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Files
kubo/core/coreunix/metadata_test.go
Łukasz Magiera 0618fd77be gx: update go-ipfs-files to 2.0
License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>
2018-12-20 13:52:20 +01:00

95 lines
2.5 KiB
Go

package coreunix
import (
"bytes"
"context"
"io/ioutil"
"testing"
core "github.com/ipfs/go-ipfs/core"
bserv "gx/ipfs/QmPoh3SrQzFBWtdGK6qmHDV4EanKR6kYPj4DD3J2NLoEmZ/go-blockservice"
ft "gx/ipfs/Qmbvw7kpSM2p6rbQ57WGRhhqNfCiNGW6EKH4xgHLw4bsnB/go-unixfs"
importer "gx/ipfs/Qmbvw7kpSM2p6rbQ57WGRhhqNfCiNGW6EKH4xgHLw4bsnB/go-unixfs/importer"
uio "gx/ipfs/Qmbvw7kpSM2p6rbQ57WGRhhqNfCiNGW6EKH4xgHLw4bsnB/go-unixfs/io"
merkledag "gx/ipfs/QmdV35UHnL1FM52baPkeUo6u7Fxm2CRUkPTLRPxeF8a4Ap/go-merkledag"
u "gx/ipfs/QmNohiVssaPw3KVLZik59DBVGTSm2dGvYT9eoXt5DQ36Yz/go-ipfs-util"
chunker "gx/ipfs/QmR4QQVkBZsZENRjYFVi8dEtPL3daZRNKk24m4r6WKJHNm/go-ipfs-chunker"
cid "gx/ipfs/QmR8BauakNcBa3RbE4nbQu76PDiJgoQgz8AJdhJuiU4TAw/go-cid"
bstore "gx/ipfs/QmS2aqUZLJp8kF1ihE5rvDGE5LvmKDPnx32w9Z1BW9xLV5/go-ipfs-blockstore"
offline "gx/ipfs/QmYZwey1thDTynSrvd6qQkX24UpTka6TFhQ2v569UpoqxD/go-ipfs-exchange-offline"
ipld "gx/ipfs/QmcKKBwfz6FyQdHR2jsXrrF6XeSBXYL86anmWNewpFpoF5/go-ipld-format"
ds "gx/ipfs/Qmf4xQhNomPNhrtZc67qSnfJSjxjXs9LWvknJtSXwimPrM/go-datastore"
dssync "gx/ipfs/Qmf4xQhNomPNhrtZc67qSnfJSjxjXs9LWvknJtSXwimPrM/go-datastore/sync"
)
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")
}
}