71 lines
1.7 KiB
TypeScript
71 lines
1.7 KiB
TypeScript
import { describe, expect, it } from 'vitest';
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import {
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RacingDomainValidationError,
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} from '../errors/RacingDomainError';
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import {
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SeasonDropPolicy,
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type SeasonDropStrategy,
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} from './SeasonDropPolicy';
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describe('SeasonDropPolicy', () => {
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it('allows strategy "none" with undefined n', () => {
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const policy = new SeasonDropPolicy({ strategy: 'none' });
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expect(policy.strategy).toBe('none');
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expect(policy.n).toBeUndefined();
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});
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it('throws when strategy "none" has n defined', () => {
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expect(
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() =>
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new SeasonDropPolicy({
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strategy: 'none',
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n: 1,
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}),
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).toThrow(RacingDomainValidationError);
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});
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it('requires positive integer n for "bestNResults" and "dropWorstN"', () => {
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const strategies: SeasonDropStrategy[] = ['bestNResults', 'dropWorstN'];
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for (const strategy of strategies) {
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expect(
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() =>
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new SeasonDropPolicy({
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strategy,
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n: 0,
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}),
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).toThrow(RacingDomainValidationError);
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expect(
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() =>
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new SeasonDropPolicy({
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strategy,
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n: -1,
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}),
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).toThrow(RacingDomainValidationError);
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}
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const okBest = new SeasonDropPolicy({
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strategy: 'bestNResults',
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n: 3,
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});
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const okDrop = new SeasonDropPolicy({
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strategy: 'dropWorstN',
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n: 2,
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});
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expect(okBest.n).toBe(3);
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expect(okDrop.n).toBe(2);
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});
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it('equals compares strategy and n', () => {
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const a = new SeasonDropPolicy({ strategy: 'none' });
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const b = new SeasonDropPolicy({ strategy: 'none' });
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const c = new SeasonDropPolicy({ strategy: 'bestNResults', n: 3 });
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expect(a.equals(b)).toBe(true);
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expect(a.equals(c)).toBe(false);
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});
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}); |