Fixed some code smells

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/BooleanCondition.java

@@ -2,10 +2,12 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
 @Entity
+@EqualsAndHashCode(callSuper = true)
 public class BooleanCondition extends Condition<BooleanTriggerable> {
 
     @Getter

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/ConfirmationToken.java

@@ -17,6 +17,14 @@ public class ConfirmationToken {
     @Column(name = "confirmation_token", unique = true)
     private String confirmToken;
 
+    public Date getCreatedDate() {
+        return new Date(createdDate.getTime());
+    }
+
+    public void setCreatedDate(Date createdDate) {
+        this.createdDate = new Date(createdDate.getTime());
+    }
+
     @Temporal(TemporalType.TIMESTAMP)
     private Date createdDate;
 

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Dimmable.java

@@ -7,10 +7,12 @@ import java.util.Set;
 import javax.persistence.*;
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
 @Entity
+@EqualsAndHashCode(callSuper = true)
 @Inheritance(strategy = InheritanceType.SINGLE_TABLE)
 public class Dimmable extends Switchable implements RangeTriggerable {
 
@@ -70,6 +72,7 @@ public class Dimmable extends Switchable implements RangeTriggerable {
         setIntensity(state.getIntensity());
     }
 
+    @Override
     public State cloneState() {
         final DimmableState newState = new DimmableState();
         newState.setDeviceId(getId());

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Dimmer.java

@@ -5,9 +5,11 @@ import ch.usi.inf.sa4.sanmarinoes.smarthut.config.SocketGsonExclude;
 import java.util.HashSet;
 import java.util.Set;
 import javax.persistence.*;
+import lombok.EqualsAndHashCode;
 
 /** Represents a generic dimmer input device */
 @Entity
+@EqualsAndHashCode(callSuper = true)
 @Inheritance(strategy = InheritanceType.TABLE_PER_CLASS)
 public abstract class Dimmer extends InputDevice implements Connectable<Dimmable> {
     protected Dimmer(String kind) {
@@ -17,6 +19,7 @@ public abstract class Dimmer extends InputDevice implements Connectable<Dimmable
     @ManyToMany(cascade = CascadeType.DETACH)
     @GsonExclude
     @SocketGsonExclude
+    @EqualsAndHashCode.Exclude
     @JoinTable(
             name = "dimmer_dimmable",
             joinColumns = @JoinColumn(name = "dimmer_id"),

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/KnobDimmer.java

@@ -2,12 +2,14 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import lombok.EqualsAndHashCode;
 
 /**
  * Represents a dimmer able to set absolute intensity values (i.e. knowing the absolute intensity
  * value, like a knob)
  */
 @Entity
+@EqualsAndHashCode(callSuper = true)
 public class KnobDimmer extends Dimmer implements RangeTriggerable {
 
     @Column private int intensity = 0;

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/MotionSensor.java

@@ -2,11 +2,13 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
 /** Represents a motion sensor device */
 @Entity
+@EqualsAndHashCode(callSuper = true)
 public class MotionSensor extends InputDevice implements BooleanTriggerable {
 
     @Getter

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/RangeCondition.java

@@ -2,10 +2,12 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
 @Entity
+@EqualsAndHashCode(callSuper = true)
 public class RangeCondition extends Condition<RangeTriggerable> {
 
     public RangeCondition() {

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/RegularLight.java

@@ -2,11 +2,13 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
 /** Represents a standard non-dimmable light */
 @Entity
+@EqualsAndHashCode(callSuper = true)
 public class RegularLight extends Switchable implements BooleanTriggerable {
 
     /** Whether the light is on or not */

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/SecurityCamera.java

@@ -2,8 +2,10 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import lombok.EqualsAndHashCode;
 
 @Entity
+@EqualsAndHashCode(callSuper = true)
 public class SecurityCamera extends Switchable implements BooleanTriggerable {
 
     public SecurityCamera() {

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Sensor.java

@@ -7,9 +7,11 @@ import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.EnumType;
 import javax.persistence.Enumerated;
+import lombok.EqualsAndHashCode;
 
 /** A sensor input device that measures a quantity in a continuous scale (e.g. temperature) */
 @Entity
+@EqualsAndHashCode(callSuper = true)
 public class Sensor extends InputDevice implements RangeTriggerable {
 
     public static final Map<SensorType, BigDecimal> TYPICAL_VALUES =

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/SmartPlug.java

@@ -3,9 +3,11 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 import java.math.BigDecimal;
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import lombok.EqualsAndHashCode;
 
 /** A smart plug that can be turned either on or off */
 @Entity
+@EqualsAndHashCode(callSuper = true)
 public class SmartPlug extends Switchable implements BooleanTriggerable {
 
     /** The average consumption of an active plug when on in Watt */

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Switch.java

@@ -5,9 +5,11 @@ import ch.usi.inf.sa4.sanmarinoes.smarthut.config.SocketGsonExclude;
 import java.util.HashSet;
 import java.util.Set;
 import javax.persistence.*;
+import lombok.EqualsAndHashCode;
 
 /** A switch input device */
 @Entity
+@EqualsAndHashCode(callSuper = true)
 public class Switch extends InputDevice implements BooleanTriggerable, Connectable<Switchable> {
 
     @ManyToMany(

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Switchable.java

@@ -5,9 +5,11 @@ import ch.usi.inf.sa4.sanmarinoes.smarthut.config.SocketGsonExclude;
 import java.util.HashSet;
 import java.util.Set;
 import javax.persistence.*;
+import lombok.EqualsAndHashCode;
 
 /** A device that can be turned either on or off */
 @Entity
+@EqualsAndHashCode(callSuper = true)
 @Inheritance(strategy = InheritanceType.JOINED)
 public abstract class Switchable extends OutputDevice {
 

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Thermostat.java

@@ -5,9 +5,11 @@ import java.math.BigDecimal;
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.Transient;
+import lombok.EqualsAndHashCode;
 
 /** A thermostat capable of controlling cooling and heating. */
 @Entity
+@EqualsAndHashCode(callSuper = true)
 public class Thermostat extends Switchable implements BooleanTriggerable {
 
     @Override

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/ThermostatCondition.java

@@ -3,8 +3,10 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 import com.google.gson.annotations.SerializedName;
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import lombok.EqualsAndHashCode;
 
 @Entity
+@EqualsAndHashCode(callSuper = true)
 public class ThermostatCondition extends Condition<Thermostat> {
 
     public ThermostatCondition() {

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/service/DeviceService.java

@@ -66,7 +66,7 @@ public class DeviceService {
                         a -> {
                             final List<Condition<?>> conditions =
                                     conditionRepository.findAllByAutomationId(a.getId());
-                            if (conditions.size() == 0) return true;
+                            if (conditions.isEmpty()) return true;
                             return conditions.stream().allMatch(Condition::triggered);
                         })
                 .map(Automation::getScenes)

src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/AutomationControllerTests.java

@@ -15,6 +15,7 @@ import ch.usi.inf.sa4.sanmarinoes.smarthut.models.*;
 import java.security.Principal;
 import java.util.List;
 import java.util.Optional;
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.InjectMocks;
@@ -186,6 +187,6 @@ public class AutomationControllerTests {
         old.setId(42L);
         old.setName("Old Name");
         doNothing().when(automationRepository).deleteById(42L);
-        automationController.delete(42L);
+        Assertions.assertDoesNotThrow(() -> automationController.delete(42L));
     }
 }

src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/SceneControllerTests.java

@@ -12,6 +12,7 @@ import ch.usi.inf.sa4.sanmarinoes.smarthut.models.*;
 import java.security.Principal;
 import java.util.List;
 import java.util.Optional;
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.InjectMocks;
@@ -93,6 +94,6 @@ public class SceneControllerTests {
     public void testDelete() {
         doNothing().when(stateStateRepository).deleteAllBySceneId(42L);
         doNothing().when(sceneRepository).deleteById(42L);
-        sceneController.deleteById(42L);
+        Assertions.assertDoesNotThrow(() -> sceneController.deleteById(42L));
     }
 }

src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/SmartPlugControllerTests.java

@@ -14,6 +14,7 @@ import ch.usi.inf.sa4.sanmarinoes.smarthut.models.*;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.service.DeviceService;
 import java.security.Principal;
 import java.util.Optional;
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.InjectMocks;
@@ -88,6 +89,6 @@ public class SmartPlugControllerTests {
     public void testDelete() throws NotFoundException {
         when(mockPrincipal.getName()).thenReturn("user");
         doNothing().when(deviceService).deleteByIdAsOwner(42L, "user");
-        smartPlugController.deleteById(42L, mockPrincipal);
+        Assertions.assertDoesNotThrow(() -> smartPlugController.deleteById(42L, mockPrincipal));
     }
 }

src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/error/ExceptionTests.java

@@ -12,7 +12,7 @@ public class ExceptionTests {
         try {
             throw new BadDataException("message");
         } catch (BadDataException e) {
-            assertEquals(e.getMessage(), "message");
+            assertEquals("message", e.getMessage());
         }
     }
 
@@ -21,7 +21,7 @@ public class ExceptionTests {
         try {
             throw new DuplicateRegistrationException();
         } catch (DuplicateRegistrationException e) {
-            assertEquals(e.getMessage(), "Email or username already belonging to another user");
+            assertEquals("Email or username already belonging to another user", e.getMessage());
         }
     }
 
@@ -31,8 +31,8 @@ public class ExceptionTests {
             throw new DuplicateStateException();
         } catch (DuplicateStateException e) {
             assertEquals(
-                    e.getMessage(),
+                    "Cannot create state since it has already been created for this scene and this device",
-                    "Cannot create state since it has already been created for this scene and this device");
+                    e.getMessage());
         }
     }
 
@@ -41,7 +41,7 @@ public class ExceptionTests {
         try {
             throw new EmailTokenNotFoundException();
         } catch (EmailTokenNotFoundException e) {
-            assertEquals(e.getMessage(), "Email verification token not found in DB");
+            assertEquals("Email verification token not found in DB", e.getMessage());
         }
     }
 
@@ -50,13 +50,13 @@ public class ExceptionTests {
         try {
             throw new NotFoundException();
         } catch (NotFoundException e) {
-            assertEquals(e.getMessage(), "Not found");
+            assertEquals("Not found", e.getMessage());
         }
 
         try {
             throw new NotFoundException("message");
         } catch (NotFoundException e) {
-            assertEquals(e.getMessage(), "message not found");
+            assertEquals("message not found", e.getMessage());
         }
     }
 
@@ -65,7 +65,7 @@ public class ExceptionTests {
         try {
             throw new UserNotFoundException();
         } catch (UserNotFoundException e) {
-            assertEquals(e.getMessage(), "No user found with given email");
+            assertEquals("No user found with given email", e.getMessage());
         }
     }
 }

src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/service/DeviceServiceTests.java

@@ -8,6 +8,7 @@ import ch.usi.inf.sa4.sanmarinoes.smarthut.error.NotFoundException;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.models.*;
 import java.util.List;
 import java.util.Optional;
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.InjectMocks;
@@ -151,7 +152,7 @@ public class DeviceServiceTests {
     @Test
     public void populateComputedFields() {
         doNothing().when(devicePopulationService).populateComputedFields(List.of());
-        deviceService.populateComputedFields(List.of());
+        Assertions.assertDoesNotThrow(() -> deviceService.populateComputedFields(List.of()));
     }
 
     @Test