React to a clean Distrans transfer in the Homeworld Semuta envelope

tests/fixture-semuta-homeworld-ordinary.ts

@@ -30,6 +30,40 @@ export function createSemutaHomeworldOrdinaryFixture(): SemutaHomeworldOrdinaryF
     action: { type: 'card', card: hajr } };
 }
 
+export type SemutaHomeworldDistransFixture = {
+  game: Game; holder: string; owner: string; distrans: string; given: string;
+  recipient: string; action: Action;
+};
+
+/** Genuine original Homeworld occupation state; the Distrans transfer and its
+ * given card are conserved physical cards, not minted, and the recipient is a
+ * real seat. No clock, wallet or occupation value is assigned. */
+export function createSemutaHomeworldDistransFixture(): SemutaHomeworldDistransFixture {
+  const income = createSemutaHomeworldGuildIncomeFixture({ advanced: false });
+  const game = income.game;
+  assert.equal(game.phase, 5);
+  assert.equal(game.active, 'a');
+  const holder = income.holder, owner = 'a', recipient = 'e';
+  const distrans = moveSemutaEmperorCard(game,
+    semutaEmperorCardId(game, card => card.effect === 'distrans'), owner);
+  const given = moveSemutaEmperorCard(game, semutaEmperorCardId(game, card =>
+    card.effect !== 'distrans' && card.kind !== 'special' && card.effect !== 'karama' &&
+    card.effect !== 'nullentropyBox'), owner);
+  return { game, holder, owner, distrans, given, recipient,
+    action: { type: 'card', card: distrans, target: recipient, give: given } };
+}
+
+export function reactSemutaHomeworldDistrans(
+  state: Game, fixture: SemutaHomeworldDistransFixture, claim: boolean,
+): Game {
+  const event = state.pendingTreacheryDiscard!.batch.event;
+  if (claim) return applyAction(state, fixture.holder, { type: 'semutaCommit', event });
+  let game = state;
+  for (const player of state.players)
+    game = applyAction(game, player.id, { type: 'semutaPass', event });
+  return game;
+}
+
 export type SemutaHomeworldBoxFixture = {
   game: Game; source: Game; holder: string; box: string; owner: string;
   action: Action; cost: number;

tests/semuta-homeworld-ordinary.test.ts

@@ -5,8 +5,9 @@ import { botActions } from '../game/bots';
 import { SEMUTA_DRUG_ID } from '../game/semuta-drug';
 import { semutaEmperorPlayer } from './fixture-semuta-emperor-share';
 import {
-  createSemutaHomeworldBoxFixture, createSemutaHomeworldOrdinaryFixture,
-  reactSemutaHomeworldBox, reactSemutaHomeworldOrdinary,
+  createSemutaHomeworldBoxFixture, createSemutaHomeworldDistransFixture,
+  createSemutaHomeworldOrdinaryFixture, reactSemutaHomeworldBox,
+  reactSemutaHomeworldDistrans, reactSemutaHomeworldOrdinary,
   semutaHomeworldOrdinaryState,
 } from './fixture-semuta-homeworld-ordinary';
 
@@ -103,6 +104,60 @@ for (const difficulty of ['Easy', 'Medium', 'Hard', 'Brutal'] as const) void tes
   },
 );
 
+for (const claim of [false, true]) void test(
+  `Homeworld Distrans transfer Semuta ${claim ? 'claims' : 'passes'} the used Distrans without repeating the gift`, () => {
+    const f = createSemutaHomeworldDistransFixture();
+    const played = applyAction(f.game, f.owner, f.action);
+    const pending = played.pendingTreacheryDiscard;
+    assert.ok(pending, 'The used Distrans must offer its printed Semuta cost');
+    assert.equal(pending.batch.cause, 'distrans');
+    assert.deepEqual(pending.batch.entries.map(entry => ({
+      id: entry.card.id, by: entry.discardedBy, face: entry.publicFace,
+    })), [{ id: f.distrans, by: f.owner, face: true }]);
+    const recipient = semutaEmperorPlayer(played, f.recipient);
+    assert.equal(recipient.hand.some(card => card.id === f.given), true,
+      'The private transfer has already completed');
+    assert.equal(recipient.hand.some(card => card.id === f.distrans), false);
+    assert.equal(played.discard.some(card => card.id === f.distrans), true);
+    for (const player of played.players) viewGame(played, player.id);
+    const before = semutaHomeworldOrdinaryState(played);
+    const event = pending.batch.event;
+    assert.throws(() => applyAction(played, f.holder, { type: 'semutaSelect', event, card: f.given }),
+      'The already-transferred card is not a candidate');
+    const done = reactSemutaHomeworldDistrans(played, f, claim);
+    assert.equal(done.pendingTreacheryDiscard, null);
+    assert.equal(done.resolvedTreacheryDiscardSequence, pending.sequence);
+    const holder = semutaEmperorPlayer(done, f.holder);
+    assert.equal(holder.hand.some(card => card.id === f.distrans), claim);
+    assert.equal(holder.hand.some(card => card.id === SEMUTA_DRUG_ID), !claim);
+    assert.equal(semutaEmperorPlayer(done, f.recipient).hand.some(card => card.id === f.given), true);
+    assert.deepEqual(semutaHomeworldOrdinaryState(done), before,
+      'The private gift, wallets and occupation authority are unchanged');
+    assert.throws(() => applyAction(done, f.owner, f.action));
+    const suffix = applyAction(done, f.owner, { type: 'endMovement' });
+    assert.ok(!suffix.movementRemaining?.includes(f.owner));
+    assert.equal(suffix.phase, 5);
+  },
+);
+
+for (const difficulty of ['Easy', 'Medium', 'Hard', 'Brutal'] as const) void test(
+  `the ${difficulty} bot settles the Homeworld Distrans Semuta cost`, () => {
+    const f = createSemutaHomeworldDistransFixture();
+    const played = applyAction(f.game, f.owner, f.action);
+    const view = viewGame(played, f.holder);
+    view.players.find(player => player.id === f.holder)!.bot = difficulty;
+    const action = botActions(view)[0];
+    assert.ok(action);
+    const done = applyAction(played, f.holder, action);
+    assert.equal(done.pendingTreacheryDiscard, null);
+    const holder = done.players.find(player => player.id === f.holder)!;
+    const claimed = holder.hand.some(card => card.id === f.distrans);
+    assert.equal(claimed || done.discard.some(card => card.id === f.distrans), true);
+    assert.equal(holder.hand.some(card => card.id === SEMUTA_DRUG_ID), !claimed);
+    assert.equal(semutaEmperorPlayer(done, f.recipient).hand.some(card => card.id === f.given), true);
+  },
+);
+
 void test('a full-hand Homeworld Richese exchanges Semuta for the used ordinary card', () => {
   const f = createSemutaHomeworldOrdinaryFixture();
   const holder = semutaEmperorPlayer(f.game, f.holder);