diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/JWTTokenUtils.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/JWTTokenUtils.java
index 78e5e5e..0457a51 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/JWTTokenUtils.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/JWTTokenUtils.java
@@ -6,6 +6,7 @@ import io.jsonwebtoken.SignatureAlgorithm;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.function.Function;
+import lombok.Setter;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.stereotype.Component;
@@ -18,6 +19,7 @@ public class JWTTokenUtils {
 
     /** The secret key used to encrypt all JWTs */
     @Value("${jwt.secret}")
+    @Setter
     private String secret;
 
     /**
diff --git a/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/JWTTokenUtilsTests.java b/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/JWTTokenUtilsTests.java
new file mode 100644
index 0000000..0f2a6da
--- /dev/null
+++ b/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/config/JWTTokenUtilsTests.java
@@ -0,0 +1,36 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.config;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+import static org.mockito.Mockito.when;
+
+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.UserDetails;
+
+@ExtendWith({MockitoExtension.class})
+public class JWTTokenUtilsTests {
+    @InjectMocks private JWTTokenUtils utils;
+
+    @Mock private UserDetails userDetails;
+
+    @Test
+    public void testGenerateToken() {
+        utils.setSecret(
+                "One, seven, three, four, six, seven\n"
+                        + "Three, two, one, four, seven, six, charlie, three\n"
+                        + "Two, seven, eight, nine, seven, seven, seven\n"
+                        + "Six, four, three, tango, seven, three, two, victor, seven\n"
+                        + "Three, one, one, seven, eight, eight, eight, seven, three\n"
+                        + "Two, four, seven, six, seven, eight, nine\n"
+                        + "Seven, six, four, three, seven, six\n"
+                        + "Lock");
+        when(userDetails.getUsername()).thenReturn("username");
+        String token = utils.generateToken(userDetails);
+        assertThat(token).isNotNull();
+        assertThat(utils.validateToken(token, userDetails)).isTrue();
+        assertThat(utils.getUsernameFromToken(token)).isEqualTo("username");
+    }
+}