changed public id format to be 128 bit length.

doormen/encoding_test.go

@@ -1,6 +1,7 @@
 package doormen
 
 import (
+	"encoding/base64"
 	"encoding/json"
 	"gopkg.in/mgo.v2/bson"
 	"reflect"
@@ -22,6 +23,42 @@ func TestJsonEncoding(t *testing.T) {
 	}
 }
 
+func TestJsonEncodingWithEmptyIds(t *testing.T) {
+	dmd := QuickNewDoormanDefinition("test json", "1/4", "3/4")
+	dmd.Id = ""
+	data, err := json.Marshal(dmd)
+	if err != nil {
+		t.Error(err)
+	}
+	dmd2 := new(DoormanDefinition)
+	if err = json.Unmarshal(data, dmd2); err != nil {
+		t.Error(err)
+	}
+	if !reflect.DeepEqual(dmd2, dmd) {
+		t.Error()
+	}
+}
+
+func TestJsonIdFormatToBeCompatibleWithSiphashKey(t *testing.T) {
+	dmd := QuickNewDoormanDefinition("test json", "1/4", "3/4")
+	data, err := json.Marshal(dmd)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	m := make(map[string]interface{})
+	if err = json.Unmarshal(data, &m); err != nil {
+		t.Error(err)
+		return
+	}
+	if b, err := base64.URLEncoding.DecodeString(m["id"].(string)); err != nil {
+		t.Error(err)
+		return
+	} else if len(b) != 16 {
+		t.Error("siphash requires a 16 bytes (128 bits) key not ", len(b))
+	}
+}
+
 func TestBsonEncoding(t *testing.T) {
 	dmd := QuickNewDoormanDefinition("test bson", "1/4", "3/4")
 	data, err := bson.Marshal(dmd)
@@ -36,3 +73,19 @@ func TestBsonEncoding(t *testing.T) {
 		t.Error()
 	}
 }
+
+func TestDoormanIdJsonEncoding(t *testing.T) {
+	did := &DoormanId{bson.NewObjectId(), "hahaha"}
+	data, err := json.Marshal(did)
+	if err != nil {
+		t.Error(err)
+	}
+	did2 := new(DoormanId)
+	if err = json.Unmarshal(data, did2); err != nil {
+		t.Error(err)
+	}
+	if !reflect.DeepEqual(did2, did) {
+		t.Error()
+	}
+
+}