Test: export and import tracks via KML and GPX.

KML now exports track icon (name; not the url).

src/androidTest/java/de/dennisguse/opentracks/content/CustomContentProviderUtilsTest.java

@@ -827,7 +827,7 @@ public class CustomContentProviderUtilsTest {
      * @param numPoints the location number in the track
      * @return the simulated track
      */
-    private Track getTrack(long id, int numPoints) {
+    public static Track getTrack(long id, int numPoints) {
         Track track = new Track();
         track.setId(id);
         track.setName("Test: " + id);
@@ -844,7 +844,7 @@ public class CustomContentProviderUtilsTest {
      * @param i the index to set the value of location.
      * @return created location
      */
-    private Location createLocation(int i) {
+    private static Location createLocation(int i) {
         Location loc = new Location("test");
         loc.setLatitude(INITIAL_LATITUDE + (double) i / 10000.0);
         loc.setLongitude(INITIAL_LONGITUDE - (double) i / 10000.0);

src/androidTest/java/de/dennisguse/opentracks/io/file/importer/ExportImportTest.java

@@ -0,0 +1,122 @@
+package de.dennisguse.opentracks.io.file.importer;
+
+import android.content.Context;
+import android.location.Location;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+
+import de.dennisguse.opentracks.content.ContentProviderUtils;
+import de.dennisguse.opentracks.content.CustomContentProviderUtilsTest;
+import de.dennisguse.opentracks.content.data.Track;
+import de.dennisguse.opentracks.io.file.TrackFileFormat;
+import de.dennisguse.opentracks.io.file.exporter.TrackExporter;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+@RunWith(JUnit4.class)
+public class ExportImportTest {
+
+    private Context context = ApplicationProvider.getApplicationContext();
+
+    private ContentProviderUtils contentProviderUtils = new ContentProviderUtils(context);
+
+    private static final String TRACK_ICON = "the track icon";
+    private static final String TRACK_CATEGORY = "the category";
+    private static final String TRACK_DESCRIPTION = "the description";
+    private long exportTrackId = System.currentTimeMillis();
+    private long importTrackId;
+
+    @Before
+    public void setUp() {
+        Track track = CustomContentProviderUtilsTest.getTrack(exportTrackId, 150);
+        track.setIcon(TRACK_ICON);
+        track.setCategory(TRACK_CATEGORY);
+        track.setDescription(TRACK_DESCRIPTION);
+        contentProviderUtils.insertTrack(track);
+        contentProviderUtils.bulkInsertTrackPoint(track.getLocations().toArray(new Location[0]), track.getLocations().size(), track.getId());
+    }
+
+    @After
+    public void tearDown() {
+        contentProviderUtils.deleteTrack(context, exportTrackId);
+        contentProviderUtils.deleteTrack(context, importTrackId);
+    }
+
+    @Test
+    public void kml_with_trackdetail() {
+        // given
+        Track track = contentProviderUtils.getTrack(exportTrackId);
+
+        TrackFileFormat trackFileFormat = TrackFileFormat.KML_WITH_TRACKDETAIL;
+        TrackExporter trackExporter = trackFileFormat.newTrackExporter(context, new Track[]{track}, null);
+
+        // when
+
+        // 1. export
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        trackExporter.writeTrack(context, outputStream);
+
+        // 2. import
+        InputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
+        AbstractFileTrackImporter trackImporter = new KmlFileTrackImporter(context, -1L);
+        importTrackId = trackImporter.importFile(inputStream);
+
+        // then
+        Track trackImported = contentProviderUtils.getTrack(importTrackId);
+        assertNotNull(trackImported);
+        assertEquals(track.getLocations(), trackImported.getLocations());
+        assertEquals(track.getCategory(), trackImported.getCategory());
+        assertEquals(track.getDescription(), trackImported.getDescription());
+        assertEquals(track.getName(), trackImported.getName());
+        assertEquals(track.getIcon(), trackImported.getIcon());
+
+        //TODO Check (relative/absolute) time of trackpoints
+        //TODO Check marker/waypoints
+        //TODO Check tripstatistics
+    }
+
+    @Test
+    public void gpx() {
+        // given
+        Track track = contentProviderUtils.getTrack(exportTrackId);
+
+        TrackFileFormat trackFileFormat = TrackFileFormat.GPX;
+        TrackExporter trackExporter = trackFileFormat.newTrackExporter(context, new Track[]{track}, null);
+
+        // when
+
+        // 1. export
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        trackExporter.writeTrack(context, outputStream);
+
+        // 2. import
+        InputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
+        AbstractFileTrackImporter trackImporter = new GpxFileTrackImporter(context, contentProviderUtils);
+        importTrackId = trackImporter.importFile(inputStream);
+
+        // then
+        Track trackImported = contentProviderUtils.getTrack(importTrackId);
+        assertNotNull(trackImported);
+        assertEquals(track.getLocations(), trackImported.getLocations());
+        assertEquals(track.getCategory(), trackImported.getCategory());
+        assertEquals(track.getDescription(), trackImported.getDescription());
+        assertEquals(track.getName(), trackImported.getName());
+
+        //TODO exporting and importing a track icon is not yet supported by GpxTrackWriter.
+        //assertEquals(track.getIcon(), trackImported.getIcon());
+        //TODO Check (relative/absolute) time of trackpoints
+        //TODO Check marker/waypoints
+        //TODO Check tripstatistics
+    }
+}