Adding test

src/envy/utility.rs

@@ -13,3 +13,28 @@ pub fn delimitize(var: &crate::envy::EnvVar) -> Result<Vec<String>, std::io::Err
         ))
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_delimitize() {
+        let envvar = crate::envy::EnvVar {
+            key: "OCEANS".to_string(),
+            value: "Atlantic|Pacific|Indian|Arctic".to_string(),
+            has_delimiter: true,
+            delimiter: '|',
+        };
+        let all_values = vec!["Atlantic".to_string(), "Pacific".to_string(), "Indian".to_string(), "Arctic".to_string()];
+
+        match delimitize(&envvar) {
+            Ok(values) => {
+                assert_eq!(values, all_values, "Failure in delimitizing EnvVar values");
+            }
+            Err(err) => {
+                assert!(false, "Error delimitizing: {err:?}");
+            }
+        }
+    }
+}