// Add builds a merkledag from the a reader, pinning all objects to the local
// datastore. Returns a key representing the root node.
func Add(n *core.IpfsNode, r io.Reader) (string, error) {
defer n.Blockstore.PinLock().Unlock()
fileAdder, err := NewAdder(n.Context(), n.Pinning, n.Blockstore, n.DAG)
if err != nil {
return "", err
}
node, err := fileAdder.add(r)
if err != nil {
return "", err
}
return node.Cid().String(), nil
}
func TestRecurivePathResolution(t *testing.T) {
ctx := context.Background()
dagService := dagmock.Mock()
a, _ := randNode()
b, _ := randNode()
c, cKey := randNode()
err := b.AddNodeLink("grandchild", c)
if err != nil {
t.Fatal(err)
}
err = a.AddNodeLink("child", b)
if err != nil {
t.Fatal(err)
}
for _, n := range []node.Node{a, b, c} {
_, err = dagService.Add(n)
if err != nil {
t.Fatal(err)
}
}
aKey := a.Key()
segments := []string{aKey.String(), "child", "grandchild"}
p, err := path.FromSegments("/ipfs/", segments...)
if err != nil {
t.Fatal(err)
}
resolver := path.NewBasicResolver(dagService)
node, err := resolver.ResolvePath(ctx, p)
if err != nil {
t.Fatal(err)
}
key := node.Cid()
if key.String() != cKey.String() {
t.Fatal(fmt.Errorf(
"recursive path resolution failed for %s: %s != %s",
p.String(), key.String(), cKey.String()))
}
}