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)
}
}