Adding upstream version 1.2+20240521.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tests/inputs/oneof_enum/test_oneof_enum.py

@@ -0,0 +1,47 @@
+import pytest
+
+import aristaproto
+from tests.output_aristaproto.oneof_enum import (
+    Move,
+    Signal,
+    Test,
+)
+from tests.util import get_test_case_json_data
+
+
+def test_which_one_of_returns_enum_with_default_value():
+    """
+    returns first field when it is enum and set with default value
+    """
+    message = Test()
+    message.from_json(
+        get_test_case_json_data("oneof_enum", "oneof_enum-enum-0.json")[0].json
+    )
+
+    assert not hasattr(message, "move")
+    assert object.__getattribute__(message, "move") == aristaproto.PLACEHOLDER
+    assert message.signal == Signal.PASS
+    assert aristaproto.which_one_of(message, "action") == ("signal", Signal.PASS)
+
+
+def test_which_one_of_returns_enum_with_non_default_value():
+    """
+    returns first field when it is enum and set with non default value
+    """
+    message = Test()
+    message.from_json(
+        get_test_case_json_data("oneof_enum", "oneof_enum-enum-1.json")[0].json
+    )
+    assert not hasattr(message, "move")
+    assert object.__getattribute__(message, "move") == aristaproto.PLACEHOLDER
+    assert message.signal == Signal.RESIGN
+    assert aristaproto.which_one_of(message, "action") == ("signal", Signal.RESIGN)
+
+
+def test_which_one_of_returns_second_field_when_set():
+    message = Test()
+    message.from_json(get_test_case_json_data("oneof_enum")[0].json)
+    assert message.move == Move(x=2, y=3)
+    assert not hasattr(message, "signal")
+    assert object.__getattribute__(message, "signal") == aristaproto.PLACEHOLDER
+    assert aristaproto.which_one_of(message, "action") == ("move", Move(x=2, y=3))