Support Truthtrance on Basic Ixian auction knowledge

tests/truthtrance-ix-pool-knowledge.test.ts

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+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { baseDeck } from '../game/cards';
+import { createGame, newPlayer } from '../game/engine';
+import { truthFactAnswer } from '../game/truthtrance';
+import { TRUTH_CARD_NAMES } from '../game/truthtrance-card-names';
+import { knowledgeFactAnswer, knowledgeFactText, parseKnowledgeFact, truthKnowledgeOf } from '../game/truthtrance-knowledge';
+
+void test('Ixian pool question accepts only canonical card names and describes the recorded group', () => {
+  for (const name of TRUTH_CARD_NAMES)
+    assert.deepEqual(parseKnowledgeFact({ kind: 'ixPoolPeek', name, extra: true }), { kind: 'ixPoolPeek', name });
+  for (const name of ['', 'a hidden card', null, 7, {}, ['Shield']])
+    assert.throws(() => parseKnowledgeFact({ kind: 'ixPoolPeek', name }));
+  assert.match(knowledgeFactText({ kind: 'ixPoolPeek', name: 'Shield' }), /recorded Ixian auction group includes Shield/);
+});
+
+void test('only native Basic Ixians with the current recorded inspection can answer', () => {
+  const game = createGame('IXKNOW', newPlayer('ix', 'Ixians', 'ixians'), false, ['ix']);
+  const ix = game.players[0];
+  const other = newPlayer('other', 'Other', 'atreides');
+  const shield = baseDeck().find(card => card.name === 'Shield')!;
+  const absent = TRUTH_CARD_NAMES.find(name => name !== shield.name)!;
+  const yes = { kind: 'ixPoolPeek', name: shield.name } as const;
+  const no = { kind: 'ixPoolPeek', name: absent } as const;
+  game.phase = 3;
+  game.ixAuctionKnown = { turn: game.turn, cards: [shield] };
+  assert.equal(knowledgeFactAnswer(yes, truthKnowledgeOf(game, ix)), 'yes');
+  assert.equal(knowledgeFactAnswer(no, truthKnowledgeOf(game, ix)), 'no');
+  assert.equal(knowledgeFactAnswer(yes, truthKnowledgeOf(game, other)), 'unknown');
+  assert.equal(knowledgeFactAnswer(yes, truthKnowledgeOf({ ...game, phase: 4 }, ix)), 'unknown');
+  assert.equal(knowledgeFactAnswer(yes, truthKnowledgeOf({ ...game, advanced: true }, ix)), 'unknown');
+  assert.equal(knowledgeFactAnswer(yes, truthKnowledgeOf({ ...game, ixAuctionKnown: null }, ix)), 'unknown');
+  assert.equal(knowledgeFactAnswer(yes, truthKnowledgeOf({ ...game, ixAuctionKnown: { turn: game.turn - 1, cards: [shield] } }, ix)), 'unknown');
+  assert.equal(knowledgeFactAnswer(yes, truthKnowledgeOf({ ...game, ixAuctionKnown: { turn: game.turn, cards: [shield], controller: 'other' } }, ix)), 'unknown');
+  assert.equal(knowledgeFactAnswer(yes, truthKnowledgeOf({ ...game, ixAuctionKnown: { turn: game.turn, cards: [shield], controller: ix.id } }, ix)), 'yes');
+  assert.equal(knowledgeFactAnswer(yes, truthKnowledgeOf({ ...game, homeworldOccupationPreview: true }, ix)), 'unknown');
+  assert.equal(knowledgeFactAnswer(yes, truthKnowledgeOf({ ...game, homeworldOccupationPreview: true, ixAuctionKnown: { turn: game.turn, cards: [shield], controller: ix.id } }, ix)), 'yes');
+  assert.equal(knowledgeFactAnswer(yes, truthKnowledgeOf({ ...game, homeworldOccupationPreview: true, ixAuctionKnown: { turn: game.turn, cards: [shield], controller: other.id } }, other)), 'unknown');
+  assert.equal(knowledgeFactAnswer(yes), 'unknown');
+});
+
+void test('non-entitled targets do not inspect the private recorded group and compounds return only the answer', () => {
+  const game = createGame('IXKNOW', newPlayer('ix', 'Ixians', 'ixians'), false, ['ix']);
+  const ix = game.players[0];
+  const other = newPlayer('other', 'Other', 'atreides');
+  const shield = baseDeck().find(card => card.name === 'Shield')!;
+  const hidden = { ...game, phase: 3, get ixAuctionKnown(): never { throw new Error('Unentitled pool access'); } };
+  assert.equal(truthKnowledgeOf(hidden, other).ixPoolPeek, null);
+  hidden.phase = 4;
+  assert.equal(truthKnowledgeOf(hidden, ix).ixPoolPeek, null);
+  game.phase = 3;
+  game.ixAuctionKnown = { turn: game.turn, cards: [shield] };
+  const fact = { kind: 'ixPoolPeek', name: shield.name } as const;
+  const knowledge = truthKnowledgeOf(game, ix);
+  assert.equal(truthFactAnswer(ix, { kind: 'and', terms: [fact, { kind: 'spice', compare: 'gte', value: 0 }] }, knowledge), 'yes');
+  assert.equal(truthFactAnswer(ix, { kind: 'or', terms: [fact, { kind: 'spice', compare: 'gte', value: 999 }] }, knowledge), 'yes');
+});