diff --git a/lab3/src/test/java/ru/spbstu/telematics/java/SensorTests.java b/lab3/src/test/java/ru/spbstu/telematics/java/SensorTests.java
new file mode 100644
index 0000000..ee65e45
--- /dev/null
+++ b/lab3/src/test/java/ru/spbstu/telematics/java/SensorTests.java
@@ -0,0 +1,54 @@
+package ru.spbstu.telematics.java;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+
+public class SensorTests {
+    /* 
+     * Моковый класс комнаты для упрощения тестирования сенсоров.
+     */
+    private class MockRoom extends Room {
+        double temperature;
+        double humidity;
+
+        public MockRoom(double temperature, double humidity) {
+			this.temperature = temperature;
+			this.humidity = humidity;
+		}
+
+		@Override
+        public double getTemperature() {
+            return temperature;
+        }
+
+        @Override
+        public double getHumidity() {
+            return humidity;
+        }
+    }
+
+    /* 
+     * Проверяет, что сенсоры выдают реальную температуру и влажность комнаты в пределах 
+     * некоторой погрешности.
+     */
+    @Test
+    public void testSensor() throws InterruptedException {
+        double initialTemperature = 30.0;
+        double initialHumidity = 0.8;
+        Room room = new MockRoom(initialTemperature, initialHumidity);
+
+        Sensor sensor = new Sensor(room);
+        Thread thread = new Thread(sensor);
+        thread.start();
+        
+        for (int i = 0; i < 10; i++) {
+            Thread.sleep(1000);
+            assertTrue(Math.abs(initialTemperature - sensor.getTemperature()) <= 1);
+            assertTrue(Math.abs(initialHumidity - sensor.getHumidity()) <= 0.05);
+        }
+
+        thread.interrupt();
+        thread.join();
+    }
+}