Announcement: while recording report current interval pace or speed.

Fixes #134.

src/androidTest/java/de/dennisguse/opentracks/util/AnnouncementUtilsTest.java

@@ -9,7 +9,15 @@ import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.util.Arrays;
+import java.util.List;
+
+import de.dennisguse.opentracks.R;
+import de.dennisguse.opentracks.content.data.TestDataUtil;
+import de.dennisguse.opentracks.content.data.Track;
+import de.dennisguse.opentracks.content.data.TrackPoint;
 import de.dennisguse.opentracks.stats.TrackStatistics;
+import de.dennisguse.opentracks.viewmodels.IntervalStatistics;
 
 @RunWith(AndroidJUnit4.class)
 public class AnnouncementUtilsTest {
@@ -26,9 +34,50 @@ public class AnnouncementUtilsTest {
         stats.setTotalElevationGain(6000);
 
         // when
-        String announcement = AnnouncementUtils.getAnnouncement(context, stats, "airplane");
+        String announcement = AnnouncementUtils.getAnnouncement(context, stats, "airplane", null);
 
         // then
         Assert.assertEquals("OpenTracks total distance 20.00 kilometers in 5 minutes 0 seconds at 240.0 kilometers per hour", announcement);
     }
+
+    @Test
+    public void getAnnouncement_withInterval() {
+        TrackStatistics stats = new TrackStatistics();
+        stats.setTotalDistance(20000);
+        stats.setTotalTime(600000);
+        stats.setMovingTime(300000);
+        stats.setMaxSpeed(100);
+        stats.setTotalElevationGain(6000);
+
+        IntervalStatistics intervalStatistics = new IntervalStatistics();
+        List<TrackPoint> trackPoints = Arrays.asList(TestDataUtil.createTrack(new Track.Id(System.currentTimeMillis()), 10).second);
+        intervalStatistics.build(trackPoints, 1000);
+        IntervalStatistics.Interval lastInterval = intervalStatistics.getIntervalList().get(intervalStatistics.getIntervalList().size() - 1);
+
+        int speedId = R.plurals.voiceSpeedKilometersPerHour;
+        double kmPerHour = lastInterval.getSpeed_ms() * UnitConversions.MPS_TO_KMH;
+
+        String firstPartMsg = "OpenTracks total distance 20.00 kilometers in 5 minutes 0 seconds at 240.0 kilometers per hour";
+        String rateMsg = " With a current kilometer speed of " + context.getResources().getQuantityString(speedId, getQuantityCount(kmPerHour), kmPerHour);
+        String msg = firstPartMsg + rateMsg;
+
+        // when
+        String announcement = AnnouncementUtils.getAnnouncement(context, stats, "airplane", lastInterval);
+
+        // then
+        Assert.assertEquals(msg, announcement);
+    }
+
+    private int getQuantityCount(double d) {
+        if (d == 0) {
+            return 0;
+        } else if (d == 1) {
+            return 1;
+        } else if (d == 2) {
+            return 2;
+        } else {
+            int count = (int) d;
+            return Math.max(count, 3);
+        }
+    }
 }