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      1 package com.xtremelabs.robolectric.shadows;
      2 
      3 import android.appwidget.AppWidgetManager;
      4 import android.appwidget.AppWidgetProvider;
      5 import android.content.ComponentName;
      6 import android.content.Context;
      7 import android.content.ContextWrapper;
      8 import android.view.View;
      9 import android.widget.RemoteViews;
     10 import android.widget.TextView;
     11 import com.xtremelabs.robolectric.R;
     12 import com.xtremelabs.robolectric.Robolectric;
     13 import com.xtremelabs.robolectric.WithTestDefaultsRunner;
     14 import org.junit.Before;
     15 import org.junit.Test;
     16 import org.junit.runner.RunWith;
     17 
     18 import static com.xtremelabs.robolectric.Robolectric.shadowOf;
     19 import static org.junit.Assert.*;
     20 
     21 @RunWith(WithTestDefaultsRunner.class)
     22 public class AppWidgetManagerTest {
     23     private AppWidgetManager appWidgetManager;
     24     private ShadowAppWidgetManager shadowAppWidgetManager;
     25 
     26     @Before
     27     public void setUp() throws Exception {
     28         appWidgetManager = AppWidgetManager.getInstance(Robolectric.application);
     29         shadowAppWidgetManager = shadowOf(appWidgetManager);
     30     }
     31 
     32     @Test
     33     public void getInstance_shouldReturnSameInstance() throws Exception {
     34         assertNotNull(appWidgetManager);
     35         assertSame(AppWidgetManager.getInstance(Robolectric.application), appWidgetManager);
     36         assertSame(AppWidgetManager.getInstance(new ContextWrapper(Robolectric.application)), appWidgetManager);
     37     }
     38 
     39     @Test
     40     public void createWidget_shouldInflateViewAndAssignId() throws Exception {
     41         int widgetId = shadowAppWidgetManager.createWidget(SpanishTestAppWidgetProvider.class, R.layout.main);
     42         View widgetView = shadowAppWidgetManager.getViewFor(widgetId);
     43 
     44         assertEquals("Hola", ((TextView) widgetView.findViewById(R.id.subtitle)).getText());
     45     }
     46 
     47     @Test
     48     public void getViewFor_shouldReturnSameViewEveryTimeForGivenWidgetId() throws Exception {
     49         int widgetId = shadowAppWidgetManager.createWidget(SpanishTestAppWidgetProvider.class, R.layout.main);
     50         View widgetView = shadowAppWidgetManager.getViewFor(widgetId);
     51 
     52         assertNotNull(widgetView);
     53         assertSame(widgetView, shadowAppWidgetManager.getViewFor(widgetId));
     54     }
     55 
     56     @Test
     57     public void createWidget_shouldAllowForMultipleInstancesOfWidgets() throws Exception {
     58         int widgetId = shadowAppWidgetManager.createWidget(SpanishTestAppWidgetProvider.class, R.layout.main);
     59         View widgetView = shadowAppWidgetManager.getViewFor(widgetId);
     60 
     61         assertNotSame(widgetId,
     62                 shadowAppWidgetManager.createWidget(SpanishTestAppWidgetProvider.class, R.layout.main));
     63         assertNotSame(widgetView,
     64                 shadowAppWidgetManager.getViewFor(shadowAppWidgetManager.createWidget(SpanishTestAppWidgetProvider.class, R.layout.main)));
     65     }
     66 
     67     @Test
     68     public void shouldReplaceLayoutIfAndOnlyIfLayoutIdIsDifferent() throws Exception {
     69         int widgetId = shadowAppWidgetManager.createWidget(SpanishTestAppWidgetProvider.class, R.layout.main);
     70         View originalWidgetView = shadowAppWidgetManager.getViewFor(widgetId);
     71         assertContains("Main Layout", originalWidgetView);
     72 
     73         appWidgetManager.updateAppWidget(widgetId, new RemoteViews("whatevs", R.layout.main));
     74         assertSame(originalWidgetView, shadowAppWidgetManager.getViewFor(widgetId));
     75 
     76         appWidgetManager.updateAppWidget(widgetId, new RemoteViews("whatevs", R.layout.media));
     77         assertNotSame(originalWidgetView, shadowAppWidgetManager.getViewFor(widgetId));
     78 
     79         View mediaWidgetView = shadowAppWidgetManager.getViewFor(widgetId);
     80         assertContains("Media Layout", mediaWidgetView);
     81     }
     82 
     83     @Test
     84     public void getAppWidgetIds() {
     85         int expectedWidgetId = shadowAppWidgetManager.createWidget(SpanishTestAppWidgetProvider.class, R.layout.main);
     86 
     87         int[] appWidgetIds = appWidgetManager.getAppWidgetIds(
     88                 new ComponentName(
     89                         SpanishTestAppWidgetProvider.class.getPackage().getName(),
     90                         SpanishTestAppWidgetProvider.class.getName()));
     91 
     92         assertEquals(1, appWidgetIds.length);
     93         assertEquals(expectedWidgetId, appWidgetIds[0]);
     94     }
     95 
     96     private void assertContains(String expectedText, View view) {
     97         String actualText = shadowOf(view).innerText();
     98         assertTrue("Expected <" + actualText + "> to contain <" + expectedText + ">", actualText.contains(expectedText));
     99     }
    100 
    101     public static class SpanishTestAppWidgetProvider extends AppWidgetProvider {
    102         @Override public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
    103             RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.main);
    104             remoteViews.setTextViewText(R.id.subtitle, "Hola");
    105             appWidgetManager.updateAppWidget(appWidgetIds, remoteViews);
    106         }
    107     }
    108 }
    109