fix tests (circular import)

core/core.go

@@ -161,8 +161,8 @@ func NewIpfsNode(cfg *config.Config, online bool) (n *IpfsNode, err error) {
 	if err != nil {
 		n.Pinning = pin.NewPinner(n.Datastore, n.DAG)
 	}
-        n.Resolver = &path.Resolver{DAG: n.DAG}
-        
+	n.Resolver = &path.Resolver{DAG: n.DAG}
+
 	success = true
 	return n, nil
 }

unixfs/io/dagwriter_test.go

-package io
+package io_test
 
 import (
 	"testing"
@@ -7,9 +7,10 @@ import (
 
 	ds "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore"
 	bs "github.com/jbenet/go-ipfs/blockservice"
-	"github.com/jbenet/go-ipfs/importer"
+	importer "github.com/jbenet/go-ipfs/importer"
 	chunk "github.com/jbenet/go-ipfs/importer/chunk"
 	mdag "github.com/jbenet/go-ipfs/merkledag"
+	dagio "github.com/jbenet/go-ipfs/unixfs/io"
 )
 
 type datasource struct {
@@ -55,7 +56,7 @@ func TestDagWriter(t *testing.T) {
 		t.Fatal(err)
 	}
 	dag := mdag.NewDAGService(bserv)
-	dw := NewDagWriter(dag, &chunk.SizeSplitter{Size: 4096})
+	dw := dagio.NewDagWriter(dag, &chunk.SizeSplitter{Size: 4096})
 
 	nbytes := int64(1024 * 1024 * 2)
 	n, err := io.CopyN(dw, &datasource{}, nbytes)
@@ -70,7 +71,7 @@ func TestDagWriter(t *testing.T) {
 	dw.Close()
 
 	node := dw.GetNode()
-	read, err := NewDagReader(node, dag)
+	read, err := dagio.NewDagReader(node, dag)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -89,7 +90,7 @@ func TestMassiveWrite(t *testing.T) {
 		t.Fatal(err)
 	}
 	dag := mdag.NewDAGService(bserv)
-	dw := NewDagWriter(dag, &chunk.SizeSplitter{Size: 4096})
+	dw := dagio.NewDagWriter(dag, &chunk.SizeSplitter{Size: 4096})
 
 	nbytes := int64(1024 * 1024 * 1024 * 16)
 	n, err := io.CopyN(dw, &datasource{}, nbytes)
@@ -114,7 +115,7 @@ func BenchmarkDagWriter(b *testing.B) {
 	nbytes := int64(100000)
 	for i := 0; i < b.N; i++ {
 		b.SetBytes(nbytes)
-		dw := NewDagWriter(dag, &chunk.SizeSplitter{Size: 4096})
+		dw := dagio.NewDagWriter(dag, &chunk.SizeSplitter{Size: 4096})
 		n, err := io.CopyN(dw, &datasource{}, nbytes)
 		if err != nil {
 			b.Fatal(err)
@@ -138,7 +139,7 @@ func TestAgainstImporter(t *testing.T) {
 	nbytes := int64(1024 * 1024 * 2)
 
 	// DagWriter
-	dw := NewDagWriter(dag, &chunk.SizeSplitter{4096})
+	dw := dagio.NewDagWriter(dag, &chunk.SizeSplitter{4096})
 	n, err := io.CopyN(dw, &datasource{}, nbytes)
 	if err != nil {
 		t.Fatal(err)