Files
core2026/tools/integration-tests/test/battleDifferential.test.ts
T

925 lines
38 KiB
TypeScript

import { execFileSync } from 'node:child_process';
import fs from 'node:fs';
import path from 'node:path';
import { LiteHashDRBG, RandUtil, type RNG } from '@sammo-ts/common';
import {
ITEM_KEYS,
DOMESTIC_TRAIT_KEYS,
NATION_TRAIT_KEYS,
PERSONALITY_TRAIT_KEYS,
WAR_TRAIT_KEYS,
loadDomesticTraitModules,
loadItemModules,
loadNationTraitModules,
loadPersonalityTraitModules,
loadWarTraitModules,
type UnitSetDefinition,
type WarBattleTraceEvent,
type WarEngineConfig,
} from '@sammo-ts/logic';
import { describe, expect, it } from 'vitest';
import { processBattleSimJob } from '../../../app/game-api/src/battleSim/processor.js';
import type { BattleSimJobPayload, BattleSimRequestPayload } from '../../../app/game-api/src/battleSim/types.js';
interface ReferenceTrace {
engine: 'ref';
conquered: boolean;
events: WarBattleTraceEvent[];
rng: RandomCall[];
}
interface RandomCall {
seq: number;
operation: string;
arguments: Record<string, unknown>;
result: unknown;
}
interface ReferenceItemMetadata {
rawName: string;
name: string;
info: string;
cost: number | null;
buyable: boolean;
consumable: boolean;
reqSecu: number;
}
type ReferenceTraitCatalog = Record<
'nation' | 'domestic' | 'war' | 'personality',
Record<string, { name: string; info: string }>
>;
class TracingRng implements RNG {
public readonly calls: RandomCall[] = [];
public constructor(private readonly inner: RNG) {}
public getMaxInt(): number {
return this.inner.getMaxInt();
}
public nextBytes(bytes: number): Uint8Array<ArrayBuffer> {
const result = this.inner.nextBytes(bytes);
this.record('nextBytes', { bytes }, Buffer.from(result).toString('hex'));
return result;
}
public nextBits(bits: number): Uint8Array<ArrayBuffer> {
const result = this.inner.nextBits(bits);
this.record('nextBits', { bits }, Buffer.from(result).toString('hex'));
return result;
}
public nextInt(max?: number): number {
const result = this.inner.nextInt(max);
this.record('nextInt', { maxInclusive: max ?? null }, result);
return result;
}
public nextFloat1(): number {
const result = this.inner.nextFloat1();
this.record('nextFloat1', {}, result);
return result;
}
private record(operation: string, args: Record<string, unknown>, result: unknown): void {
this.calls.push({ seq: this.calls.length, operation, arguments: args, result });
}
}
const findWorkspaceRoot = (start: string): string | null => {
let current = path.resolve(start);
while (true) {
if (
fs.existsSync(path.join(current, 'docker_compose_files/reference/compose.yml')) &&
fs.existsSync(path.join(current, 'ref/sam/hwe/compare/battle_trace.php'))
) {
return current;
}
const parent = path.dirname(current);
if (parent === current) {
return null;
}
current = parent;
}
};
const readJson = <T>(filePath: string): T => JSON.parse(fs.readFileSync(filePath, 'utf8')) as T;
const runReferenceTrace = (workspaceRoot: string, fixtureJson: string): ReferenceTrace => {
const stdout = execFileSync(
'docker',
['compose', 'exec', '-T', 'php', 'php', '/var/www/html/hwe/compare/battle_trace.php', '-'],
{
cwd: path.join(workspaceRoot, 'docker_compose_files/reference'),
input: fixtureJson,
encoding: 'utf8',
stdio: ['pipe', 'pipe', 'pipe'],
}
);
return JSON.parse(stdout) as ReferenceTrace;
};
const runReferenceItemCatalog = (workspaceRoot: string, itemKeys: string[]): Record<string, ReferenceItemMetadata> => {
const stdout = execFileSync(
'docker',
['compose', 'exec', '-T', 'php', 'php', '/var/www/html/hwe/compare/item_catalog.php'],
{
cwd: path.join(workspaceRoot, 'docker_compose_files/reference'),
input: JSON.stringify(itemKeys),
encoding: 'utf8',
stdio: ['pipe', 'pipe', 'pipe'],
}
);
return JSON.parse(stdout) as Record<string, ReferenceItemMetadata>;
};
const runReferenceTraitCatalog = (workspaceRoot: string): ReferenceTraitCatalog => {
const stdout = execFileSync(
'docker',
['compose', 'exec', '-T', 'php', 'php', '/var/www/html/hwe/compare/trait_catalog.php'],
{
cwd: path.join(workspaceRoot, 'docker_compose_files/reference'),
encoding: 'utf8',
stdio: ['pipe', 'pipe', 'pipe'],
}
);
return JSON.parse(stdout) as ReferenceTraitCatalog;
};
const expectNearlyEqual = (actual: unknown, expected: unknown, label: string): void => {
expect(typeof actual, `${label}: actual type`).toBe('number');
expect(typeof expected, `${label}: reference type`).toBe('number');
if (process.env['STRICT_BATTLE_PARITY'] === '1') {
expect(actual, `${label}: exact battle parity`).toBe(expected);
return;
}
const reference = expected as number;
const tolerance = Math.max(1, Math.abs(reference) * 0.01);
expect(
Math.abs((actual as number) - reference),
`${label}: core=${String(actual)}, ref=${String(expected)}, tolerance=${tolerance}`
).toBeLessThanOrEqual(tolerance);
};
const assertTraceParity = (
coreEvents: WarBattleTraceEvent[],
reference: ReferenceTrace,
coreRng: TracingRng | null
): void => {
const coreEventNames = coreEvents.map((event) => event.event);
const referenceEventNames = reference.events.map((event) => event.event);
expect(
coreEventNames,
`event sequence\ncore=${JSON.stringify(coreEventNames)}\nref=${JSON.stringify(referenceEventNames)}`
).toEqual(referenceEventNames);
expect(coreRng?.calls.map(({ operation, result }) => ({ operation, result }))).toEqual(
reference.rng.map(({ operation, result }) => ({ operation, result }))
);
for (let index = 0; index < reference.events.length; index += 1) {
const core = coreEvents[index]!;
const ref = reference.events[index]!;
expectNearlyEqual(core.attacker.hp, ref.attacker.hp, `event ${index} attacker.hp`);
expectNearlyEqual(core.attacker.warPower, ref.attacker.warPower, `event ${index} attacker.warPower`);
if (core.defender && ref.defender) {
expect(core.defender.kind, `event ${index} defender.kind`).toBe(ref.defender.kind);
expectNearlyEqual(core.defender.hp, ref.defender.hp, `event ${index} defender.hp`);
expectNearlyEqual(core.defender.warPower, ref.defender.warPower, `event ${index} defender.warPower`);
} else {
expect(core.defender, `event ${index} defender presence`).toBe(ref.defender);
}
if (core.event === 'phase_damage') {
for (const key of ['rawDeadAttacker', 'rawDeadDefender', 'deadAttacker', 'deadDefender']) {
expectNearlyEqual(core.details[key], ref.details[key], `event ${index} ${key}`);
}
}
}
};
const workspaceRoot = findWorkspaceRoot(process.cwd());
const describeWithReference = workspaceRoot ? describe : describe.skip;
describeWithReference('ref ↔ core2026 battle differential', () => {
it('matches every legacy trait name and description', async () => {
const reference = runReferenceTraitCatalog(workspaceRoot!);
const [nation, domestic, war, personality] = await Promise.all([
loadNationTraitModules([...NATION_TRAIT_KEYS]),
loadDomesticTraitModules([...DOMESTIC_TRAIT_KEYS]),
loadWarTraitModules([...WAR_TRAIT_KEYS]),
loadPersonalityTraitModules([...PERSONALITY_TRAIT_KEYS]),
]);
const groups = { nation, domestic, war, personality };
const failures: string[] = [];
for (const [kind, modules] of Object.entries(groups) as Array<
[keyof ReferenceTraitCatalog, Array<{ key: string; name: string; info: string }>]
>) {
expect(modules.map((module) => module.key).sort()).toEqual(Object.keys(reference[kind]).sort());
for (const module of modules) {
const actual = { name: module.name, info: module.info };
if (JSON.stringify(actual) !== JSON.stringify(reference[kind][module.key])) {
failures.push(
`${kind}/${module.key}: core=${JSON.stringify(actual)} ref=${JSON.stringify(reference[kind][module.key])}`
);
}
}
}
expect(failures, failures.join('\n')).toEqual([]);
});
it('matches every war, personality, and nation trait in battle', { timeout: 180_000 }, () => {
const unitSet = readJson<UnitSetDefinition>(
path.resolve(process.cwd(), '../../resources/unitset/unitset_che.json')
);
const config: WarEngineConfig = {
armPerPhase: 500,
maxTrainByCommand: 100,
maxAtmosByCommand: 100,
maxTrainByWar: 110,
maxAtmosByWar: 150,
castleCrewTypeId: 1000,
armTypes: { footman: 1, archer: 2, cavalry: 3, wizard: 4, siege: 5, misc: 6, castle: 0 },
};
const cases = [
...WAR_TRAIT_KEYS.map((key) => ({ kind: 'war' as const, key })),
...PERSONALITY_TRAIT_KEYS.map((key) => ({ kind: 'personality' as const, key })),
...NATION_TRAIT_KEYS.map((key) => ({ kind: 'nation' as const, key })),
];
for (const entry of cases) {
const base = readJson<BattleSimRequestPayload & { startYear: number }>(
path.resolve(process.cwd(), 'fixtures/battle/basic-infantry.json')
);
base.seed = `battle-differential-trait-${entry.kind}-${entry.key}`;
base.attackerGeneral.crew = 5000;
base.attackerGeneral.leadership = 90;
base.attackerGeneral.strength = 85;
base.attackerGeneral.intel = 80;
base.attackerGeneral.special2 = entry.kind === 'war' ? entry.key : 'None';
base.attackerGeneral.personal = entry.kind === 'personality' ? entry.key : 'None';
if (entry.kind === 'nation') {
base.attackerNation.type = entry.key;
}
const coreEvents: WarBattleTraceEvent[] = [];
let coreRng: TracingRng | null = null;
processBattleSimJob(
{
...base,
unitSet,
config,
time: { year: base.year, month: base.month, startYear: base.startYear },
},
{
trace: (event) => coreEvents.push(event),
rngFactory: (seed) => {
coreRng = new TracingRng(LiteHashDRBG.build(seed));
return new RandUtil(coreRng);
},
}
);
try {
assertTraceParity(coreEvents, runReferenceTrace(workspaceRoot!, JSON.stringify(base)), coreRng);
} catch (error) {
throw new Error(`${entry.kind}/${entry.key}: ${error instanceof Error ? error.message : String(error)}`, {
cause: error,
});
}
}
});
it('loads every scenario item with the scenario slot', async () => {
const scenarioDir = path.resolve(process.cwd(), '../../resources/scenario');
const itemSlots = new Map<string, 'horse' | 'weapon' | 'book' | 'item'>();
for (const filename of fs.readdirSync(scenarioDir).filter((entry) => entry.endsWith('.json'))) {
const scenario = readJson<{
const?: {
allItems?: Partial<Record<'horse' | 'weapon' | 'book' | 'item', Record<string, number>>>;
};
}>(path.join(scenarioDir, filename));
for (const slot of ['horse', 'weapon', 'book', 'item'] as const) {
for (const itemKey of Object.keys(scenario.const?.allItems?.[slot] ?? {})) {
itemSlots.set(itemKey, slot);
}
}
}
const modules = await loadItemModules([...ITEM_KEYS]);
const reference = runReferenceItemCatalog(workspaceRoot!, [...ITEM_KEYS]);
expect(modules).toHaveLength(145);
const failures: string[] = [];
for (const module of modules) {
const actual = {
rawName: module.rawName,
name: module.name,
info: module.info,
cost: module.cost,
buyable: module.buyable,
consumable: module.consumable,
reqSecu: module.reqSecu,
};
if (
module.slot !== itemSlots.get(module.key) ||
module.unique !== !reference[module.key]?.buyable ||
JSON.stringify(actual) !== JSON.stringify(reference[module.key])
) {
failures.push(
`${module.key}: slot=${module.slot}/${String(itemSlots.get(module.key))} unique=${String(module.unique)}/${String(!reference[module.key]?.buyable)} core=${JSON.stringify(actual)} ref=${JSON.stringify(reference[module.key])}`
);
}
}
expect(failures, failures.join('\n')).toEqual([]);
});
it('matches the legacy non-stacking rule for the 무쌍 trait item', () => {
const base = readJson<BattleSimRequestPayload & { startYear: number }>(
path.resolve(process.cwd(), 'fixtures/battle/basic-infantry.json')
);
base.seed = 'battle-differential-duplicate-musang';
base.attackerGeneral.personal = 'None';
base.attackerGeneral.special2 = 'che_무쌍';
base.attackerGeneral.item = 'event_전투특기_무쌍';
base.attackerGeneral.crew = 5000;
base.attackerGeneral.leadership = 90;
base.attackerGeneral.strength = 90;
base.attackerGeneral.intel = 90;
base.attackerGeneral.dex1 = 12000;
const unitSet = readJson<UnitSetDefinition>(
path.resolve(process.cwd(), '../../resources/unitset/unitset_che.json')
);
const config: WarEngineConfig = {
armPerPhase: 500,
maxTrainByCommand: 100,
maxAtmosByCommand: 100,
maxTrainByWar: 110,
maxAtmosByWar: 150,
castleCrewTypeId: 1000,
armTypes: { footman: 1, archer: 2, cavalry: 3, wizard: 4, siege: 5, misc: 6, castle: 0 },
};
const coreEvents: WarBattleTraceEvent[] = [];
let coreRng: TracingRng | null = null;
processBattleSimJob(
{
...base,
unitSet,
config,
time: { year: base.year, month: base.month, startYear: base.startYear },
},
{
trace: (event) => coreEvents.push(event),
rngFactory: (seed) => {
coreRng = new TracingRng(LiteHashDRBG.build(seed));
return new RandUtil(coreRng);
},
}
);
assertTraceParity(coreEvents, runReferenceTrace(workspaceRoot!, JSON.stringify(base)), coreRng);
});
it('matches 척사 items against region-restricted troops', () => {
const unitSet = readJson<UnitSetDefinition>(
path.resolve(process.cwd(), '../../resources/unitset/unitset_che.json')
);
const config: WarEngineConfig = {
armPerPhase: 500,
maxTrainByCommand: 100,
maxAtmosByCommand: 100,
maxTrainByWar: 110,
maxAtmosByWar: 150,
castleCrewTypeId: 1000,
armTypes: { footman: 1, archer: 2, cavalry: 3, wizard: 4, siege: 5, misc: 6, castle: 0 },
};
for (const itemKey of ['che_척사_오악진형도', 'event_전투특기_척사']) {
const base = readJson<BattleSimRequestPayload & { startYear: number }>(
path.resolve(process.cwd(), 'fixtures/battle/basic-infantry.json')
);
base.seed = `battle-differential-region-item-${itemKey}`;
base.attackerGeneral.personal = 'None';
base.attackerGeneral.special2 = 'None';
base.attackerGeneral.item = itemKey;
base.attackerGeneral.crew = 5000;
base.defenderGenerals[0]!.crewtype = 1101;
const coreEvents: WarBattleTraceEvent[] = [];
let coreRng: TracingRng | null = null;
processBattleSimJob(
{
...base,
unitSet,
config,
time: { year: base.year, month: base.month, startYear: base.startYear },
},
{
trace: (event) => coreEvents.push(event),
rngFactory: (seed) => {
coreRng = new TracingRng(LiteHashDRBG.build(seed));
return new RandUtil(coreRng);
},
}
);
assertTraceParity(coreEvents, runReferenceTrace(workspaceRoot!, JSON.stringify(base)), coreRng);
}
});
it('keeps the detailed event sequence and phase values within 1%', () => {
const fixturePath = path.resolve(process.cwd(), 'fixtures/battle/basic-infantry.json');
const fixtureJson = fs.readFileSync(fixturePath, 'utf8');
const request = JSON.parse(fixtureJson) as BattleSimRequestPayload & { startYear: number };
const unitSet = readJson<UnitSetDefinition>(
path.resolve(process.cwd(), '../../resources/unitset/unitset_che.json')
);
const castleCrewTypeId = 1000;
const config: WarEngineConfig = {
armPerPhase: 500,
maxTrainByCommand: 100,
maxAtmosByCommand: 100,
maxTrainByWar: 110,
maxAtmosByWar: 150,
castleCrewTypeId,
armTypes: {
footman: 1,
archer: 2,
cavalry: 3,
wizard: 4,
siege: 5,
misc: 6,
castle: unitSet.crewTypes?.find((crewType) => crewType.id === castleCrewTypeId)?.armType ?? 0,
},
};
const payload: BattleSimJobPayload = {
...request,
unitSet,
config,
time: { year: request.year, month: request.month, startYear: request.startYear },
};
const coreEvents: WarBattleTraceEvent[] = [];
let coreRng: TracingRng | null = null;
const coreResult = processBattleSimJob(payload, {
trace: (event) => coreEvents.push(event),
rngFactory: (seed) => {
coreRng = new TracingRng(LiteHashDRBG.build(seed));
return new RandUtil(coreRng);
},
});
const reference = runReferenceTrace(workspaceRoot!, fixtureJson);
expect(coreResult.result).toBe(true);
assertTraceParity(coreEvents, reference, coreRng);
});
it('matches wizard strategy attempts, outcomes, and RNG consumption', () => {
const base = readJson<BattleSimRequestPayload & { startYear: number }>(
path.resolve(process.cwd(), 'fixtures/battle/basic-infantry.json')
);
base.seed = 'battle-differential-magic-v1';
base.attackerGeneral.crew = 4000;
base.attackerGeneral.crewtype = 1400;
base.attackerGeneral.leadership = 60;
base.attackerGeneral.strength = 30;
base.attackerGeneral.intel = 95;
base.attackerGeneral.special2 = 'che_신산';
base.attackerGeneral.personal = 'che_재간';
base.attackerGeneral.dex4 = 12000;
base.defenderGenerals[0]!.crew = 4000;
base.defenderGenerals[0]!.crewtype = 1100;
base.defenderGenerals[0]!.leadership = 65;
base.defenderGenerals[0]!.strength = 75;
base.defenderGenerals[0]!.intel = 35;
base.defenderGenerals[0]!.special2 = 'che_견고';
base.defenderGenerals[0]!.personal = 'che_유지';
const fixtureJson = JSON.stringify(base);
const unitSet = readJson<UnitSetDefinition>(
path.resolve(process.cwd(), '../../resources/unitset/unitset_che.json')
);
const config: WarEngineConfig = {
armPerPhase: 500,
maxTrainByCommand: 100,
maxAtmosByCommand: 100,
maxTrainByWar: 110,
maxAtmosByWar: 150,
castleCrewTypeId: 1000,
armTypes: { footman: 1, archer: 2, cavalry: 3, wizard: 4, siege: 5, misc: 6, castle: 0 },
};
const payload: BattleSimJobPayload = {
...base,
unitSet,
config,
time: { year: base.year, month: base.month, startYear: base.startYear },
};
const coreEvents: WarBattleTraceEvent[] = [];
let coreRng: TracingRng | null = null;
const result = processBattleSimJob(payload, {
trace: (event) => coreEvents.push(event),
rngFactory: (seed) => {
coreRng = new TracingRng(LiteHashDRBG.build(seed));
return new RandUtil(coreRng);
},
});
const reference = runReferenceTrace(workspaceRoot!, fixtureJson);
expect(result.result).toBe(true);
expect(
reference.events.some((event) =>
Object.keys(event.attacker.activatedSkills).some((skill) => ['계략', '계략실패'].includes(skill))
)
).toBe(true);
assertTraceParity(coreEvents, reference, coreRng);
});
it('matches cavalry, item, inherit-buff, and multiple-defender handling', () => {
const base = readJson<BattleSimRequestPayload & { startYear: number }>(
path.resolve(process.cwd(), 'fixtures/battle/basic-infantry.json')
);
base.seed = 'battle-differential-cavalry-items-v1';
base.attackerGeneral.crew = 7000;
base.attackerGeneral.crewtype = 1300;
base.attackerGeneral.leadership = 88;
base.attackerGeneral.strength = 92;
base.attackerGeneral.intel = 55;
base.attackerGeneral.special2 = 'che_기병';
base.attackerGeneral.personal = 'che_패권';
base.attackerGeneral.horse = 'che_명마_07_백상';
base.attackerGeneral.dex3 = 18000;
base.attackerGeneral.inheritBuff = {
warAvoidRatio: 2,
warCriticalRatio: 3,
warCriticalRatioOppose: 2,
};
const firstDefender = base.defenderGenerals[0]!;
firstDefender.crew = 900;
firstDefender.crewtype = 1200;
firstDefender.leadership = 58;
firstDefender.strength = 55;
firstDefender.intel = 62;
firstDefender.dex2 = 6000;
firstDefender.inheritBuff = { warAvoidRatioOppose: 2 };
base.defenderGenerals.push({
...firstDefender,
no: 3,
name: '수비자2',
crew: 1100,
crewtype: 1300,
leadership: 64,
strength: 72,
intel: 48,
dex2: 0,
dex3: 8000,
special2: 'che_기병',
personal: 'che_패권',
horse: 'che_명마_07_백상',
inheritBuff: {
warAvoidRatio: 1,
warCriticalRatioOppose: 1,
},
});
const fixtureJson = JSON.stringify(base);
const unitSet = readJson<UnitSetDefinition>(
path.resolve(process.cwd(), '../../resources/unitset/unitset_che.json')
);
const config: WarEngineConfig = {
armPerPhase: 500,
maxTrainByCommand: 100,
maxAtmosByCommand: 100,
maxTrainByWar: 110,
maxAtmosByWar: 150,
castleCrewTypeId: 1000,
armTypes: { footman: 1, archer: 2, cavalry: 3, wizard: 4, siege: 5, misc: 6, castle: 0 },
};
const payload: BattleSimJobPayload = {
...base,
unitSet,
config,
time: { year: base.year, month: base.month, startYear: base.startYear },
};
const coreEvents: WarBattleTraceEvent[] = [];
let coreRng: TracingRng | null = null;
const result = processBattleSimJob(payload, {
trace: (event) => coreEvents.push(event),
rngFactory: (seed) => {
coreRng = new TracingRng(LiteHashDRBG.build(seed));
return new RandUtil(coreRng);
},
});
const reference = runReferenceTrace(workspaceRoot!, fixtureJson);
expect(result.result).toBe(true);
expect(reference.events.filter((event) => event.event === 'opponent_switched')).toHaveLength(2);
assertTraceParity(coreEvents, reference, coreRng);
});
it('matches siege dexterity and castle damage handling', () => {
const base = readJson<BattleSimRequestPayload & { startYear: number }>(
path.resolve(process.cwd(), 'fixtures/battle/basic-infantry.json')
);
base.seed = 'battle-differential-siege-v1';
base.attackerGeneral.crew = 5000;
base.attackerGeneral.crewtype = 1501;
base.attackerGeneral.leadership = 90;
base.attackerGeneral.strength = 65;
base.attackerGeneral.intel = 55;
base.attackerGeneral.dex5 = 16000;
base.defenderGenerals[0]!.crew = 300;
base.defenderGenerals[0]!.crewtype = 1200;
base.defenderGenerals[0]!.leadership = 65;
base.defenderGenerals[0]!.strength = 72;
base.defenderGenerals[0]!.intel = 50;
base.defenderGenerals[0]!.dex2 = 10000;
const fixtureJson = JSON.stringify(base);
const unitSet = readJson<UnitSetDefinition>(
path.resolve(process.cwd(), '../../resources/unitset/unitset_che.json')
);
const config: WarEngineConfig = {
armPerPhase: 500,
maxTrainByCommand: 100,
maxAtmosByCommand: 100,
maxTrainByWar: 110,
maxAtmosByWar: 150,
castleCrewTypeId: 1000,
armTypes: { footman: 1, archer: 2, cavalry: 3, wizard: 4, siege: 5, misc: 6, castle: 0 },
};
const payload: BattleSimJobPayload = {
...base,
unitSet,
config,
time: { year: base.year, month: base.month, startYear: base.startYear },
};
const coreEvents: WarBattleTraceEvent[] = [];
let coreRng: TracingRng | null = null;
const result = processBattleSimJob(payload, {
trace: (event) => coreEvents.push(event),
rngFactory: (seed) => {
coreRng = new TracingRng(LiteHashDRBG.build(seed));
return new RandUtil(coreRng);
},
});
const reference = runReferenceTrace(workspaceRoot!, fixtureJson);
expect(result.result).toBe(true);
expect(reference.events.some((event) => event.defender?.kind === 'city')).toBe(true);
assertTraceParity(coreEvents, reference, coreRng);
});
it('matches the no-defender supply-retreat branch without consuming RNG', () => {
const base = readJson<BattleSimRequestPayload & { startYear: number }>(
path.resolve(process.cwd(), 'fixtures/battle/basic-infantry.json')
);
base.seed = 'battle-differential-supply-v1';
base.defenderGenerals = [];
base.defenderNation.rice = 0;
const fixtureJson = JSON.stringify(base);
const unitSet = readJson<UnitSetDefinition>(
path.resolve(process.cwd(), '../../resources/unitset/unitset_che.json')
);
const config: WarEngineConfig = {
armPerPhase: 500,
maxTrainByCommand: 100,
maxAtmosByCommand: 100,
maxTrainByWar: 110,
maxAtmosByWar: 150,
castleCrewTypeId: 1000,
armTypes: { footman: 1, archer: 2, cavalry: 3, wizard: 4, siege: 5, misc: 6, castle: 0 },
};
const payload: BattleSimJobPayload = {
...base,
unitSet,
config,
time: { year: base.year, month: base.month, startYear: base.startYear },
};
const coreEvents: WarBattleTraceEvent[] = [];
let coreRng: TracingRng | null = null;
const result = processBattleSimJob(payload, {
trace: (event) => coreEvents.push(event),
rngFactory: (seed) => {
coreRng = new TracingRng(LiteHashDRBG.build(seed));
return new RandUtil(coreRng);
},
});
const reference = runReferenceTrace(workspaceRoot!, fixtureJson);
expect(result.result).toBe(true);
expect(reference.events.map((event) => event.event)).toEqual(['battle_start', 'supply_retreat', 'battle_end']);
assertTraceParity(coreEvents, reference, coreRng);
});
it('matches every scenario item in an attacker battle simulation', { timeout: 180_000 }, () => {
const scenarioDir = path.resolve(process.cwd(), '../../resources/scenario');
const itemSlots = new Map<string, 'horse' | 'weapon' | 'book' | 'item'>();
for (const filename of fs.readdirSync(scenarioDir).filter((entry) => entry.endsWith('.json'))) {
const scenario = readJson<{
const?: {
allItems?: Partial<Record<'horse' | 'weapon' | 'book' | 'item', Record<string, number>>>;
};
}>(path.join(scenarioDir, filename));
for (const slot of ['horse', 'weapon', 'book', 'item'] as const) {
for (const itemKey of Object.keys(scenario.const?.allItems?.[slot] ?? {})) {
itemSlots.set(itemKey, slot);
}
}
}
expect(itemSlots.size).toBe(145);
expect([...ITEM_KEYS].sort()).toEqual([...itemSlots.keys()].sort());
const unitSet = readJson<UnitSetDefinition>(
path.resolve(process.cwd(), '../../resources/unitset/unitset_che.json')
);
const config: WarEngineConfig = {
armPerPhase: 500,
maxTrainByCommand: 100,
maxAtmosByCommand: 100,
maxTrainByWar: 110,
maxAtmosByWar: 150,
castleCrewTypeId: 1000,
armTypes: {
footman: 1,
archer: 2,
cavalry: 3,
wizard: 4,
siege: 5,
misc: 6,
castle: 0,
},
};
const failures: string[] = [];
const itemFilter = process.env['ITEM_PARITY_FILTER'];
for (const [itemKey, slot] of [...itemSlots].sort(([lhs], [rhs]) => lhs.localeCompare(rhs))) {
if (itemFilter && itemKey !== itemFilter) {
continue;
}
const base = readJson<BattleSimRequestPayload & { startYear: number }>(
path.resolve(process.cwd(), 'fixtures/battle/basic-infantry.json')
);
base.seed = `battle-differential-item-${itemKey}`;
base.attackerGeneral.personal = 'None';
base.attackerGeneral.special2 = 'None';
base.attackerGeneral.crew = 5000;
base.attackerGeneral.leadership = 90;
base.attackerGeneral.strength = 90;
base.attackerGeneral.intel = 90;
base.attackerGeneral.dex1 = 12000;
base.attackerGeneral.dex2 = 12000;
base.attackerGeneral.dex3 = 12000;
base.attackerGeneral.dex4 = 12000;
base.attackerGeneral.dex5 = 12000;
base.attackerGeneral[slot] = itemKey;
const defender = base.defenderGenerals[0]!;
defender.personal = 'None';
defender.special2 = 'None';
defender.crew = 1500;
defender.leadership = 75;
defender.strength = 75;
defender.intel = 75;
base.defenderCity.wall = 3000;
base.defenderCity.wall_max = 3000;
const payload: BattleSimJobPayload = {
...base,
unitSet,
config,
time: { year: base.year, month: base.month, startYear: base.startYear },
};
const coreEvents: WarBattleTraceEvent[] = [];
let coreRng: TracingRng | null = null;
processBattleSimJob(payload, {
trace: (event) => coreEvents.push(event),
rngFactory: (seed) => {
coreRng = new TracingRng(LiteHashDRBG.build(seed));
return new RandUtil(coreRng);
},
});
const reference = runReferenceTrace(workspaceRoot!, JSON.stringify(base));
try {
assertTraceParity(coreEvents, reference, coreRng);
} catch (error) {
const debug =
process.env['ITEM_PARITY_DEBUG'] === '1'
? `\ncore=${JSON.stringify(
coreEvents
.map((event, index) => ({ index, event }))
.filter(({ event }) => event.event === 'phase_power' || event.event === 'phase_damage')
)}\nref=${JSON.stringify(
reference.events
.map((event, index) => ({ index, event }))
.filter(({ event }) => event.event === 'phase_power' || event.event === 'phase_damage')
)}`
: '';
failures.push(`${itemKey}: ${error instanceof Error ? error.message : String(error)}${debug}`);
}
}
expect(failures, failures.join('\n')).toEqual([]);
});
it('matches every scenario item in a defender battle simulation', { timeout: 180_000 }, () => {
const scenarioDir = path.resolve(process.cwd(), '../../resources/scenario');
const itemSlots = new Map<string, 'horse' | 'weapon' | 'book' | 'item'>();
for (const filename of fs.readdirSync(scenarioDir).filter((entry) => entry.endsWith('.json'))) {
const scenario = readJson<{
const?: {
allItems?: Partial<Record<'horse' | 'weapon' | 'book' | 'item', Record<string, number>>>;
};
}>(path.join(scenarioDir, filename));
for (const slot of ['horse', 'weapon', 'book', 'item'] as const) {
for (const itemKey of Object.keys(scenario.const?.allItems?.[slot] ?? {})) {
itemSlots.set(itemKey, slot);
}
}
}
const unitSet = readJson<UnitSetDefinition>(
path.resolve(process.cwd(), '../../resources/unitset/unitset_che.json')
);
const config: WarEngineConfig = {
armPerPhase: 500,
maxTrainByCommand: 100,
maxAtmosByCommand: 100,
maxTrainByWar: 110,
maxAtmosByWar: 150,
castleCrewTypeId: 1000,
armTypes: {
footman: 1,
archer: 2,
cavalry: 3,
wizard: 4,
siege: 5,
misc: 6,
castle: 0,
},
};
const failures: string[] = [];
const itemFilter = process.env['ITEM_PARITY_FILTER'];
for (const [itemKey, slot] of [...itemSlots].sort(([lhs], [rhs]) => lhs.localeCompare(rhs))) {
if (itemFilter && itemKey !== itemFilter) {
continue;
}
const base = readJson<BattleSimRequestPayload & { startYear: number }>(
path.resolve(process.cwd(), 'fixtures/battle/basic-infantry.json')
);
base.seed = `battle-differential-defender-item-${itemKey}`;
base.attackerGeneral.personal = 'None';
base.attackerGeneral.special2 = 'None';
base.attackerGeneral.crew = 1500;
base.attackerGeneral.leadership = 75;
base.attackerGeneral.strength = 75;
base.attackerGeneral.intel = 75;
const defender = base.defenderGenerals[0]!;
defender.personal = 'None';
defender.special2 = 'None';
defender.crew = 5000;
defender.leadership = 90;
defender.strength = 90;
defender.intel = 90;
defender.dex1 = 12000;
defender.dex2 = 12000;
defender.dex3 = 12000;
defender.dex4 = 12000;
defender.dex5 = 12000;
defender[slot] = itemKey;
const payload: BattleSimJobPayload = {
...base,
unitSet,
config,
time: { year: base.year, month: base.month, startYear: base.startYear },
};
const coreEvents: WarBattleTraceEvent[] = [];
let coreRng: TracingRng | null = null;
processBattleSimJob(payload, {
trace: (event) => coreEvents.push(event),
rngFactory: (seed) => {
coreRng = new TracingRng(LiteHashDRBG.build(seed));
return new RandUtil(coreRng);
},
});
const reference = runReferenceTrace(workspaceRoot!, JSON.stringify(base));
try {
assertTraceParity(coreEvents, reference, coreRng);
} catch (error) {
const debug =
process.env['ITEM_PARITY_DEBUG'] === '1'
? `\ncore=${JSON.stringify(
coreEvents
.map((event, index) => ({ index, event }))
.filter(({ event }) => event.event === 'phase_power' || event.event === 'phase_damage')
)}\nref=${JSON.stringify(
reference.events
.map((event, index) => ({ index, event }))
.filter(({ event }) => event.event === 'phase_power' || event.event === 'phase_damage')
)}`
: '';
failures.push(`${itemKey}: ${error instanceof Error ? error.message : String(error)}${debug}`);
}
}
expect(failures, failures.join('\n')).toEqual([]);
});
});