adrien
49613f2a1c
Unit orders now gather steel and high-tech over the days before training, exactly as buildings do, and clicking a queued order reveals what it is gathering, its reserved budget and the soldiers it will draw. The trade graph cached a producer-less node list under a stamp that already reflected the producers' stores, so every seeded mine stayed invisible to buyers and rare-good prices settled at a huge multiple of base; the storage nodes are now re-read after production. Money gifts draw the giver's central-bank reserves in the denomination first, buy the rest from the issuing bank at the market rate, convert into the receiver's currency, and cannot buy from a bank their nation is at war with. Pruned the finished design briefs (intelligence, stacks, air movement, politics performance, economy balance, training UI and FIXME) and refreshed the index and cross-references.
307 lines
14 KiB
JavaScript
307 lines
14 KiB
JavaScript
import { TestCase } from "./framework/test_case.js";
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import { smallState, cityOf } from "./framework/helpers.js";
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import { key } from "../shared/hex.js";
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import {
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TREATY_PEACE,
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TREATY_ALLIANCE,
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TREATY_FREE_TRADE,
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TREATY_GIVE_CITY,
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TREATY_GIVE_MILITARY,
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TREATY_GIVE_RESOURCES,
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TREATY_GIVE_MONEY,
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TREATY_JOINT_RESEARCH,
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TREATY_SIGNED,
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TREATY_REJECTED,
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} from "../shared/data/treaties.js";
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import { NEWS_TREATY } from "../shared/data/relations.js";
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// Signs a treaty directly between two nations, the way a UI flow would.
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function sign(state, from, to, type, payload = {}) {
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const before = state.treatyProposals.length;
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if (!state.requestProposeTreaty(from, to, type, payload)) return false;
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const proposal = state.treatyProposals[before];
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return state.requestRespondTreaty(to, proposal.id, true);
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}
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export class TreatyTest extends TestCase {
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test_a_proposal_waits_for_the_other_side_and_makes_news() {
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const state = smallState();
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this.assertTrue(state.requestProposeTreaty(0, 1, TREATY_PEACE));
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this.assertSize(state.treatyProposals, 1, "the offer waits for an answer");
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this.assertEmpty(state.treaties, "nothing is signed yet");
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const notice = state.news.filter((entry) => entry.type === NEWS_TREATY).at(-1);
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this.assertEqual(notice.stage, "proposed");
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// The same offer is not repeated while it is pending.
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this.assertFalse(state.requestProposeTreaty(0, 1, TREATY_PEACE));
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}
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test_only_the_named_receiver_may_answer_and_rejection_is_recorded() {
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const state = smallState(["france", "britain", "poland"]);
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state.requestProposeTreaty(0, 1, TREATY_PEACE);
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const proposal = state.treatyProposals[0];
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this.assertFalse(state.requestRespondTreaty(2, proposal.id, true), "a third party cannot sign");
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this.assertFalse(state.requestRespondTreaty(0, proposal.id, true), "nor the proposer");
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this.assertTrue(state.requestRespondTreaty(1, proposal.id, false), "the receiver rejects");
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this.assertEmpty(state.treatyProposals);
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this.assertEmpty(state.treaties);
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const notice = state.news.filter((entry) => entry.type === NEWS_TREATY).at(-1);
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this.assertEqual(notice.stage, TREATY_REJECTED);
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}
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test_signing_records_an_active_treaty_and_a_signed_notice() {
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const state = smallState();
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this.assertTrue(sign(state, 0, 1, TREATY_ALLIANCE));
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this.assertTrue(state.areAllied(0, 1));
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this.assertTrue(state.hasTreaty(1, 0, TREATY_ALLIANCE), "symmetric lookup");
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this.assertEqual(state.treaties[0].a, 0);
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this.assertEqual(state.treaties[0].b, 1);
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const notice = state.news.filter((entry) => entry.type === NEWS_TREATY).at(-1);
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this.assertEqual(notice.stage, TREATY_SIGNED);
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}
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test_peace_ends_the_war_and_sends_troops_home() {
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const state = smallState();
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this.assertTrue(state.requestDeclareWar(0, 1));
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// Put an invader deep on the enemy's soil.
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const enemyTile = state._territoryByCiv.get(1)[0];
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const unit = state.units.find((u) => u.civ === 0);
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state._moveUnitTo(unit, { x: enemyTile.x, y: enemyTile.y });
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this.assertTrue(sign(state, 0, 1, TREATY_PEACE));
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this.assertFalse(state.isAtWar(0, 1), "the war is over");
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const city = cityOf(state, 0);
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this.assertEqual(unit.coords.x, city.coords.x, "the invader is back at a home city");
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this.assertEqual(unit.coords.y, city.coords.y);
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}
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test_an_alliance_drags_allies_into_the_war() {
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const state = smallState(["france", "britain", "poland"]);
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this.assertTrue(sign(state, 1, 2, TREATY_ALLIANCE), "Britain and Poland ally");
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this.assertTrue(state.requestDeclareWar(0, 1), "France attacks Britain");
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this.assertTrue(state.isAtWar(0, 1), "the target is at war");
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this.assertTrue(state.isAtWar(0, 2), "Poland is drawn in");
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this.assertTrue(state.areAllied(1, 2), "the defenders' alliance holds");
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}
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test_going_to_war_with_an_ally_breaks_the_alliance() {
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const state = smallState();
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this.assertTrue(sign(state, 0, 1, TREATY_ALLIANCE));
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this.assertTrue(state.areAllied(0, 1));
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this.assertTrue(state.requestDeclareWar(0, 1));
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this.assertFalse(state.areAllied(0, 1), "the alliance cannot survive the war");
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this.assertTrue(state.isAtWar(0, 1));
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}
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test_marching_across_an_ally_does_not_declare_war() {
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const state = smallState(["france", "britain", "poland"]);
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this.assertTrue(sign(state, 0, 2, TREATY_ALLIANCE));
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const unit = state.units.find((u) => u.civ === 0);
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const goal = state.topology
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.neighbours(unit.coords.x, unit.coords.y)
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.find((n) => state._isLand(n) && !state.cityAt(n) && !state.unitAt(n));
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this.assertNotNull(goal, "the fixture has an empty land neighbour");
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state.territory.set(`${goal.x},${goal.y}`, 2);
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this.assertTrue(state.requestMove(unit.id, goal), "the march into allied land is accepted");
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this.assertFalse(state.isAtWar(0, 2), "crossing an ally declares no war");
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this.assertTrue(state.areAllied(0, 2), "and leaves the alliance intact");
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}
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test_renewed_war_breaks_a_peace_treaty() {
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const state = smallState();
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this.assertTrue(state.requestDeclareWar(0, 1));
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this.assertTrue(sign(state, 0, 1, TREATY_PEACE));
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this.assertFalse(state.isAtWar(0, 1), "the peace holds");
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this.assertTrue(state.hasTreaty(0, 1, TREATY_PEACE));
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this.assertTrue(state.requestDeclareWar(0, 1), "going back to war");
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this.assertFalse(state.hasTreaty(0, 1, TREATY_PEACE), "the peace treaty is broken");
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this.assertTrue(state.isAtWar(0, 1));
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}
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test_free_trade_partners_are_exempt_from_tariffs() {
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const state = smallState();
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this.assertTrue(sign(state, 0, 1, TREATY_FREE_TRADE));
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this.assertTrue(state.freeTradePartners(0).has(1));
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this.assertTrue(state._tariffExempt(0, 1));
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this.assertTrue(state._tariffExempt(1, 0));
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this.assertFalse(state._tariffExempt(0, 2));
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}
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test_giving_money_moves_the_sum_between_treasuries() {
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const state = smallState();
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state.budgets.set(0, 1_000_000);
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state.budgets.set(1, 0);
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this.assertTrue(sign(state, 0, 1, TREATY_GIVE_MONEY, { amount: 400_000 }));
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this.assertApprox(state.getBudget(0), 600_000, 1e-6);
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this.assertApprox(state.getBudget(1), 400_000, 1e-6);
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this.assertFalse(
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state.requestProposeTreaty(0, 1, TREATY_GIVE_MONEY, { amount: 0 }),
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"a zero gift is refused"
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);
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}
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test_a_gift_is_converted_into_the_receivers_currency_at_the_market_rate() {
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const state = smallState();
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state.budgets.set(0, 1_000_000);
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state.budgets.set(1, 0);
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// The receiver's currency is worth half, so its money is twice as dear.
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state.setCurrencyValue(1, 0.5);
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this.assertTrue(sign(state, 0, 1, TREATY_GIVE_MONEY, { amount: 400_000 }));
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// 400,000 of the receiver's currency is 200,000 of global value: the giver
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// pays that in its own (par) money and the receiver is credited it back as
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// 400,000 of its dearer currency.
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this.assertApprox(state.getBudget(0), 800_000, 1e-6);
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this.assertApprox(state.getBudget(1), 400_000, 1e-6);
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}
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test_a_gift_spends_the_banks_reserves_before_buying_the_currency() {
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const state = smallState();
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const code = state.currencyOf(1).code;
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state.budgets.set(0, 1_000_000);
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state.budgets.set(1, 0);
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state._addReserve(0, code, 300);
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this.assertTrue(sign(state, 0, 1, TREATY_GIVE_MONEY, { amount: 1_000 }));
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this.assertApprox(
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state.getCentralBankReserves(0).get(code), 0, 1e-6,
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"the bank's reserves are spent first"
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);
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this.assertApprox(state.getBudget(1), 1_000, 1e-6, "the receiver gets the full gift");
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this.assertApprox(state.getBudget(0), 999_000, 1e-6, "the giver pays the full value");
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}
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test_a_gift_may_be_denominated_in_a_third_currency() {
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const state = smallState(["france", "britain", "poland"]);
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state.budgets.set(0, 1_000_000);
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state.budgets.set(1, 0);
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const code = state.currencyOf(2).code;
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this.assertTrue(sign(state, 0, 1, TREATY_GIVE_MONEY, { amount: 500_000, currency: code }));
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this.assertApprox(state.getBudget(1), 500_000, 1e-6);
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this.assertFalse(
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state.requestProposeTreaty(0, 1, TREATY_GIVE_MONEY, { amount: 1, currency: "ZZZ" }),
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"an unknown currency is refused"
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);
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}
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test_a_war_with_the_issuer_blocks_buying_and_limits_the_gift() {
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const state = smallState(["france", "britain", "poland"]);
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const code = state.currencyOf(2).code;
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state.budgets.set(0, 1_000_000);
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state.budgets.set(1, 0);
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state.requestDeclareWar(0, 2);
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// At war with the issuing bank and holding none of its money, nothing can be
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// bought, so the gift moves nothing at all.
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this.assertTrue(sign(state, 0, 1, TREATY_GIVE_MONEY, { amount: 1_000, currency: code }));
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this.assertApprox(state.getBudget(0), 1_000_000, 1e-6, "the giver paid nothing");
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this.assertApprox(state.getBudget(1), 0, 1e-6, "the receiver got nothing");
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}
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test_a_blocked_gift_still_moves_the_reserves_already_held() {
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const state = smallState(["france", "britain", "poland"]);
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const code = state.currencyOf(2).code;
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state.budgets.set(0, 1_000_000);
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state.budgets.set(1, 0);
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state.requestDeclareWar(0, 2);
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state._addReserve(0, code, 250);
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this.assertTrue(sign(state, 0, 1, TREATY_GIVE_MONEY, { amount: 1_000, currency: code }));
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this.assertApprox(
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state.getCentralBankReserves(0).get(code), 0, 1e-6,
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"the reserves in hand are still handed over"
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);
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this.assertApprox(state.getBudget(1), 250, 1e-6, "the receiver gets only what was held");
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}
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test_giving_military_transfers_units_but_never_infantry() {
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const state = smallState();
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const infantry = state.units.find((u) => u.civ === 0 && state.unitProto(u).infantry);
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this.assertNotNull(infantry, "the fixture has an infantry unit");
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this.assertFalse(
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state.requestProposeTreaty(0, 1, TREATY_GIVE_MILITARY, { units: [infantry.id] }),
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"infantry cannot be gifted"
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);
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const mobile = state.units.find((u) => u.civ === 0 && !state.unitProto(u).infantry);
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// The fixture standard army is all infantry, so raise a gun to gift.
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if (!mobile) {
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const artillery = state.protoUnits.findIndex((p) => p.id === "artillery");
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state._spawnUnit(cityOf(state, 0).coords, 0, state.protoUnits[artillery]);
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}
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const gift = state.units.find((u) => u.civ === 0 && !state.unitProto(u).infantry);
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this.assertNotNull(gift, "a non-infantry unit is available");
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this.assertTrue(sign(state, 0, 1, TREATY_GIVE_MILITARY, { units: [gift.id] }));
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this.assertEqual(state.findUnit(gift.id).civ, 1, "the unit changed hands");
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}
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test_giving_a_city_transfers_it_and_its_land() {
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const state = smallState();
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const city = cityOf(state, 0);
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const cityKey = key(city.coords.x, city.coords.y);
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this.assertFalse(
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state.requestProposeTreaty(0, 1, TREATY_GIVE_CITY, { city: 99999 }),
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"an unknown city is refused"
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);
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this.assertTrue(sign(state, 0, 1, TREATY_GIVE_CITY, { city: city.id }));
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this.assertEqual(state.findCity(city.id).civ, 1, "the city changed hands");
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this.assertEqual(state.territory.get(cityKey), 1, "its tile went with it");
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}
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test_giving_resources_moves_the_basket_to_the_receiver() {
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const state = smallState();
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const giver = cityOf(state, 0);
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const receiver = cityOf(state, 1);
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const giverStore = state.getCityResourceStock(giver);
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giverStore.steel = 1000;
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giverStore.food = 500;
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const receiverStore = state.getCityResourceStock(receiver);
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const receiverSteel = receiverStore.steel || 0;
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const receiverFood = receiverStore.food || 0;
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this.assertTrue(sign(state, 0, 1, TREATY_GIVE_RESOURCES, {
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resources: { steel: 300, food: 200 },
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}));
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this.assertApprox(giverStore.steel, 700, 1e-6, "the steel left the giver");
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this.assertApprox(giverStore.food, 300, 1e-6, "and so did the food");
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this.assertApprox(receiverStore.steel, receiverSteel + 300, 1e-6, "the receiver got the steel");
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this.assertApprox(receiverStore.food, receiverFood + 200, 1e-6, "and the food");
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}
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test_joint_research_shares_points_but_not_military_ones() {
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const state = smallState();
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this.assertTrue(sign(state, 0, 1, TREATY_JOINT_RESEARCH));
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const civil = state.technologies.findIndex((t) => t.id === "scientific_method");
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const military = state.technologies.findIndex((t) => t.id === "body_armour");
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state.focusTechnology.set(0, civil);
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state.focusTechnology.set(1, civil);
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state._addResearch(0, 5);
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this.assertApprox(state.getTechnologyProgress(1, civil), 5, 1e-6, "the partner shares the points");
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// A military technology is not shared.
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state.focusTechnology.set(0, military);
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state.focusTechnology.set(1, civil);
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const before = state.getTechnologyProgress(1, civil);
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state._addResearch(0, 7);
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this.assertApprox(
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state.getTechnologyProgress(1, civil),
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before,
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1e-6,
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"military research stays private"
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);
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}
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test_ending_a_treaty_moves_it_to_the_history() {
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const state = smallState();
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this.assertTrue(sign(state, 0, 1, TREATY_ALLIANCE));
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const treaty = state.treaties[0];
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this.assertTrue(state.requestCancelTreaty(1, treaty.id), "either party may end it");
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this.assertEmpty(state.treaties);
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this.assertSize(state.treatyHistory, 1);
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this.assertEqual(state.treatyHistory[0].reason, "broken");
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this.assertFalse(state.areAllied(0, 1));
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}
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test_the_snapshot_ships_treaties_proposals_and_history() {
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const state = smallState();
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state.requestProposeTreaty(0, 1, TREATY_PEACE);
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const snapshot = state.snapshot(0);
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this.assertSize(snapshot.treatyProposals, 1);
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this.assertEqual(snapshot.treatyProposals[0].from, 0);
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this.assertEqual(snapshot.treatyProposals[0].type, TREATY_PEACE);
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this.assertEmpty(snapshot.treaties);
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this.assertEmpty(snapshot.treatyHistory);
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}
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}
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