sorting-race 0.2.0

Terminal-based sorting algorithm race visualization tool with real-time metrics
Documentation
use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};

#[cfg(test)]
mod fairness_config_tests {
    use super::*;
    
    /// Contract test for fairness configuration key 'f'
    /// 
    /// From interactive_interface.md:
    /// Input: KeyEvent { code: Char('f'), modifiers: NONE }
    /// Precondition: current_mode != Racing
    /// Postcondition:
    ///   - config_focus = Some(FairnessMode)
    ///   - UI shows fairness options [Comparison, Weighted, Walltime, Adaptive]  
    ///   - Arrow keys cycle through options
    ///   - Sub-parameters appear based on selection
    #[test]
    fn test_fairness_key_activates_menu() {
        let key_event = KeyEvent {
            code: KeyCode::Char('f'),
            modifiers: KeyModifiers::NONE,
            kind: crossterm::event::KeyEventKind::Press,
            state: crossterm::event::KeyEventState::NONE,
        };
        
        // TODO: Uncomment when InteractiveMode is implemented
        // let mut interactive_mode = InteractiveMode::new();
        // assert_eq!(interactive_mode.current_mode, ApplicationMode::Configuration);
        // 
        // let result = interactive_mode.handle_key_event(key_event);
        // 
        // assert!(result.is_ok());
        // assert_eq!(interactive_mode.config_focus, Some(ConfigurationField::FairnessMode));
        // assert!(interactive_mode.is_menu_visible());
        
        // For TDD: This test must fail until implementation exists
        panic!("InteractiveMode not yet implemented - this test should fail until T024 is complete");
    }
    
    #[test]
    fn test_fairness_mode_options() {
        // Contract: UI shows fairness options [Comparison, Weighted, Walltime, Adaptive]
        
        // TODO: Uncomment when ConfigurationState and FairnessMode are implemented
        // let config_state = ConfigurationState::new();
        // let available_modes = config_state.get_available_fairness_modes();
        // 
        // assert_eq!(available_modes.len(), 4);
        // assert!(available_modes.contains(&FairnessMode::Comparison));
        // assert!(available_modes.contains(&FairnessMode::Weighted));
        // assert!(available_modes.contains(&FairnessMode::Walltime));
        // assert!(available_modes.contains(&FairnessMode::Adaptive));
        
        // For TDD: This test must fail until implementation exists
        panic!("ConfigurationState and FairnessMode not yet implemented - this test should fail until T023 is complete");
    }
    
    #[test]
    fn test_fairness_sub_parameters_comparison() {
        // Contract: Sub-parameters appear based on selection - Comparison needs budget
        
        // TODO: Uncomment when ConfigurationState is implemented
        // let mut config_state = ConfigurationState::new();
        // config_state.fairness_mode = FairnessMode::Comparison;
        // 
        // // Should require budget parameter
        // assert!(config_state.requires_budget_parameter());
        // assert!(!config_state.requires_weighted_parameters());
        // assert!(!config_state.requires_learning_rate_parameter());
        
        // For TDD: This test must fail until implementation exists
        panic!("ConfigurationState not yet implemented - this test should fail until T023 is complete");
    }
    
    #[test]
    fn test_fairness_sub_parameters_weighted() {
        // Contract: Sub-parameters appear based on selection - Weighted needs alpha/beta
        
        // TODO: Uncomment when ConfigurationState is implemented
        // let mut config_state = ConfigurationState::new();
        // config_state.fairness_mode = FairnessMode::Weighted;
        // 
        // // Should require alpha and beta parameters
        // assert!(!config_state.requires_budget_parameter());
        // assert!(config_state.requires_weighted_parameters());
        // assert!(!config_state.requires_learning_rate_parameter());
        
        // For TDD: This test must fail until implementation exists
        panic!("ConfigurationState not yet implemented - this test should fail until T023 is complete");
    }
    
    #[test]
    fn test_fairness_sub_parameters_adaptive() {
        // Contract: Sub-parameters appear based on selection - Adaptive needs learning rate
        
        // TODO: Uncomment when ConfigurationState is implemented
        // let mut config_state = ConfigurationState::new();
        // config_state.fairness_mode = FairnessMode::Adaptive;
        // 
        // // Should require learning rate parameter
        // assert!(!config_state.requires_budget_parameter());
        // assert!(!config_state.requires_weighted_parameters());
        // assert!(config_state.requires_learning_rate_parameter());
        
        // For TDD: This test must fail until implementation exists
        panic!("ConfigurationState not yet implemented - this test should fail until T023 is complete");
    }
    
    #[test]
    fn test_fairness_key_blocked_during_racing() {
        // Contract: Precondition: current_mode != Racing
        
        let key_event = KeyEvent {
            code: KeyCode::Char('f'),
            modifiers: KeyModifiers::NONE,
            kind: crossterm::event::KeyEventKind::Press,
            state: crossterm::event::KeyEventState::NONE,
        };
        
        // TODO: Uncomment when InteractiveMode is implemented
        // let mut interactive_mode = InteractiveMode::new();
        // interactive_mode.current_mode = ApplicationMode::Racing;
        // 
        // let result = interactive_mode.handle_key_event(key_event);
        // 
        // // Should not change config_focus when racing
        // assert_eq!(interactive_mode.config_focus, None);
        // assert_eq!(interactive_mode.current_mode, ApplicationMode::Racing);
        
        // For TDD: This test must fail until implementation exists
        panic!("InteractiveMode not yet implemented - this test should fail until T024 is complete");
    }
}