diff --git a/src/identity/application/services/update_password/command.rs b/src/identity/application/services/update_password/command.rs
index 5212806..012f9a2 100644
--- a/src/identity/application/services/update_password/command.rs
+++ b/src/identity/application/services/update_password/command.rs
@@ -37,6 +37,14 @@ impl UpdatePasswordCommand {
 mod tests {
     use super::*;
 
+    impl UpdatePasswordCommand {
+        pub fn get_cmd() -> Self {
+            Self {
+                hashed_new_passowrd: "foo".into(),
+            }
+        }
+    }
+
     #[test]
     fn test_cmd() {
         let config = argon2_creds::Config::default();
diff --git a/src/identity/application/services/update_password/events.rs b/src/identity/application/services/update_password/events.rs
index dc0662d..13aa3de 100644
--- a/src/identity/application/services/update_password/events.rs
+++ b/src/identity/application/services/update_password/events.rs
@@ -15,3 +15,19 @@ impl PasswordUpdatedEvent {
         Self { hashed_password }
     }
 }
+
+// events
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    use crate::identity::application::services::update_password::command::UpdatePasswordCommand;
+
+    impl PasswordUpdatedEvent {
+        pub fn get_event(cmd: &UpdatePasswordCommand) -> Self {
+            Self {
+                hashed_password: cmd.hashed_new_passowrd().clone(),
+            }
+        }
+    }
+}
diff --git a/src/identity/application/services/update_password/mod.rs b/src/identity/application/services/update_password/mod.rs
index 19caa82..5c009fd 100644
--- a/src/identity/application/services/update_password/mod.rs
+++ b/src/identity/application/services/update_password/mod.rs
@@ -1,6 +1,8 @@
 // SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
 //
 // SPDX-License-Identifier: AGPL-3.0-or-later
+use mockall::predicate::*;
+use mockall::*;
 
 pub mod command;
 pub mod events;
@@ -8,6 +10,7 @@ pub mod service;
 
 use super::errors::*;
 
+#[automock]
 #[async_trait::async_trait]
 pub trait UpdatePasswordUseCase: Send + Sync {
     async fn update_password(
diff --git a/src/identity/application/services/update_password/service.rs b/src/identity/application/services/update_password/service.rs
index feee380..f9653e5 100644
--- a/src/identity/application/services/update_password/service.rs
+++ b/src/identity/application/services/update_password/service.rs
@@ -21,6 +21,24 @@ impl UpdatePasswordUseCase for UpdatePasswordService {
 mod tests {
     use super::*;
 
+    impl UpdatePasswordService {
+        pub fn mock_service(
+            times: Option<usize>,
+            cmd: command::UpdatePasswordCommand,
+        ) -> UpdatePasswordServiceObj {
+            let mut m = MockUpdatePasswordUseCase::default();
+            let res = events::PasswordUpdatedEvent::get_event(&cmd);
+
+            if let Some(times) = times {
+                m.expect_update_password().times(times).return_const(res);
+            } else {
+                m.expect_update_password().return_const(res);
+            }
+
+            std::sync::Arc::new(m)
+        }
+    }
+
     #[actix_rt::test]
     async fn test_service() {
         let username = "realaravinth";