rpg-mcp

import { describe, it, expect } from 'vitest'; import { generateWorld } from '../../src/engine/worldgen/index'; describe('World Generation Determinism', () => { it('should generate identical worlds from the same seed', () => { const seed = 'determinism-test-123'; const width = 50; const height = 50; const options = { seed, width, height, numRegions: 5, numCities: 3, numTowns: 5, numDungeons: 3 }; const world1 = generateWorld(options); const world2 = generateWorld(options); // Check elevation expect(world1.elevation).toEqual(world2.elevation); // Check temperature expect(world1.temperature).toEqual(world2.temperature); // Check moisture expect(world1.moisture).toEqual(world2.moisture); // Check biomes expect(world1.biomes).toEqual(world2.biomes); // Check rivers expect(world1.rivers).toEqual(world2.rivers); // Check regions expect(world1.regionMap).toEqual(world2.regionMap); expect(world1.regions).toEqual(world2.regions); // Check structures expect(world1.structures).toEqual(world2.structures); }); it('should generate different worlds from different seeds', () => { const width = 50; const height = 50; const world1 = generateWorld({ seed: 'seed-a', width, height }); const world2 = generateWorld({ seed: 'seed-b', width, height }); // At least one component should be different const elevationDifferent = !world1.elevation.every((v, i) => v === world2.elevation[i]); const biomeDifferent = JSON.stringify(world1.biomes) !== JSON.stringify(world2.biomes); expect(elevationDifferent || biomeDifferent).toBe(true); }); });