Test manual validation

Author: AdrienVannson

tests/test_manual_validation.py

@@ -0,0 +1,23 @@
+import pydantic
+import pytest
+
+
+def test_manual_validation():
+    from tests.output_betterproto_pydantic.manual_validation import Msg
+
+    msg = Msg()
+
+    msg.x = 12
+    msg._validate()
+
+    msg.x = 2**50  # This is an invalid int32 value
+    with pytest.raises(pydantic.ValidationError):
+        msg._validate()
+
+
+def test_manual_validation_non_pydantic():
+    from tests.output_betterproto.manual_validation import Msg
+
+    # Validation is not available for non-pydantic messages
+    with pytest.raises(TypeError):
+        Msg()._validate()