diff --git a/bfxapi/tests/test_labeler.py b/bfxapi/tests/test_labeler.py
index 721b20e..a4310ef 100644
--- a/bfxapi/tests/test_labeler.py
+++ b/bfxapi/tests/test_labeler.py
@@ -16,9 +16,41 @@ class TestLabeler(unittest.TestCase):
 
         serializer = generate_labeler_serializer("Test", Test, labels)
 
-        self.assertEqual(serializer.parse(5, None, 65.0, None, "X"), Test(5, 65.0, "X"))
-        self.assertRaises(LabelerSerializerException, serializer.parse, 5, 65.0, "X")
-        self.assertListEqual(serializer.get_labels(), [ "A", "B", "C" ])
+        self.assertEqual(serializer.parse(5, None, 65.0, None, "X"), Test(5, 65.0, "X"),
+            msg="_Serializer should produce the right result.")
+
+        self.assertEqual(serializer.parse(5, 65.0, "X", skip=[ "_PLACEHOLDER" ]), Test(5, 65.0, "X"),
+            msg="_Serializer should produce the right result when skip parameter is given.")
+
+        self.assertListEqual(serializer.get_labels(), [ "A", "B", "C" ],
+            msg="_Serializer::get_labels() should return the right list of labels.")
+
+        with self.assertRaises(LabelerSerializerException, 
+                msg="_Serializer should raise LabelerSerializerException if given fewer arguments than the serializer labels."):
+                    serializer.parse(5, 65.0, "X")
+
+    def test_generate_recursive_serializer(self):
+        @dataclass
+        class Outer(_Type): 
+            A: int
+            B: float
+            C: "Middle"
+
+        @dataclass
+        class Middle(_Type): 
+            D: str
+            E: "Inner"
+
+        @dataclass
+        class Inner(_Type): 
+            F: bool
+
+        inner = generate_labeler_serializer("Inner", Inner, ["F"])
+        middle = generate_recursive_serializer("Middle", Middle, ["D", "E"], { "E": inner })
+        outer = generate_recursive_serializer("Outer", Outer, ["A", "B", "C"], { "C": middle })
+
+        self.assertEqual(outer.parse(10, 45.5, [ "Y", [ True ] ]), Outer(10, 45.5, Middle("Y", Inner(True))),
+            msg="_RecursiveSerializer should produce the right result.")
 
 if __name__ == "__main__":
     unittest.main()
\ No newline at end of file