1 files changed, 64 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/location/CompassEngineTest.java b/platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/location/CompassEngineTest.java
new file mode 100644
index 0000000000..bc64379263
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/location/CompassEngineTest.java
@@ -0,0 +1,64 @@
+package com.mapbox.mapboxsdk.location;
+
+import android.hardware.Sensor;
+import android.hardware.SensorManager;
+import android.view.WindowManager;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+
+import static junit.framework.Assert.assertEquals;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class CompassEngineTest {
+
+  private LocationComponentCompassEngine compassEngine;
+
+  @Mock
+  private WindowManager windowManager;
+
+  @Mock
+  private SensorManager sensorManager;
+
+  @Before
+  public void setUp() throws Exception {
+    compassEngine = new LocationComponentCompassEngine(windowManager, sensorManager);
+  }
+
+  @Test
+  public void lastKnownCompassBearingAccuracyDefault() {
+    assertEquals("Last accuracy should match", compassEngine.getLastAccuracySensorStatus(), 0);
+  }
+
+  @Test
+  public void lastKnownCompassAccuracyStatusValue() {
+    Sensor sensor = mock(Sensor.class);
+    compassEngine.onAccuracyChanged(sensor, 2);
+    assertEquals("Last accuracy should match", compassEngine.getLastAccuracySensorStatus(), 2);
+  }
+
+  @Test
+  public void whenGyroscopeIsNull_fallbackToGravity() {
+    SensorManager sensorManager = mock(SensorManager.class);
+    when(sensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE)).thenReturn(null);
+    new LocationComponentCompassEngine(windowManager, sensorManager);
+
+    verify(sensorManager, times(1)).getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
+  }
+
+  @Test
+  public void whenGyroscopeIsNull_fallbackToMagneticField() {
+    SensorManager sensorManager = mock(SensorManager.class);
+    when(sensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE)).thenReturn(null);
+    new LocationComponentCompassEngine(windowManager, sensorManager);
+
+    verify(sensorManager, times(1)).getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
+  }
+}