91 lines
3.0 KiB
JavaScript
91 lines
3.0 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 { compile } from "../src/core/loader.js";
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import { GameWorld } from "../src/core/world.js";
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import { DialogueRunner } from "../src/core/dialogue.js";
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import { Emitter } from "../src/core/events.js";
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import { readFileSync } from "node:fs";
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const example = JSON.parse(readFileSync(new URL("../example/game.json", import.meta.url), "utf8"));
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function setup() {
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const c = compile(example);
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const w = new GameWorld(c);
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const em = new Emitter();
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const lines = [];
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em.on("dialogueLine", (ev) => lines.push(ev));
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let now = 0;
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const d = new DialogueRunner(c, w, em);
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d.clock = () => now;
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return { c, w, em, d, lines, advance: (ms) => { now += ms; d.tick(now); } };
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}
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test("start emits first line and exposes choices", () => {
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const { d, lines } = setup();
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d.start("barkeep_intro");
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assert.equal(lines.length, 1);
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assert.equal(lines[0].speaker, "barkeep");
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const choices = d.choices();
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assert.equal(choices.length, 2);
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assert.equal(choices[0].text, "What's in the mug?");
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});
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test("choosing branches and auto-advancing nodes time out", () => {
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const { d, lines, advance } = setup();
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d.start("barkeep_intro");
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d.choose(0); // -> mug node (auto-advance, has next)
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assert.equal(lines.length, 2);
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assert.ok(lines[1].text.includes("never a mug"));
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assert.equal(d.world.flags.heardAboutMug, true); // onEnter fired
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advance(10000); // hold elapsed -> back to greet
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assert.equal(lines.length, 3);
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assert.equal(d.current().node, "greet");
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});
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test("end choice closes the dialogue", () => {
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const { d, em } = setup();
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let ended = 0;
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em.on("dialogueEnd", () => ended++);
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d.start("barkeep_intro");
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d.choose(1);
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assert.equal(d.active, null);
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assert.equal(ended, 1);
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});
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test("choice conditions hide options", () => {
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const c = compile(structuredClone(example));
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c.dialogues.barkeep_intro.nodes.greet.choices[0].conditions = { flag: "hasClue" };
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const w = new GameWorld(c);
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const d = new DialogueRunner(c, w, new Emitter());
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d.start("barkeep_intro");
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assert.equal(d.choices().length, 1);
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w.flags.hasClue = true;
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assert.equal(d.choices().length, 2);
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});
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test("mid-dialogue state survives snapshot/restore", () => {
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const { d, w } = setup();
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d.start("barkeep_intro");
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d.choose(0);
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const snap = w.snapshot();
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assert.equal(snap.dialogueState.barkeep_intro.node, "mug");
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const w2 = new GameWorld(setup().c);
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w2.restore(snap);
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assert.equal(w2.dialogueState.barkeep_intro.node, "mug");
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});
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test("choice effects apply to the world", () => {
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const spec = structuredClone(example);
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spec.dialogues.barkeep_intro.nodes.greet.choices[0].effects = [{ setFlag: "askedAboutMug" }];
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const c = compile(spec);
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const w = new GameWorld(c);
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const d = new DialogueRunner(c, w, new Emitter());
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d.start("barkeep_intro");
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d.choose(0);
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assert.equal(w.flags.askedAboutMug, true);
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});
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test("unknown dialogue/node errors loudly", () => {
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const { d } = setup();
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assert.throws(() => d.start("nope"), /unknown dialogue/);
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});
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