feat: lite deep researcher implementation

tests/integration/test_python_repl_tool.py

@@ -0,0 +1,57 @@
+import pytest
+from src.tools.python_repl import python_repl_tool
+
+
+def test_python_repl_tool_success():
+    code = "print(1 + 1)"
+    result = python_repl_tool(code)
+    assert "Successfully executed" in result
+    assert "Stdout: 2" in result
+
+
+def test_python_repl_tool_syntax_error():
+    code = "print(1 + )"
+    result = python_repl_tool(code)
+    assert "Error executing code:" in result
+    assert code in result
+    assert "SyntaxError" in result
+
+
+def test_python_repl_tool_runtime_error():
+    code = "print(1 / 0)"
+    result = python_repl_tool(code)
+    assert "Error executing code:" in result
+    assert code in result
+    assert "ZeroDivisionError" in result
+
+
+def test_python_repl_tool_name_error():
+    code = "print(undefined_variable)"
+    result = python_repl_tool(code)
+    assert "Error executing code:" in result
+    assert code in result
+    assert "NameError" in result
+
+
+def test_python_repl_tool_type_error():
+    code = "'2' + 2"
+    result = python_repl_tool(code)
+    assert "Error executing code:" in result
+    assert code in result
+    assert "TypeError" in result
+
+
+def test_python_repl_tool_import_error():
+    code = "from nonexistent_module import something"
+    result = python_repl_tool(code)
+    assert "Error executing code:" in result
+    assert code in result
+    assert "ModuleNotFoundError" in result
+
+
+def test_python_repl_tool_exception():
+    code = "raise Exception('Test')"
+    result = python_repl_tool(code)
+    assert "Error executing code:" in result
+    assert code in result
+    assert "Exception" in result