struct Ticket { title: String, description: String, status: String, } impl Ticket { // TODO: implement the `new` function. // The following requirements should be met: // - Only `To-Do`, `In Progress`, and `Done` statuses are allowed. // - The `title` and `description` fields should not be empty. // - the `title` should be at most 50 bytes long. // - the `description` should be at most 500 bytes long. // The method should panic if any of the requirements are not met. // // You'll have to use what you learned in the previous exercises, // as well as some `String` methods. Use the documentation of Rust's standard library // to find the most appropriate options -> https://doc.rust-lang.org/std/string/struct.String.html fn new(title: String, description: String, status: String) -> Self { todo!(); Self { title, description, status, } } } #[cfg(test)] mod tests { use super::*; use common::{overly_long_description, overly_long_title, valid_description, valid_title}; #[test] #[should_panic(expected = "Title cannot be empty")] fn title_cannot_be_empty() { Ticket::new("".into(), valid_description(), "To-Do".into()); } #[test] #[should_panic(expected = "Description cannot be empty")] fn description_cannot_be_empty() { Ticket::new(valid_title(), "".into(), "To-Do".into()); } #[test] #[should_panic(expected = "Title cannot be longer than 50 characters")] fn title_cannot_be_longer_than_fifty_chars() { Ticket::new(overly_long_title(), valid_description(), "To-Do".into()); } #[test] #[should_panic(expected = "Description cannot be longer than 500 characters")] fn description_cannot_be_longer_than_500_chars() { Ticket::new(valid_title(), overly_long_description(), "To-Do".into()); } #[test] #[should_panic(expected = "Only `To-Do`, `In Progress`, and `Done` statuses are allowed")] fn status_must_be_valid() { Ticket::new(valid_title(), valid_description(), "Funny".into()); } #[test] fn done_is_allowed() { Ticket::new(valid_title(), valid_description(), "Done".into()); } #[test] fn in_progress_is_allowed() { Ticket::new(valid_title(), valid_description(), "In Progress".into()); } }