Adds unit tests for new structs clone functions.

consul/structs/structs_test.go

@@ -53,3 +53,53 @@ func TestStructs_Implements(t *testing.T) {
 		_ CompoundResponse = &KeyringResponses{}
 	)
 }
+
+func TestStructs_ServiceNode_Clone(t *testing.T) {
+	sn := &ServiceNode{
+		Node:           "node1",
+		Address:        "127.0.0.1",
+		ServiceID:      "service1",
+		ServiceName:    "dogs",
+		ServiceTags:    []string{"prod", "v1"},
+		ServiceAddress: "127.0.0.2",
+		ServicePort:    8080,
+		RaftIndex:      RaftIndex{
+			CreateIndex: 1,
+			ModifyIndex: 2,
+		},
+	}
+
+	clone := sn.Clone()
+	if !reflect.DeepEqual(sn, clone) {
+		t.Fatalf("bad: %v", clone)
+	}
+
+	sn.ServiceTags = append(sn.ServiceTags, "hello")
+	if reflect.DeepEqual(sn, clone) {
+		t.Fatalf("clone wasn't independent of the original")
+	}
+}
+
+func TestStructs_DirEntry_Clone(t *testing.T) {
+	e := &DirEntry{
+		LockIndex: 5,
+		Key: "hello",
+		Flags: 23,
+		Value: []byte("this is a test"),
+		Session: "session1",
+		RaftIndex:      RaftIndex{
+			CreateIndex: 1,
+			ModifyIndex: 2,
+		},
+	}
+
+	clone := e.Clone()
+	if !reflect.DeepEqual(e, clone) {
+		t.Fatalf("bad: %v", clone)
+	}
+
+	e.Value = []byte("a new value")
+	if reflect.DeepEqual(e, clone) {
+		t.Fatalf("clone wasn't independent of the original")
+	}
+}