100-exercises-to-learn-rust/exercises/03_ticket_v1/05_encapsulation/src/lib.rs

62 lines
1.8 KiB
Rust

pub mod ticket {
pub struct Ticket {
title: String,
description: String,
status: String,
}
impl Ticket {
pub fn new(title: String, description: String, status: String) -> Ticket {
if title.is_empty() {
panic!("Title cannot be empty");
}
if title.len() > 50 {
panic!("Title cannot be longer than 50 characters");
}
if description.is_empty() {
panic!("Description cannot be empty");
}
if description.len() > 500 {
panic!("Description cannot be longer than 500 characters");
}
if status != "To-Do" && status != "In Progress" && status != "Done" {
panic!("Only `To-Do`, `In Progress`, and `Done` statuses are allowed");
}
Ticket {
title,
description,
status,
}
}
// TODO: Add three public methods to the `Ticket` struct:
// - `title` that returns the `title` field.
// - `description` that returns the `description` field.
// - `status` that returns the `status` field.
}
}
#[cfg(test)]
mod tests {
use super::ticket::Ticket;
#[test]
fn description() {
let ticket = Ticket::new("A title".into(), "A description".into(), "To-Do".into());
assert_eq!(ticket.description(), "A description");
}
#[test]
fn title() {
let ticket = Ticket::new("A title".into(), "A description".into(), "To-Do".into());
assert_eq!(ticket.title(), "A title");
}
#[test]
fn status() {
let ticket = Ticket::new("A title".into(), "A description".into(), "To-Do".into());
assert_eq!(ticket.status(), "To-Do");
}
}