Implement SpeedFormatter.

src/androidTest/java/de/dennisguse/opentracks/data/models/SpeedFormatterTest.java

@@ -0,0 +1,80 @@
+package de.dennisguse.opentracks.data.models;
+
+import static org.junit.Assert.assertEquals;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class SpeedFormatterTest {
+
+    private final Context context = ApplicationProvider.getApplicationContext();
+
+    @Test
+    public void testGetSpeedParts_pace_metric() {
+        SpeedFormatter formatter = SpeedFormatter.Builder()
+                .setDecimalCount(2)
+                .setMetricUnits(true)
+                .setReportSpeedOrPace(false)
+                .build(context);
+
+        assertEquals("4:59", formatter.getSpeedParts(Speed.of(3.34)).first);
+        assertEquals("5:00", formatter.getSpeedParts(Speed.of(3.33)).first);
+
+        assertEquals("min/km", formatter.getSpeedParts(Speed.zero()).second);
+    }
+
+    @Test
+    public void testGetSpeedParts_pace_imperial() {
+        SpeedFormatter formatter = SpeedFormatter.Builder()
+                .setDecimalCount(2)
+                .setMetricUnits(false)
+                .setReportSpeedOrPace(false)
+                .build(context);
+
+//        assertEquals("TODO", formatter.getSpeedParts(Speed.of(3.34)).first);
+//        assertEquals("TODO", formatter.getSpeedParts(Speed.of(3.33)).first);
+
+        assertEquals("min/mi", formatter.getSpeedParts(Speed.zero()).second);
+    }
+
+    @Test
+    public void testGetSpeedParts_speed_metric() {
+        SpeedFormatter formatter = SpeedFormatter.Builder()
+                .setDecimalCount(2)
+                .setMetricUnits(true)
+                .setReportSpeedOrPace(true)
+                .build(context);
+
+        assertEquals("11.9", formatter.getSpeedParts(Speed.of(3.31)).first);
+        assertEquals("km/h", formatter.getSpeedParts(Speed.zero()).second);
+    }
+
+    @Test
+    public void testGetSpeedParts_speed_imperial() {
+        SpeedFormatter formatter = SpeedFormatter.Builder()
+                .setDecimalCount(2)
+                .setMetricUnits(false)
+                .setReportSpeedOrPace(true)
+                .build(context);
+
+        assertEquals("7.5", formatter.getSpeedParts(Speed.of(3.34)).first);
+        assertEquals("mph", formatter.getSpeedParts(Speed.zero()).second);
+    }
+
+    @Test
+    public void testFormatSpeed() {
+        SpeedFormatter formatter = SpeedFormatter.Builder()
+                .setDecimalCount(2)
+                .setMetricUnits(true)
+                .setReportSpeedOrPace(false)
+                .build(context);
+
+        assertEquals("4:59 min/km", formatter.formatSpeed(Speed.of(3.34)));
+    }
+}

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

@@ -47,7 +47,6 @@ import java.util.TimeZone;
 import java.util.stream.Collectors;
 
 import de.dennisguse.opentracks.LocaleRule;
-import de.dennisguse.opentracks.data.models.Speed;
 
 /**
  * Tests for {@link StringUtils}.
@@ -167,27 +166,6 @@ public class StringUtilsTest {
         assertEquals("1.0", StringUtils.formatDecimal(0.99, 1));
     }
 
-    @Test
-    public void testGetSpeedParts() {
-        assertEquals("4:59", StringUtils.getSpeedParts(context, Speed.of(3.34), true, false).first);
-        assertEquals("5:00", StringUtils.getSpeedParts(context, Speed.of(3.33), true, false).first);
-
-        assertEquals("11.9", StringUtils.getSpeedParts(context, Speed.of(3.31), true, true).first);
-        assertEquals("7.5", StringUtils.getSpeedParts(context, Speed.of(3.34), false, true).first);
-
-        assertEquals("min/km", StringUtils.getSpeedParts(context, Speed.zero(), true, false).second);
-        assertEquals("min/mi", StringUtils.getSpeedParts(context, Speed.zero(), false, false).second);
-    }
-
-    @Test
-    public void testFormatSpeed() {
-        assertEquals("4:59 min/km", StringUtils.formatSpeed(context, Speed.of(3.34), true, false));
-        assertEquals("8:02 min/mi", StringUtils.formatSpeed(context, Speed.of(3.34), false, false));
-
-        assertEquals("12.0 km/h", StringUtils.formatSpeed(context, Speed.of(3.34), true, true));
-        assertEquals("7.5 mph", StringUtils.formatSpeed(context, Speed.of(3.34), false, true));
-    }
-
     @Test
     public void testFormatDateTodayRelative() {
         // given