func TestEnumerateChildren(t *testing.T) {
bsi := bstest.Mocks(1)
ds := NewDAGService(bsi[0])
read := io.LimitReader(u.NewTimeSeededRand(), 1024*1024)
root, err := imp.BuildDagFromReader(ds, chunk.NewSizeSplitter(read, 512))
if err != nil {
t.Fatal(err)
}
ks := key.NewKeySet()
err = EnumerateChildren(context.Background(), ds, root, ks, false)
if err != nil {
t.Fatal(err)
}
var traverse func(n *Node)
traverse = func(n *Node) {
// traverse dag and check
for _, lnk := range n.Links {
k := key.Key(lnk.Hash)
if !ks.Has(k) {
t.Fatal("missing key in set!")
}
child, err := ds.Get(context.Background(), k)
if err != nil {
t.Fatal(err)
}
traverse(child)
}
}
traverse(root)
}
func TestEmptyKey(t *testing.T) {
ds := dstest.Mock()
_, err := ds.Get(context.Background(), key.Key(""))
if err != ErrNotFound {
t.Error("dag service should error when key is nil", err)
}
}
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, chunk.DefaultSplitter(r))
if err != nil {
t.Fatal(err)
}
k, err := nd.Key()
if err != nil {
t.Fatal(err)
}
m := new(ft.Metadata)
m.MimeType = "THIS IS A TEST"
// Such effort, many compromise
ipfsnode := &core.IpfsNode{DAG: ds}
mdk, err := AddMetadataTo(ipfsnode, k.B58String(), 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)
}
retnode, err := ds.Get(ctx, key.B58KeyDecode(mdk))
if err != nil {
t.Fatal(err)
}
ndr, err := uio.NewDagReader(ctx, retnode, 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")
}
}