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