diff --git a/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/ThermostatControllerTests.java b/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/ThermostatControllerTests.java
index db66ddd..2f23934 100644
--- a/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/ThermostatControllerTests.java
+++ b/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/ThermostatControllerTests.java
@@ -1,6 +1,7 @@
 package ch.usi.inf.sa4.sanmarinoes.smarthut.controller;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.ArgumentMatchers.eq;
@@ -8,16 +9,20 @@ import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.when;
 
 import ch.usi.inf.sa4.sanmarinoes.smarthut.dto.ThermostatSaveRequest;
+import ch.usi.inf.sa4.sanmarinoes.smarthut.error.DuplicateStateException;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.error.NotFoundException;
+import ch.usi.inf.sa4.sanmarinoes.smarthut.models.Scene;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.models.SceneRepository;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.models.State;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.models.StateRepository;
+import ch.usi.inf.sa4.sanmarinoes.smarthut.models.SwitchableState;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.models.Thermostat;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.models.ThermostatRepository;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.service.DeviceService;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.service.ThermostatPopulationService;
 import java.math.BigDecimal;
 import java.security.Principal;
+import java.util.Optional;
 import lombok.SneakyThrows;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
@@ -128,4 +133,37 @@ public class ThermostatControllerTests {
 
         Assertions.assertDoesNotThrow(() -> thermostatController.deleteById(42L, mockPrincipal));
     }
+
+    @Test
+    public void testSceneBinding() {
+        Thermostat thermostat = new Thermostat();
+        when(thermostatRepository.findByIdAndUsername(24L, "user"))
+                .thenReturn(Optional.of(thermostat));
+        Scene scene = new Scene();
+        scene.setId(1L);
+        SwitchableState state = new SwitchableState();
+        state.setSceneId(1L);
+        State s = thermostat.cloneState();
+        when(sceneRepository.findById(1L)).thenReturn(Optional.of(scene));
+        when(stateRepository.countByDeviceIdAndSceneId(24L, 1L)).thenReturn(0);
+        Assertions.assertDoesNotThrow(
+                () -> thermostatController.sceneBinding(24L, 1L, mockPrincipal));
+    }
+
+    @Test
+    public void testSceneBinding2() {
+        when(mockPrincipal.getName()).thenReturn("user");
+        Thermostat thermostat = new Thermostat();
+        when(thermostatRepository.findByIdAndUsername(24L, "user"))
+                .thenReturn(Optional.of(thermostat));
+        Scene scene = new Scene();
+        scene.setId(1L);
+        SwitchableState state = new SwitchableState();
+        state.setSceneId(1L);
+        State s = thermostat.cloneState();
+        when(sceneRepository.findById(1L)).thenReturn(Optional.of(scene));
+        when(stateRepository.countByDeviceIdAndSceneId(24L, 1L)).thenReturn(2);
+        assertThatThrownBy(() -> thermostatController.sceneBinding(24L, 1L, mockPrincipal))
+                .isInstanceOf(DuplicateStateException.class);
+    }
 }