diff --git a/src/index.rs b/src/index.rs
index 6b4b4a8..191b13e 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -46,3 +46,21 @@ fn truncate(value: &Value, args: &HashMap<String, Value>) -> Result<Value, tera:
 }
 
 
+#[cfg(test)]
+mod tests {
+    use crate::index::*;
+    #[test]
+    fn truncate_shortens() {
+        let mut args: HashMap<String, Value> = HashMap::new();
+        args.insert("len".to_string(), Value::String("4".to_string()));
+        let truncated_string = truncate(&Value::String("Meow Nya".to_string()), &args).unwrap();
+        assert_eq!(truncated_string.as_str().unwrap(),"Meow");
+    }
+
+    #[test]
+    fn unformat_html() {
+        let html_src = "<p>Meow nyaaa<em> UwU</em></p>".to_string();
+        let unformatted_text = get_unformatted_text(html_src);
+        assert_eq!(unformatted_text,"Meow nyaaa UwU");
+    }
+}