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可以找到一些普通网站所没有的关于ProviderTestCase2的具体实际使用的代码 供参考

 

如:http://www.google.com/codesearch#5Ps-HF4SDBI/PoseTest/src/com/pose/test/ItemContentProviderTests.java&q=ProviderTestCase2&sq=&ct=rc&cd=14

 

View Code
package  com.pose.test;

import  com.pose.models.Item;
import  com.pose.providers. * ;
import  com.pose.service.GSServiceHelper;

import  android.net.Uri;
import  android.os.Handler;
import  android.test.ProviderTestCase2;
import  android.test.mock.MockContentResolver;
import  android.util.Log;
import  android.content.ContentUris;
import  android.content.ContentValues;
import  android.database.ContentObserver;
import  android.database.Cursor;


public   class  ItemContentProviderTests  extends  ProviderTestCase2 < ItemsContentProvider >
{
        
private  MockContentResolver mMockResolver;
        
private  Class < ItemsContentProvider >  mProviderClass;
    
private  ItemsContentProvider mProvider;
    
private  String mProviderAuthority;

        
public  ItemContentProviderTests()
        {
                
super (ItemsContentProvider. class , ItemsContentProvider.AUTHORITY);

                setName(
" ItemsProviderTests " );
        mProviderClass 
=  ItemsContentProvider. class ;
        mProviderAuthority 
=  ItemsContentProvider.AUTHORITY;
        }

        @Override
    
protected   void  setUp()  throws  Exception
    {
         
//  We should not invoke super.setUp() here to avoid the UnsupportedOperationException.
         super .setUp();

                mMockResolver 
=  getMockContentResolver();

        mProvider 
=  mProviderClass.newInstance();
        assertNotNull(mProvider);
        mProvider.attachInfo(getContext(), 
null );
        mMockResolver.addProvider(mProviderAuthority, mProvider);
    }


    @Override
    
public  ItemsContentProvider getProvider()
    {
        
return  mProvider;
    }

    
protected   void  tearDown()  throws  Exception
    {
        
super .tearDown();
        mMockResolver.delete(Item.CONTENT_URI,
" id = id " , null );
    }

    
public   void  testProviderSampleCreation()
    {
        ItemsContentProvider provider 
=  getProvider();
        assertNotNull(provider);
    }

    
public   void  testItemCreateRead()
    {
        ContentValues values 
=   new  ContentValues();

        values.put(Item.MESSAGE, 
" Test Pose Zebra Zulu " );

        Uri uri 
=  mMockResolver.insert(Item.CONTENT_URI, values);

        
// Uri myItem = ContentUris.withAppendedId(Item.CONTENT_URI, 1);   // Not really using URI syntax for now

        
//  Then query for this specific record:
        Cursor cur  =  mMockResolver.query(Item.CONTENT_URI,  null , Item.MESSAGE  +   "  = 'Test Pose Zebra Zulu' " null , Item.ITEMID  +   "  ASC " );

        assertNotNull(cur);
        assertEquals(
1 ,cur.getCount());
    }

    
public   void  testItemDoesNotDuplicate()
    {
        
//  insert the first record/tuple into the db
        ContentValues values  =   new  ContentValues();
        values.put(Item.MESSAGE, 
" Test Pose Zebra Zulu " );
        values.put(Item.ITEMID, 
" 1 " );
        Uri uri 
=  mMockResolver.insert(Item.CONTENT_URI, values);
        Cursor cur 
=  mMockResolver.query(Item.CONTENT_URI,  null , Item.MESSAGE  +   "  = 'Test Pose Zebra Zulu' " null , Item.ITEMID  +   "  ASC " );
        assertNotNull(cur);
        assertEquals(
1 ,cur.getCount());

        
//  Now we make sure that items can not save duplicates of the same id
        values  =   new  ContentValues();
        values.put(Item.MESSAGE, 
" NOT SAVED " );
        values.put(Item.ITEMID, 
" 1 " );
        uri 
=  mMockResolver.insert(Item.CONTENT_URI, values);
        cur 
=  mMockResolver.query(Item.CONTENT_URI,  null , Item.MESSAGE  +   "  = 'NOT SAVED' " null , Item.ITEMID  +   "  ASC " );
        assertNotNull(cur);
        assertEquals(
1 ,cur.getCount());

        
//  Verify that we only have 1 item with an item id of '1'
        cur  =  mMockResolver.query(Item.CONTENT_URI,  null , Item.ITEMID  +   "  = '1' " null , Item.ITEMID  +   "  ASC " );
        assertNotNull(cur);
        assertEquals(
1 ,cur.getCount());
    }

    
public   void  testLoadUnAuthFeed()
    {
        GSServiceHelper gsHelper1 
=  GSServiceHelper.getGSServiceObject(getContext().getApplicationContext());

        GSServiceHelper gsHelper2 
=  GSServiceHelper.getGSServiceObject(getContext().getApplicationContext());

        assertNotNull(gsHelper1);
        assertNotNull(gsHelper2);

        assertEquals(gsHelper1, gsHelper2);

        
// Bind with and start GSService
        gsHelper1.doBindService();

        String requestID 
=  gsHelper1.loadPosers();

        assertTrue(requestID.length() 
>   0 );
    }

    
public   void  testUnAuthDataLoaded()
    {
        Handler handler 
=   new  Handler();

        
class  ItemsContentObserver  extends  ContentObserver
        {
                  
public  ItemsContentObserver( Handler h )
                  {
                        
super ( h );
                  }

                  
public   void  onChange( boolean  selfChange)
                  {
                        Log.i( 
" testUnAuthDataLoaded() " " StringsContentObserver.onChange(  " + selfChange + " ) "  );
                  }
        }

        ItemsContentObserver co 
=   new  ItemsContentObserver(handler);

        mMockResolver.registerContentObserver(Item.CONTENT_URI, 
true , co);
    }


}

 

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