diff --git a/repo/mock.go b/repo/mock.go
new file mode 100644
index 000000000..d4d4e5ea8
--- /dev/null
+++ b/repo/mock.go
@@ -0,0 +1,37 @@
+package repo
+
+import (
+	"errors"
+
+	ds "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore"
+	"github.com/jbenet/go-ipfs/repo/config"
+)
+
+var errTODO = errors.New("TODO")
+
+// Mock is not thread-safe
+type Mock struct {
+	C config.Config
+	D ds.ThreadSafeDatastore
+}
+
+func (m *Mock) Config() *config.Config {
+	return &m.C // FIXME threadsafety
+}
+
+func (m *Mock) SetConfig(updated *config.Config) error {
+	m.C = *updated // FIXME threadsafety
+	return nil
+}
+
+func (m *Mock) SetConfigKey(key string, value interface{}) error {
+	return errTODO
+}
+
+func (m *Mock) GetConfigKey(key string) (interface{}, error) {
+	return nil, errTODO
+}
+
+func (m *Mock) Datastore() ds.ThreadSafeDatastore { return m.D }
+
+func (m *Mock) Close() error { return errTODO }