Created UltraSonicSensor Test

Author: j-heitz

pi4micronaut-utils/src/test/java/com/opensourcewithslu/inputdevices/UltraSonicSensorHelperTest.java

@@ -5,25 +5,67 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.mockito.Mockito;
+import org.slf4j.Logger;
+
+import java.lang.reflect.Method;
+
 
 import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.Mockito.*;
 
+
 class UltraSonicSensorHelperTest {
 
     private DigitalOutput mockTriggerPin;
     private DigitalInput mockEchoPin;
     private UltraSonicSensorHelper sensorHelper;
 
+    Logger log = mock(Logger.class);
+
     @BeforeEach
     void setUp() {
-        // Create "fake" pins using Mockito
         mockTriggerPin = Mockito.mock(DigitalOutput.class);
         mockEchoPin = Mockito.mock(DigitalInput.class);
 
-        // Pass them into the helper
         sensorHelper = new UltraSonicSensorHelper(mockTriggerPin, mockEchoPin);
     }
 
     @Test
+    void testInitialization() {
+        verify(mockTriggerPin).low();
+        assertEquals(0.0, sensorHelper.getDistanceInCentimeter());
+    }
+
+    @Test
+    void testStartMeasuring() throws InterruptedException {
+        sensorHelper.stopMeasuring();
+        sensorHelper.startMeasuring();
+
+        assertDoesNotThrow(sensorHelper::startMeasuring);
+    }
+
+    @Test
+    void testTriggerAndMeasureDistance() throws Exception {
+        Method method = UltraSonicSensorHelper.class.getDeclaredMethod("triggerAndMeasureDistance");
+        method.setAccessible(true);
+
+        when(mockTriggerPin.isHigh()).thenReturn(true);
+        when(mockEchoPin.isHigh()).thenReturn(true).thenReturn(false);
+
+        method.invoke(sensorHelper);
+
+        assertTrue(sensorHelper.getDistanceInCentimeter() >= 0);
+    }
+
+    @Test
+    void testCalculateDistance() {}
+
+    @Test
+    void testgetDistanceInCentemeter() {}
+
+    @Test
+    void testgetDistanceInMeters() {}
+
+    @Test
+    void stopMeasuring() {}
 }