feat: add support for tuples to the marshaller (#267)

tests/test_marshaller.py

@@ -714,3 +714,29 @@ def test_unmarshall_multi_byte_string():
     assert unmarshaller.message.signature == "as"
     unpacked = unpack_variants(message.body)
     assert unpacked == [["//doesntmatter/über"]]
+
+
+def test_marshalling_struct_accepts_tuples():
+    """Test marshalling a struct accepts tuples."""
+    msg = Message(
+        path="/test",
+        member="test",
+        signature="(s)",
+        body=[(RaucState.GOOD,)],
+    )
+    marshalled = msg._marshall(False)
+    unmarshalled_msg = Unmarshaller(io.BytesIO(marshalled)).unmarshall()
+    assert unpack_variants(unmarshalled_msg.body)[0] == [RaucState.GOOD.value]
+
+
+def test_marshalling_struct_accepts_lists():
+    """Test marshalling a struct accepts lists."""
+    msg = Message(
+        path="/test",
+        member="test",
+        signature="(s)",
+        body=[[RaucState.GOOD]],
+    )
+    marshalled = msg._marshall(False)
+    unmarshalled_msg = Unmarshaller(io.BytesIO(marshalled)).unmarshall()
+    assert unpack_variants(unmarshalled_msg.body)[0] == [RaucState.GOOD.value]

tests/test_signature.py

@@ -231,3 +231,9 @@ def test_variant_signature_type():
 
     with pytest.raises(SignatureBodyMismatchError):
         Variant(tree.types[0], "wrong")
+
+
+def test_struct_accepts_tuples_or_lists():
+    tree = SignatureTree("(s)")
+    tree.verify([("ok",)])
+    tree.verify([["ok"]])