diff --git a/controller/schema/schema_test.go b/controller/schema/schema_test.go
new file mode 100644
index 0000000..0c73694
--- /dev/null
+++ b/controller/schema/schema_test.go
@@ -0,0 +1,81 @@
+package schema
+
+import (
+	"fmt"
+	"log"
+	"testing"
+)
+
+func TestInMemorySimple(t *testing.T) {
+	s := NewInMemorySchemaStore()
+	err := s.AddSchema(`
+type M {
+  X: Int
+}`)
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, def := range s.Schema().Definitions {
+		fmt.Printf("%s - %s\n", def.Name, def.Kind)
+	}
+}
+
+func TestInMemory(t *testing.T) {
+	s := NewInMemorySchemaStore()
+	err := s.AddSchema(`
+type Image {
+  id: ID!
+  objectPath: String!
+}
+
+type ImageSegment {
+  id: ID! @search
+  upperLeftX: Float!
+  upperLeftY: Float!
+  lowerRightX: Float!
+  lowerRightY: Float!
+  sourceImage: Image!
+}
+
+extend type Image {
+  segments: [ImageSegment]
+}
+`)
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, def := range s.Schema().Definitions {
+		fmt.Printf("%s - %s\n", def.Name, def.Kind)
+	}
+}
+
+func TestDgraph(t *testing.T) {
+	s, err := NewDgraphSchemaStore("http://localhost:8080/admin")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if s.Schema() != nil {
+		for _, def := range s.Schema().Definitions {
+			fmt.Printf("%s - %s\n", def.Name, def.Kind)
+		}
+	}
+	err = s.AddSchema("type N { Y: ID! Z: Float }")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if s.Schema() != nil {
+		for _, def := range s.Schema().Definitions {
+			fmt.Printf("%s - %s\n", def.Name, def.Kind)
+		}
+	}
+	log.Print("123123")
+	err = s.AddSchema("type M { X: Int }")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if s.Schema() != nil {
+		for _, def := range s.Schema().Definitions {
+			fmt.Printf("%s - %s\n", def.Name, def.Kind)
+		}
+	}
+}