diff --git a/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/CameraConfigurationServiceTests.java b/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/CameraConfigurationServiceTests.java
new file mode 100644
index 0000000..69d95dc
--- /dev/null
+++ b/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/CameraConfigurationServiceTests.java
@@ -0,0 +1,15 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.config;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.Test;
+
+public class CameraConfigurationServiceTests {
+
+    @Test
+    public void test() {
+        final CameraConfigurationService c = new CameraConfigurationService();
+        c.setVideoUrl("cose");
+        assertThat(c.getVideoUrl()).isEqualTo("cose");
+    }
+}
diff --git a/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/InputDeviceTests.java b/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/InputDeviceTests.java
new file mode 100644
index 0000000..269a051
--- /dev/null
+++ b/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/InputDeviceTests.java
@@ -0,0 +1,14 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.Test;
+
+public class InputDeviceTests {
+
+    @Test
+    public void test() {
+        final InputDevice motionSensor = new MotionSensor();
+        assertThat(motionSensor.getOutputs()).isEmpty();
+    }
+}
diff --git a/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/service/JWTUserDetailsServiceTests.java b/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/service/JWTUserDetailsServiceTests.java
new file mode 100644
index 0000000..684c241
--- /dev/null
+++ b/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/service/JWTUserDetailsServiceTests.java
@@ -0,0 +1,34 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.service;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.mockito.Mockito.when;
+
+import ch.usi.inf.sa4.sanmarinoes.smarthut.models.User;
+import ch.usi.inf.sa4.sanmarinoes.smarthut.models.UserRepository;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
+
+@ExtendWith({MockitoExtension.class})
+public class JWTUserDetailsServiceTests {
+
+    @InjectMocks private JWTUserDetailsService jwtUserDetailsService;
+
+    @Mock private UserRepository userRepository;
+
+    @Test
+    public void testLoadByUsername() {
+        final User u = new User();
+        u.setUsername("username");
+        u.setPassword("password");
+        when(userRepository.findByUsername("username")).thenReturn(u);
+        assertThatThrownBy(() -> jwtUserDetailsService.loadUserByUsername("username"))
+                .isInstanceOf(UsernameNotFoundException.class);
+        u.setEnabled(true);
+        assertThat(jwtUserDetailsService.loadUserByUsername("username")).isNotNull();
+    }
+}