diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e0310a0
--- /dev/null
+++ b/tests/__init__.py
@@ -0,0 +1 @@
+"""Unit tests."""
diff --git a/tests/test_battleye_proto.py b/tests/test_battleye_proto.py
new file mode 100644
index 0000000..1569898
--- /dev/null
+++ b/tests/test_battleye_proto.py
@@ -0,0 +1,17 @@
+"""Test the BattlEye protocol."""
+
+from unittest import TestCase
+
+from rcon.battleye.proto import Header
+
+
+HEADER = Header(920575337, 0x00)
+BYTES = b'BEi\xdd\xde6\xff\x00'
+
+
+class TestHeader(TestCase):
+    """Test header object."""
+
+    def test_header_from_bytes(self):
+        """Tests header object parsing."""
+        self.assertEqual(Header.from_bytes(BYTES), HEADER)