payload almost done

payload/metadata_test.go

@@ -0,0 +1,30 @@
+package payload
+
+import (
+	"encoding/json"
+	"github.com/didiercrunch/ecrypto/helper"
+	"reflect"
+	"strings"
+	"testing"
+)
+
+func TestJsonifyMetadata(t *testing.T) {
+	m := &Metadata{helper.Range(10), helper.Range(12)}
+	marshaled, err := json.Marshal(m)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	if !strings.Contains(string(marshaled), `"000102030405060708090a0b"`) {
+		t.Error(`marshaled data should containe "000102030405060708090a0b"`, "\n", string(marshaled))
+	}
+	um := new(Metadata)
+	if err := json.Unmarshal(marshaled, um); err != nil {
+		t.Error(err)
+		return
+	}
+	if !reflect.DeepEqual(m, um) {
+		t.Error(m, " is not ", um)
+	}
+
+}