diff --git a/app/src/test/java/info/nightscout/androidaps/db/BgReadingTest.java b/app/src/test/java/info/nightscout/androidaps/db/BgReadingTest.java
new file mode 100644
index 0000000000..3467205fba
--- /dev/null
+++ b/app/src/test/java/info/nightscout/androidaps/db/BgReadingTest.java
@@ -0,0 +1,71 @@
+package info.nightscout.androidaps.db;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+import java.util.logging.Logger;
+
+import info.AAPSMocker;
+import info.nightscout.androidaps.Constants;
+import info.nightscout.androidaps.MainApp;
+import info.nightscout.androidaps.logging.L;
+import info.nightscout.androidaps.plugins.iob.iobCobCalculator.GlucoseStatus;
+import info.nightscout.androidaps.utils.SP;
+
+import static org.junit.Assert.*;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest({MainApp.class, Logger.class, L.class, SP.class})
+public class BgReadingTest {
+    private BgReading bgReading = new BgReading();
+    @Mock
+    GlucoseStatus glucoseStatus;
+
+    @Test
+    public void valueToUnits() {
+        bgReading.value = 18;
+        assertEquals(18, bgReading.valueToUnits(Constants.MGDL)*1, 0.01d);
+        assertEquals(1, bgReading.valueToUnits(Constants.MMOL)*1, 0.01d);
+    }
+
+    @Test
+    public void directionToSymbol() {
+        bgReading = new BgReading();
+        bgReading.direction = "DoubleDown";
+        assertEquals("\u21ca", bgReading.directionToSymbol());
+        bgReading.direction = "SingleDown";
+        assertEquals("\u2193", bgReading.directionToSymbol());
+        bgReading.direction = "FortyFiveDown";
+        assertEquals("\u2198", bgReading.directionToSymbol());
+        bgReading.direction = "Flat";
+        assertEquals("\u2192", bgReading.directionToSymbol());
+        bgReading.direction = "FortyFiveUp";
+        assertEquals("\u2197", bgReading.directionToSymbol());
+        bgReading.direction = "SingleUp";
+        assertEquals("\u2191", bgReading.directionToSymbol());
+        bgReading.direction = "DoubleUp";
+        assertEquals("\u21c8", bgReading.directionToSymbol());
+        bgReading.direction = "OUT OF RANGE";
+        assertEquals("??", bgReading.directionToSymbol());
+
+    }
+
+    @Test
+    public void calculateDirection() throws Exception {
+        assertEquals("??", bgReading.calculateDirection());
+
+
+    }
+
+    @Before
+    public void prepareMock() {
+        AAPSMocker.mockMainApp();
+        AAPSMocker.mockApplicationContext();
+        AAPSMocker.mockSP();
+        AAPSMocker.mockL();
+    }
+}
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