Following is my code -
DesiredCapabilities capability = DesiredCapabilities.firefox();
capability.setBrowserName("firefox");
capability.setPlatform(Platform.VISTA);
driver = new RemoteWebDriver(new URL("http://localhost:4444/wd/hub"), capability);
driver.manage().window().maximize();
driver.get(url);
I want to execute my script on 3 different nodes
For starting HUB I am using the command :-
java -jar selenium-server-standalone-2.53.0.jar -role hub -port 4444
and for nodes
Node 1 :-
java -jar selenium-server-standalone-2.53.0.jar -role webdriver -hub http://192.168.1.118:4444/grid/register -port 5556
Node 2 :-
java -jar selenium-server-standalone-2.53.0.jar -role webdriver -hub http://192.168.1.118:4444/grid/register -port 5557
Node 3 :-
java -jar selenium-server-standalone-2.53.0.jar -role webdriver -hub http://192.168.1.118:4444/grid/register -port 5558
All 3 nodes are on 3 different machines So my question is do i need to mention all 3 nodes ip address in my code or is there any way to execute script parallely on all 3 machines ?
No you cannot do this directly. By default I think a node supports 5 sessions. So only after all the 5 sessions in node 1 have been exhausted, can the tests go to the second node. So for you to be able to run your tests in parallel on all the 3 nodes, you would need to start all your nodes with a maxSession of 1 and then spin off 3 threads for your tests. That would cause all the nodes to run your tests simultaneously. But just wondering why would you want to run your tests against all the nodes ? What is your use case ?
If you are using testNG then you can use the 'parallel' attribute in testng.xml for a sample blog refer here.
you can also use Maven's maven-failsafe-plugin with <forkCount> tag, have a look at this.
hope this helps.
Related
i have started selenium server hub by running command :
java -jar selenium-server-standalone-3.4.jar -port 4444 -role hub
i have also connected node by running the command : java -jar selenium-server-standalone-3.4.0.jar -role node -hub http://XXX.XXX.XXX.XXX:4444/grid/register/ -browser -browserName=firefox -port 5580
in grid console its showing v:null(don't know why?).
i am runing below code to run selenium :
public static void main(String[] args) throws MalformedURLException, InterruptedException{
String URL = "http://www.DemoQA.com";
String Node = "http://localhost:4444/wd/hub";
DesiredCapabilities cap = DesiredCapabilities.firefox();
cap.setBrowserName("firefox");
cap.setPlatform(Platform.WIN10);
driver = new RemoteWebDriver(new URL(Node), cap);
driver.navigate().to(URL);
Thread.sleep(5000);
driver.quit();
}
`
gettinf these errors, someone please help with these?.
many thanks in adc
Grid console shows no instance for Firefox is the issue you faced. There seems to be some issue with your node.
Check the node registration command.
java -jar selenium-server-standalone-3.4.0.jar -role node -hub http://XXX.XXX.XXX.XXX:4444/grid/register/ -browser browserName=firefox,platform=WINDOWS,maxInstances=2
Try removing the - before browserName in the command.
The error message Error forwarding the new session cannot find is the Grid's way of telling you that whatever you requested for, the hub couldn't find any node that supports that capability.
In your case, when you did this
DesiredCapabilities cap = DesiredCapabilities.firefox();
cap.setBrowserName("firefox");
cap.setPlatform(Platform.WIN10);
You are basically telling the hub that you need a node that can support a browser with its name as firefox and the node should be running on a Windows 10 Operating system.
But in your node starting command, you used this
java -jar selenium-server-standalone-3.4.0.jar -role node -hub http://XXX.XXX.XXX.XXX:4444/grid/register/ -browser -browserName=firefox -port 5580
which means you registered a node which supports firefox browsers, to the Hub, but you never mentioned anything about the platform. So the node assumes the platform to be "any".
Now when you created a new RemoteWebDriver instance, the Hub tried matching the requested capabilities with the available capabilities of every node. Since it didn't find any node that runs on Windows 10 and supports firefox (Remember you only have a node that supports firefox and whose platform is not set), the matching fails because "ANY" is not a match with "WIN10".
To fix the problem, please remove the line cap.setPlatform(Platform.WIN10); and try again.
PS :
The line DesiredCapabilities cap = DesiredCapabilities.firefox(); already figures out the browser name, so you don't need to explicitly set the browser name via cap.setBrowserName("firefox");
I have been trying to implement selenium grid being new to selenium2 .What i can't understand is do we actually need to have our node which we register with the hub have the configurations which we specify in our test.
By this I mean : say my machine which has windows on it,can I register it as node with the hub having configurations platform:LINUX,browserName:firefox or can I only register my machine as windows type?
I tried with Linux-firefox and my test passed also.But am not clear how can it run on a linux platform,if my machine was Windows
java -jar selenium-server-standalone-2.25.0.jar -role webdriver
-browser "browserName=firefox,platform=LINUX" -hub http://127.0.0.1:4444/grid/register
I currently have a Hub that is in Linux and several windows nodes and don't have an issue. When I register the HUB machine, I use the following code from the command prompt:
java -jar selenium-server-standalone-2.39.0.jar -role hub
Then, from each node machine, I run the a variant of the following code...depending on what configuration I want:
java -Dwebdriver.chrome.driver=c:\selenium\chromedriver.exe - Dwebdriver.iexplorer.driver=c:\selenium\IEDriverServer.exe -jar selenium-server-standalone-2.39.0.jar -role webdriver -hub http://<YOURHUBSERVER>:4444/grid/register -port 6660 -browser browserName=firefox,maxInstances=0 -browser browserName=chrome,maxInstances=3 -browser browserName=iexplorer,maxInstances=0 -maxSessions=3
Just make sure the node computer has the jar file and all your paths are correct.
Once you do this, you will be able to see them in your Grid configuration.
Hope this helps.
Actually I need to run my single selenium test case in two different nodes using FIREFOX browser (selenium grid) , I have started my hub using below command
java -jar selenium-server-standalone-2.32.0.jar -role hub
started two Nodes with two different port nos :
Node :1
java -jar selenium-server-standalone-2.32.0.jar -role webdriver -hub http://localhost:4444/grid/register -port 7575 -browser browserName=firefox,version=18,platform=WINDOWS
Node :2
java -jar selenium-server-standalone-2.32.0.jar -role webdriver -hub http://localhost:4444/grid/register -port 8585 -browser browserName=firefox,version=18,platform=WINDOWS
But when i execute my test case i can view my execution only in one node other node remains still, it shows Done :/status but no execution has taken place
can u please help out to solve this problem
thanks in advance
Tester approach:
Make your test to be runnable as indipendent .jar file. Which means the test wil not be actually a #Test but some method or piece of code inside main method
Pro tip: If you can, run the nodes against the same hub. This can be done if the computers are in same network and you can access these computers.
If this can be done, you will just run the .jar file twice, telling it where the huib is, and nodes will be assigned automatically
If this cannot be done, you will have to deploy these .jar files on each computer (node) and run them (requires two people in most cases)
Example:
My own computer has IP 10.131.7.11 inside local network. So I will run the hub and each node will just do this:
java -jar selenium-server-standalone-2.32.0.jar -role webdriver -hub http://10.131.7.11:4444/grid/register -port 7575 -browser browserName=firefox,version=18,platform=WINDOWS
Once the nodes are running, I will run the test twice. The hub will then automatically assign browsers to concrete node.
Developer approach:
you can use multithreading and run the test once, in two threads.
But since I am tester, I use the first approach :) And I did communicate with our developers who helped me to create multithreading test suite which is idiot proof (tested on myself :) )
I have tried searching, but have had no luck in finding a solution. I trying to get Selenium Grid to work on my local machine before placing nodes on other machines. Long story short when I try using the chromewebdriver IE opens.
Everything compiles but IE opens and not chrome. While trying to find the problem I used the driver.getCapabilities().getBrowserName() and it showed internetexplorer. I tried looking through the remoteWebDriver class but could not find where its capability was set to IE.
I've also tried coping and running some code from similar questions, but IE still opens. Any help would be appreciated.
Hub:
java -jar selenium-server-standalone-2.31.0.jar -role hub -port 4444
Nodes:
java -jar selenium-standalone-2.31.0.jar -role node -port 5555 -hub http://localhost:4444/grid/register -browser browserName=chrome,platform=WINDOWS -browser browserName=firefox,platform=WINDOWS
(I have also tried adding -Dwebdriver.chrome.driver={path to web driver} but had no luck)
Code:
WebDriver driver;
#Before
public void setUp()throws java.net.MalformedURLException{
DesiredCapabilities capability = DesiredCapabilities.chrome();
capability.setBrowserName("Chrome");
capability.setPlatform(Platform.WINDOWS);
driver = new RemoteWebDriver(new java.net.URL("http://localhost:5555/wd/hub"), capability, capability);
driver.get("http://book.theautomatedtester.co.uk/chapter1");
}
Browser you registered was under the name "chrome" and capability has "Chrome". Ideally this should throw a no browser available
I am setting up Selenium Grid 2 (selenium-server-standalone-2.1.0) on Windows 7 (I have also tried Windows Server 2008) both 64 bit. I test the WebDriver locally and all is well.
I launch the hub with:
java -jar selenium-server-standalone-2.1.0.jar -role hub
Adding a webDriver node for FireFox works, but anything else such as Google Chrome throws an IllegalOperation Exception.
For example:
I try adding a node for Chrome:
java -jar selenium-server-standalone-2.1.0.jar -role webDriver -hub http://127.0.0.1:4444 -browser browserName=chrome platform=windows version=12 -port 5556
This shows as a node on the hub when you go to http://localhost:4444/grid/console
I add code to call the webDriver such as:
DesiredCapabilities capability = new DesiredCapabilities();
capability.SetCapability(CapabilityType.Platform, "windows");
capability.SetCapability(CapabilityType.Version, "12");
capability.SetCapability(CapabilityType.BrowserName, "chrome");
IWebDriver driver = new RemoteWebDriver(new Uri("http://127.0.0.1:4444/wd/hub"), capability);
I get an exception almost immediately:
{"cannot find : {platform=windows, browserName=chrome, version=12}"}
It seems as if the node isn't even being found. I am new to this is it something I have missed in the set up? (internet explorer does the same and changing versions doesn't seem to help).
I have searched for hours and hours but nothing that matches the exception seems as generic as my problem.
The IllegalOperation Exception {"cannot find : {platform=windows, browserName... is caused by there being no matching capability (it never gets as far as a Node).
If I use a config file when I launch the node that explicitly states the platform and browser such as:
{
"capabilities":
[
{
"browserName":"firefox",
"maxInstances":1
},
{
"browserName":"chrome",
"platform":"WINDOWS",
"maxInstances":1
},
{
"browserName":"internet explorer",
"version":"9",
"platform":"WINDOWS",
"maxInstances":1
}
],
"configuration":
{
"cleanUpCycle":2000,
"timeout":30000,
"proxy":"org.openqa.grid.selenium.proxy.WebDriverRemoteProxy",
"maxSession":5,
"url":"http://[myIP]/wd/hub",
}
}
and launch the hub with this line:
java -jar selenium-server-standalone-2.2.0.jar -role webdriver -nodeConfig myconfig.json -hub http://[myIP]:4444/grid/register
and create the capabilities like so:
DesiredCapabilities capability = new DesiredCapabilities();
capability.SetCapability(CapabilityType.Platform, "WINDOWS");
capability.SetCapability(CapabilityType.BrowserName, "internet explorer");
Then the test works (you have to set all Zones in IE to protected by the way).
N.B. I did notice that windows is UPPERCASE as in WINDOWS or you get an error.
The docs do actually document this but in an unclear way.
java -jar selenium-server-standalone-2.1.0.jar -role webDriver -hub http://127.0.0.1:4444 -browser browserName=chrome platform=windows version=12 -port 5556
Needs to be:
java -Dwebdriver.chrome.driver="C:\Users\Mike\Documents\Java Libraries\Selenium\chromedriver\chromedriver.exe" -jar selenium-server-standalone-2.1.0.jar -role webDriver -hub http://127.0.0.1:4444/grid/register -browser "browserName=chrome,platform=WINDOWS,version=12" -port 5556
You are missing grid/register from the hub URL. On top of this, if you are passing multiple arguments to -browser they need to be enclosed in quotes and separated by commas without spaces. You also need to pass in the webdriver.chrome.driver property in a similar way to how I did it.
You can check that it has successfully registered by going to your browser and hitting:
http://localhost:4444/grid/console
And as a sidenote, this is another way you could declare the desired capabilities:
DesiredCapabilities dc = DesiredCapabilities.chrome();
dc.setVersion("12");
dc.setPlatform(Platform.WINDOWS);
Lets consider Hub running on Machine-A whose IPAddress is = 192.168.10.10 default port no. 4444.
Lets Node running on Machine-B whose IPAddress is = 192.168.10.20.
Lets consider operating System on HUB and Node is installed on drive C:\ (C-Drive).
create a folder named selenium on c:\ as c:\selenium.
keep binaries of IExplorer.exe, chromeDriver.exe and Selenium-Standalone-server2.10.0.jar. (on both machine A and B).
configuring HUB on Machine-A
1- open Command prompt
2- go to folder selenium using
i type cd\ then enter
ii type c: then enter
iii c:> cd selenium then enter
3- java -jar selenium-server-standalone-2.20.0.jar -role hub
Configuring NOde on Machine - B
1- open Command prompt
2- go to folder selenium using
i type cd\ then enter
ii type c: then enter
iii c:> cd selenium then enter
3- java -jar selenium-server-standalone-2.20.0.jar -role node -hub http://192.168.10.10:4444/grid/register -port 5560 -browser browserName=chrome,maxInstance=4,platform=WIN8_1 -Dwebdriver.ie.driver=c:\selenium\ChromeDriver.exe
your node will get register with Hub on port 5560.
Test Case will become as-
package testCase;
import static org.junit.Assert.*;
import java.net.URL;
import java.util.concurrent.TimeUnit;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;
public class Avinash_Google_Chrome
{
WebDriver driver;
String baseUrl , nodeUrl;
#Before
public void setUp() throws Exception
{
nodeUrl = "http://192.168.10.20:5560/wd/hub"; //Machine-A IPAdress
with Port No.
DesiredCapabilities capability = DesiredCapabilities.chrome();
driver = new RemoteWebDriver(new URL(nodeUrl),capability);
driver.manage().window().maximize();
driver.manage().timeouts().implicitlyWait(2, TimeUnit.MINUTES);
}
#After
public void tearDown() throws Exception
{
driver.quit();
}
#Test
public void test() throws InterruptedException
{
driver.get("https://www.google.co.in");
Thread.sleep(3000);
driver.findElement(By.linkText("Gmail")).click();
Thread.sleep(3000);
driver.findElement(By.id("Email")).sendKeys("aavinashpande#gmail.com");
driver.findElement(By.id("Passwd")).sendKeys("********");
driver.findElement(By.id("signIn")).click();
Thread.sleep(6000);
}
}
Try to lower the conditions about the chrome version and the operating system:
Your code to register the node would be the following
java -jar selenium-server-standalone-2.1.0.jar -role webDriver -hub http://127.0.0.1:4444 -browser browserName=chrome -port 5556
And to create your browser:
DesiredCapabilities capability = new DesiredCapabilities();
capability.SetCapability(CapabilityType.BrowserName, "chrome");
or
DesiredCapabilities capability = DesiredCapabilities.chrome();
It can be that your Chrome updated without you noticing or that the version number "12" is not perfectly fitting to your installed version.
If it runs under these conditions, try to add the "Platform=WINDOWS" and the "Version" CapabilityTypes with new combinations.
You can set
driver.quit();
at the end of your script