79 lines
3.5 KiB
TypeScript
79 lines
3.5 KiB
TypeScript
import { content } from "@deadhead/content";
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import { describe, expect, it } from "vitest";
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import { makeOwner, setCredits, useTestDatabase } from "./db";
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import { call, getState, putBoard, signUp, signUpOwner, testContract, useTestApp } from "./game";
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const database = useTestDatabase();
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const testApp = useTestApp(database);
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describe("concurrency and money safety", () => {
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it("lets only one of two simultaneous purchases through when only one is affordable", async () => {
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const { app } = testApp();
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const guest = await signUpOwner(app, database().db);
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const price = content.shipModel("courier")!.price;
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await setCredits(database().db, guest.playerId, price + price / 2);
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const responses = await Promise.all([
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call(app, guest, "POST", "/api/ships", { modelId: "courier", bayId: guest.earthBayId }),
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call(app, guest, "POST", "/api/ships", { modelId: "courier", bayId: guest.earthBayId }),
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]);
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expect(responses.map((r) => r.statusCode).sort()).toEqual([200, 409]);
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const state = await getState(app, guest);
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// The owner already had one ship.
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expect(state.ships).toHaveLength(2);
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expect(state.company.credits).toBe(price / 2);
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});
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it("never goes negative under many simultaneous purchases", async () => {
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const { app } = testApp();
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const guest = await signUpOwner(app, database().db);
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const price = content.shipModel("courier")!.price;
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await setCredits(database().db, guest.playerId, price * 3);
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const responses = await Promise.all(
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Array.from({ length: 8 }, () =>
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call(app, guest, "POST", "/api/ships", { modelId: "courier", bayId: guest.earthBayId }),
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),
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);
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expect(responses.filter((r) => r.statusCode === 200)).toHaveLength(3);
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const state = await getState(app, guest);
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expect(state.ships).toHaveLength(1 + 3);
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expect(state.company.credits).toBe(0);
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});
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it("accepts a contract only once when dispatched twice at the same moment", async () => {
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const { app } = testApp();
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const { db } = database();
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const guest = await signUp(app);
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const { shipId } = await makeOwner(db, guest.playerId, guest.avatarId);
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await setCredits(db, guest.playerId, 10_000);
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const contract = testContract();
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await putBoard(db, guest.playerId, [contract]);
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const body = { kind: "contract", contractId: contract.id, shipId, pilotId: guest.avatarId };
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const responses = await Promise.all([
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call(app, guest, "POST", "/api/dispatches", body),
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call(app, guest, "POST", "/api/dispatches", body),
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]);
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expect(responses.map((r) => r.statusCode).sort()).toEqual([200, 409]);
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const state = await getState(app, guest);
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expect(state.activeDispatches).toHaveLength(1);
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expect(state.company.credits).toBe(10_000 - state.activeDispatches[0]!.fuelCost);
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});
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it("leases one bay when the same lease is sent twice at once", async () => {
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const { app } = testApp();
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const guest = await signUpOwner(app, database().db);
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await setCredits(database().db, guest.playerId, 100_000);
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const responses = await Promise.all([
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call(app, guest, "POST", "/api/bays", { locationId: "moon" }),
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call(app, guest, "POST", "/api/bays", { locationId: "moon" }),
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]);
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expect(responses.map((r) => r.statusCode).sort()).toEqual([200, 409]);
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const state = await getState(app, guest);
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expect(state.bays.map((b) => b.locationId).sort()).toEqual(["earth", "moon"]);
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expect(state.company.credits).toBe(100_000 - content.location("moon")!.bayLeasePrice);
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});
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});
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