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

tests/gateway/test_api_server_normalize.py

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+"""Tests for _normalize_chat_content in the API server adapter."""
+
+from gateway.platforms import api_server
+from gateway.platforms.api_server import _normalize_chat_content
+
+
+class TestNormalizeChatContent:
+    """Content normalization converts array-based content parts to plain text."""
+
+    def test_none_returns_empty_string(self):
+        assert _normalize_chat_content(None) == ""
+
+    def test_plain_string_returned_as_is(self):
+        assert _normalize_chat_content("hello world") == "hello world"
+
+
+    def test_text_content_part(self):
+        content = [{"type": "text", "text": "hello"}]
+        assert _normalize_chat_content(content) == "hello"
+
+    def test_input_text_content_part(self):
+        content = [{"type": "input_text", "text": "user input"}]
+        assert _normalize_chat_content(content) == "user input"
+
+    def test_output_text_content_part(self):
+        content = [{"type": "output_text", "text": "assistant output"}]
+        assert _normalize_chat_content(content) == "assistant output"
+
+
+    def test_empty_text_parts_filtered(self):
+        content = [
+            {"type": "text", "text": ""},
+            {"type": "text", "text": "actual"},
+            {"type": "text", "text": ""},
+        ]
+        assert _normalize_chat_content(content) == "actual"
+
+