Move the JSPF playlist code into public module

pkg/jspf/models_test.go

@@ -0,0 +1,109 @@
+/*
+Copyright © 2023 Philipp Wolfer <phw@uploadedlobster.com>
+
+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 jspf_test
+
+import (
+	"encoding/json"
+	"io"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"go.uploadedlobster.com/scotty/pkg/jspf"
+)
+
+func TestUnmarshalSimple(t *testing.T) {
+	data, err := readSampleJson("testdata/simple.jspf")
+	require.NoError(t, err)
+
+	assert := assert.New(t)
+	playlist := data.Playlist
+	assert.Equal("Two Songs From Thriller", playlist.Title)
+	assert.Equal("MJ Fan", playlist.Creator)
+	require.Len(t, playlist.Tracks, 2)
+	track1 := playlist.Tracks[0]
+	require.Len(t, track1.Location, 1)
+	assert.Equal("http://example.com/billiejean.mp3", track1.Location[0])
+	assert.Equal("Billie Jean", track1.Title)
+	assert.Equal("Michael Jackson", track1.Creator)
+	assert.Equal("Thriller", track1.Album)
+}
+
+func TestUnmarshalComprehensive(t *testing.T) {
+	data, err := readSampleJson("testdata/comprehensive.jspf")
+	require.NoError(t, err)
+
+	assert := assert.New(t)
+	playlist := data.Playlist
+	assert.Equal("http://example.com/", playlist.License)
+	require.Len(t, playlist.Attribution, 2)
+	assert.Equal("http://example.com/", playlist.Attribution[0]["identifier"])
+	assert.Equal("http://example.com/", playlist.Attribution[1]["location"])
+	require.Len(t, playlist.Meta, 2)
+	assert.Equal("345", playlist.Meta[1]["http://example.com/rel/2/"])
+	require.Len(t, playlist.Links, 2)
+	assert.Equal("http://example.com/body/1/", playlist.Links[0]["http://example.com/rel/1/"])
+}
+
+func TestUnmarshalListenBrainzPlaylist(t *testing.T) {
+	data, err := readSampleJson("testdata/lb-playlist.jspf")
+	require.NoError(t, err)
+
+	assert := assert.New(t)
+	playlist := data.Playlist
+	assert.Equal(
+		"https://listenbrainz.org/playlist/96485e27-967a-492a-9d04-c5a819baa2f3",
+		playlist.Identifier)
+	expectedPlaylistDate, err := time.Parse(time.RFC3339, "2023-07-04T21:03:52.317148+00:00")
+	require.NoError(t, err)
+	assert.Equal(expectedPlaylistDate, playlist.Date)
+	assert.NotNil(playlist.Extension["https://musicbrainz.org/doc/jspf#playlist"])
+
+	require.Len(t, playlist.Tracks, 2)
+	track1 := playlist.Tracks[0]
+	assert.Equal(
+		"https://musicbrainz.org/recording/3f2bdbbd-063e-478c-a394-6da0cb303302",
+		track1.Identifier[0])
+	extension := track1.Extension["https://musicbrainz.org/doc/jspf#track"].(map[string]any)
+	assert.NotNil(extension)
+	assert.Equal("outsidecontext", extension["added_by"])
+}
+
+func readSampleJson(path string) (jspf.JSPF, error) {
+	var result jspf.JSPF
+	jsonFile, err := os.Open(path)
+	if err != nil {
+		return result, err
+	}
+	defer jsonFile.Close()
+
+	byteValue, err := io.ReadAll(jsonFile)
+	if err != nil {
+		return result, err
+	}
+
+	err = json.Unmarshal(byteValue, &result)
+	return result, err
+}