Files
Dune/tests/choam-charity.test.ts
T
Quintine 28ba1618ba Implement Homeworld mechanics through Caladan reinforcement checkpoint
Connect typed Homeworld custody, transport, battle, income, revival and Caladan reinforcement flows with private multiplayer recovery and controls. Preserve the optimized test workflow and keep unfinished rules modes gated. Verified with 3682 offline tests, typecheck, lint, production build and 40 HTTP tests; existing saved games remain unchanged.
2026-09-10 08:12:26 +10:00

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import test from 'node:test';
import assert from 'node:assert/strict';
import {
applyAction,
createGame,
newPlayer,
viewGame,
handLimit,
type Game,
} from '../game/engine';
import { baseDeck, treacheryDeck } from '../game/cards';
import { createTechTokens } from '../game/tech-tokens';
import { botActions } from '../game/bots';
import { DIFFICULTIES } from '../game/bot-profiles';
function fixture(advanced = false, ix = false) {
const g = createGame(
'CHOAM222',
newPlayer('c', 'CHOAM', 'choam'),
advanced,
ix ? ['choam', 'ix'] : ['choam'],
);
g.players.push(
newPlayer('e', 'Emperor', 'emperor'),
newPlayer('b', 'Bene Gesserit', 'beneGesserit'),
);
g.status = 'playing';
g.phase = 1;
g.nexus = true;
g.order = ['c', 'e', 'b'];
g.deck = ix ? treacheryDeck(['ix']) : baseDeck();
g.players.forEach((p) => {
p.spice = 0;
p.traitors = p.leaders.length ? [p.leaders[0].id] : [];
p.traitorChoices = [];
});
return g;
}
function ready(state: Game) {
let g = state;
for (const p of g.players) g = applyAction(g, p.id, { type: 'ready' });
while (g.decision?.kind === 'choamMarket')
g = applyAction(g, g.decision.player, { type: 'decision', done: true });
return g;
}
function allow(state: Game) {
let g = state;
while (g.response) {
const p = g.players.find(
(p) =>
!viewGame(g, p.id).responseControls?.hasPassed &&
!!viewGame(g, p.id).responseControls?.cancelCards.length,
)!;
g = applyAction(g, p.id, { type: 'passResponse' });
}
return g;
}
function hold(g: Game, id: string, effect: string) {
const i = g.deck.findIndex((c) => c.effect === effect);
assert.ok(i >= 0);
const card = g.deck.splice(i, 1)[0];
g.players.find((p) => p.id === id)!.hand.push(card);
return card;
}
function contest(g: Game, count = 1, id = 'e') {
for (let n = 0; n < count; n++) {
const index = g.deck.findIndex((card) => card.effect === 'karama');
assert.ok(index >= 0);
g.players.find((p) => p.id === id)!.hand.push(g.deck.splice(index, 1)[0]);
}
return g;
}
function cancel(g: Game) {
const card = g.players
.find((p) => p.id === 'e')!
.hand.find((card) => card.effect === 'karama');
assert.ok(card, 'canceller must hold Karama before the declaration');
return applyAction(g, 'e', { type: 'card', card: card.id, mode: 'cancel' });
}
void test('CHOAM receives two spice per faction, including itself, only after its opening response', () => {
const initial = contest(fixture());
let g = ready(initial);
assert.equal(g.phase, 2);
assert.equal(g.response?.kind, 'choamCharity');
assert.equal(g.players[0].spice, 0);
assert.throws(
() => applyAction(g, 'e', { type: 'charity' }),
/response|power/i,
);
assert.throws(
() => applyAction(g, 'e', { type: 'ready' }),
/response|power/i,
);
g = allow(g);
assert.equal(g.players[0].spice, 6);
assert.deepEqual(g.choamCharity, { turn: 1, canceled: false });
assert.equal(initial.players[0].spice, 0);
});
void test('CHOAM pays ordinary charity by actual need and advanced Bene Gesserit a full two spice', () => {
for (const advanced of [false, true])
for (const starting of [0, 1]) {
let g = allow(ready(fixture(advanced)));
g.players[1].spice = starting;
g.players[2].spice = starting;
g = applyAction(g, 'e', { type: 'charity' });
assert.equal(g.players[1].spice, 2);
assert.equal(g.players[0].spice, 6 - (2 - starting));
g = applyAction(g, 'b', { type: 'charity' });
assert.equal(g.players[2].spice, advanced ? starting + 2 : 2);
assert.equal(
g.players.reduce((n, p) => n + p.spice, 0),
6 + 2 * starting,
);
assert.throws(
() => applyAction(g, 'b', { type: 'charity' }),
/once per turn|fewer than/,
);
}
});
void test('wealthy Bene Gesserit payment waits for its response; cancellation never charges CHOAM', () => {
for (const canceled of [false, true]) {
let g = allow(ready(fixture(true)));
contest(g);
g.players[2].spice = 12;
g = applyAction(g, 'b', { type: 'charity' });
assert.equal(g.response?.kind, 'bgCharity');
assert.equal(g.players[0].spice, 6);
g = canceled ? cancel(g) : allow(g);
assert.equal(g.players[0].spice, canceled ? 6 : 4);
assert.equal(g.players[2].spice, canceled ? 12 : 14);
assert.equal(viewGame(g, 'b').players[2].charityClaimed, true);
}
});
void test('Karama cancels CHOAM income, restores bank payments and permits CHOAM ordinary charity', () => {
let g = cancel(ready(contest(fixture(true))));
assert.equal(g.players[0].spice, 0);
assert.deepEqual(g.choamCharity, { turn: 1, canceled: true });
for (const id of ['c', 'e', 'b']) g = applyAction(g, id, { type: 'charity' });
assert.deepEqual(
g.players.map((p) => p.spice),
[2, 2, 2],
);
assert.equal(viewGame(g, 'e').charity.payer, null);
assert.equal(viewGame(g, 'c').charity.incomeCanceled, true);
});
void test('income cancellation expires on the next turn and the next opening pays exactly once', () => {
let g = cancel(ready(contest(fixture())));
g.turn++;
g.phase = 1;
g.nexus = true;
g = allow(ready(g));
assert.equal(g.players[0].spice, 6);
assert.equal(g.choamCharity?.canceled, false);
g = ready(g);
assert.equal(g.phase, 3);
assert.equal(g.players[0].spice, 6);
});
void test('Ix phase opening resolves before CHOAM income and survives JSON persistence', () => {
let g = ready(contest(fixture(false, true)));
assert.equal(g.phaseOpening?.initialize, true);
assert.equal(g.response, null);
const amal = hold(g, 'c', 'amal');
g.players[0].spice = 9;
g = applyAction(g, 'c', { type: 'card', card: amal.id });
assert.equal(g.players[0].spice, 4);
g = JSON.parse(JSON.stringify(g)) as Game;
g = ready(g);
assert.equal(g.response?.kind, 'choamCharity');
g = allow(g);
assert.equal(g.players[0].spice, 10);
});
void test('a canceled Bene Gesserit Worthless conversion restores the pending CHOAM income response', () => {
let g = contest(fixture(true), 2);
const worthless = g.deck.find((c) => c.kind === 'worthless')!;
g.deck = g.deck.filter((c) => c.id !== worthless.id);
g.players[2].hand.push(worthless);
g.players[2].hand.push(
g.deck.splice(
g.deck.findIndex((card) => card.kind === 'worthless'),
1,
)[0],
);
g = ready(g);
g = applyAction(g, 'e', { type: 'passResponse' });
g = applyAction(g, 'b', { type: 'card', card: worthless.id, mode: 'cancel' });
assert.equal(g.response?.kind, 'worthlessKarama');
g = cancel(g);
assert.equal(g.response?.kind, 'choamCharity');
assert.deepEqual(g.response?.passed, ['e']);
assert.deepEqual(viewGame(g, 'c').response?.passed, []);
assert.deepEqual(viewGame(g, 'b').response?.passed, []);
assert.deepEqual(viewGame(g, 'e').response?.passed, ['e']);
assert.deepEqual(viewGame(g, 'c').responseControls?.cancelCards, []);
assert.deepEqual(
viewGame(g, 'b').responseControls?.cancelCards,
g.players[2].hand.map((card) => card.id),
);
g = allow(g);
assert.equal(g.players[0].spice, 6);
});
void test('charity projections expose the payer and own entitlement without leaking opponent wealth', () => {
const g = allow(ready(fixture()));
const v = viewGame(g, 'e');
assert.deepEqual(v.charity, {
ordinary: 2,
homeworld: 0,
total: 2,
multiplier: 1,
amount: 2,
payer: 'c',
incomePending: false,
incomeCanceled: false,
});
assert.equal(v.players[0].spice, undefined);
assert.equal(v.players[0].handLimit, 5);
assert.equal(v.players[0].charityClaimed, undefined);
});
void test('ordinary funded claims still accrue and settle Spice Production once', () => {
let g = fixture(true);
g.techTokens = createTechTokens();
g.techTokens.production.owner = 'e';
g = allow(ready(g));
g = applyAction(g, 'b', { type: 'charity' });
assert.equal(g.techTokens!.production.spice, 0);
g = applyAction(g, 'e', { type: 'charity' });
assert.equal(g.techTokens!.production.spice, 1);
g = ready(g);
assert.equal(g.players[1].spice, 3);
assert.equal(g.techTokens!.production.spice, 0);
});
void test('unresolved insolvency fails atomically without minted spice or negative balances', () => {
let g = allow(ready(fixture()));
g = applyAction(g, 'c', { type: 'bribe', target: 'e', amount: 6 });
const before = structuredClone(g);
assert.throws(() => applyAction(g, 'b', { type: 'charity' }), /cannot fund/);
assert.deepEqual(g, before);
});
void test('CHOAM can buy its fifth card, but a full five-card hand cannot take an auction with Karama', () => {
let g = allow(ready(fixture()));
const karama = hold(g, 'c', 'karama');
g.players[0].hand.push(...g.deck.splice(0, 3));
assert.equal(handLimit(g.players[0]), 5);
g = ready(g);
assert.ok(g.auction);
g = applyAction(g, 'c', { type: 'bid', amount: 1 });
g = applyAction(g, 'e', { type: 'passBid' });
g = applyAction(g, 'b', { type: 'passBid' });
assert.equal(g.decision?.kind, 'auctionPayment');
g = allow(applyAction(g, 'c', { type: 'decision', karama: false }));
assert.equal(g.players[0].hand.length, 5);
assert.equal(g.players[0].spice, 5);
assert.notEqual(g.auction!.active, 'c');
assert.throws(
() =>
applyAction(g, 'c', { type: 'card', card: karama.id, mode: 'purchase' }),
/hand|bid|full|available/i,
);
assert.equal(handLimit(newPlayer('h', 'Harkonnen', 'harkonnen')), 8);
assert.equal(handLimit(newPlayer('e2', 'Emperor', 'emperor')), 4);
});
void test('all AI levels proceed after automatic CHOAM income and claim funded charity through private projections', () => {
for (const difficulty of DIFFICULTIES) {
let g = ready(fixture(true));
g.players.forEach((p) => {
p.bot = difficulty;
});
while (g.response) {
const p = g.players.find(
(p) =>
!viewGame(g, p.id).responseControls?.hasPassed &&
!!viewGame(g, p.id).responseControls?.cancelCards.length,
)!;
const actions = botActions(viewGame(g, p.id));
assert.ok(actions.length);
g = applyAction(g, p.id, actions[0]);
}
for (const id of ['e', 'b']) {
const actions = botActions(viewGame(g, id));
assert.equal(actions[0].type, 'charity');
g = applyAction(g, id, actions[0]);
}
assert.deepEqual(
g.players.map((p) => p.spice),
[2, 2, 2],
);
}
});
void test('Brutal AI can cancel enemy CHOAM income but preserves an ally’s income', () => {
for (const allied of [false, true]) {
const g = ready(contest(fixture()));
if (allied) {
g.players[1].ally = 'c';
g.players[0].ally = 'e';
}
g.players[1].bot = 'Brutal';
const action = botActions(viewGame(g, 'e'))[0];
assert.equal(action.type, allied ? 'passResponse' : 'card');
const result = applyAction(g, 'e', action);
if (!allied) assert.equal(result.choamCharity?.canceled, true);
}
});
void test('six-player CHOAM income pays twelve and can fund every other ordinary charity claim', () => {
let g = fixture();
g.players.push(
newPlayer('a', 'Atreides', 'atreides'),
newPlayer('h', 'Harkonnen', 'harkonnen'),
newPlayer('g', 'Guild', 'guild'),
);
g.players.forEach((p) => {
p.spice = 0;
});
g.order = g.players.map((p) => p.id);
g = allow(ready(g));
assert.equal(g.players[0].spice, 12);
for (const p of g.players.slice(1))
g = applyAction(g, p.id, { type: 'charity' });
assert.deepEqual(
g.players.map((p) => p.spice),
[2, 2, 2, 2, 2, 2],
);
});
void test('expansion starts remain gated despite the new economy support', () => {
const g = fixture();
g.status = 'lobby';
g.players.forEach((p) => {
p.ready = true;
});
assert.throws(
() => applyAction(g, 'c', { type: 'start' }),
/expansion|implemented|ready|faction|validated/i,
);
});