feat: add Display to Feedback.

src/feedback.rs

@@ -1,6 +1,8 @@
 //! Contains structs and methods related to generating feedback strings
 //! for providing help for the user to generate stronger passwords.
 
+use itertools::Itertools;
+
 use crate::matching::patterns::*;
 use crate::matching::Match;
 use crate::{frequency_lists::DictionaryType, scoring::Score};
@@ -153,6 +155,17 @@ impl Feedback {
  }
 }
 
+impl fmt::Display for Feedback {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ if let Some(warning) = self.warning {
+ write!(f, "{} ", warning)?;
+ }
+ write!(f, "{}", self.suggestions.iter().join(" "))?;
+
+ Ok(())
+ }
+}
+
 pub(crate) fn get_feedback(score: Score, sequence: &[Match]) -> Option<Feedback> {
  if sequence.is_empty() {
  // default feedback
@@ -321,4 +334,16 @@ mod tests {
  Some(Warning::ThisIsSimilarToACommonlyUsedPassword)
  );
  }
+
+ #[test]
+ fn test_feedback_display() {
+ let feedback = Feedback {
+ warning: Some(Warning::ThisIsATop10Password),
+ suggestions: vec![Suggestion::UseAFewWordsAvoidCommonPhrases],
+ };
+ assert_eq!(
+ format!("{}", feedback),
+ "This is a top-10 common password. Use a few words, avoid common phrases."
+ );
+ }
 }