core tests
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@@ -1,278 +1,72 @@
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import { calculateRaceDates, getNextWeekday, type ScheduleConfig } from '@core/racing/domain/services/ScheduleCalculator';
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import type { Weekday } from '@core/racing/domain/types/Weekday';
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import { describe, expect, it } from 'vitest';
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import { describe, it, expect } from 'vitest';
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import { calculateRaceDates, getNextWeekday, ScheduleConfig } from './ScheduleCalculator';
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describe('ScheduleCalculator', () => {
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describe('calculateRaceDates', () => {
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describe('with empty or invalid input', () => {
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it('should return empty array when weekdays is empty', () => {
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// Given
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const config: ScheduleConfig = {
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weekdays: [],
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frequency: 'weekly',
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rounds: 8,
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startDate: new Date('2024-01-01'),
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};
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// When
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const result = calculateRaceDates(config);
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// Then
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expect(result.raceDates).toEqual([]);
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expect(result.seasonDurationWeeks).toBe(0);
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});
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it('should return empty array when rounds is 0', () => {
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// Given
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const config: ScheduleConfig = {
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weekdays: ['Sat'] as Weekday[],
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frequency: 'weekly',
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rounds: 0,
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startDate: new Date('2024-01-01'),
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};
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// When
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const result = calculateRaceDates(config);
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// Then
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expect(result.raceDates).toEqual([]);
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});
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it('should return empty array when rounds is negative', () => {
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// Given
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const config: ScheduleConfig = {
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weekdays: ['Sat'] as Weekday[],
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frequency: 'weekly',
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rounds: -5,
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startDate: new Date('2024-01-01'),
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};
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// When
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const result = calculateRaceDates(config);
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// Then
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expect(result.raceDates).toEqual([]);
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});
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it('should return empty array if no weekdays or rounds', () => {
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const config: ScheduleConfig = {
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weekdays: [],
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frequency: 'weekly',
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rounds: 10,
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startDate: new Date('2024-01-01'),
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};
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expect(calculateRaceDates(config).raceDates).toHaveLength(0);
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});
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describe('weekly scheduling', () => {
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it('should schedule 8 races on Saturdays starting from a Saturday', () => {
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// Given - January 6, 2024 is a Saturday
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const config: ScheduleConfig = {
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weekdays: ['Sat'] as Weekday[],
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frequency: 'weekly',
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rounds: 8,
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startDate: new Date('2024-01-06'),
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};
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// When
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const result = calculateRaceDates(config);
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// Then
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expect(result.raceDates.length).toBe(8);
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// All dates should be Saturdays
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result.raceDates.forEach(date => {
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expect(date.getDay()).toBe(6); // Saturday
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});
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// First race should be Jan 6
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expect(result.raceDates[0]!.toISOString().split('T')[0]).toBe('2024-01-06');
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// Last race should be 7 weeks later (Feb 24)
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expect(result.raceDates[7]!.toISOString().split('T')[0]).toBe('2024-02-24');
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});
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it('should schedule races on multiple weekdays', () => {
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// Given
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const config: ScheduleConfig = {
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weekdays: ['Wed', 'Sat'] as Weekday[],
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frequency: 'weekly',
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rounds: 8,
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startDate: new Date('2024-01-01'), // Monday
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};
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// When
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const result = calculateRaceDates(config);
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// Then
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expect(result.raceDates.length).toBe(8);
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// Should alternate between Wednesday and Saturday
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result.raceDates.forEach(date => {
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const day = date.getDay();
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expect([3, 6]).toContain(day); // Wed=3, Sat=6
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});
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});
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it('should schedule 8 races on Sundays', () => {
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// Given - January 7, 2024 is a Sunday
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const config: ScheduleConfig = {
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weekdays: ['Sun'] as Weekday[],
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frequency: 'weekly',
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rounds: 8,
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startDate: new Date('2024-01-01'),
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};
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// When
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const result = calculateRaceDates(config);
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// Then
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expect(result.raceDates.length).toBe(8);
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result.raceDates.forEach(date => {
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expect(date.getDay()).toBe(0); // Sunday
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});
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});
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it('should schedule weekly races', () => {
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const config: ScheduleConfig = {
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weekdays: ['Mon'],
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frequency: 'weekly',
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rounds: 3,
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startDate: new Date('2024-01-01'), // Monday
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};
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const result = calculateRaceDates(config);
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expect(result.raceDates).toHaveLength(3);
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expect(result.raceDates[0].getDay()).toBe(1);
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expect(result.raceDates[1].getDay()).toBe(1);
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expect(result.raceDates[2].getDay()).toBe(1);
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// Check dates are 7 days apart
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const diff = result.raceDates[1].getTime() - result.raceDates[0].getTime();
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expect(diff).toBe(7 * 24 * 60 * 60 * 1000);
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});
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describe('bi-weekly scheduling', () => {
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it('should schedule races every 2 weeks on Saturdays', () => {
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// Given - January 6, 2024 is a Saturday
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const config: ScheduleConfig = {
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weekdays: ['Sat'] as Weekday[],
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frequency: 'everyNWeeks',
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rounds: 4,
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startDate: new Date('2024-01-06'),
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intervalWeeks: 2,
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};
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// When
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const result = calculateRaceDates(config);
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// Then
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expect(result.raceDates.length).toBe(4);
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// First race Jan 6
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expect(result.raceDates[0]!.toISOString().split('T')[0]).toBe('2024-01-06');
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// Second race 2 weeks later (Jan 20)
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expect(result.raceDates[1]!.toISOString().split('T')[0]).toBe('2024-01-20');
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// Third race 2 weeks later (Feb 3)
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expect(result.raceDates[2]!.toISOString().split('T')[0]).toBe('2024-02-03');
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// Fourth race 2 weeks later (Feb 17)
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expect(result.raceDates[3]!.toISOString().split('T')[0]).toBe('2024-02-17');
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});
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it('should schedule bi-weekly races', () => {
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const config: ScheduleConfig = {
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weekdays: ['Mon'],
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frequency: 'everyNWeeks',
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intervalWeeks: 2,
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rounds: 2,
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startDate: new Date('2024-01-01'),
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};
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const result = calculateRaceDates(config);
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expect(result.raceDates).toHaveLength(2);
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const diff = result.raceDates[1].getTime() - result.raceDates[0].getTime();
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expect(diff).toBe(14 * 24 * 60 * 60 * 1000);
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});
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describe('with start and end dates', () => {
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it('should evenly distribute races across the date range', () => {
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// Given - 3 month season
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const config: ScheduleConfig = {
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weekdays: ['Sat'] as Weekday[],
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frequency: 'weekly',
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rounds: 8,
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startDate: new Date('2024-01-06'),
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endDate: new Date('2024-03-30'),
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};
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// When
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const result = calculateRaceDates(config);
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// Then
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expect(result.raceDates.length).toBe(8);
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// First race should be at or near start
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expect(result.raceDates[0]!.toISOString().split('T')[0]).toBe('2024-01-06');
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// Races should be spread across the range, not consecutive weeks
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});
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it('should use all available days if fewer than rounds requested', () => {
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// Given - short period with only 3 Saturdays
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const config: ScheduleConfig = {
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weekdays: ['Sat'] as Weekday[],
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frequency: 'weekly',
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rounds: 10,
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startDate: new Date('2024-01-06'),
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endDate: new Date('2024-01-21'),
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};
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// When
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const result = calculateRaceDates(config);
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// Then
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// Only 3 Saturdays in this range: Jan 6, 13, 20
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expect(result.raceDates.length).toBe(3);
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});
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});
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describe('season duration calculation', () => {
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it('should calculate correct season duration in weeks', () => {
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// Given
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const config: ScheduleConfig = {
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weekdays: ['Sat'] as Weekday[],
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frequency: 'weekly',
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rounds: 8,
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startDate: new Date('2024-01-06'),
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};
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// When
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const result = calculateRaceDates(config);
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// Then
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// 8 races, 1 week apart = 7 weeks duration
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expect(result.seasonDurationWeeks).toBe(7);
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});
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it('should return 0 duration for single race', () => {
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// Given
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const config: ScheduleConfig = {
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weekdays: ['Sat'] as Weekday[],
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frequency: 'weekly',
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rounds: 1,
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startDate: new Date('2024-01-06'),
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};
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// When
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const result = calculateRaceDates(config);
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// Then
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expect(result.raceDates.length).toBe(1);
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expect(result.seasonDurationWeeks).toBe(0);
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});
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it('should distribute races between start and end date', () => {
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const config: ScheduleConfig = {
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weekdays: ['Mon', 'Wed', 'Fri'],
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frequency: 'weekly',
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rounds: 2,
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startDate: new Date('2024-01-01'), // Mon
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endDate: new Date('2024-01-15'), // Mon
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};
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const result = calculateRaceDates(config);
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expect(result.raceDates).toHaveLength(2);
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// Use getTime() to avoid timezone issues in comparison
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const expectedDate = new Date('2024-01-01');
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expectedDate.setHours(12, 0, 0, 0);
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expect(result.raceDates[0].getTime()).toBe(expectedDate.getTime());
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});
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});
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describe('getNextWeekday', () => {
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it('should return next Saturday from a Monday', () => {
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// Given - January 1, 2024 is a Monday
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const fromDate = new Date('2024-01-01');
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// When
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const result = getNextWeekday(fromDate, 'Sat');
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// Then
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expect(result.toISOString().split('T')[0]).toBe('2024-01-06');
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expect(result.getDay()).toBe(6);
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});
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it('should return next occurrence when already on that weekday', () => {
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// Given - January 6, 2024 is a Saturday
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const fromDate = new Date('2024-01-06');
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// When
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const result = getNextWeekday(fromDate, 'Sat');
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// Then
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// Should return NEXT Saturday (7 days later), not same day
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expect(result.toISOString().split('T')[0]).toBe('2024-01-13');
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});
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it('should return next Sunday from a Friday', () => {
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// Given - January 5, 2024 is a Friday
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const fromDate = new Date('2024-01-05');
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// When
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const result = getNextWeekday(fromDate, 'Sun');
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// Then
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expect(result.toISOString().split('T')[0]).toBe('2024-01-07');
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expect(result.getDay()).toBe(0);
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});
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it('should return next Wednesday from a Thursday', () => {
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// Given - January 4, 2024 is a Thursday
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const fromDate = new Date('2024-01-04');
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// When
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const result = getNextWeekday(fromDate, 'Wed');
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// Then
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// Next Wednesday is 6 days later
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expect(result.toISOString().split('T')[0]).toBe('2024-01-10');
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expect(result.getDay()).toBe(3);
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it('should return the next Monday', () => {
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const from = new Date('2024-01-01'); // Monday
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const next = getNextWeekday(from, 'Mon');
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expect(next.getDay()).toBe(1);
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expect(next.getDate()).toBe(8);
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});
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});
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});
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});
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