Testing the Task Manager

Testing the Task Manager

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_task_addition_and_completion() {
        let mut mgr = TaskManager::new();
        let id = mgr.add("Audit dependencies".into());
        assert_eq!(mgr.list().len(), 1);

        let ok = mgr.complete(id);
        assert!(ok);
        assert!(mgr.list()[0].completed);
    }

    #[test]
    fn test_nonexistent_completion() {
        let mut mgr = TaskManager::new();
        assert!(!mgr.complete(999));
    }
}