message: added unit tests for add_link_to_set_of_links
diff: @@ -198,4 +198,33 @@ mod tests {
  assert_eq!(paths.contains(&expected_path.to_string()), true);
  }
  }
  +
  + #[test]
  + /// test that a full url and fragment are joined correctly, then added to the given list
  + /// i.e. the happy path
  + fn extractor_add_link_to_set_of_links_happy_path() {
  + let url = Url::parse("https://localhost").unwrap();
  + let mut links = HashSet::<String>::new();
  + let link = "admin";
  +
  + assert_eq!(links.len(), 0);
  + add_link_to_set_of_links(link, &url, &mut links);
  +
  + assert_eq!(links.len(), 1);
  + assert!(links.contains("https://localhost/admin"));
  + }
  +
  + #[test]
  + /// test that an invalid path fragment doesn't add anything to the set of links
  + fn extractor_add_link_to_set_of_links_with_non_base_url() {
  + let url = Url::parse("https://localhost").unwrap();
  + let mut links = HashSet::<String>::new();
  + let link = "\\\\\\\\";
  +
  + assert_eq!(links.len(), 0);
  + add_link_to_set_of_links(link, &url, &mut links);
  +
  + assert_eq!(links.len(), 0);
  + assert!(links.is_empty());
  + }
  }
  