navidrome/engine/media_streamer_test.go
2020-02-25 10:32:34 -05:00

94 lines
2.5 KiB
Go

package engine
import (
"context"
"io"
"io/ioutil"
"os"
"strings"
"github.com/deluan/navidrome/conf"
"github.com/deluan/navidrome/log"
"github.com/deluan/navidrome/model"
"github.com/deluan/navidrome/persistence"
"github.com/djherbis/fscache"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("MediaStreamer", func() {
var streamer MediaStreamer
var ds model.DataStore
var cache fscache.Cache
var tempDir string
ffmpeg := &fakeFFmpeg{Data: "fake data"}
ctx := log.NewContext(nil)
BeforeSuite(func() {
tempDir, _ = ioutil.TempDir("", "stream_tests")
fs, _ := fscache.NewFs(tempDir, 0755)
cache, _ = fscache.NewCache(fs, nil)
})
BeforeEach(func() {
conf.Server.EnableDownsampling = true
ds = &persistence.MockDataStore{}
ds.MediaFile(ctx).(*persistence.MockMediaFile).SetData(`[{"id": "123", "path": "tests/fixtures/test.mp3", "bitRate": 128, "duration": 257.0}]`, 1)
streamer = NewMediaStreamer(ds, ffmpeg, cache)
})
AfterSuite(func() {
os.RemoveAll(tempDir)
})
Context("NewStream", func() {
It("returns a seekable stream if format is 'raw'", func() {
s, err := streamer.NewStream(ctx, "123", 0, "raw")
Expect(err).ToNot(HaveOccurred())
Expect(s.Seekable()).To(BeTrue())
})
It("returns a seekable stream if maxBitRate is 0", func() {
s, err := streamer.NewStream(ctx, "123", 0, "mp3")
Expect(err).ToNot(HaveOccurred())
Expect(s.Seekable()).To(BeTrue())
})
It("returns a seekable stream if maxBitRate is higher than file bitRate", func() {
s, err := streamer.NewStream(ctx, "123", 320, "mp3")
Expect(err).ToNot(HaveOccurred())
Expect(s.Seekable()).To(BeTrue())
})
It("returns a NON seekable stream if transcode is required", func() {
s, err := streamer.NewStream(ctx, "123", 64, "mp3")
Expect(err).To(BeNil())
Expect(s.Seekable()).To(BeFalse())
Expect(s.Duration()).To(Equal(float32(257.0)))
})
It("returns a seekable stream if the file is complete in the cache", func() {
Eventually(func() bool { return ffmpeg.closed }).Should(BeTrue())
s, err := streamer.NewStream(ctx, "123", 64, "mp3")
Expect(err).To(BeNil())
Expect(s.Seekable()).To(BeTrue())
})
})
})
type fakeFFmpeg struct {
Data string
r io.Reader
closed bool
}
func (ff *fakeFFmpeg) Start(ctx context.Context, path string, maxBitRate int, format string) (f io.ReadCloser, err error) {
ff.r = strings.NewReader(ff.Data)
return ff, nil
}
func (ff *fakeFFmpeg) Read(p []byte) (n int, err error) {
return ff.r.Read(p)
}
func (ff *fakeFFmpeg) Close() error {
ff.closed = true
return nil
}