Add test case for ChartSettingsDialog

MyTracks/src/com/google/android/apps/mytracks/ChartSettingsDialog.java

@@ -17,6 +17,7 @@ package com.google.android.apps.mytracks;
 
 import com.google.android.apps.mytracks.ChartView.Mode;
 import com.google.android.maps.mytracks.R;
+import com.google.common.annotations.VisibleForTesting;
 
 import android.app.Dialog;
 import android.content.Context;
@@ -118,4 +119,9 @@ public class ChartSettingsDialog extends Dialog {
   public void setOnClickListener(OnClickListener clickListener) {
     this.clickListener = clickListener;
   }
-}
+  
+  @VisibleForTesting
+  CheckBox[] getSeries() {
+    return series;
+  }
+}

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

@@ -0,0 +1,82 @@
+/*
+ * 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;
+
+import com.google.android.apps.mytracks.ChartView.Mode;
+import com.google.android.maps.mytracks.R;
+
+import android.test.ActivityInstrumentationTestCase2;
+
+/**
+ * Tests the {@link ChartSettingsDialog}.
+ * 
+ * @author Youtao Liu
+ */
+public class ChartSettingsDialogTest extends ActivityInstrumentationTestCase2<ChartActivity> {
+
+  private ChartSettingsDialog chartSettingsDialog;
+
+  public ChartSettingsDialogTest() {
+    super(ChartActivity.class);
+  }
+
+  @Override
+  protected void setUp() throws Exception {
+    super.setUp();
+    chartSettingsDialog = new ChartSettingsDialog(getActivity());
+    chartSettingsDialog.show();
+  }
+
+  /**
+   * Tests the {@link ChartSettingsDialog#setMode} and check the result by
+   * {@link ChartSettingsDialog#getMode}. Gets all modes of Mode, then set and
+   * get each mode.
+   */
+  public void testSetMode() {
+    Mode[] modes = Mode.values();
+    for (Mode mode : modes) {
+      chartSettingsDialog.setMode(mode);
+      assertEquals(mode, chartSettingsDialog.getMode());
+    }
+  }
+
+  /**
+   * Tests the {@link ChartSettingsDialog#setDisplaySpeed}.
+   */
+  public void testSetDisplaySpeed() {
+    chartSettingsDialog.setDisplaySpeed(true);
+    assertEquals(getActivity().getString(R.string.stat_speed),
+        chartSettingsDialog.getSeries()[ChartView.SPEED_SERIES].getText());
+    chartSettingsDialog.setDisplaySpeed(false);
+    assertEquals(getActivity().getString(R.string.stat_pace),
+        chartSettingsDialog.getSeries()[ChartView.SPEED_SERIES].getText());
+  }
+
+  /**
+   * Tests the {@link ChartSettingsDialog#setSeriesEnabled} and check the result
+   * by {@link ChartSettingsDialog#isSeriesEnabled}.
+   */
+  public void testSetSeriesEnabled() {
+    for (int i = 0; i < ChartView.NUM_SERIES; i++) {
+      chartSettingsDialog.setSeriesEnabled(i, true);
+      assertEquals(true, chartSettingsDialog.getSeries()[i].isChecked());
+      assertEquals(true, chartSettingsDialog.isSeriesEnabled(i));
+      chartSettingsDialog.setSeriesEnabled(i, false);
+      assertEquals(false, chartSettingsDialog.getSeries()[i].isChecked());
+      assertEquals(false, chartSettingsDialog.isSeriesEnabled(i));
+    }
+  }
+}