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kubo/core/coreunix/metadata_test.go
Hector Sanjuan 758e00bc4c Extract blocks/blockstore package to go-ipfs-blockstore
This extracts the blocks/blockstore package and renames the
blocks/blockstore/util package to /blocks/blockstoreutil
(because util depends on Pin and I don't plan to extract
Pin and its depedencies).

The history of blocks/blockstore has been preserved. It has
been gx'ed and imported. Imports have been rewritten accordingly
and re-ordered.

License: MIT
Signed-off-by: Hector Sanjuan <hector@protocol.ai>
2018-02-15 18:03:41 +01:00

95 lines
2.3 KiB
Go

package coreunix
import (
"bytes"
"context"
"io/ioutil"
"testing"
bserv "github.com/ipfs/go-ipfs/blockservice"
core "github.com/ipfs/go-ipfs/core"
offline "github.com/ipfs/go-ipfs/exchange/offline"
importer "github.com/ipfs/go-ipfs/importer"
merkledag "github.com/ipfs/go-ipfs/merkledag"
ft "github.com/ipfs/go-ipfs/unixfs"
uio "github.com/ipfs/go-ipfs/unixfs/io"
u "gx/ipfs/QmNiJuT8Ja3hMVpBHXv3Q6dwmperaQ6JjLtpMQgMCD7xvx/go-ipfs-util"
ds "gx/ipfs/QmPpegoMqhAEqjncrzArm7KVWAkCm78rqL2DPuNjhPrshg/go-datastore"
dssync "gx/ipfs/QmPpegoMqhAEqjncrzArm7KVWAkCm78rqL2DPuNjhPrshg/go-datastore/sync"
bstore "gx/ipfs/QmTVDM4LCSUMFNQzbDLL9zQwp8usE6QHymFdh3h8vL9v6b/go-ipfs-blockstore"
chunker "gx/ipfs/QmWo8jYc19ppG7YoTsrr2kEtLRbARTJho5oNXFTR6B7Peq/go-ipfs-chunker"
cid "gx/ipfs/QmcZfnkapfECQGcLZaf9B79NRg7cRa9EnZh4LSbkCzwNvY/go-cid"
ipld "gx/ipfs/Qme5bWv7wtjUNGsK2BNGVUFPKiuxWrsqrtvYwCLRw8YFES/go-ipld-format"
)
func getDagserv(t *testing.T) ipld.DAGService {
db := dssync.MutexWrap(ds.NewMapDatastore())
bs := bstore.NewBlockstore(db)
blockserv := bserv.New(bs, offline.Exchange(bs))
return merkledag.NewDAGService(blockserv)
}
func TestMetadata(t *testing.T) {
ctx := context.Background()
// Make some random node
ds := getDagserv(t)
data := make([]byte, 1000)
u.NewTimeSeededRand().Read(data)
r := bytes.NewReader(data)
nd, err := importer.BuildDagFromReader(ds, chunker.DefaultSplitter(r))
if err != nil {
t.Fatal(err)
}
c := nd.Cid()
m := new(ft.Metadata)
m.MimeType = "THIS IS A TEST"
// Such effort, many compromise
ipfsnode := &core.IpfsNode{DAG: ds}
mdk, err := AddMetadataTo(ipfsnode, c.String(), m)
if err != nil {
t.Fatal(err)
}
rec, err := Metadata(ipfsnode, mdk)
if err != nil {
t.Fatal(err)
}
if rec.MimeType != m.MimeType {
t.Fatalf("something went wrong in conversion: '%s' != '%s'", rec.MimeType, m.MimeType)
}
cdk, err := cid.Decode(mdk)
if err != nil {
t.Fatal(err)
}
retnode, err := ds.Get(ctx, cdk)
if err != nil {
t.Fatal(err)
}
rtnpb, ok := retnode.(*merkledag.ProtoNode)
if !ok {
t.Fatal("expected protobuf node")
}
ndr, err := uio.NewDagReader(ctx, rtnpb, ds)
if err != nil {
t.Fatal(err)
}
out, err := ioutil.ReadAll(ndr)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(out, data) {
t.Fatal("read incorrect data")
}
}