stremio/apps/master-api/src/metadata/filename-parser.test.ts

import {
  detectMediaType,
  parseMovieFilename,
  parseMovieFromPath,
  parseSeriesFilename,
  parseSeriesFromPath,
} from "./filename-parser";

function assert(condition: unknown, message: string): asserts condition {
  if (!condition) throw new Error(message);
}

function run() {
  const movie = parseMovieFilename(
    "The.Matrix.1999.2160p.UHD.BluRay.REMUX.HEVC.TrueHD.Atmos.mkv"
  );
  assert(movie, "movie parse failed");
  assert(movie.title === "The Matrix", `title=${movie.title}`);
  assert(movie.year === 1999, `year=${movie.year}`);
  assert(movie.resolution === "2160p", `resolution=${movie.resolution}`);

  const series = parseSeriesFilename("Breaking.Bad.S03E04.1080p.BluRay.mkv");
  assert(series, "series parse failed");
  assert(series.title === "Breaking Bad", `title=${series.title}`);
  assert(series.season === 3, `season=${series.season}`);
  assert(series.episode === 4, `episode=${series.episode}`);

  const alt = parseSeriesFilename("Show.Name.1x02.720p.mkv");
  assert(alt?.season === 1 && alt.episode === 2, "1x02 pattern failed");

  assert(detectMediaType("Movie.2020.mkv") === "movie", "detect movie");
  assert(detectMediaType("Show.S01E01.mkv") === "episode", "detect episode");
  assert(detectMediaType("readme.txt") === null, "detect non-video");

  const folderMovie = parseMovieFromPath("/media/movies/Inception (2010)/Inception.mkv");
  assert(folderMovie?.title === "Inception" && folderMovie.year === 2010, "folder movie");

  const folderSeries = parseSeriesFromPath(
    "/media/series/Breaking Bad/Season 01/Breaking.Bad.S01E01.mkv"
  );
  assert(
    folderSeries?.title === "Breaking Bad" &&
      folderSeries.season === 1 &&
      folderSeries.episode === 1,
    "folder series"
  );

  console.log("filename-parser tests passed");
}

run();