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Automation Testing by Selenium Web Driver
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Automation Testing by Selenium Web Driver


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  • 1. Automation Testing by Selenium Web Driver As efficient as your in-house team We provide the people, the ability and the tools so you can be best at what you do.
  • 2. Why automate testing? Test automation has specific advantages for improving the long-term efficiency of a software team’s testing processes. Test automation supports: 0 Frequent regression testing 0 Rapid feedback to developers 0 Virtually unlimited iterations of test case execution 0 Support for Agile and extreme development methodologies 0 Disciplined documentation of test cases 0 Customized defect reporting 0 Finding defects missed by manual testing
  • 3. Automation Test Life Cycle
  • 4. Selenium History 0 2004 - at ThoughtWorks in Chicago, Jason Huggins built the Core mode as "JavaScriptTestRunner" for the testing of an internal Time and Expenses application (Python, Plone). 0 2006 - at Google, Simon Stewart started work on a project he called WebDriver. Google had long been a heavy user of Selenium, but testers had to work around the limitations of the product. The WebDriver project began with the aim to solve the Selenium’ pain-points. 0 2008 - merging of Selenium and WebDriver. Selenium had massive community and commercial support, but WebDriver was clearly the tool of the future. The joining of the two tools provided a common set of features for all users and brought some of the brightest minds in test automation under one roof. 0 Shinya Kasatani in Japan became interested in Selenium, he 0 Wrapped the core code into an IDE module into the Firefox browser 0 Added the ability to record tests as well as play them back in the same plugin. 0 This tool, turned out an eye opener in more ways that was originally thought as it is not bound to the same origin policy. 0 See for more interesting details 0
  • 5. Selenium World
  • 6. Which tool to use?
  • 7. Selenium IDE
  • 8. Script Syntax 0 Selenium scripts that will be run from Selenium-IDE are stored in an HTML text file format. 0 HTML table with three columns. 0 The first column identifies the Selenium command 0 the second is a target, and 0 the final column contains a value. 0 The second and third columns may not require values depending on the chosen Selenium command, but they should be present. 0 Each table row represents a new Selenium command.
  • 9. Commonly Used Selenium Commands  Open - opens a page using a URL.  click/clickAndWait - performs a click operation, and optionally waits for a new page to load.  verifyTitle/assertTitle - verifies an expected page title.  verifyTextPresent - verifies expected text is somewhere on the page.  verifyElementPresent - verifies an expected UI element, as defined by its HTML tag, is present on the page.  verifyText - verifies expected text and its corresponding HTML tag are present on the page.  verifyTable - verifies a table’s expected contents.  waitForPageToLoad - pauses execution until an expected new page loads. Called automatically when clickAndWait is used.  waitForElementPresent - pauses execution until an expected UI element, as defined by its HTML tag, is present on the page.
  • 10. Locating Elements 0 For many Selenium commands, a target is required. This target identifies an element in the content of the web application, and consists of the location strategy followed by the location in the format locatorType=location 0 Locating by Identifier : the most common method of locating elements and is the catch-all default when no recognized locator type is used 0 the first element with the id attribute value matching the location will be used. If no element has a matching id attribute, then the first element with a name attribute matching the location will be used
  • 11. Locating Elements 0 Locating by Id: more limited than the identifier locator type, but also more explicit. 0 Use this when you know an element’s id attribute. 0 Locating by Name: will locate the first element with a matching name attribute. If multiple elements have the same value for a name attribute, then you can use filters to further refine your location strategy. 0 The default filter type is value (matching the value attribute).
  • 12. Locating Elements 0 Locating by Xpath : XPath extends beyond (as well as supporting) the simple methods of locating by id or name attributes, and opens up all sorts of new possibilities such as locating the third checkbox on the page. 0 Since only xpath locators start with “//”, it is not necessary to include the xpath= label when specifying an XPath locator. 0 Absolute XPaths contain the location of all elements from the root (html) and as a result are likely to fail with only the slightest adjustment to the application. By finding a nearby element with an id or name attribute (ideally a parent element) you can locate your target element based on the relationship. This is much less likely to change and can make your tests more robust.
  • 13. Locating Elements 0 Locating Hyperlinks by Link Text: simple method of locating a hyperlink in your web page by using the text of the link. If two links with the same text are present, then the first match will be used. 0 Locating by CSS: CSS uses Selectors for binding style properties to elements in the document. These Selectors can be used by Selenium as another locating strategy. 0 Most experienced Selenium users recommend CSS as their locating strategy of choice as it’s considerably faster than XPath and can find the most complicated objects in an intrinsic HTML document.
  • 14. Matching Text Patterns 0 Like locators, patterns are a type of parameter frequently required by Selenese commands. 0 Examples of commands which require patterns are 0 verifyTextPresent, 0 verifyTitle, 0 verifyAlert, 0 assertConfirmation, 0 verifyText, and 0 verifyPrompt. 0 link locators can utilize a pattern. 0 Patterns allow you to describe, via the use of special characters, what text is expected rather than having to specify that text exactly.
  • 15. Landing Page
  • 16. Recording User Actions
  • 17. Save Test Case Script as HTML
  • 18. Inspecting Element in mozilla
  • 19. Extracting Element by css
  • 20. Executing Script by CSS.
  • 21. Extracting xpath
  • 22. Xpath by Xpath Checker Xpath is a very Helpful to validate Xpath on pages. In order to write xpath expressions we should look at the tree structure of html source code and based On the path for require element we should drive the xpath expression.
  • 23. /html/body/a - It will Identify all the elements are using a tag. /html/body/input - It will Identify all the elements are using input tag. /html/body/input[1] – It will Identify the first input tag under body. /html/body/a/img – xpath for a image present on a link. /html/body/table/tbody/tr[2]/td[1] – It will Identify the element which is present in 2nd tr contain 1st td inside tbody. /html/body/div//a – It will identify all “a” tag present in the all div present on html body.
  • 24. Generally we use xpath by position along with xpath by attribute. Ex- /html/body/input[@id=‘UN’] //input[@value=‘login’] //a[@href=‘’] //a[text()=‘Cuelogic’] – This xpath will identify the element by text “Cuelogic” //a[contains[text(), ‘Cuelogic’]] – This xpath will also identify the element by text “Cuelogic” but if their any spaces at beginning or at end it will consider it. //td[a] - “[ ]” denotes select all while “/” denote as parent to element path ignore all other elements in tree same Structure. Htmltag[@PN=‘PV’]
  • 25. Identify the Dependent and Independent Elements- Derived xpath expression for the dependent element from the common parent //tr[td[a[text()=‘Cuelogic’]]]/td[3]/input Write a xpath for independent element – //a[text()=‘Cuelogic’]
  • 26. Executing script by xpath
  • 27. Edit Script and find element by xpath
  • 28. Creating Suite
  • 29. Saving Suite
  • 30. A few tips 0 Saving a test suite does not save the test case. 0 Make sure that you save the test case every time you make a change and not just the test suite. 0 echo - The Selenese Print Command 0 Use Find button to see which UI element on the currently displayed webpage (in the browser) is used in the currently selected Selenium command. This is useful when building a locator for a command’s first parameter
  • 31. Selenium IDE – Limitations/Drawbacks 0 Firefox only 0 Can not Specify any condition Statement. 0 Can not Specify any Looping Statement. 0 Can not take external text data from External Resources such as XLS,XML or Database. 0 Handing Exceptions is not in scope. 0 Note:- To overcome the limitation of Selenium IDE we go for Selenium WebDriver.
  • 32. Selenium Web Driver 0 WebDriver is a tool for automating web application testing, and in particular to verify that they work as expected. 0 It aims to provide a friendly API that’s easy to explore and understand, easier to use than the Selenium-RC (1.0) API, which will help to make your tests easier to read and maintain. 0 It’s not tied to any particular test framework, so it can be used equally well in a unit testing or from a plain old “main” method.
  • 33. Selenium Web Driver – Browser Support Selenium-WebDriver supports the following browsers along with the operating systems these browsers are compatible with. 0 Google Chrome 0 Internet Explorer 0 Firefox 0 Opera 11.5+ 0 HtmlUnit 0 Android – 2.3+ for phones and tablets (devices & emulators) 0 iOS 3+ for phones (devices & emulators) and 3.2+ for tablets (devices & emulators)
  • 34. WebDriver & Selenium-Server Some reasons to use the Selenium-Server with Selenium-WebDriver. 0 You are using Selenium-Grid to distribute your tests over multiple machines or virtual machines (VMs). 0 You want to connect to a remote machine that has a particular browser version that is not on your current machine. 0 You are not using the Java bindings (i.e. Python, C#, or Ruby) and would like to use HtmlUnit Driver
  • 35. Install/Configure Webdriver with Eclipse.
  • 36. Creating Project
  • 37. Simple Architecture of WebDriver WEBDRIVER(i) Remote Webdriver Firefox Driver Chrome Driver Internet Explorer Driver Interface Protected class
  • 38. Selenium First Code
  • 39. Browser open by Webdriver.
  • 40. Methods:- “findElement” is a method of webdriver interface which is Use to identify required element in the application. This method takes an Object as an argument of type “By”. Locators:- Webdriver supports 8 types of locators to identify the Elements and all the locators will return the object of the type Webelements. Types of Locators:- 1. 2. 3. By.xpath(String xpathExpression) 4. By.cssSelector(String Selector) 5. By.linkText(String linkText) 6. By.partialLinkText(String linkText) 7. By.className(String className) 8. By.tagName(String Name)
  • 41. Locator Code:-
  • 42. Locator Code impact.
  • 43. Retrieving the value from application While doing validation we compare excepted result and actual result then we will report the status. Actual result will be taken from application during runtime. In order to do this we use following important Method. 1. getTitle() :- This method help us to retrieve the title of the webpage. 2. GetcurrentUrl():- This method will retrieve the current url from the address bar of the browser. 3. getAttribute(“value”) :- This is used to retrieve property value from the element present in the application. It is basically used to retrieve text from Textbox, password field, Address Field, Path of uploading file and button name. 4. isEnable() :- This method is used to check whether the specify elements enable or not. True indicates enable and false indicates disable. 5. isSelected() :- It is used to checked whether the specific checkbox or radio button is selected or not. 6. getText():- It is used to retrieve the text of the following element.
  • 44. Windows Handles
  • 45. Browser Operations 1. Navigate back to Previous Page:- driver.navigate().back(); 2. Navigate to the next Page:- driver.navigate().forward(); 3. Refresh Mehods :- driver.navigate().refresh(); Handling Frames
  • 46. Q: How do I execute Javascript directly? A: WebDriver driver; // Assigned elsewhere JavascriptExecutor js = (JavascriptExecutor) driver; js.executeScript("return document.title"); Q: The InternetExplorerDriver does not work well on Vista. How do I get it to work as expected? A:DesiredCapabilities capabilities = DesiredCapabilities.internetExplorer(); capabilities.setCapability(InternetExplorerDriver. INTRODUCE_FLAKINESS_BY_IGNORING_SECURITY_DOMAINS, true); WebDriver driver = new InternetExplorerDriver(capabilities); Q: Does WebDriver support Javascript alerts and prompts? A: // Get a handle to the open alert, prompt or confirmation Alert alert = driver.switchTo().alert(); // Get the text of the alert or prompt alert.getText(); // And acknowledge the alert (equivalent to clicking "OK") alert.accept(); //And to decline alert Alert.dismiss();
  • 47. Q: I need to use a proxy. How do I configure that? A: Proxy configuration is done via the org.openqa.selenium.Proxy class like so: Proxy proxy = new Proxy(); proxy.setProxyAutoconfigUrl("http://youdomain/config"); // We use firefox as an example here. DesiredCapabilities capabilities = DesiredCapabilities.firefox(); capabilities.setCapability(CapabilityType.PROXY, proxy); // You could use any webdriver implementation here WebDriver driver = new FirefoxDriver(capabilities); Q: WebDriver fails to start Firefox on Linux due to A: If, when running WebDriver on Linux, Firefox fails to start and the error looks like: Caused by: Invalid argument at Method) at at at org.openqa.selenium.firefox.internal.SocketLock.isLockFree( at org.openqa.selenium.firefox.internal.SocketLock.lock( It may be caused due to IPv6 settings on the machine. Execute: sudo sysctl net.ipv6.bindv6only=0
  • 48. Framework Execution Flow Keyword driver automation framework:-
  • 49. Selenium RC Selenium RC comes in two parts. A server which automatically launches and kills browsers, and acts as a HTTP proxy for web requests from them. Client libraries for your favorite computer language.
  • 50. References 0 0 Selenium and Section 508 by David Sills 0 0 Selenium Tutorial for Beginner/Tips for Experts 0 0 Get Test-Infected With Selenium 0 infected-with-selenium-2/ 0
  • 51. Books
  • 52. Thanks & enjoy the rest of the code camp 