feat: lite deep researcher implementation

tests/integration/test_bash_tool.py

@@ -0,0 +1,44 @@
+import unittest
+import subprocess
+from unittest.mock import patch
+from src.tools.bash_tool import bash_tool
+
+
+class TestBashTool(unittest.TestCase):
+    def test_successful_command(self):
+        """Test bash tool with a successful command execution"""
+        result = bash_tool.invoke("echo 'Hello World'")
+        self.assertEqual(result.strip(), "Hello World")
+
+    @patch("subprocess.run")
+    def test_command_with_error(self, mock_run):
+        """Test bash tool when command fails"""
+        # Configure mock to raise CalledProcessError
+        mock_run.side_effect = subprocess.CalledProcessError(
+            returncode=1, cmd="invalid_command", output="", stderr="Command not found"
+        )
+
+        result = bash_tool.invoke("invalid_command")
+        self.assertIn("Command failed with exit code 1", result)
+        self.assertIn("Command not found", result)
+
+    @patch("subprocess.run")
+    def test_command_with_exception(self, mock_run):
+        """Test bash tool when an unexpected exception occurs"""
+        # Configure mock to raise a generic exception
+        mock_run.side_effect = Exception("Unexpected error")
+
+        result = bash_tool.invoke("some_command")
+        self.assertIn("Error executing command: Unexpected error", result)
+
+    def test_command_with_output(self):
+        """Test bash tool with a command that produces output"""
+        # Create a temporary file and write to it
+        result = bash_tool.invoke(
+            "echo 'test content' > test_file.txt && cat test_file.txt && rm test_file.txt"
+        )
+        self.assertEqual(result.strip(), "test content")
+
+
+if __name__ == "__main__":
+    unittest.main()