Sorry Groovy Noob here:
Here is my Groovy Class -
class MyClass {
static void main() {
println("Hello World");
}
...
How do I run this classin Eclipse STS? I want to keep the main method. I do not want to change this to just a script.
Thanks
To initiate a method, main you must pass in a string array (String[] something). Use the following.
public static void main(String[] args)
{
System.out.println("Hello World")!
}
Remember... a Groovy class is a Java class. All you need to do is right-click -> Run as -> Java application.
Related
Using Selenium w Java and Test NG (POM format) Switched everything from not static to static and changed everything accordingly, getting NullPointerException. It worked when everything was not static, but making everything static requires less code so I'd prefer to have it that way.
Here is my code.. while trying to paste my code for some reason it did not recognize the import statements as code so I just did not include them, but rest assured everything has been imported that is needed! :)
Package pages;
public class locationPage {
WebDriver driver;
static #FindBy (id="btn_bogota") WebElement chooseBogota;
static #FindBy (id="btn_medellin") WebElement chooseMedellin;
static #FindBy (xpath="//title") WebElement pageTitle;
public locationPage (WebDriver driver){
this.driver=driver;
PageFactory.initElements(driver, this);
}
public static void chooseLocation (String location) {
if (location.equals("Bogota"))
{
chooseBogota.click();
}
else if (location.equals("Medellin")){
chooseMedellin.click();
}
}
}
Package testcases;
public class selectLocation {
WebDriver driver;
#BeforeClass
public void setup() throws InterruptedException{
driver = new FirefoxDriver();
driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
driver.get("http://dev01.juanregala.com.co/");
//Generating Alert Using Javascript Executor
JavascriptExecutor javascript = (JavascriptExecutor) driver;
javascript.executeScript("alert('Select Location');");
Thread.sleep(2000);
driver.switchTo().alert().accept();
}
#AfterTest
public void quit(){
driver.quit();
}
#Test (priority=0)
public void location(){
locationPage.chooseLocation("Medellin");
}
}
It keeps giving me a NullPointerException referring to
chooseMedellin.click();
and
locationPage.chooseLocation("Medellin");
I am not really sure how else to describe my issue :( Please help!
You are getting a NullPointerException because the fields are not initialized. You can't use a page object in this way. Even if you could, you probably wouldn't want to since a page object is tied to a particular web driver and that would mean you could never use the same page object among multiple tests and run them in parallel.
Basically, the PageFactory only works on object instances. It won't initialize static fields and, even if it did, you are only calling the page factory from the constructor of your page and that is never being called since you only call a static method on that class.
You need to create an instance of the page object and then pass it to the PageFactory along with the driver that will be running the page object.
Simple example:
public class FooTest {
private WebDriver driver;
private FooPage page;
#BeforeMethod
public void setup() {
driver = new FirefoxDriver();
page = PageFactory.initElements(driver, FooPage.class);
}
#AfterMethod
public void tearDown() {
try {
driver.quit();
} catch ( Exception ignore ) { }
driver = null;
page = null;
}
#Test
public void testFoo() {
}
}
public class FooPage {
#FindBy(id="foo")
private WebElement fooElement;
public void clickFoo() {
fooElement.click();
}
}
Note the line:
page = PageFactory.initElements(driver, FooPage.class);
That method will actually call the default construct of FooPage. You can also instantiate the object yourself and pass it to the page factory like this:
page = new FooPage();
PageFactory.initElements(driver, page);
public class ABC{ public static void main(String[] args) { out.println("Hello"); } }
This works, though static imports are not generally considered a good thing in java.
import static java.lang.System.out;
public class ABC {
public static void main(String[] args) {
out.println("hello");
}
}
I created console c# project. and in the code I have made a module. My code looks like this.
[Import]
public IMessageSender MessageSender { get; set; }
public static void Main(string[] args)
{
Program p = new Program();
p.Run();
}
public void Run()
{
Compose();
Console.ReadLine(MessageSender.Send("Message Sent"));
}
private void Compose()
{
AssemblyCatalog catalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
var container = new CompositionContainer(catalog);
container.ComposeParts(this);
}
public interface IMessageSender
{
string Send(string message);
}
[Export(typeof(IMessageSender))]
public class EmailSender : IMessageSender
{
public void Send(string message)
{
return message;
}
}
It works perfectly fine. But now I added a new project in my solution and added module into that
AnotherProject->EmailSender.cs
[Export(typeof(IMessageSender))]
public class EmailSender : IMessageSender
{
public void Send(string message)
{
return message;
}
}
Now in the main console program I changed some of my code.
private void Compose()
{
var catalog = new DirectoryCatalog(path);
//AssemblyCatalog catalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
var container = new CompositionContainer(catalog);
container.ComposeParts(this);
}
But now when I run this program. It doesnt load the module. MessageSender in main program is null. What wrong I have done.
There are a few things you need to check:
Have you correctly referenced the assemblies?
The DirectoryCatalog by default uses the search pattern *.dll. Because you have a console application, which uses the .exe extension, no exports in that assembly will get picked up by the DirectoryCatalog - with the default search pattern. You'll likely want to use an AggregateCatalog, passing in the DirectoryCatalog (*.dll), and either another DirectoryCatalog (*.exe), or an AssemblyCatalog, of the entry assembly.
You currently have one [Import] where you may end up with multiple [Export(typeof(IMessageSender))], you didn't state that you have moved the EmailSender to the class library, merely that you have created a new one, which means you'll likely end up with a cardinality mismatch where it is expecting a sinple import, you have many exports. This will explicitly throw an exception, which is what will happen even it couldn't find a single instance of IMessageSender, because your [Import] attribute is not set to allow a default value where no part can be provided. If you need to be fault tollerant, you can use [Import(AllowDefault = true)]
Incidentally... the above code won't compile, I assume it was just an example and not a copy-paste from your current code?
public void SendMessage(string message)
{
return message;
}
You're retuning a message to a void method - that can't be done, and it also means that EmailSender doesn't correctly implement IMessageSender. Not too bothered, as I think it is an example more than actual code.
I am trying to create a NUnit test for a project that uses Ninject. The Ninject was installed via Nuget, so the Configuration clas looks similar to this simplified version:
[assembly: WebActivator.PreApplicationStartMethod(typeof(NinjectMVC3), "Start")]
[assembly: WebActivator.ApplicationShutdownMethodAttribute(typeof(NinjectMVC3), "Stop")]
public static class NinjectMVC3
{
private static readonly Bootstrapper Bootstrapper = new Bootstrapper();
private static IKernel _kernel;
public static void Start()
{
DynamicModuleUtility.RegisterModule(typeof(OnePerRequestModule));
DynamicModuleUtility.RegisterModule(typeof(HttpApplicationInitializationModule));
Bootstrapper.Initialize(CreateKernel);
}
public static void Stop()
{
Bootstrapper.ShutDown();
}
}
I want those methods to be called in my startup test class. I tried:
[TestFixture]
public class TestBase
{
[SetUp]
public void Setup()
{
NinjectMVC3.Startup();
}
[TearDown]
public void TearDown()
{
NinjectMVC3.TearDown();
}
}
It will not work because I am trying to manually call methods that are managed by WebActivator. So I am looking for a way to instruct WebActivator to call those methods in a 'right time'. Let me remind you that there are two project that I am dealing with, one is a MVC Web Project (and it uses WebActivator for Ninject), and the other one is a Test project for my MVC Web Project. I tried to call WebActivator by changing implementation of my Setup method:
[SetUp]
public void Setup()
{
WebActivator.ActivationManager.Run();
}
It doesn't work. As far As I understand underneath this call WebActivator should do something similar to:
foreach (var assemblyFile in Directory.GetFiles(HttpRuntime.BinDirectory, "*.dll")) {
var assembly = Assembly.LoadFrom(assemblyFile);
foreach (PreApplicationStartMethodAttribute preStartAttrib in assembly.GetCustomAttributes(
typeof(PreApplicationStartMethodAttribute),
inherit: false)) {
preStartAttrib.InvokeMethod();
}
}
So I guess that it is unable to find an assembly. So the question is - how can I order WebActivator to scan thru some additional assembly and fire some methods in a 'right time'. Or maybe I am mislead here, and in order to test my Ninject project I should take a different approach?
I am able to test my solutions w/o WebActivator, but because it is widely used recently, I am keen to learn how to deal with it and force it to do things that I want.
I would avoid using WebActivator from your test project as it will not play well outside of asp.net.
If you want to test the setup of your Ninject kernel than i would make the CreateKernel() method public and call that from your Setup() method.
public static IKernel CreateKernel()
...
[SetUp]
public void Setup()
{
NinjectMVC3.CreateKernel();
}
Unfortunately by default WebActivator looks for a "*.dll" in a c:\tmp... directory, and due to that it is unable to find project libriaries that are included to the solution.
I ended up geting the source code and adding a following code to the ActivationManager class:
public static void AddAssembly(Assembly assembly)
{
if (_assemblies == null)
{
_assemblies = new List<Assembly>();
}
_assemblies.Add(assembly);
}
And in test class:
private const int PreStartInitStage_DuringPreStartInit = 1;
[SetUp]
public void Setup(){
WebActivator.ActivationManager.AddAssembly(Assembly.GetAssembly(typeof(NinjectMVC3)));
typeof(BuildManager).GetProperty("PreStartInitStage", BindingFlags.NonPublic | BindingFlags.Static).SetValue(null, PreStartInitStage_DuringPreStartInit, null);
WebActivator.ActivationManager.RunPreStartMethods();
Kernel = NinjectMVC3.GetKernel();
}
This is ugly code, and I hope to see one day a better approach.
I'm running Selenium tests from within Eclipse, but I can't load a custom Firefox profile.
Most sources suggest I need to launch the Selenium Server like this:
java -jar selenium-server.jar -firefoxProfileTemplate </path/to/template/>
But when launching my test from within Eclipse it doesn't use that - the tests will run if the Selenium Server isn't running.
This thread suggests that I can set the profile in the DefaultSelenium constructor:
Selenium RC - disabling browser cookie
But the code generated for me by Selenium IDE (Firefox plugin) doesn't use that constructor:
package com.example.tests;
import com.thoughtworks.selenium.*;
import java.util.regex.Pattern;
public class Example extends SeleneseTestCase {
public void setUp() throws Exception {
setUp("http://www.example.com/", "*firefox");
}
public void testExample() throws Exception {
selenium.open("/");
selenium.click("//body");
}
}
Where should I set the DefaultSelenium configuration options? Or is there some other method I can use to load my custom Firefox template?
Thanks!
Stu
I made a SeleniumTestCase that starts/stops the server before/after each test class and starts/stops the Selenium instance before/after each test:
public class SeleniumTestCase {
protected static Selenium selenium;
protected static AppNavUtils appNavUtils;
#BeforeClass
public static void setUpBeforeClass() throws Exception {
SeleniumServerControl.getInstance().startSeleniumServer();
}
#AfterClass
public static void tearDownAfterClass() throws Exception {
SeleniumServerControl.getInstance().stopSeleniumServer();
}
#Before
public void setUp() throws Exception {
// Replace "*chrome" with "*firefox" for Selenium > 1.0
selenium = new DefaultSelenium("localhost", 5444, "*chrome", "http://localhost:8080/");
selenium.start();
appNavUtils = new AppNavUtils(selenium);
}
#After
public void tearDown() throws Exception {
selenium.stop();
}
}
The SeleniumServerControl starts and stops the server:
public class SeleniumServerControl {
private static final SeleniumServerControl instance = new SeleniumServerControl();
public static SeleniumServerControl getInstance()
{
return instance;
}
private SeleniumServer server = null;
protected SeleniumServerControl(){}
public void startSeleniumServer() {
if (server == null) {
RemoteControlConfiguration rcc = new RemoteControlConfiguration();
rcc.setPort(5444);
//rcc.setFirefoxProfileTemplate(newFirefoxProfileTemplate)
server = new SeleniumServer(rcc);
}
server.start();
}
public void stopSeleniumServer()
{
if (server != null) {
server.stop();
server = null;
}
}
}
the version of code you have above assumes that you are running your tests against localhost on port 4444 thats why it is has 2 parameters in the setup.
To set up eclipse to run it you will need to update the run configuration. That is under
Run > Run Configurations
Have a look for the item that has selenium in it and add the config above so that when it runs it will pick it up and run.
I personally just fire up the server when I start working by running a batch file and kill it at the end of the day.