claude (blind_chess)
a574100e25
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
39 lines
1.4 KiB
TypeScript
39 lines
1.4 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { opponentStartPosition, deserializePhantoms } from '../src/phantoms.js';
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describe('opponentStartPosition', () => {
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it('seeds 16 black pieces on ranks 7-8', () => {
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const p = opponentStartPosition('b');
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expect(Object.keys(p).length).toBe(16);
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expect(p.e8).toEqual({ color: 'b', type: 'k' });
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expect(p.d8).toEqual({ color: 'b', type: 'q' });
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expect(p.a8).toEqual({ color: 'b', type: 'r' });
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expect(p.h7).toEqual({ color: 'b', type: 'p' });
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});
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it('seeds 16 white pieces on ranks 1-2', () => {
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const p = opponentStartPosition('w');
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expect(Object.keys(p).length).toBe(16);
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expect(p.e1).toEqual({ color: 'w', type: 'k' });
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expect(p.a2).toEqual({ color: 'w', type: 'p' });
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});
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});
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describe('deserializePhantoms', () => {
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it('returns {} for null or invalid JSON', () => {
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expect(deserializePhantoms(null)).toEqual({});
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expect(deserializePhantoms('not json')).toEqual({});
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expect(deserializePhantoms('[]')).toEqual({});
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});
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it('keeps valid entries and drops invalid ones', () => {
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const raw = JSON.stringify({
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e5: { color: 'b', type: 'n' },
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zz: { color: 'b', type: 'p' }, // invalid square
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a1: { color: 'x', type: 'p' }, // invalid colour
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b2: { color: 'b', type: 'z' }, // invalid type
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});
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expect(deserializePhantoms(raw)).toEqual({ e5: { color: 'b', type: 'n' } });
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});
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});
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