Move mock datastore to tests package

tests/mock_mediafile_repo.go

@@ -0,0 +1,64 @@
+package tests
+
+import (
+	"errors"
+
+	"github.com/deluan/navidrome/model"
+)
+
+func CreateMockMediaFileRepo() *MockMediaFile {
+	return &MockMediaFile{}
+}
+
+type MockMediaFile struct {
+	model.MediaFileRepository
+	data map[string]model.MediaFile
+	err  bool
+}
+
+func (m *MockMediaFile) SetError(err bool) {
+	m.err = err
+}
+
+func (m *MockMediaFile) SetData(mfs model.MediaFiles) {
+	m.data = make(map[string]model.MediaFile)
+	for _, mf := range mfs {
+		m.data[mf.ID] = mf
+	}
+}
+
+func (m *MockMediaFile) Exists(id string) (bool, error) {
+	if m.err {
+		return false, errors.New("Error!")
+	}
+	_, found := m.data[id]
+	return found, nil
+}
+
+func (m *MockMediaFile) Get(id string) (*model.MediaFile, error) {
+	if m.err {
+		return nil, errors.New("Error!")
+	}
+	if d, ok := m.data[id]; ok {
+		return &d, nil
+	}
+	return nil, model.ErrNotFound
+}
+
+func (m *MockMediaFile) FindByAlbum(artistId string) (model.MediaFiles, error) {
+	if m.err {
+		return nil, errors.New("Error!")
+	}
+	var res = make(model.MediaFiles, len(m.data))
+	i := 0
+	for _, a := range m.data {
+		if a.AlbumID == artistId {
+			res[i] = a
+			i++
+		}
+	}
+
+	return res, nil
+}
+
+var _ model.MediaFileRepository = (*MockMediaFile)(nil)