Wednesday, November 7, 2018

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1.       What is Selenium and what is composed of?

·         Selenium IDE (Integrated Development Environment) :  It is a tool for recording and playing back.  It is a firefox plugin

·         WebDriver and RC:  It provide the APIs for a variety of languages like Java, .NET, PHP, etc. With most of the browsers Webdriver and RC works.

·         Grid: With the help of Grid you can distribute tests on multiple machines so that test can be run parallel which helps in cutting down the time required for running in browser test suites



2.      What is Selenium 2.0 ?



Web testing tools Selenium RC and WebDriver are consolidated in single tool in Selenium 2.0

3.      Mention what is Selenium 3.0?

Selenium 3.0 is the latest version of Selenium. It has released 2 beta versions of selenium 3.0 with few of the below changes:

Beta 1 updates
Beta 2 updates (Only for Java)
·         Minimum java version is now 8+
·         System property webdriver.firefox.marionette now forces the server in marionette or legacy firefox driver mode, ignoring any related Desired Capability
·         It will support for Firefox Via Mozilla’s geckodriver
·         Grid fixes NPE’s on registration when -browser not specified
·         Support for Edge is provided by MS
·         It now supports Safari on MacOS via Apple’s own Safari driver
·         Update GeckoDriver –port argument in all bindings

Here are few new features added to Selenium 3.0



4.      How will you find an element using Selenium?

In Selenium every object or control in a web page is referred as an elements, there are different ways to find an element in a web page they are

·         ID

·         Name

·         Tag

·         Attribute

·         CSS

·         Linktext

·         PartialLink Text

·         Xpath etc










Wednesday, March 2, 2016

Selenium Latest Question and aswers.....

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1) What is Automation Testing?
Automation testing or Test Automation is a process of automating the manual process to test the application/system under test. Automation testing involves use to a separate testing tool which lets you create test scripts which can be executed repeatedly and doesn’t require any manual intervention.
2) What are the benefits of Automation Testing?
Benefits of Automation testing are:
  1. Supports execution of repeated test cases
  2. Aids in testing a large test matrix
  3. Enables parallel execution
  4. Encourages unattended execution
  5. Improves accuracy thereby reducing human generated errors
  6. Saves time and money

3) Why should Selenium be selected as a test tool?
Selenium
  1. is free and open source
  2. have a large user base and helping communities
  3. have cross Browser compatibility (Firefox, chrome, Internet Explorer, Safari etc.)
  4. have great platform compatibility (Windows, Mac OS, Linux etc.)
  5. supports multiple programming languages (Java, C#, Ruby, Python, Pearl etc.)
  6. has fresh and regular repository developments
  7. supports distributed testing

4) What is Selenium? What are the different Selenium components?
Selenium is one of the most popular automated testing suites. Selenium is designed in a way to support and encourage automation testing of functional aspects of web based applications and a wide range of browsers and platforms. Due to its existence in the open source community, it has become one of the most accepted tools amongst the testing professionals.
Selenium is not just a single tool or a utility, rather a package of several testing tools and for the same reason it is referred to as a Suite. Each of these tools is designed to cater different testing and test environment requirements.
The suite package constitutes of the following sets of tools:
  • Selenium Integrated Development Environment (IDE) – Selenium IDE is a record and playback tool. It is distributed as a Firefox Plugin.
  • Selenium Remote Control (RC) – Selenium RC is a server that allows user to create test scripts in a desired programming language. It also allows executing test scripts within the large spectrum of browsers.
  • Selenium WebDriver – WebDriver is a different tool altogether that has various advantages over Selenium RC. WebDriver directly communicates with the web browser and uses its native compatibility to automate.
  • Selenium Grid – Selenium Grid is used to distribute your test execution on multiple platforms and environments concurrently.

5) What are the testing types that can be supported by Selenium?
Selenium supports the following types of testing:
  1. Functional Testing
  2. Regression Testing

6) What are the limitations of Selenium?
Following are the limitations of Selenium:
  • Selenium supports testing of only web based applications
  • Mobile applications cannot be tested using Selenium
  • Captcha and Bar code readers cannot be tested using Selenium
  • Reports can only be generated using third party tools like TestNG or Junit.
  • As Selenium is a free tool, thus there is no ready vendor support though the user can find numerous helping communities.
  • User is expected to possess prior programming language knowledge.


Sunday, September 23, 2012

WebDriver: Advanced Usage

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Explicit and Implicit Waits

Waiting is having the automated task execution elapse a certain amount of time before continuing with the next step.

Explicit Waits

An explicit waits is code you define to wait for a certain condition to occur before proceeding further in the code. The worst case of this is Thread.sleep(), which sets the condition to an exact time period to wait. There are some convenience methods provided that help you write code that will wait only as long as required. WebDriverWait in combination with ExpectedCondition is one way this can be accomplished.

Java

WebDriver driver = new FirefoxDriver();
driver.get("http://somedomain/url_that_delays_loading");
WebElement myDynamicElement = (new WebDriverWait(driver, 10))
  .until(new ExpectedCondition<WebElement>(){
 @Override
 public WebElement apply(WebDriver d) {
  return d.findElement(By.id("myDynamicElement"));
 }});

Implicit Waits

An implicit wait is to tell WebDriver to poll the DOM for a certain amount of time when trying to find an element or elements if they are not immediately available. The default setting is 0. Once set, the implicit wait is set for the life of the WebDriver object instance.

Java

WebDriver driver = new FirefoxDriver();
driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
driver.get("http://somedomain/url_that_delays_loading");
WebElement myDynamicElement = driver.findElement(By.id("myDynamicElement"));

RemoteWebDriver

import java.io.File;
import java.net.URL;
import org.openqa.selenium.OutputType;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.remote.Augmenter;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;
public class Testing {
        public void myTest() throws Exception {
        WebDriver driver = new RemoteWebDriver(
                                new URL("http://localhost:4444/wd/hub"), 
                                DesiredCapabilities.firefox());
            driver.get("http://www.google.com");
            // RemoteWebDriver does not implement the TakesScreenshot class
        // if the driver does have the Capabilities to take a screenshot
        // then Augmenter will add the TakesScreenshot methods to the instance
        WebDriver augmentedDriver = new Augmenter().augment(driver);
        File screenshot = ((TakesScreenshot)augmentedDriver).
                            getScreenshotAs(OutputType.FILE);
    }
}
  
Using a FirefoxProfile

Java

FirefoxProfile fp = new FirefoxProfile();
// set something on the profile...
DesiredCapabilities dc = DesiredCapabilities.firefox();
dc.setCapability(FirefoxDriver.PROFILE, fp);
WebDriver driver = new RemoteWebDriver(dc);

Using ChromeOptions

Java

ChromeOptions options = new ChromeOptions();
// set some options
DesiredCapabilities dc = DesiredCapabilities.chrome();
dc.setCapability(ChromeOptions.CAPABILITY, options);
WebDriver driver = new RemoteWebDriver(dc);

 Browser Startup Manipulation

Topics to be included:
  • restoring cookies
  • changing firefox profile
  • running browsers with plugins

Using a Proxy

Internet Explorer

The easiest and recommended way is to manually set the proxy on the machine that will be running the test. If that is not possible or you want your test to run with a different configuration or proxy, then you can use the following technique that uses a Capababilities object. This temporarily changes the system’s proxy settings and changes them back to the original state when done.

Java

String PROXY = "localhost:8080";

org.openqa.selenium.Proxy proxy = new org.openqa.selenium.Proxy();
proxy.setHttpProxy(PROXY)
     .setFtpProxy(PROXY)
     .setSslProxy(PROXY);
DesiredCapabilities cap = new DesiredCapabailities();
cap.setPreference(CapabilityType.PROXY, proxy);

WebDriver driver = new InternetExplorerDriver(cap);

 

 

 
 

 

 

 

 

How to Setting Up a Selenium-WebDriver Project

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Setting Up a Selenium-WebDriver Project

To install Selenium means to set up a project in a development so you can write a program using Selenium. How you do this depends on your programming language and your development environment.

Java

The easiest way to set up a Selenium 2.0 Java project is to use Maven. Maven will download the java bindings (the Selenium 2.0 java client library) and all its dependencies, and will create the project for you, using a maven pom.xml (project configuration) file. Once you’ve done this, you can import the maven project into your preferred IDE, IntelliJ IDEA or Eclipse.
First, create a folder to contain your Selenium project files. Then, to use Maven, you need a pom.xml file. This can be created with a text editor. We won’t teach the details of pom.xml files or for using Maven since there are already excellent references on this. Your pom.xml file will look something like this. Create this file in the folder you created for your project.
 xmlns="http://maven.apache.org/POM/4.0.0"
                 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
        4.0.0
        MySel20Proj
        MySel20Proj
        1.0
        
            
                org.seleniumhq.selenium
                selenium-java
                2.25.0
            
            
                com.opera
                operadriver
            
        
        
            
                
                    com.opera
                    operadriver
                    0.16
                    
                        
                            org.seleniumhq.selenium
                            selenium-remote-driver
                        
                    
                
            
        
Be sure you specify the most current version. At the time of writing, the version listed above was the most current, however there were frequent releases immediately after the release of Selenium 2.0. Check the Maven download page for the current release and edit the above dependency accordingly.

How Does WebDriver ‘Drive’ the Browser Compared to Selenium-RC?

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How Does WebDriver ‘Drive’ the Browser Compared to Selenium-RC?

Selenium-WebDriver makes direct calls to the browser using each browser’s native support for automation. How these direct calls are made, and the features they support depends on the browser you are using. Information on each ‘browser driver’ is provided later in this chapter.
For those familiar with Selenium-RC, this is quite different from what you are used to. Selenium-RC worked the same way for each supported browser. It ‘injected’ javascript functions into the browser when the browser was loaded and then used its javascript to drive the AUT within the browser. WebDriver does not use this technique. Again, it drives the browser directly using the browser’s built in support for automation.

WebDriver and the Selenium-Server

You may, or may not, need the Selenium Server, depending on how you intend to use Selenium-WebDriver. If you will be only using the WebDriver API you do not need the Selenium-Server. If your browser and tests will all run on the same machine, and your tests only use the WebDriver API, then you do not need to run the Selenium-Server; WebDriver will run the browser directly.
There are some reasons though to use the Selenium-Server with Selenium-WebDriver.
  • You are using Selenium-Grid to distribute your tests over multiple machines or virtual machines (VMs).
  • You want to connect to a remote machine that has a particular browser version that is not on your current machine.
  • You are not using the Java bindings (i.e. Python, C#, or Ruby) and would like to use HtmlUnit Driver

What is Selenium WebDriver?

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Selenium WebDriver

We’re currently working on documenting these sections. We believe the information here is accurate, however be aware we are also still working on this chapter. Additional information will be provided as we go which should make this chapter more solid.

Introducing WebDriver

The primary new feature in Selenium R C is the integration of the WebDriver API. WebDriver is designed to providing an simpler, more concise programming interface along with addressing some limitations in the Selenium-RC API. Selenium-WebDriver was developed to better support dynamic web pages where elements of a page may change without the page itself being reloaded. WebDriver’s goal is to supply a well-designed object-oriented API that provides improved support for modern advanced web-app testing problems.

Monday, July 23, 2012

Generating selenium reports using TestNG-xslt through Ant

Generating selenium reports using TestNG-xslt through Ant


Generating selenium reports using TestNG-xslt through Ant

TestNG-xslt generates user friendly reports using the TestNG results output (testng-results.xml). Its uses the pure XSL for report generation and Saxon as an XSL2.0 implementation.

Most of the material is taken from the original site.
 http://code.google.com/p/testng-xslt/

I will tell in this blog how to implement this report for your project. This implementation will tell you how to generate the testng-xslt report using ant. If your current project does not use ant build then you can use ant only for the report generation purpose.

If you dont know ant please check the Apache ant website http://ant.apache.org/.

For generating testng-xslt report for your project do the following:
1. Download the testng-xslt
2. Unzip and copy the testng-results.xsl from the testng-xslt folder(testng-xslt-1.1\src\main\resources) to your own project folder.
3. Now copy the saxon library from (testng-xslt-1.1\lib\saxon-8.7.jar)to your project lib folder.
4. Modify your build.xml of ant and add the following target to it.


<project name="test" basedir=".">
    <property name="LIB" value="${basedir}/libs" />
    <property name="BIN" value="${basedir}/bin" />
    <path id="master-classpath">
        <pathelement location="${BIN}" />
        <fileset dir="${LIB}">
            <include name="**/*.jar" />
        </fileset>
    </path>
     
    <target name="testng-xslt-report">
        <delete dir="${basedir}/testng-xslt">
        </delete>
        <mkdir dir="${basedir}/testng-xslt">
        </mkdir>
        <xslt in="${basedir}/test-output/testng-results.xml" style="${basedir}/testng-results.xsl" out="${basedir}/testng-xslt/index.html">
            <param expression="${basedir}/testng-xslt/" name="testNgXslt.outputDir" />

            <param expression="true" name="testNgXslt.sortTestCaseLinks" />

            <param expression="FAIL,SKIP,PASS,CONF,BY_CLASS" name="testNgXslt.testDetailsFilter" />

            <param expression="true" name="testNgXslt.showRuntimeTotals" />

            <classpath refid="master-classpath">
            </classpath>
        </xslt>
    </target>
</project>


The XSL transformation can be configured using the parameters described below.
  • testNgXslt.outputDir - Sets the target output directory for the HTML content. This is mandatory and must be an absolute path. If you are using the Maven plugin this is set automatically so you don't have to provide it.
  • testNgXslt.cssFile - Specifies and alternative style sheet file overriding the default settings. This parameter is not required.
  • testNgXslt.showRuntimeTotals - Boolean flag indicating if the report should display the aggregated information about the methods durations. The information is displayed for each test case and aggregated for the whole suite. Non-mandatory parameter, defaults to false.
  • testNgXslt.reportTitle - Use this setting to specify a title for your HTML reports. This is not a mandatory parameter and defaults to "TestNG Results".
  • testNgXslt.sortTestCaseLinks - Indicates whether the test case links (buttons) in the left frame should be sorted alphabetically. By default they are rendered in the order they are generated by TestNG so you should set this to true to change this behavior.
  • testNgXslt.chartScaleFactor - A scale factor for the SVG pie chart in case you want it larger or smaller. Defaults to 1.
  • testNgXslt.testDetailsFilter - Specified the default settings for the checkbox filters at the top of the test details page. Can be any combination (comma-separated) of: FAIL,PASS,SKIP,CONF,BY_CLASS
You need to provide the testng-xslt stylesheet the TestNG results xml(testng-results.xml) , the path to the style sheet testng-results.xsl and the output index.html path.

Also dont forget to add the saxon library to your target classpath else you will get an error. In my case it is the master-classpath.

Noe run the ant target for report generation (in my case "testng-xslt-report") and check the ouput folder configured by you for testng-xslt report.