Files
core2026/app/game-engine/test/helpers/turnTestHarness.ts
T

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TypeScript

import { vi } from 'vitest';
import type { LogEntryDraft, MapDefinition, TurnSchedule } from '@sammo-ts/logic';
import type { TurnWorldSnapshot, TurnWorldState } from '../../src/turn/types.js';
import type { InMemoryTurnWorld, GeneralTurnHandler } from '../../src/turn/inMemoryWorld.js';
import type { TurnCalendarHandler } from '../../src/turn/inMemoryWorld.js';
import { InMemoryTurnWorld as InMemoryTurnWorldClass } from '../../src/turn/inMemoryWorld.js';
import { InMemoryReservedTurnStore } from '../../src/turn/reservedTurnStore.js';
import { createReservedTurnHandler } from '../../src/turn/reservedTurnHandler.js';
import type { InMemoryTurnProcessorOptions } from '../../src/turn/inMemoryTurnProcessor.js';
import { InMemoryTurnProcessor } from '../../src/turn/inMemoryTurnProcessor.js';
import { composeCalendarHandlers } from '../../src/turn/calendarHandlers.js';
import { createIncomeHandler } from '../../src/turn/incomeHandler.js';
import { createNpcTaxHandler } from '../../src/turn/npcTaxHandler.js';
import { createFrontStateHandler } from '../../src/turn/frontStateHandler.js';
import { createNationTurnMonthlyHandler } from '../../src/turn/nationTurnMonthlyHandler.js';
export const createMockPrisma = (initialGeneralRows: any[] = []) => {
let generalRows = [...initialGeneralRows];
return {
generalTurn: {
findMany: vi.fn(async ({ where } = {}) => {
if (where?.generalId) {
return generalRows
.filter((row) => row.generalId === where.generalId)
.sort((a, b) => a.turnIdx - b.turnIdx);
}
return generalRows;
}),
deleteMany: vi.fn(async ({ where } = {}) => {
if (where?.generalId) {
generalRows = generalRows.filter((row) => row.generalId !== where.generalId);
}
return { count: 0 };
}),
createMany: vi.fn(async ({ data }) => {
if (Array.isArray(data)) {
generalRows.push(...data);
}
return { count: data.length };
}),
},
nationTurn: {
findMany: vi.fn(async () => []),
deleteMany: vi.fn(async () => ({ count: 0 })),
createMany: vi.fn(async () => ({ count: 0 })),
},
};
};
export const addMinutes = (time: Date, minutes: number): Date => new Date(time.getTime() + minutes * 60_000);
export type TurnHarnessRunOptions = {
minutes?: number;
budgetMs?: number;
maxGenerals?: number;
catchUpCap?: number;
};
export type TurnTestHarnessOptions = {
snapshot: TurnWorldSnapshot;
state: TurnWorldState;
schedule: TurnSchedule;
map?: MapDefinition;
reservedTurnStoreOptions?: {
maxGeneralTurns: number;
maxNationTurns: number;
};
turnProcessorOptions?: {
tickMinutes: number;
afterExecuteGeneral?: InMemoryTurnProcessorOptions['afterExecuteGeneral'];
};
worldRef?: { current: InMemoryTurnWorld | null };
onActionResolved?: Parameters<typeof createReservedTurnHandler>[0]['onActionResolved'];
commandRngFactory?: Parameters<typeof createReservedTurnHandler>[0]['commandRngFactory'];
wrapGeneralTurnHandler?: (handler: GeneralTurnHandler) => GeneralTurnHandler;
extraCalendarHandlers?: TurnCalendarHandler[];
collectLogs?: boolean;
};
const defaultRunOptions = {
budgetMs: 10000,
maxGenerals: 100000,
catchUpCap: 1,
} satisfies Required<Omit<TurnHarnessRunOptions, 'minutes'>>;
export const createTurnTestHarness = async (options: TurnTestHarnessOptions) => {
const stateMeta = { ...options.state.meta } as Record<string, unknown>;
if (typeof stateMeta.killturn !== 'number' || !Number.isFinite(stateMeta.killturn)) {
stateMeta.killturn = 24;
}
const state: TurnWorldState = {
...options.state,
meta: stateMeta,
};
const mockPrisma = createMockPrisma();
const reservedTurnStore = new InMemoryReservedTurnStore(mockPrisma as any, {
maxGeneralTurns: 10,
maxNationTurns: 10,
...(options.reservedTurnStoreOptions ?? {}),
});
await reservedTurnStore.loadAll();
const worldRef = options.worldRef ?? { current: null as InMemoryTurnWorld | null };
const handler = await createReservedTurnHandler({
reservedTurns: reservedTurnStore,
scenarioConfig: options.snapshot.scenarioConfig,
scenarioMeta: options.snapshot.scenarioMeta,
map: options.map,
unitSet: options.snapshot.unitSet,
getWorld: () => worldRef.current,
onActionResolved: options.onActionResolved,
commandRngFactory: options.commandRngFactory,
});
const generalTurnHandler = options.wrapGeneralTurnHandler ? options.wrapGeneralTurnHandler(handler) : handler;
const incomeHandler = createIncomeHandler({
getWorld: () => worldRef.current,
scenarioConfig: options.snapshot.scenarioConfig,
nationTraits: new Map(),
});
const npcTaxHandler = createNpcTaxHandler({
getWorld: () => worldRef.current,
});
const frontStateHandler = createFrontStateHandler({
getWorld: () => worldRef.current,
map: options.map,
});
const nationTurnMonthlyHandler = createNationTurnMonthlyHandler({
getWorld: () => worldRef.current,
});
const calendarHandler = composeCalendarHandlers(
nationTurnMonthlyHandler,
incomeHandler,
npcTaxHandler,
frontStateHandler,
...(options.extraCalendarHandlers ?? [])
);
const world = new InMemoryTurnWorldClass(state, options.snapshot, {
schedule: options.schedule,
generalTurnHandler,
calendarHandler,
});
worldRef.current = world;
const processor = new InMemoryTurnProcessor(world, {
tickMinutes: options.turnProcessorOptions?.tickMinutes ?? 10,
afterExecuteGeneral: options.turnProcessorOptions?.afterExecuteGeneral,
});
const collectedLogs: LogEntryDraft[] = [];
const collectWorldLogs = () => {
if (!options.collectLogs) {
return;
}
const { logs } = world.consumeDirtyState();
if (logs.length > 0) {
collectedLogs.push(...logs);
}
};
const runOneTick = async (runOptions: TurnHarnessRunOptions = {}) => {
const minutes = runOptions.minutes ?? options.turnProcessorOptions?.tickMinutes ?? 10;
const target = addMinutes(world.getState().lastTurnTime, minutes);
await processor.run(target, {
budgetMs: runOptions.budgetMs ?? defaultRunOptions.budgetMs,
maxGenerals: runOptions.maxGenerals ?? defaultRunOptions.maxGenerals,
catchUpCap: runOptions.catchUpCap ?? defaultRunOptions.catchUpCap,
});
collectWorldLogs();
};
const runUntil = async (
shouldStop: (state: TurnWorldState) => boolean,
runOptions?: TurnHarnessRunOptions,
afterTick?: (state: TurnWorldState, world: InMemoryTurnWorld) => void
) => {
while (true) {
await runOneTick(runOptions);
const state = world.getState();
afterTick?.(state, world);
if (shouldStop(state)) {
break;
}
}
};
return {
world,
worldRef,
reservedTurnStore,
handler,
processor,
runOneTick,
runUntil,
getCollectedLogs: () => [...collectedLogs],
getCollectedLogsCount: () => collectedLogs.length,
getCollectedLogsRange: (start: number, end?: number) => collectedLogs.slice(start, end ?? collectedLogs.length),
getAndClearCollectedLogs: () => collectedLogs.splice(0, collectedLogs.length),
};
};
export type DebugWatchTargets = {
cityIds?: number[];
nationIds?: number[];
includeNationSummary?: boolean;
};
const toList = (value?: number[] | number): number[] => {
if (Array.isArray(value)) return value;
if (typeof value === 'number') return [value];
return [];
};
const formatCity = (city: ReturnType<InMemoryTurnWorld['getCityById']>) => {
if (!city) return null;
return {
id: city.id,
name: city.name,
nationId: city.nationId,
level: city.level,
state: city.state,
population: city.population,
populationMax: city.populationMax,
agriculture: city.agriculture,
agricultureMax: city.agricultureMax,
commerce: city.commerce,
commerceMax: city.commerceMax,
security: city.security,
securityMax: city.securityMax,
defence: city.defence,
defenceMax: city.defenceMax,
wall: city.wall,
wallMax: city.wallMax,
supplyState: city.supplyState,
frontState: city.frontState,
meta: city.meta,
};
};
export const createWorldDebugger = (getWorld: () => InMemoryTurnWorld | null, watchTargets: DebugWatchTargets = {}) => {
const dumpWorldSummary = (label = 'WORLD') => {
const world = getWorld();
if (!world) {
console.log(`[DEBUG] ${label} (no world)`);
return;
}
const nations = world.listNations();
const cities = world.listCities();
const generals = world.listGenerals();
const neutralCities = cities.filter((city) => city.nationId <= 0).length;
const state = world.getState();
console.log('[DEBUG] world summary', {
label,
year: state.currentYear,
month: state.currentMonth,
nations: nations.length,
cities: cities.length,
generals: generals.length,
neutralCities,
});
if (watchTargets.includeNationSummary) {
const nationSummaries = nations.map((nation) => {
const cityCount = cities.filter((city) => city.nationId === nation.id).length;
const generalCount = generals.filter((general) => general.nationId === nation.id).length;
return {
id: nation.id,
name: nation.name,
level: nation.level,
typeCode: nation.typeCode,
capitalCityId: nation.capitalCityId,
chiefGeneralId: nation.chiefGeneralId,
gold: nation.gold,
rice: nation.rice,
power: nation.power,
cityCount,
generalCount,
meta: nation.meta,
};
});
console.log('[DEBUG] nation summary', nationSummaries);
}
};
const dumpCity = (cityId: number, label = 'CITY') => {
const world = getWorld();
if (!world) {
console.log(`[DEBUG] ${label} (no world)`);
return;
}
const city = world.getCityById(cityId);
console.log('[DEBUG] city detail', { label, cityId, city: formatCity(city) });
};
const dumpNation = (nationId: number, label = 'NATION') => {
const world = getWorld();
if (!world) {
console.log(`[DEBUG] ${label} (no world)`);
return;
}
const nation = world.getNationById(nationId);
if (!nation) {
console.log('[DEBUG] nation detail', { label, nationId, nation: null });
return;
}
const cities = world.listCities().filter((city) => city.nationId === nationId);
const generals = world.listGenerals().filter((general) => general.nationId === nationId);
console.log('[DEBUG] nation detail', {
label,
nationId,
nation: {
id: nation.id,
name: nation.name,
level: nation.level,
typeCode: nation.typeCode,
capitalCityId: nation.capitalCityId,
chiefGeneralId: nation.chiefGeneralId,
gold: nation.gold,
rice: nation.rice,
power: nation.power,
meta: nation.meta,
},
cityCount: cities.length,
generalCount: generals.length,
});
};
const dumpWatched = (label = 'WATCH') => {
const { cityIds, nationIds } = watchTargets;
dumpWorldSummary(label);
for (const id of toList(nationIds)) {
dumpNation(id, label);
}
for (const id of toList(cityIds)) {
dumpCity(id, label);
}
};
return {
dumpWorldSummary,
dumpCity,
dumpNation,
dumpWatched,
};
};