Prototype charity Truthtrance and coalition rule foundations

tests/truth-future-battle-charity.test.ts

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+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { type Action, type Game } from '../game/engine';
+import { nextTruthRevival, truthRevivalClean, truthRevivalPlayer } from './fixture-truth-revival';
+import {
+  actFutureBattleCharity as act, askFutureBattleCharity as ask,
+  createFutureBattleCharityFixture as fixture, futureBattleCharityInventory as inventory,
+  futureBattleCharityRecords as records, reachFutureBattleCharityBattle as reachBattle,
+  reachFutureBattleCharityWindow as reachMovement,
+} from './fixture-truth-future-battle-charity';
+
+function rejected(game: Game, actor: string, action: Action) {
+  const before = structuredClone(game);
+  assert.throws(() => act(game, actor, action));
+  assert.deepEqual(game, before);
+}
+
+for (const answer of ['yes', 'no'] as const) {
+  void test(`Basic Charity future-battle leader ${answer} binds the first actual later battle`, () => {
+    const f = fixture(), asked = ask(f);
+    assert.equal(asked.phase, 2); assert.deepEqual(asked.truthtrance?.question, f.question);
+    let game = act(asked, f.target, {type: 'truthAnswer', answer});
+    assert.equal(records(game).length, 1); assert.equal(records(game)[0].status, 'waiting');
+    game = reachMovement(game, f);
+    assert.equal(records(game)[0].status, 'waiting');
+    game = reachBattle(game, f);
+    assert.equal(records(game)[0].status, 'bound');
+    assert.equal(records(game)[0].battle, game.battle!.event);
+    const plan = (leader: string): Action => ({type: 'battlePlan', leader, dial: 0, support: 0, weapon: null, defense: null});
+    rejected(game, f.target, plan(answer === 'yes' ? f.alternative : f.leader));
+    game = act(game, f.target, plan(answer === 'yes' ? f.leader : f.alternative));
+    assert.equal(records(game)[0].status, 'bound');
+    const opponent = game.battle!.attacker === f.target ? game.battle!.defender : game.battle!.attacker;
+    const other = truthRevivalPlayer(game, opponent).leaders.find(leader =>
+      !leader.dead && !leader.capturedBy && !leader.gholaBy && !leader.usedAt);
+    assert.ok(other);
+    game = act(game, opponent, plan(other.id));
+    assert.ok(game.battle?.revealed); assert.equal(records(game)[0].status, 'settled');
+    assert.equal(records(game).length, 1);
+    assert.equal(game.discard.filter(card => card.id === f.truth).length, 1);
+    assert.deepEqual(inventory(game), f.originalCards);
+  });
+}
+
+void test('Basic Charity conditional leader answer expires if the respondent never fights', () => {
+  const f = fixture();
+  for (const answer of ['yes', 'no'] as const) {
+    let game = act(ask(f), f.target, {type: 'truthAnswer', answer});
+    game = reachMovement(game, f);
+    assert.ok(Object.values(truthRevivalPlayer(game, f.target).forces).every(amount => amount === 0));
+    for (let count = 0; count < 1200 && game.turn === f.game.turn && game.phase <= 6 && game.status === 'playing'; count++) {
+      if (game.phase === 5 && game.active && truthRevivalClean(game)) {
+        game = act(game, game.active, {type: 'endMovement'}); continue;
+      }
+      const next = nextTruthRevival(game); assert.ok(next, 'Finish the real turn without inventing a target battle.');
+      game = act(game, next.actor, next.action);
+    }
+    assert.equal(records(game).length, 1); assert.equal(records(game)[0].status, 'expired');
+    assert.equal(game.discard.filter(card => card.id === f.truth).length, 1);
+    assert.deepEqual(inventory(game), f.originalCards);
+  }
+});
+
+void test('a pending Truthtrance priority must finish before its Charity-phase question can be asked', () => {
+  const f = fixture();
+  const game = act(f.game, f.asker, {type: 'card', card: f.truth});
+  assert.equal(game.truthtrance?.stage, 'priority');
+  rejected(game, f.asker, f.ask);
+  assert.deepEqual(inventory(game), f.originalCards);
+});