forked from miao-moe/QZMusic_PC
137 lines
3.6 KiB
TypeScript
137 lines
3.6 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { parseLys, stringifyLys } from "../src/formats/lys";
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describe("lys", () => {
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it("parses basic word-timestamped line", () => {
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const lines = parseLys("[0]Hello(1000,500) World(1500,500)");
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expect(lines).toHaveLength(1);
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expect(lines[0].startTime).toBe(1000);
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expect(lines[0].endTime).toBe(2000);
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expect(lines[0].isBG).toBe(false);
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expect(lines[0].isDuet).toBe(false);
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expect(lines[0].words.map((w) => w.word)).toEqual(["Hello", " World"]);
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});
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it("parses bg + duet flags from prop and strips bg wrappers", () => {
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const lines = parseLys("[8](Hello(1000,500)World(1500,500))");
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expect(lines).toHaveLength(1);
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expect(lines[0].isBG).toBe(true);
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expect(lines[0].isDuet).toBe(true);
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expect(lines[0].words.map((w) => w.word).join("")).toBe("HelloWorld");
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});
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it("handles CRLF and ignores lines without valid prop prefix", () => {
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const lines = parseLys(
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"no prop\r\n#comment\r\n{meta:true}\r\n[4]Hello(1000,500)World(1500,500)",
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);
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expect(lines).toHaveLength(1);
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expect(lines[0].startTime).toBe(1000);
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expect(lines[0].endTime).toBe(2000);
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});
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it("ignores lines with bad word timestamps", () => {
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const lines = parseLys(
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"[0]Hello(1000,500)\n[0]Bad(a,b)\n[0]AlsoBad(1000,-10)\n[0]World(2000,500)",
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);
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expect(lines).toHaveLength(2);
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expect(lines[0].words.map((w) => w.word).join("")).toBe("Hello");
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expect(lines[1].words.map((w) => w.word).join("")).toBe("World");
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});
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it("ignores empty lines and lines with only whitespace", () => {
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const lines = parseLys(
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"[0] \n[3]\n[0]Hello(1000,500) World(1500,500)\n \n\n[0]Next(2000,500) line(2500,500)\n \n",
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);
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expect(lines).toHaveLength(2);
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expect(lines[0].words[0].word).toBe("Hello");
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expect(lines[1].words[0].word).toBe("Next");
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});
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it("stringifies words and preserves spaces", () => {
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const result = stringifyLys([
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{
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startTime: 1000,
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endTime: 2000,
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words: [
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{ startTime: 1000, endTime: 1500, word: "Hello", romanWord: "" },
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{ startTime: 0, endTime: 0, word: " ", romanWord: "" },
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{ startTime: 1500, endTime: 2000, word: "World", romanWord: "" },
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],
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translatedLyric: "",
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romanLyric: "",
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isBG: false,
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isDuet: false,
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},
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]);
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expect(result).toBe("[4]Hello (1000,500)World(1500,500)");
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});
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it("stringifies props according to duet/background presence", () => {
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const result = stringifyLys([
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{
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startTime: 0,
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endTime: 0,
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words: [{ startTime: 1000, endTime: 1500, word: "A", romanWord: "" }],
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translatedLyric: "",
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romanLyric: "",
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isBG: true,
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isDuet: true,
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},
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{
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startTime: 0,
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endTime: 0,
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words: [{ startTime: 2000, endTime: 2500, word: "B", romanWord: "" }],
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translatedLyric: "",
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romanLyric: "",
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isBG: false,
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isDuet: false,
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},
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]);
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expect(result).toBe("[8]A(1000,500)\n[4]B(2000,500)");
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});
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it("normalizes invalid timestamps when stringifying", () => {
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const result = stringifyLys([
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{
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startTime: 0,
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endTime: 0,
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words: [
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{
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startTime: Number.NaN,
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endTime: Number.POSITIVE_INFINITY,
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word: "Hello",
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romanWord: "",
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},
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{
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startTime: -1,
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endTime: -2,
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word: "World",
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romanWord: "",
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},
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],
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translatedLyric: "",
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romanLyric: "",
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isBG: false,
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isDuet: false,
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},
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]);
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expect(result).toBe("[4]Hello(0,0)World(0,0)");
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});
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it("keeps parse -> stringify -> parse stable for content and timing", () => {
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const input = "[4]Hello(1000,500) World(1500,500)\n[8](Again(3000,500))";
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const first = parseLys(input);
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const text = stringifyLys(first);
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const second = parseLys(text);
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expect(second).toEqual(first);
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});
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});
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