initial commit

exercises/03_ticket_v1/07_setters/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "setters"
+version = "0.1.0"
+edition = "2021"
+
+[dev-dependencies]
+common = { path = "../../../helpers/common" }

exercises/03_ticket_v1/07_setters/src/lib.rs

@@ -0,0 +1,98 @@
+// TODO: Add &mut-setters to the `Ticket` struct for each of its fields.
+//   Make sure to enforce the same validation rules you have in `Ticket::new`!
+//   Even better, extract that logic and reuse it in both places. You can use
+//   private functions or private static methods for that.
+
+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 bytes");
+        }
+        if description.is_empty() {
+            panic!("Description cannot be empty");
+        }
+        if description.len() > 500 {
+            panic!("Description cannot be longer than 500 bytes");
+        }
+        if status != "To-Do" && status != "In Progress" && status != "Done" {
+            panic!("Only `To-Do`, `In Progress`, and `Done` statuses are allowed");
+        }
+
+        Ticket {
+            title,
+            description,
+            status,
+        }
+    }
+
+    pub fn title(&self) -> &String {
+        &self.title
+    }
+
+    pub fn description(&self) -> &String {
+        &self.description
+    }
+
+    pub fn status(&self) -> &String {
+        &self.status
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::Ticket;
+    use common::{overly_long_description, overly_long_title, valid_description, valid_title};
+
+    #[test]
+    fn works() {
+        let mut ticket = Ticket::new("A title".into(), "A description".into(), "To-Do".into());
+        ticket.set_title("A new title".into());
+        ticket.set_description("A new description".into());
+        ticket.set_status("Done".into());
+
+        assert_eq!(ticket.title(), "A new title");
+        assert_eq!(ticket.description(), "A new description");
+        assert_eq!(ticket.status(), "Done");
+    }
+
+    #[test]
+    #[should_panic(expected = "Title cannot be empty")]
+    fn title_cannot_be_empty() {
+        Ticket::new(valid_title(), valid_description(), "To-Do".into()).set_title("".into());
+    }
+
+    #[test]
+    #[should_panic(expected = "Description cannot be empty")]
+    fn description_cannot_be_empty() {
+        Ticket::new(valid_title(), valid_description(), "To-Do".into()).set_description("".into());
+    }
+
+    #[test]
+    #[should_panic(expected = "Title cannot be longer than 50 bytes")]
+    fn title_cannot_be_longer_than_fifty_chars() {
+        Ticket::new(valid_title(), valid_description(), "To-Do".into())
+            .set_title(overly_long_title())
+    }
+
+    #[test]
+    #[should_panic(expected = "Description cannot be longer than 500 bytes")]
+    fn description_cannot_be_longer_than_500_chars() {
+        Ticket::new(valid_title(), valid_description(), "To-Do".into())
+            .set_description(overly_long_description())
+    }
+
+    #[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(), "To-Do".into()).set_status("Funny".into());
+    }
+}