77 lines
2.6 KiB
JavaScript
77 lines
2.6 KiB
JavaScript
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import { test } from "node:test";
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import assert from "node:assert/strict";
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import { apply, applyAll } from "../src/core/effects.js";
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import { GameWorld } from "../src/core/world.js";
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const compiled = {
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game: { startRoom: "jetty" },
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rooms: { jetty: { id: "jetty" }, tavern: { id: "tavern" } },
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objects: {}, characters: { otto: { id: "otto", room: "jetty" } },
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verbs: {}, interactions: [], dialogues: {}, scenes: {},
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};
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const fresh = () => new GameWorld(compiled);
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test("flags and vars", () => {
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const w = fresh();
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apply({ setFlag: "x" }, w);
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assert.equal(w.flags.x, true);
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apply({ setFlag: "x", value: false }, w);
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assert.equal(w.flags.x, false);
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apply({ setVar: "gold", value: 5 }, w);
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apply({ addVar: "gold", value: -2 }, w);
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assert.equal(w.vars.gold, 3);
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});
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test("inventory give/remove are idempotent-ish", () => {
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const w = fresh();
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apply({ give: "mug" }, w);
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apply({ give: "mug" }, w);
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assert.deepEqual(w.inventory, ["mug"]);
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apply({ remove: "mug" }, w);
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apply({ remove: "mug" }, w);
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assert.deepEqual(w.inventory, []);
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});
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test("effects return events for engine machinery", () => {
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const w = fresh();
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assert.deepEqual(apply({ goTo: "tavern" }, w), { type: "goTo", room: "tavern" });
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assert.deepEqual(apply({ playMusic: "calypso" }, w), { type: "playMusic", track: "calypso" });
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assert.deepEqual(apply({ startDialogue: "d1" }, w), { type: "startDialogue", dialogue: "d1" });
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assert.deepEqual(apply({ endGame: "win" }, w), { type: "endGame", ending: "win" });
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});
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test("moveTo mutates the world directly", () => {
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const w = fresh();
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apply({ moveTo: { character: "otto", room: "tavern" } }, w);
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assert.equal(w.characters.otto.room, "tavern");
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});
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test("malformed effects throw", () => {
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const w = fresh();
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assert.throws(() => apply({ bogus: 1 }, w), /unknown effect key/);
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assert.throws(() => apply({ setFlag: "x", give: "y" }, w), /exactly one key/);
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assert.throws(() => apply({ setVar: "g", value: "five" }, w), /needs numeric value/);
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});
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test("applyAll skips nulls", () => {
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const w = fresh();
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const events = applyAll([{ setFlag: "a" }, null, { give: "mug" }], w);
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assert.equal(events.length, 2);
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});
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test("world snapshot/restore round-trips", () => {
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const w = fresh();
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apply({ setFlag: "x" }, w);
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apply({ give: "mug" }, w);
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apply({ addVar: "n", value: 7 }, w);
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const snap = w.snapshot();
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const w2 = fresh();
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w2.restore(snap);
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assert.equal(w2.flags.x, true);
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assert.deepEqual(w2.inventory, ["mug"]);
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assert.equal(w2.vars.n, 7);
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// snapshot is a deep copy: mutating the live world doesn't touch the save
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w2.give("rope");
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assert.deepEqual(snap.inventory, ["mug"]);
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});
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