merge heads

MyTracks/src/com/google/android/apps/mytracks/io/sendtogoogle/SendToGoogleUtils.java

@@ -19,6 +19,7 @@ package com.google.android.apps.mytracks.io.sendtogoogle;
 import com.google.android.apps.mytracks.content.Track;
 import com.google.android.apps.mytracks.stats.TripStatistics;
 import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.common.annotations.VisibleForTesting;
 
 import android.location.Location;
 import android.util.Log;
@@ -109,11 +110,12 @@ public class SendToGoogleUtils {
    * @param segment the track segment
    * @param splitTracks an array of track segments
    */
-  private static void prepareTrackSegment(Track segment, ArrayList<Track> splitTracks) {
+  @VisibleForTesting
+  static boolean prepareTrackSegment(Track segment, ArrayList<Track> splitTracks) {
     // Make sure the segment has at least 2 points
     if (segment.getLocations().size() < 2) {
       Log.d(TAG, "segment has less than 2 points");
-      return;
+      return false;
     }
 
     // For a new segment, sets it stop time
@@ -128,5 +130,6 @@ public class SendToGoogleUtils {
     LocationUtils.decimate(segment, 2.0);
 
     splitTracks.add(segment);
+    return true;
   }
 }

MyTracksTest/src/com/google/android/apps/mytracks/TrackStubUtils.java

@@ -31,9 +31,9 @@ import android.location.Location;
 public class TrackStubUtils {
 
   static final String LOCATION_PROVIDER = "gps";
-  static final double INITIAL_LATITUDE = 22;
-  static final double INITIAL_LONGITUDE = 22;
-  static final double INITIAL_ALTITUDE = 22;
+  public static final double INITIAL_LATITUDE = 22;
+  public static final double INITIAL_LONGITUDE = 22;
+  public static final double INITIAL_ALTITUDE = 22;
   static final float INITIAL_ACCURACY = 5;
   static final float INITIAL_SPEED = 10;
   static final float INITIAL_BEARING = 3.0f;

MyTracksTest/src/com/google/android/apps/mytracks/io/sendtogoogle/SendToGoogleUtilsTest.java

@@ -0,0 +1,140 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.sendtogoogle;
+
+/**
+ * Tests the {@link SendToGoogleUtils}.
+ * 
+ * @author Youtao Liu
+ */
+import com.google.android.apps.mytracks.TrackStubUtils;
+import com.google.android.apps.mytracks.content.MyTracksLocation;
+import com.google.android.apps.mytracks.content.Track;
+
+import android.location.Location;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+public class SendToGoogleUtilsTest extends TestCase {
+
+  private final static long TRACK_ID = 1L;
+  private final static String TRACK_CATEGORY = "trackCategory";
+  private final static String TRACK_NAME = "trackName";
+  private final static double DIFFERENCE = 0.02;
+  private final static double INVALID_LATITUDE = 91;
+
+  /**
+   * Tests the method
+   * {@link SendToGoogleUtils#prepareTrackSegment(Track, java.util.ArrayList)}
+   * when there is only one location in a segment.
+   */
+  public void testPrepareTrackSegment_onlyOneLocation() {
+    Track trackStub = TrackStubUtils.createTrack(1);
+    assertFalse(SendToGoogleUtils.prepareTrackSegment(trackStub, null));
+  }
+
+  /**
+   * Tests the method
+   * {@link SendToGoogleUtils#prepareTrackSegment(Track, ArrayList)} when there
+   * is no stop time.
+   */
+  public void testPrepareTrackSegment_noStopTime() {
+    Track trackStub = TrackStubUtils.createTrack(2);
+    assertEquals(-1L, trackStub.getStatistics().getStopTime());
+
+    ArrayList<Track> tracksArray = new ArrayList<Track>();
+    assertTrue(SendToGoogleUtils.prepareTrackSegment(trackStub, tracksArray));
+    assertEquals(trackStub, tracksArray.get(0));
+    // The stop time should be the time of last location
+    assertEquals(trackStub.getLocations().get(1).getTime(), trackStub.getStatistics().getStopTime());
+  }
+
+  /**
+   * Tests the method
+   * {@link SendToGoogleUtils#prepareTrackSegment(Track, java.util.ArrayList)}
+   * when there is stop time.
+   */
+  public void testPrepareTrackSegment_hasStopTime() {
+    Track trackStub = TrackStubUtils.createTrack(2);
+    // Gives a margin to make sure the this time will be not same with the last
+    // location in the track.
+    long stopTime = System.currentTimeMillis() + 1000;
+    trackStub.getStatistics().setStopTime(stopTime);
+
+    ArrayList<Track> tracksArray = new ArrayList<Track>();
+    SendToGoogleUtils.prepareTrackSegment(trackStub, tracksArray);
+    assertEquals(trackStub, tracksArray.get(0));
+    assertEquals(stopTime, trackStub.getStatistics().getStopTime());
+  }
+
+  /**
+   * Tests the method
+   * {@link SendToGoogleUtils#prepareLocations(Track, java.util.List)} .
+   */
+  public void testPrepareLocations() {
+    Track trackStub = TrackStubUtils.createTrack(2);
+    trackStub.setId(TRACK_ID);
+    trackStub.setName(TRACK_NAME);
+    trackStub.setCategory(TRACK_CATEGORY);
+
+    List<Location> locationsArray = new ArrayList<Location>();
+    // Adds 100 location to List.
+    for (int i = 0; i < 100; i++) {
+      // Use this variable as a flag to make all points in the track can be kept
+      // after run the LocationUtils#decimate(Track, double) with
+      // Ramer–Douglas–Peucker algorithm.
+      double latitude = TrackStubUtils.INITIAL_LATITUDE;
+      if (i % 2 == 0) {
+        latitude -= DIFFERENCE * (i % 10);
+      }
+      // Inserts 9 points which have wrong latitude, so would have 10 segments.
+      if (i % 10 == 0 && i > 0) {
+        MyTracksLocation location = TrackStubUtils.createMyTracksLocation();
+        location.setLatitude(INVALID_LATITUDE);
+        locationsArray.add(location);
+      } else {
+        locationsArray.add(TrackStubUtils.createMyTracksLocation(latitude,
+            TrackStubUtils.INITIAL_LONGITUDE + DIFFERENCE * (i % 10),
+            TrackStubUtils.INITIAL_ALTITUDE + DIFFERENCE * (i % 10)));
+      }
+    }
+    ArrayList<Track> result = SendToGoogleUtils.prepareLocations(trackStub, locationsArray);
+    assertEquals(10, result.size());
+    // Checks all segments.
+    for (int i = 0; i < 10; i++) {
+      Track segmentOne = result.get(i);
+      assertEquals(TRACK_ID, segmentOne.getId());
+      assertEquals(TRACK_NAME, segmentOne.getName());
+      assertEquals(TRACK_CATEGORY, segmentOne.getCategory());
+    }
+    // Checks all locations in the first segment.
+    for (int j = 0; j < 9; j++) {
+      double latitude = TrackStubUtils.INITIAL_LATITUDE;
+      if (j % 2 == 0) {
+        latitude -= DIFFERENCE * (j % 10);
+      }
+      Location oneLocation = result.get(0).getLocations().get(j);
+      assertEquals(TrackStubUtils.createMyTracksLocation().getAltitude() + DIFFERENCE * (j % 10),
+          oneLocation.getAltitude());
+      assertEquals(latitude, oneLocation.getLatitude());
+      assertEquals(TrackStubUtils.createMyTracksLocation().getLongitude() + DIFFERENCE * (j % 10),
+          oneLocation.getLongitude());
+    }
+  }
+}