improve validate and tests

internal/domains/sensors/domain.go

@@ -2,6 +2,7 @@ package sensors
 
 import (
 	"errors"
+	"slices"
 	"time"
 )
 
@@ -13,6 +14,12 @@ func (s *Sensor) Validate() error {
 		return ErrInvalidSensorType
 	}
 
+	validTypes := []SType{Temperature, Humidity, CarbonDioxide, Pressure, Proximity, Light}
+	isValid := slices.Contains(validTypes, s.SensorType)
+	if !isValid {
+		return ErrInvalidSensorType
+	}
+
 	if s.SamplingInterval == nil {
 		defaultInterval := time.Second * 3600
 		s.SamplingInterval = &defaultInterval