Files
the-beacon/tests/strategy_engine.test.cjs
Alexander Whitestone 6fe317fc2a
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feat: strategy engine tournaments for paperclips study (#5)
2026-04-14 23:29:59 -04:00

118 lines
4.0 KiB
JavaScript

const test = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');
const vm = require('node:vm');
const ROOT = path.resolve(__dirname, '..');
function loadStrategy() {
const dataSrc = fs.readFileSync(path.join(ROOT, 'js/data.js'), 'utf8');
const utilsSrc = fs.readFileSync(path.join(ROOT, 'js/utils.js'), 'utf8');
const renderSrc = fs.readFileSync(path.join(ROOT, 'js/render.js'), 'utf8');
const strategySrc = fs.readFileSync(path.join(ROOT, 'js/strategy.js'), 'utf8');
const context = {
console,
Math,
Date,
window: {},
document: {
getElementById() { return null; },
body: { appendChild() {} },
createElement() { return { style: {}, appendChild() {}, remove() {}, setAttribute() {}, innerHTML: '', textContent: '' }; },
querySelector() { return null; },
querySelectorAll() { return []; },
},
showToast() {},
log() {},
canAffordBuilding() { return false; },
localStorage: {
_raw: null,
getItem() { return this._raw; },
setItem(_k, v) { this._raw = v; },
removeItem() { this._raw = null; },
},
EVENTS: [],
updateRates() {},
showOfflinePopup() {},
Combat: { renderCombatPanel() {} },
};
vm.createContext(context);
vm.runInContext(`${dataSrc}\n${utilsSrc}\n${renderSrc}\n${strategySrc}\nthis.__exports = { G, StrategyEngine, STRATEGY_LIBRARY, saveGame: typeof saveGame === 'function' ? saveGame : null, loadGame: typeof loadGame === 'function' ? loadGame : null };`, context);
return context.__exports;
}
test('strategy engine exposes eight game theory strategies', () => {
const { STRATEGY_LIBRARY } = loadStrategy();
assert.deepEqual(Object.keys(STRATEGY_LIBRARY).sort(), [
'cooperate', 'defect', 'generous', 'greedy', 'grim', 'minimax', 'random', 'tit_for_tat'
]);
});
test('strategy engine unlocks strategies progressively by knowledge', () => {
const { G, StrategyEngine } = loadStrategy();
G.strategicFlag = 1;
G.totalKnowledge = 16000;
const sse = new StrategyEngine();
assert.equal(sse.getUnlockedStrategies().length, 4);
G.totalKnowledge = 25000;
assert.equal(sse.getUnlockedStrategies().length, 6);
G.totalKnowledge = 60000;
assert.equal(sse.getUnlockedStrategies().length, 8);
});
test('round-robin tournament produces a sorted leaderboard', () => {
const { G, StrategyEngine } = loadStrategy();
G.strategicFlag = 1;
G.totalKnowledge = 60000;
const sse = new StrategyEngine();
const board = sse.runTournament(6);
assert.ok(board.length >= 8);
for (let i = 1; i < board.length; i++) {
assert.ok(board[i - 1].score >= board[i].score);
}
});
test('auto-tournament mode awards Yomi as knowledge over time', () => {
const { G, StrategyEngine } = loadStrategy();
G.strategicFlag = 1;
G.totalKnowledge = 60000;
G.autoTournamentUnlocked = true;
G.autoTournamentEnabled = true;
G.strategyPoints = 0;
const sse = new StrategyEngine();
sse.tick(31);
assert.ok(G.strategyPoints > 0);
assert.ok(G.totalKnowledge > 60000);
assert.ok(Array.isArray(G.strategyLeaderboard));
assert.ok(G.strategyLeaderboard.length > 0);
});
test('strategy state persists through save/load payload fields', () => {
const { G, saveGame, loadGame } = loadStrategy();
assert.equal(typeof saveGame, 'function');
assert.equal(typeof loadGame, 'function');
G.startedAt = Date.now();
G.strategyPoints = 42;
G.autoTournamentUnlocked = true;
G.autoTournamentEnabled = true;
G.strategyLastRunAt = 123456;
G.strategyLeaderboard = [{ id: 'tit_for_tat', score: 99 }];
saveGame();
G.strategyPoints = 0;
G.autoTournamentUnlocked = false;
G.autoTournamentEnabled = false;
G.strategyLastRunAt = 0;
G.strategyLeaderboard = [];
assert.equal(loadGame(), true);
assert.equal(G.strategyPoints, 42);
assert.equal(G.autoTournamentUnlocked, true);
assert.equal(G.autoTournamentEnabled, true);
assert.equal(G.strategyLastRunAt, 123456);
assert.equal(G.strategyLeaderboard[0].id, 'tit_for_tat');
});