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// Import necessary items for testing
use crate::{draw_typing_game, input_handler, read_sentences, App, State};
use crossterm::event::{KeyCode, KeyEvent};
use std::{
io,
sync::{Arc, Mutex},
};
use tui::layout::Rect;
use tui::{backend::CrosstermBackend, Terminal};
#[cfg(test)]
#[allow(unused_imports)] // Ignore unused import warnings within the test module
mod tests {
use super::*;
#[test]
fn test_new_app() {
// Test that a new App initializes correctly
let app_result = App::new();
assert!(app_result.is_ok());
let app = app_result.unwrap();
assert_eq!(app.input_string, "");
assert_eq!(app.time_taken, 0);
assert_eq!(app.timer, None);
assert_eq!(app.state, State::MainMenu);
assert_eq!(app.should_exit, false);
assert!(!app.sentences.is_empty());
assert!(app.current_sentence_index < app.sentences.len());
}
#[test]
fn test_reset_app() {
// Test the reset functionality of App
let mut app = App::new().unwrap();
app.current_sentence_index = 0; // Set initial index to 0
let old_index = app.current_sentence_index;
println!(
"Before reset: old_index = {}, current_sentence_index = {}",
old_index, app.current_sentence_index
);
app.time_taken = 100;
app.input_string = "Some input".to_string();
app.reset();
println!(
"After reset: old_index = {}, current_sentence_index = {}",
old_index, app.current_sentence_index
);
// Check that current_sentence_index changes after reset
assert_ne!(app.current_sentence_index, old_index);
assert_eq!(app.time_taken, 0);
assert_eq!(app.input_string, "");
assert_eq!(app.timer, None);
assert_eq!(app.state, State::TypingGame);
}
#[test]
fn test_current_sentence() {
// Test the retrieval of the current sentence
let app = App::new().unwrap();
let current_sentence = app.current_sentence();
assert!(!current_sentence.is_empty());
}
#[test]
fn test_start_timer() {
// Test starting the timer
let mut app = App::new().unwrap();
app.start_timer();
assert!(app.timer.is_some());
}
#[test]
fn test_update_timer() {
// Test updating the timer
let mut app = App::new().unwrap();
app.start_timer();
let initial_time = app.time_taken;
std::thread::sleep(std::time::Duration::from_secs(1));
app.update_timer();
assert!(app.time_taken > initial_time);
}
#[test]
fn test_update_wpm() {
// Test updating words per minute calculation
let mut app = App::new().unwrap();
app.time_taken = 60; // 1 minute
app.input_string = "This is a test sentence".to_string();
let wpm = app.update_wpm();
assert_eq!(wpm, 5.0); // 5 words per minute for this sentence
}
#[test]
fn test_read_sentences() {
// Test reading sentences from a file
let sentences_result = read_sentences("sentences.txt");
assert!(sentences_result.is_ok());
let sentences = sentences_result.unwrap();
assert!(!sentences.is_empty());
}
#[test]
fn test_draw_typing_game() {
// Test drawing the typing game UI
let mut app = App::new().unwrap();
let stdout = io::stdout();
let backend = CrosstermBackend::new(stdout);
let mut terminal = Terminal::new(backend).unwrap();
let size = Rect::default();
draw_typing_game(&mut terminal.get_frame(), size, &mut app);
// No need to assert anything here since it's a rendering function
}
#[tokio::test]
async fn test_input_handler() {
// Test the input handler function
let mut app = App::new().unwrap();
// Simulate typing 'a'
let event = KeyEvent::from(KeyCode::Char('a'));
input_handler(event, &mut app, Arc::new(Mutex::new(()))).await;
assert_eq!(app.input_string, "a");
// Simulate typing 'b'
let event = KeyEvent::from(KeyCode::Char('b'));
input_handler(event, &mut app, Arc::new(Mutex::new(()))).await;
assert_eq!(app.input_string, "ab");
// Simulate pressing Backspace
let event = KeyEvent::from(KeyCode::Backspace);
input_handler(event, &mut app, Arc::new(Mutex::new(()))).await;
assert_eq!(app.input_string, "a");
// Simulate pressing Enter in MainMenu state
let event = KeyEvent::from(KeyCode::Enter);
app.state = State::MainMenu;
input_handler(event, &mut app, Arc::new(Mutex::new(()))).await;
assert_eq!(app.state, State::TypingGame);
assert_eq!(app.input_string, "");
// Simulate typing 'T' in TypingGame state
let event = KeyEvent::from(KeyCode::Char('T'));
app.state = State::TypingGame;
input_handler(event, &mut app, Arc::new(Mutex::new(()))).await;
assert_eq!(app.input_string, "T");
// Simulate completing sentence and pressing Enter
let sentence = app.current_sentence().to_string();
app.input_string = sentence.clone();
let event = KeyEvent::from(KeyCode::Enter);
input_handler(event, &mut app, Arc::new(Mutex::new(()))).await;
assert_eq!(app.state, State::EndScreen);
assert_eq!(app.input_string.trim(), sentence.trim());
// Simulate pressing Esc in EndScreen state
let event = KeyEvent::from(KeyCode::Esc);
app.state = State::EndScreen;
input_handler(event, &mut app, Arc::new(Mutex::new(()))).await;
assert_eq!(app.should_exit, true);
}
}
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