[ADD] DirectionResultTest

app/src/test/java/com/a1/nextlocation/DirectionsResultTest.java

@@ -0,0 +1,50 @@
+package com.a1.nextlocation;
+
+import com.a1.nextlocation.json.DirectionsResult;
+import com.a1.nextlocation.json.DirectionsStep;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+
+public class DirectionsResultTest {
+    private DirectionsResult directionsResult;
+
+    @Before
+    public void init(){
+        directionsResult = new DirectionsResult();
+    }
+
+    @Test
+    public void testDistance(){
+        directionsResult.setDistance(45.32);
+        double expected = 45.32;
+
+        assertEquals(expected, directionsResult.getDistance(), 0.01);
+    }
+
+    @Test
+    public void testDuration(){
+        directionsResult.setDuration(95.123);
+        double expected = 95.123;
+
+        assertEquals(expected, directionsResult.getDuration(), 0.01);
+    }
+
+    @Test
+    public void testSteps(){
+        List<DirectionsStep> expected = new ArrayList<>();
+        directionsResult.addStep(new DirectionsStep());
+        directionsResult.addStep(new DirectionsStep());
+        directionsResult.addStep(new DirectionsStep());
+        directionsResult.setSteps(expected);
+
+        assertEquals(expected, directionsResult.getSteps());
+    }
+
+
+}