added one test case for settings format

Author: Nitish [C] Dhok

e2etests/tests/q_subcommand/test_q_settings_format_command.rs

@@ -0,0 +1,43 @@
+use q_cli_e2e_tests::q_chat_helper;
+
+/// Tests the 'q settings --format' subcommand with the following:
+/// - Verifies that the command returns a non-empty response
+/// - Checks that the response contains the expected JSON-formatted setting value
+/// - Validates that the setting name is referenced in the output
+/// - Uses json-pretty format to display the chat.defaultAgent setting
+#[test]
+#[cfg(all(feature = "q_subcommand", feature = "sanity"))]
+fn test_q_setting_format_subcommand() -> Result<(), Box<dyn std::error::Error>> {
+
+println!("\n🔍 Testing q settings --format <FORMAT> <SETTINGS>... | Description: Tests the q settings --FORMAT <FORMAT> <SETTINGS> subcommand to validate FORMAT content.");
+let response = q_chat_helper::execute_q_subcommand("q", &["settings", "--format", "json-pretty", "chat.defaultAgent"])?;
+
+println!("📝 transform response: {} bytes", response.len());
+println!("📝 FULL OUTPUT:");
+println!("{}", response);
+println!("📝 END OUTPUT");
+
+assert!(!response.is_empty(), "Expected non-empty response");
+assert!(response.contains("\"q_cli_default\""), "Expected JSON-formatted setting value");
+assert!(response.contains("chat.defaultAgent"), "Expected command to reference the setting name");
+
+Ok(())
+}
+#[test]
+#[cfg(all(feature = "q_subcommand", feature = "sanity"))]
+fn test_q_setting_format_subcommand() -> Result<(), Box<dyn std::error::Error>> {
+
+println!("\n🔍 Testing q settings --format <FORMAT> <SETTINGS>... | Description: Tests the q settings --FORMAT <FORMAT> <SETTINGS> subcommand to validate FORMAT content.");
+let response = q_chat_helper::execute_q_subcommand("q", &["settings", "--format", "json-pretty", "chat.defaultAgent"])?;
+
+println!("📝 transform response: {} bytes", response.len());
+println!("📝 FULL OUTPUT:");
+println!("{}", response);
+println!("📝 END OUTPUT");
+
+assert!(!response.is_empty(), "Expected non-empty response");
+assert!(response.contains("\"q_cli_default\""), "Expected JSON-formatted setting value");
+assert!(response.contains("chat.defaultAgent"), "Expected command to reference the setting name");
+
+Ok(())
+}