate a valid cron for `everyX[minutes]` triggers', () => {
+			const expression = toCronExpression({
+				mode: 'everyX',
+				unit: 'minutes',
+				value: 42,
+			});
+			expect(expression).toMatch(/^[1-5]?[0-9] \*\/42 \* \* \* \*$/);
+		});
+
+		test('should generate a valid cron for `everyX[hours]` triggers', () => {
+			const expression = toCronExpression({
+				mode: 'everyX',
+				unit: 'hours',
+				value: 3,
+			});
+			expect(expression).toMatch(/^[1-5]?[0-9] [1-5]?[0-9] \*\/3 \* \* \*$/);
+		});
+
+		test('should generate a valid cron for `everyDay` triggers', () => {
+			const expression = toCronExpression({
+				mode: 'everyDay',
+				hour: 13,
+				minute: 17,
+			});
+			expect(expression).toMatch(/^[1-5]?[0-9] 17 13 \* \* \*$/);
+		});
+
+		test('should generate a valid cron for `everyWeek` triggers', () => {
+			const expression = toCronExpression({
+				mode: 'everyWeek',
+				hour: 13,
+				minute: 17,
+				weekday: 4,
+			});
+			expect(expression).toMatch(/^[1-5]?[0-9] 17 13 \* \* 4$/);
+		});
+
+		test('should generate a valid cron for `everyMonth` triggers', () => {
+			const expression = toCronExpression({
+				mode: 'everyMonth',
+				hour: 13,
+				minute: 17,
+				dayOfMonth: 12,
+			});
+			expect(expression).toMatch(/^[1-5]?[0-9] 17 13 12 \* \*$/);
+		});
+
+		test('should trim custom cron expressions', () => {
+			const expression = toCronExpression({
+				mode: 'custom',
+				cronExpression: ' 0 9-17 * * * ' as CronExpression,
+			});
+			expect(expression).toEqual('0 9-17 * * *');
+		});
+	});
+});