Add simulate network error for unit testing.

Author: androidquery

src/com/androidquery/callback/AbstractAjaxCallback.java

@@ -113,6 +113,7 @@ public abstract class AbstractAjaxCallback<T, K> implements Runnable{
 	private static int NETWORK_POOL = 4;
 	private static boolean GZIP = true;
 	private static boolean REUSE_CLIENT = true;
+	private static boolean SIMULATE_ERROR = false;
 
 	private Class<T> type;
 	private Reference<Object> whandler;
@@ -194,6 +195,15 @@ public static void setGZip(boolean gzip){
 		GZIP = gzip;
 	}
 
+	/**
+     * Set to true to simulate network error.
+     *
+     * @param error
+     */
+	public static void setSimulateError(boolean error){
+	    SIMULATE_ERROR = error;
+    }
+	
 	/**
 	 * Sets the default static transformer. This transformer should be stateless.
 	 * If state is required, use the AjaxCallback.transformer() or AQuery.transformer().
@@ -1593,6 +1603,10 @@ private void httpDo(HttpUriRequest hr, String url, Map<String, String> headers,
 			throw new IOException("Aborted");
 		}
 
+		if(SIMULATE_ERROR){
+            throw new IOException("Simulated Error");
+        }
+		
 		HttpResponse response = null;
 
 		try{

tests/src/com/androidquery/test/AQueryAsyncTest.java

@@ -1716,4 +1716,34 @@ public void testRetryOk() {
 
 
 	}
+	
+	public void testAjaxSimulateError() {
+        
+	    AjaxCallback.setSimulateError(true);
+	    
+        String url = "http://www.google.com/uds/GnewsSearch?q=Obama&v=1.0";
+        
+        AjaxCallback<JSONObject> cb = new AjaxCallback<JSONObject>(){
+            
+            @Override
+            public void callback(String url, JSONObject jo, AjaxStatus status) {
+                
+                done(url, jo, status);
+                
+            }
+            
+        };
+        
+            
+        aq.ajax(url, JSONObject.class, cb);
+        
+        waitAsync();
+        
+        JSONObject jo = (JSONObject) result;
+        
+        assertNull(jo);       
+        assertNotNull(status);
+        assertEquals(AjaxStatus.NETWORK_ERROR, status.getCode());
+        
+    }
 }

tests/src/com/androidquery/test/AbstractTest.java

@@ -3,6 +3,7 @@
 import java.io.File;
 
 import com.androidquery.AQuery;
+import com.androidquery.callback.AjaxCallback;
 import com.androidquery.callback.BitmapAjaxCallback;
 import com.androidquery.util.AQUtility;
 
@@ -26,6 +27,7 @@ public AbstractTest(Class cls){
 	protected void setUp() throws Exception {
         super.setUp();
         aq = new AQuery(getActivity());
+        AjaxCallback.setSimulateError(false);
         AQUtility.debug("new act", getActivity() + ":" + getActivity().isFinishing());
     }