m3u_test.go

// The MIT License (MIT)
//
// Copyright (c) 2013 ushi <ushi@honkgong.info>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package m3u

import (
  "bytes"
  "io"
  "os"
  "testing"
)

var extended = Playlist{
  Track{
    Path:  "Alternative\\everclear_SMFTA.mp3",
    Title: "Everclear - So Much For The Afterglow",
    Time:  233,
  },
  Track{
    Path:  "Comedy/Weird_Al_Everything_You_Know_Is_Wrong.mp3",
    Title: "",
    Time:  227,
  },
  Track{
    Path:  "Weird_Al_This_Is_The_Life.mp3",
    Title: "Weird Al Yankovic - This is the Life",
    Time:  187,
  },
  Track{
    Path:  "http://www.site.com/~user/gump.mp3",
    Title: "Weird Al: Bad Hair Day - Gump",
    Time:  129,
  },
  Track{
    Path:  "http://www.site.com:8000/listen.pls",
    Title: "My Cool Stream",
    Time:  -1,
  },
}

var simple = Playlist{
  Track{Time: -1, Title: "", Path: "Alternative\\everclear_SMFTA.mp3"},
  Track{Time: -1, Title: "", Path: "Comedy/Weird_Al_Everything_You_Know_Is_Wrong.mp3"},
  Track{Time: -1, Title: "", Path: "Weird_Al_This_Is_The_Life.mp3"},
  Track{Time: -1, Title: "", Path: "http://www.site.com/~user/gump.mp3"},
  Track{Time: -1, Title: "", Path: "http://www.site.com:8000/listen.pls"},
}

func assertPlaylist(t *testing.T, a, b Playlist) {
  if len(a) != len(b) {
    t.Fatalf("Result:   %v\nExpected: %v\n", a, b)
  }

  for i, _ := range a {
    if a[i].Path != b[i].Path || a[i].Title != b[i].Title || a[i].Time != b[i].Time {
      t.Fatalf("\nResult:   %v\nExpected: %v\n", a, b)
    }
  }
}

func parse(t *testing.T, path string) Playlist {
  f, err := os.Open(path)

  if err != nil {
    t.Fatal(err)
  }
  defer f.Close()

  pl, err := Parse(f)

  if err != nil {
    t.Fatal(err)
  }
  return pl
}

func writeAndParse(t *testing.T, w func(io.Writer) (int, error)) Playlist {
  var buf bytes.Buffer

  if _, err := w(&buf); err != nil {
    t.Fatal(err)
  }
  pl, err := Parse(&buf)

  if err != nil {
    t.Fatal(err)
  }
  return pl
}

func TestParse(t *testing.T) {
  assertPlaylist(t, parse(t, "testdata/extended.m3u"), extended)
}

func TestParseSimple(t *testing.T) {
  assertPlaylist(t, parse(t, "testdata/simple.m3u"), simple)
}

func TestWriteTo(t *testing.T) {
  assertPlaylist(t, writeAndParse(t, extended.WriteTo), extended)
}

func TestWriteSimpleTo(t *testing.T) {
  assertPlaylist(t, writeAndParse(t, extended.WriteSimpleTo), simple)
}