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use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
#[cfg(test)]
mod visualization_switch_tests {
use super::*;
/// Contract test for visualization switching key 'v'
///
/// From interactive_interface.md:
/// Input: KeyEvent { code: Char('v'), modifiers: NONE }
/// Precondition: algorithms exist (any mode)
/// Postcondition:
/// - viewed_algorithm cycles to next algorithm
/// - Array visualization updates to show selected algorithm's data
/// - Algorithm name highlighted in UI
#[test]
fn test_visualization_switch_key() {
let key_event = KeyEvent {
code: KeyCode::Char('v'),
modifiers: KeyModifiers::NONE,
kind: crossterm::event::KeyEventKind::Press,
state: crossterm::event::KeyEventState::NONE,
};
// TODO: Uncomment when DisplayMode is implemented
// let mut display_mode = DisplayMode::new();
// let initial_algorithm = display_mode.viewed_algorithm;
//
// let result = display_mode.handle_visualization_switch(key_event);
//
// assert!(result.is_ok());
// assert_ne!(display_mode.viewed_algorithm, initial_algorithm);
// assert!(display_mode.should_update_visualization());
// For TDD: This test must fail until implementation exists
panic!("DisplayMode not yet implemented - this test should fail until T026 is complete");
}
#[test]
fn test_visualization_cycles_through_all_algorithms() {
// Contract: viewed_algorithm cycles to next algorithm
// TODO: Uncomment when DisplayMode is implemented
// let mut display_mode = DisplayMode::new();
// let initial_algorithm = display_mode.viewed_algorithm;
//
// let available_count = display_mode.available_algorithms.len();
//
// // Cycle through all algorithms
// for i in 0..available_count {
// let key_event = KeyEvent {
// code: KeyCode::Char('v'),
// modifiers: KeyModifiers::NONE,
// kind: crossterm::event::KeyEventKind::Press,
// state: crossterm::event::KeyEventState::NONE,
// };
// display_mode.handle_visualization_switch(key_event);
// }
//
// // Should cycle back to initial algorithm
// assert_eq!(display_mode.viewed_algorithm, initial_algorithm);
// For TDD: This test must fail until implementation exists
panic!("DisplayMode not yet implemented - this test should fail until T026 is complete");
}
#[test]
fn test_visualization_works_in_any_mode() {
// Contract: Precondition: algorithms exist (any mode) - should work in all modes
// TODO: Uncomment when DisplayMode and InteractiveMode are implemented
// let modes = vec![
// ApplicationMode::Configuration,
// ApplicationMode::Racing,
// ApplicationMode::Paused,
// ApplicationMode::Complete,
// ];
//
// for mode in modes {
// let mut interactive_mode = InteractiveMode::new();
// interactive_mode.current_mode = mode;
//
// let key_event = KeyEvent {
// code: KeyCode::Char('v'),
// modifiers: KeyModifiers::NONE,
// kind: crossterm::event::KeyEventKind::Press,
// state: crossterm::event::KeyEventState::NONE,
// };
//
// let result = interactive_mode.handle_key_event(key_event);
//
// // Should work in all modes as long as algorithms exist
// assert!(result.is_ok(), "Visualization switch should work in {:?} mode", mode);
// }
// For TDD: This test must fail until implementation exists
panic!("DisplayMode and InteractiveMode not yet implemented - this test should fail until T024 and T026 are complete");
}
#[test]
fn test_visualization_updates_array_data() {
// Contract: Array visualization updates to show selected algorithm's data
// TODO: Uncomment when DisplayMode and array visualization are implemented
// let mut display_mode = DisplayMode::new();
//
// // Get initial array data
// let initial_array = display_mode.get_current_array_data();
//
// // Switch to next algorithm
// let key_event = KeyEvent {
// code: KeyCode::Char('v'),
// modifiers: KeyModifiers::NONE,
// kind: crossterm::event::KeyEventKind::Press,
// state: crossterm::event::KeyEventState::NONE,
// };
// display_mode.handle_visualization_switch(key_event);
//
// // Array data should be different (assuming algorithms have different states)
// let new_array = display_mode.get_current_array_data();
// // Note: Arrays might be the same if algorithms are at same stage, but source should differ
// assert_ne!(display_mode.get_array_source_algorithm(), initial_algorithm);
// For TDD: This test must fail until implementation exists
panic!("DisplayMode and array visualization not yet implemented - this test should fail until T026 is complete");
}
#[test]
fn test_visualization_highlights_current_algorithm() {
// Contract: Algorithm name highlighted in UI
// TODO: Uncomment when DisplayMode is implemented
// let mut display_mode = DisplayMode::new();
//
// let key_event = KeyEvent {
// code: KeyCode::Char('v'),
// modifiers: KeyModifiers::NONE,
// kind: crossterm::event::KeyEventKind::Press,
// state: crossterm::event::KeyEventState::NONE,
// };
// display_mode.handle_visualization_switch(key_event);
//
// let highlighted_algorithm = display_mode.get_highlighted_algorithm();
// assert_eq!(highlighted_algorithm, display_mode.viewed_algorithm);
// assert!(display_mode.is_algorithm_highlighted(display_mode.viewed_algorithm));
// For TDD: This test must fail until implementation exists
panic!("DisplayMode not yet implemented - this test should fail until T026 is complete");
}
}