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")
    })
  })
})