80 lines
3.2 KiB
TypeScript
80 lines
3.2 KiB
TypeScript
import { describe, it, expect } from 'bun:test';
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import { dateUtils } from '../src/dateUtils';
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describe('dateUtils', () => {
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describe('isTradingDay', () => {
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it('should return true for weekdays (Monday-Friday)', () => {
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// Monday (June 2, 2025)
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expect(dateUtils.isTradingDay(new Date(2025, 5, 2))).toBe(true);
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// Tuesday (June 3, 2025)
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expect(dateUtils.isTradingDay(new Date(2025, 5, 3))).toBe(true);
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// Wednesday (June 4, 2025)
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expect(dateUtils.isTradingDay(new Date(2025, 5, 4))).toBe(true);
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// Thursday (June 5, 2025)
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expect(dateUtils.isTradingDay(new Date(2025, 5, 5))).toBe(true);
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// Friday (June 6, 2025)
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expect(dateUtils.isTradingDay(new Date(2025, 5, 6))).toBe(true);
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});
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it('should return false for weekends (Saturday-Sunday)', () => {
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// Saturday (June 7, 2025)
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expect(dateUtils.isTradingDay(new Date(2025, 5, 7))).toBe(false);
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// Sunday (June 8, 2025)
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expect(dateUtils.isTradingDay(new Date(2025, 5, 8))).toBe(false);
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});
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});
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describe('getNextTradingDay', () => {
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it('should return the next day when current day is a weekday and next day is a weekday', () => {
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// Monday -> Tuesday
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const monday = new Date(2025, 5, 2);
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const tuesday = new Date(2025, 5, 3);
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expect(dateUtils.getNextTradingDay(monday).toDateString()).toBe(tuesday.toDateString());
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});
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it('should skip weekends when getting next trading day', () => {
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// Friday -> Monday
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const friday = new Date(2025, 5, 6);
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const monday = new Date(2025, 5, 9);
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expect(dateUtils.getNextTradingDay(friday).toDateString()).toBe(monday.toDateString());
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});
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it('should handle weekends as input correctly', () => {
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// Saturday -> Monday
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const saturday = new Date(2025, 5, 7);
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const monday = new Date(2025, 5, 9);
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expect(dateUtils.getNextTradingDay(saturday).toDateString()).toBe(monday.toDateString());
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// Sunday -> Monday
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const sunday = new Date(2025, 5, 8);
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expect(dateUtils.getNextTradingDay(sunday).toDateString()).toBe(monday.toDateString());
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});
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});
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describe('getPreviousTradingDay', () => {
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it('should return the previous day when current day is a weekday and previous day is a weekday', () => {
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// Tuesday -> Monday
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const tuesday = new Date(2025, 5, 3);
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const monday = new Date(2025, 5, 2);
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expect(dateUtils.getPreviousTradingDay(tuesday).toDateString()).toBe(monday.toDateString());
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});
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it('should skip weekends when getting previous trading day', () => {
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// Monday -> Friday
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const monday = new Date(2025, 5, 9);
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const friday = new Date(2025, 5, 6);
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expect(dateUtils.getPreviousTradingDay(monday).toDateString()).toBe(friday.toDateString());
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});
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it('should handle weekends as input correctly', () => {
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// Saturday -> Friday
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const saturday = new Date(2025, 5, 7);
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const friday = new Date(2025, 5, 6);
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expect(dateUtils.getPreviousTradingDay(saturday).toDateString()).toBe(friday.toDateString());
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// Sunday -> Friday
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const sunday = new Date(2025, 5, 8);
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expect(dateUtils.getPreviousTradingDay(sunday).toDateString()).toBe(friday.toDateString());
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});
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});
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});
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