diff --git a/Cargo.toml b/Cargo.toml
index 68ffe3381e811337a435b5ee079e010b0810fbad..43fc476d7f891e6c4241d2ffeffa52ac412a5eee 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,3 +10,6 @@ description = "Process analysis & watcher daemon"
 psutil = { version = "3.2.2", features = ["serde"] }
 serde = "1.0.192"
 serde_derive = "1.0.192"
+
+[dev-dependencies]
+assert_matches = "1.5.0"
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 8bd63b1c3077075ccf9c51de46c3095d44f4e32b..08a4f2e622c120175a503df44109d51faf5dde73 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -87,17 +87,24 @@ impl Paw {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use assert_matches::assert_matches;
 
     #[test]
     fn watch() {
         let paw = Paw::new("node", &["tests/test.js"], 500);
         let callback = move |result: PawResult| {
-            println!("{:?}", result);
+            assert_matches!(
+                result,
+                PawResult {
+                    info: PawInfo { .. },
+                    process: PawProcess { .. }
+                }
+            );
         };
 
         match paw.watch(callback) {
-            Ok(result) => println!("{:?}", result),
-            Err(error) => println!("{error}"),
+            Ok(result) => assert_matches!(result, PawDone { .. }),
+            Err(error) => panic!("{error}"),
         }
     }
 }