Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

tests/agent/test_none_deref_guards.py

@@ -0,0 +1,38 @@
+"""Regression tests for None-dereference guards on ``.get(key, "").method()``
+patterns (#55997 salvage + config-derived sibling sites).
+
+``dict.get(key, default)`` only returns the default when the key is ABSENT;
+a present-but-null value sails through as None and crashes any chained
+method call.
+"""
+
+from agent.anthropic_adapter import _convert_user_message
+from agent.moa_loop import _slot_label
+
+
+class TestAnthropicNullTextBlock:
+    def test_null_text_block_treated_as_empty(self):
+        """A text block with ``text: null`` must not crash the empty-message
+        check in _convert_user_message (#55997)."""
+        result = _convert_user_message([{"type": "text", "text": None}])
+        # Must not raise; result is a valid user message dict
+        assert result["role"] == "user"
+
+    def test_mixed_null_and_real_text_blocks(self):
+        result = _convert_user_message(
+            [
+                {"type": "text", "text": None},
+                {"type": "text", "text": "hello"},
+            ]
+        )
+        assert result["role"] == "user"
+
+
+class TestMoaSlotLabelNullFields:
+    def test_null_provider_and_model(self):
+        """MoA slot with ``provider: null`` in config.yaml must not crash
+        label construction."""
+        assert _slot_label({"provider": None, "model": None}) == ":"  # type: ignore[arg-type]
+
+    def test_normal_slot(self):
+        assert _slot_label({"provider": "openrouter", "model": "m"}) == "openrouter:m"