Trouble getting unit testing of RPC on GWT - google-app-engine

Question

I am trying to get RPC testing using GWT. I am using the default StockWatcher project that is mentioned here, I download the project, I import it, everything works fine.
I then run junitcreator in the StockWatcher project:
/Users/stephen/Work/gwt/gwt-mac-1.6.4/junitCreator -junit /Users/stephen/Applications/eclipse/plugins/org.junit_3.8.2.v20080602-1318/junit.jar -module stockwatcher -eclipse StockWatcher com.google.gwt.sample.stockwatcher.StockWatcherTest
this creates the StockWatcherTest.java in the appropriate test directory, and gives me some hosted and web mode launch files.
I then also added junit.jar to the classpath for this project.
I then modify StockWatcherTest.java to test whether I am capable of making a asynchronous request to the server. Everything looks fine, but when I try to run StockWatcherTest.java in hosted mode, I get the following error:
Starting HTTP on port 0 HTTP
listening on port 49569
The development shell servlet received a
request for 'greet' in module
'com.google.gwt.sample.stockwatcher.StockWatcher.JUnit.gwt.xml'
[WARN] Resource not found: greet;
(could a file be missing from the
public path or a tag
misconfigured in module
com.google.gwt.sample.stockwatcher.StockWatcher.JUnit.gwt.xml
?)
com.google.gwt.user.client.rpc.StatusCodeException:
Cannot find resource 'greet' in the
public path of module
'com.google.gwt.sample.stockwatcher.StockWatcher.JUnit'
Here is my StockWatcherTest.java class
package com.google.gwt.sample.stockwatcher.client;
import com.google.gwt.core.client.GWT;
import com.google.gwt.junit.client.GWTTestCase;
import com.google.gwt.user.client.rpc.AsyncCallback;
/**
* GWT JUnit tests must extend GWTTestCase.
*/
public class StockWatcherTest extends GWTTestCase {
/**
* Must refer to a valid module that sources this class.
*/
public String getModuleName() {
return "com.google.gwt.sample.stockwatcher.StockWatcher";
}
/**
* Add as many tests as you like.
*/
public void testSimple() {
GreetingServiceAsync greetingService = GWT.create(GreetingService.class);
greetingService.greetServer("Bob",
new AsyncCallback<String>() {
public void onFailure(Throwable caught) {
// Show the RPC error message to the user
System.out.println(caught);
fail("big time failure");
finishTest();
}
public void onSuccess(String result) {
System.out.println("success, biatch");
assertTrue(true);
}
});
delayTestFinish(1000);
}
}
Here is com/google/gwt/sample/stockwatcher/StockWatcher.gwt.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE module PUBLIC "-//Google Inc.//DTD Google Web Toolkit 1.6.2//EN" "http://google-web-toolkit.googlecode.com/svn/tags/1.6.2/distro-source/core/src/gwt-module.dtd">
<module rename-to='stockwatcher'>
<!-- Inherit the core Web Toolkit stuff. -->
<inherits name='com.google.gwt.user.User'/>
<!-- Inherit the default GWT style sheet. You can change -->
<!-- the theme of your GWT application by uncommenting -->
<!-- any one of the following lines. -->
<inherits name='com.google.gwt.user.theme.standard.Standard'/>
<!-- <inherits name='com.google.gwt.user.theme.chrome.Chrome'/> -->
<!-- <inherits name='com.google.gwt.user.theme.dark.Dark'/> -->
<!-- Other module inherits -->
<!-- Specify the app entry point class. -->
<entry-point class='com.google.gwt.sample.stockwatcher.client.StockWatcher'/>
</module>
and here is web.xml in my generated war
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<!-- Default page to serve -->
<welcome-file-list>
<welcome-file>StockWatcher.html</welcome-file>
</welcome-file-list>
<!-- Servlets -->
<servlet>
<servlet-name>greetServlet</servlet-name>
<servlet-class>com.google.gwt.sample.stockwatcher.server.GreetingServiceImpl</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>greetServlet</servlet-name>
<url-pattern>/stockwatcher/greet</url-pattern>
</servlet-mapping>
</web-app>
So what am I doing wrong? Any help is appreciated. Thank you.

Answer 1

1-you need to add "finishTest();" at the end of the "onSuccess" method.
2-And to resolve the exeption you got : add in your StockWatcher.gwt.xml the path to your servlet greet.
servlet path='/greet' class='com.google.gwt.sample.stockwatcher.server.GreetingServiceImpl'/

Answer 2

Another solution is using GWT SyncProxy (support both sync & async) to test GWT RPC services in JRE
See the post at http://www.gdevelop.com/w/blog/2010/01/10/testing-gwt-rpc-services/ for details

Answer 3

i made some simple tests for the stock watcher. you can see them at: http://tayek.com/StockWatcher.zip