diff --git a/src/cleanup_modules/device_cleanup.rs b/src/cleanup_modules/device_cleanup.rs
index cb986c0..64110bb 100644
--- a/src/cleanup_modules/device_cleanup.rs
+++ b/src/cleanup_modules/device_cleanup.rs
@@ -224,3 +224,21 @@ fn is_of_interest(device: &Device) -> bool {
 
     candidate_iter(strings)
 }
+
+#[tokio::test]
+async fn test_init() {
+    let mut module = DeviceCleanupModule::new();
+    let state = State {
+        dry_run: true,
+        interactive: false,
+        use_cache: true,
+        allow_updates: false,
+        current_path: Default::default(),
+    };
+    module.initialize(&state).await.unwrap();
+    module.get_objects_to_uninstall().iter().for_each(|d| {
+        regex_cache::cached_match(Some(""), d.device_desc.as_deref());
+        regex_cache::cached_match(Some(""), d.manufacturer.as_deref());
+        regex_cache::cached_match(Some(""), d.hardware_id.as_deref());
+    });
+}
diff --git a/src/cleanup_modules/driver_cleanup.rs b/src/cleanup_modules/driver_cleanup.rs
index a184a38..fb0d58c 100644
--- a/src/cleanup_modules/driver_cleanup.rs
+++ b/src/cleanup_modules/driver_cleanup.rs
@@ -186,3 +186,20 @@ fn is_of_interest(driver: &Driver) -> bool {
     let strings = [driver.inf_original_name(), driver.provider()];
     candidate_iter(strings.into_iter().flatten())
 }
+
+#[tokio::test]
+async fn test_init() {
+    let mut module = DriverCleanupModule::new();
+    let state = State {
+        dry_run: true,
+        interactive: false,
+        use_cache: true,
+        allow_updates: false,
+        current_path: Default::default(),
+    };
+    module.initialize(&state).await.unwrap();
+    module.get_objects_to_uninstall().iter().for_each(|d| {
+        regex_cache::cached_match(Some(""), d.original_name.as_deref());
+        regex_cache::cached_match(Some(""), d.provider.as_deref());
+    });
+}
diff --git a/src/cleanup_modules/driver_package_cleanup.rs b/src/cleanup_modules/driver_package_cleanup.rs
index e2f5844..ebb2d62 100644
--- a/src/cleanup_modules/driver_package_cleanup.rs
+++ b/src/cleanup_modules/driver_package_cleanup.rs
@@ -412,3 +412,21 @@ fn to_command(command: &str) -> std::process::Command {
 
     command
 }
+
+#[tokio::test]
+async fn test_init() {
+    let mut module = DriverPackageCleanupModule::new();
+    let state = State {
+        dry_run: true,
+        interactive: false,
+        use_cache: true,
+        allow_updates: false,
+        current_path: Default::default(),
+    };
+    module.initialize(&state).await.unwrap();
+    module.get_objects_to_uninstall().iter().for_each(|d| {
+        regex_cache::cached_match(Some(""), d.display_name.as_deref());
+        regex_cache::cached_match(Some(""), d.display_version.as_deref());
+        regex_cache::cached_match(Some(""), d.publisher.as_deref());
+    });
+}