WIP: Regression hell

tests/test_deepseek_provider.py

@@ -111,3 +111,55 @@ def test_deepseek_streaming(mock_post: MagicMock) -> None:
   
   result = ai_client.send(md_content="Context", user_message="Stream test", base_dir=".", stream=True)
   assert result == "Hello World"
+
+@patch("requests.post")
+def test_deepseek_payload_verification(mock_post: MagicMock) -> None:
+ """
+    Verifies that the correct JSON payload (tools, history, params) is sent to DeepSeek.
+    """
+ ai_client.set_provider("deepseek", "deepseek-chat")
+ ai_client.reset_session()
+ with patch("src.ai_client._load_credentials", return_value={"deepseek": {"api_key": "test-key"}}):
+  mock_response = MagicMock()
+  mock_response.status_code = 200
+  mock_response.json.return_value = {
+   "choices": [{"message": {"content": "OK"}, "finish_reason": "stop"}]
+  }
+  mock_post.return_value = mock_response
+  
+  ai_client.send(md_content="Context", user_message="Message 1", base_dir=".", discussion_history="History")
+  
+  args, kwargs = mock_post.call_args
+  payload = kwargs["json"]
+  
+  assert payload["model"] == "deepseek-chat"
+  assert "tools" in payload
+  assert len(payload["messages"]) == 2 # system + user
+  assert "[DISCUSSION HISTORY]\n\nHistory" in payload["messages"][1]["content"]
+  assert "temperature" in payload
+  assert "max_tokens" in payload
+
+@patch("requests.post")
+def test_deepseek_reasoner_payload_verification(mock_post: MagicMock) -> None:
+ """
+    Verifies that deepseek-reasoner payload excludes tools and temperature.
+    """
+ ai_client.set_provider("deepseek", "deepseek-reasoner")
+ ai_client.reset_session()
+ with patch("src.ai_client._load_credentials", return_value={"deepseek": {"api_key": "test-key"}}):
+  mock_response = MagicMock()
+  mock_response.status_code = 200
+  mock_response.json.return_value = {
+   "choices": [{"message": {"content": "OK"}, "finish_reason": "stop"}]
+  }
+  mock_post.return_value = mock_response
+  
+  ai_client.send(md_content="Context", user_message="Message 1", base_dir=".")
+  
+  args, kwargs = mock_post.call_args
+  payload = kwargs["json"]
+  
+  assert payload["model"] == "deepseek-reasoner"
+  assert "tools" not in payload
+  assert "temperature" not in payload
+  assert "max_tokens" not in payload