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package chunk_cache
import (
"bytes"
"fmt"
"io/ioutil"
"math/rand"
"os"
"testing"
)
func TestOnDisk(t *testing.T) {
tmpDir, _ := ioutil.TempDir("", "c")
defer os.RemoveAll(tmpDir)
totalDiskSizeMb := int64(6)
segmentCount := 2
cache := NewChunkCache(0, tmpDir, totalDiskSizeMb, segmentCount)
writeCount := 5
type test_data struct {
data []byte
fileId string
}
testData := make([]*test_data, writeCount)
for i:=0;i<writeCount;i++{
buff := make([]byte, 1024*1024)
rand.Read(buff)
testData[i] = &test_data{
data: buff,
fileId: fmt.Sprintf("1,%daabbccdd", i+1),
}
cache.SetChunk(testData[i].fileId, testData[i].data)
}
for i:=0;i<writeCount;i++{
data := cache.GetChunk(testData[i].fileId)
if bytes.Compare(data, testData[i].data) != 0 {
t.Errorf("failed to write to and read from cache: %d", i)
}
}
cache.Shutdown()
cache = NewChunkCache(0, tmpDir, totalDiskSizeMb, segmentCount)
for i:=0;i<writeCount;i++{
data := cache.GetChunk(testData[i].fileId)
if bytes.Compare(data, testData[i].data) != 0 {
t.Errorf("failed to write to and read from cache: %d", i)
}
}
cache.Shutdown()
}
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