func TestGenerateNewBlobPath_Unique(t *testing.T) {
n := 200
bs := blobstore.NewMockBlobStore()
for i := 0; i < n; i++ {
bpath, err := blobstore.GenerateNewBlobPath(bs)
if err != nil {
t.Errorf("Failed to GenerateNewBlobPath on %d iter: %v", i, err)
}
bh, err := bs.Open(bpath, flags.O_RDONLY)
if err != nil {
t.Errorf("open bpath \"%s\" failed: %v", bpath, err)
}
if err := bh.PWrite(0, HelloWorld); err != nil {
t.Errorf("write helloworld to bpath \"%s\" failed: %v", bpath, err)
}
if err := bh.Close(); err != nil {
t.Errorf("close bpath \"%s\" failed: %v", bpath, err)
}
}
if len(bs.Paths) != n {
t.Errorf("Expected %d unique entries, but found %d entries", n, len(bs.Paths))
}
}
func TestChunkedFileIO_SingleChunk(t *testing.T) {
caio := NewSimpleDBChunksArrayIO()
bs := blobstore.NewMockBlobStore()
cfio := chunkstore.NewChunkedFileIO(bs, TestCipher(), caio)
// Disable Chunk framing for testing
cfio.OverrideNewChunkIOForTesting(func(bh blobstore.BlobHandle, c btncrypt.Cipher, offset int64) blobstore.BlobHandle { return bh })
if err := cfio.PWrite(123, HelloWorld); err != nil {
t.Errorf("PWrite failed: %v", err)
return
}
if err := cfio.PWrite(456, HelloWorld); err != nil {
t.Errorf("PWrite failed: %v", err)
return
}
if len(caio.cs) != 1 {
t.Errorf("len(caio.cs) %d", len(caio.cs))
return
}
if caio.cs[0].Offset != 0 {
t.Errorf("Chunk at invalid offset: %d", caio.cs[1].Offset)
}
bh := bs.Paths[caio.cs[0].BlobPath]
if bh.Log[0].Offset != 123 {
t.Errorf("Chunk write at invalid offset: %d", bh.Log[0].Offset)
}
if bh.Log[1].Offset != 456 {
t.Errorf("Chunk write at invalid offset: %d", bh.Log[0].Offset)
}
}
func TestChunkedFileIO_MultiChunk(t *testing.T) {
caio := NewSimpleDBChunksArrayIO()
bs := blobstore.NewMockBlobStore()
cfio := chunkstore.NewChunkedFileIO(bs, TestCipher(), caio)
// Disable Chunk framing for testing
cfio.OverrideNewChunkIOForTesting(func(bh blobstore.BlobHandle, c btncrypt.Cipher, offset int64) blobstore.BlobHandle { return bh })
if err := cfio.PWrite(chunkstore.ChunkSplitSize+12345, HelloWorld); err != nil {
t.Errorf("PWrite failed: %v", err)
return
}
if err := cfio.PWrite(123, HelloWorld); err != nil {
t.Errorf("PWrite failed: %v", err)
return
}
if len(caio.cs) != 2 {
t.Errorf("len(caio.cs) %d", len(caio.cs))
return
}
if caio.cs[0].Offset != 0 {
t.Errorf("Chunk at invalid offset: %d", caio.cs[1].Offset)
}
bh := bs.Paths[caio.cs[0].BlobPath]
if bh.Log[0].Offset != 123 {
t.Errorf("Chunk write at invalid offset: %d", bh.Log[0].Offset)
}
if caio.cs[1].Offset != chunkstore.ChunkSplitSize {
t.Errorf("Split chunk at invalid offset: %d", caio.cs[1].Offset)
}
bh = bs.Paths[caio.cs[1].BlobPath]
if bh.Log[0].Offset != 12345 {
t.Errorf("Split chunk write at invalid offset: %d", bh.Log[0].Offset)
}
if err := cfio.PWrite(chunkstore.ChunkSplitSize-5, HelloWorld); err != nil {
t.Errorf("PWrite failed: %v", err)
return
}
bh = bs.Paths[caio.cs[1].BlobPath]
if !reflect.DeepEqual(bh.Log[1], blobstore.MockBlobStoreOperation{'W', 0, 7, HelloWorld[5]}) {
fmt.Printf("? %+v\n", bh.Log[1])
}
}