New NowPlaying and Skip detection implementation

engine/mock_nowplaying_repo.go

@@ -11,7 +11,7 @@ func CreateMockNowPlayingRepo() *MockNowPlaying {
 
 type MockNowPlaying struct {
 	NowPlayingRepository
-	info NowPlayingInfo
+	data []NowPlayingInfo
 	err  bool
 }
 
@@ -19,24 +19,44 @@ func (m *MockNowPlaying) SetError(err bool) {
 	m.err = err
 }
 
-func (m *MockNowPlaying) Set(id, username string, playerId int, playerName string) error {
+func (m *MockNowPlaying) Enqueue(playerId int, playerName string, trackId, username string) error {
 	if m.err {
 		return errors.New("Error!")
 	}
-	m.info.TrackId = id
-	m.info.Username = username
-	m.info.Start = time.Now()
-	m.info.PlayerId = playerId
-	m.info.PlayerName = playerName
+	info := NowPlayingInfo{}
+	info.TrackId = trackId
+	info.Username = username
+	info.Start = time.Now()
+	info.PlayerId = playerId
+	info.PlayerName = playerName
+
+	m.data = append(m.data, NowPlayingInfo{})
+	copy(m.data[1:], m.data[0:])
+	m.data[0] = info
+
 	return nil
 }
 
-func (m *MockNowPlaying) Clear(playerId int) (*NowPlayingInfo, error) {
-	r := m.info
-	m.info = NowPlayingInfo{}
-	return &r, nil
+func (m *MockNowPlaying) Dequeue(playerId int) (*NowPlayingInfo, error) {
+	if len(m.data) == 0 {
+		return nil, nil
+	}
+	l := len(m.data)
+	info := m.data[l-1]
+	m.data = m.data[:l-1]
+
+	return &info, nil
 }
 
-func (m *MockNowPlaying) Current() NowPlayingInfo {
-	return m.info
+func (m *MockNowPlaying) Head(playerId int) (*NowPlayingInfo, error) {
+	if len(m.data) == 0 {
+		return nil, nil
+	}
+	info := m.data[0]
+	return &info, nil
+}
+
+func (m *MockNowPlaying) ClearAll() {
+	m.data = make([]NowPlayingInfo, 0)
+	m.err = false
 }