navidrome/utils/cache/file_hauter_test.go

82 lines
1.6 KiB
Go

package cache_test
import (
"fmt"
"io"
"os"
"path/filepath"
"testing"
"time"
"github.com/djherbis/fscache"
"github.com/navidrome/navidrome/utils/cache"
)
func TestFileHaunterMaxSize(t *testing.T) {
tempDir, _ := os.MkdirTemp("", "spread_fs")
cacheDir := filepath.Join(tempDir, "cache1")
fs, err := fscache.NewFs(cacheDir, 0700)
if err != nil {
t.Error(err.Error())
t.FailNow()
}
defer os.RemoveAll(tempDir)
c, err := fscache.NewCacheWithHaunter(fs, fscache.NewLRUHaunterStrategy(cache.NewFileHaunter("", 0, 24, 400*time.Millisecond)))
if err != nil {
t.Error(err.Error())
return
}
defer c.Clean() //nolint:errcheck
// Create 5 normal files and 1 empty
for i := 0; i < 6; i++ {
name := fmt.Sprintf("stream-%v", i)
var r fscache.ReadAtCloser
if i < 5 {
r = createCachedStream(c, name, "hello")
} else { // Last one is empty
r = createCachedStream(c, name, "")
}
if !c.Exists(name) {
t.Errorf(name + " should exist")
}
<-time.After(10 * time.Millisecond)
err := r.Close()
if err != nil {
t.Error(err)
}
}
<-time.After(400 * time.Millisecond)
if c.Exists("stream-0") {
t.Errorf("stream-0 should have been scrubbed")
}
if c.Exists("stream-5") {
t.Errorf("stream-5 should have been scrubbed")
}
files, err := os.ReadDir(cacheDir)
if err != nil {
t.Error(err.Error())
return
}
if len(files) != 4 {
t.Errorf("expected 4 items in directory")
}
}
func createCachedStream(c *fscache.FSCache, name string, contents string) fscache.ReadAtCloser {
r, w, _ := c.Get(name)
_, _ = w.Write([]byte(contents))
_ = w.Close()
_, _ = io.Copy(io.Discard, r)
return r
}