db: strconv.ParseInt specify base 10

closes #99

db/refresh.go

@@ -52,7 +52,7 @@ func parseToken(token string) (int64, []byte, error) {
 	if len(parts) != 2 {
 		return -1, nil, refresh.ErrorInvalidToken
 	}
-	id, err := strconv.ParseInt(parts[0], 0, 64)
+	id, err := strconv.ParseInt(parts[0], 10, 64)
 	if err != nil {
 		return -1, nil, refresh.ErrorInvalidToken
 	}

db/refresh_test.go

@@ -0,0 +1,31 @@
+package db
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestBuildAndParseToken(t *testing.T) {
+	tests := []struct {
+		id      int64
+		payload []byte
+	}{
+		{11111, []byte("may the force be with you")},
+		{123213, []byte("If we can hit that bullseye the rest of the dominoes will fall like a house of cards, checkmate!")},
+		{1, []byte{0xd3, 0x22, 0xa8, 0x44, 0x34, 0x94, 0xd8}},
+	}
+
+	for i, tt := range tests {
+		id, payload, err := parseToken(buildToken(tt.id, tt.payload))
+		if err != nil {
+			t.Errorf("case %d: failed to parse token: %v", i, err)
+			continue
+		}
+		if tt.id != id {
+			t.Errorf("case %d: want id=%d, got id=%d", i, tt.id, id)
+		}
+		if bytes.Compare(tt.payload, payload) != 0 {
+			t.Errorf("case %d: want payload=%x, got payload=%x", i, tt.payload, payload)
+		}
+	}
+}