const parseM3U = require("../radiomanifest.js").parsers.M3U;
const chai = require("chai");
chai.use(require("chai-as-promised"));
const assert = chai.assert;

const expect = chai.expect;

describe("parseM3U parses basic M3U", () => {
  describe("empty M3U", () => {
    it("should return empty list", () => {
      var r = parseM3U("");
      assert.equal(r.length, 0);
    });
    it("should discard empty lines", () => {
      var r = parseM3U("\n\n\n");
      assert.equal(r.length, 0);
    });
  });
  describe("just some lines", () => {
    it("should return appropriate list", () => {
      var r = parseM3U("http://foo");
      assert.equal(r.length, 1);
      assert.equal(r[0], "http://foo");
    });
    it("should work with longer list", () => {
      var r = parseM3U("http://foo\nhttp://baz\nhttp://bar\n");
      assert.equal(r.length, 3);
      assert.equal(r[0], "http://foo");
      assert.equal(r[1], "http://baz");
      assert.equal(r[2], "http://bar");
    });
    it("should discard empty lines", () => {
      var r = parseM3U("http://foo\n\nhttp://baz\nhttp://bar\n\n\n");
      assert.equal(r.length, 3);
      assert.equal(r[0], "http://foo");
      assert.equal(r[1], "http://baz");
      assert.equal(r[2], "http://bar");
    });
  });
  describe("comments", () => {
    it("comments should be ignored", () => {
      var r = parseM3U("http://foo\n#asd");
      assert.equal(r.length, 1);
      assert.equal(r[0], "http://foo");
    });
    it("mid-line hash is not a comment", () => {
      var r = parseM3U("http://foo#asd");
      assert.equal(r.length, 1);
      assert.equal(r[0], "http://foo#asd");
    });
  });
});