QTP - Not just for GUI anymore

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  • 1. QTP: Not just for GUI anymore Prepared by: Igor Gershovich www.connectedtesting.com
  • 2.
    • The true beauty of QTP is that the only limitation is your imagination and ability to code in VBScript.
    • Ian Fraser
  • 3. Topics
    • Web Services
    • Telnet
    • FTP
    • XML
  • 4. Advantages using APIs
    • Accessing non-GUI applications via API directly:
      • Increases test execution speed
      • Reduces synchronization problems related to GUI window like Telnet, DOS CMD, PuTTY, Exceed, etc.
      • Allows execute scripts on locked boxes
      • No need for QTP add-ins
  • 5. Let’s talk about Component Object Model (COM) first
    • COM is used by developers to create reusable software components, link components together to build applications, and take advantage of Windows services.
    • The family of COM technologies includes:
    • COM+
    • Distributed COM (DCOM)
    • ActiveX Controls.
  • 6. COM methods and properties
    • COM properties and methods
      • Properties don’t take any arguments and can be read/write
      • value = object.property ( read )
      • object.property = value ( write )
      • Methods are read only if they returns value
      • value = object.method() ( returns value )
      • Set RS = Conn.Execute(“Select * From Tbl") (returns object)
      • Conn.Close ( returns no value)
      • tdc.Login “username", “psw" (method with parameters, returns no value)
  • 7. VBScript CreateObject function
    • CreateObject function creates and returns a reference to an Automation object
    • CreateObject( servername.typename [ , location] )
    • Example connecting to Quality Center (QC):
    • Set tdc = CreateObject ("TDApiOle80.TDConnection")
    • tdc.InitConnectionEx sServerName 'Connect
    • tdc.Login sUser, sPassword
    • tdc.Connect sDomain, sProject
  • 8. COM objects in Registry editor
  • 9. Resources:
    • Microsoft “COM: Component Object Model Technologies” www.microsoft.com/com/default.mspx
    • “COM for ASP Programmers” By Wayne Berry http://www.15seconds.com/Issue/971214.htm
  • 10. File Transfer Protocol (FTP)
  • 11. Using WinInet API for FTP
    • Windows WinINet.DLL enables applications to interact with the following protocols:
      • FTP
      • HTTP
      • Gopher
  • 12. WinInet FTP hierarchy
  • 13. FTP: File download steps
    • Open an FTP session with InternetOpen function. The function returns a session handle.
    • Connect to the host by calling the InternetConnect function using session handle. It returns a connection handle.
    • Call the FtpGetFile function to get the file.
    • Close the handles created in Steps 1 and 2, using the InternetCloseHandle function
  • 14. FTP: File download Script
  • 15. FTP: File download is successful
  • 16. ActiveX components (COM) for FTP
    • The are numerous ActiveX (COM) components for FTP free and not free:
      • by Chilkat Software www.chilkatsoft.com
      • by Easewe Software www.easewe.com
      • by X360 Software www.x360soft.com
      • by Dart Communications www.dart.com
      • etc.
  • 17. FTP: Download file using Chilkat’s ActiveX component (COM)
  • 18. Resources:
    • “ FTP your scripts” by Dani Vainstein
    • www.advancedqtp.com
    • “ Creating an FTP Component in Visual Basic”
    • By Jeff Niblack www.15seconds.com
  • 19. Telnet to Unix/Linux using COM objects
  • 20. A little bit of history
    • A while back I had to automate a Client/Server application and execute quite a few UNIX commands on a backend.
    • After trying several things, like PuTTY, TE Add-in, Exceed, etc.
    • Exceed worked decent enough, but it was a complicated solution. I had to use "Capture to File" feature and then parse the file.
    • After working with LoadRunner WinSock protocol for Telnet interface I start looking for WinSock (ActiveX) COM interface that can be used in QTP
    • The goal was to connect to Unix/Linux box bypassing external GUI applications and execute scripts on locked boxes. Another reason was that QTP has problems with GetVisibleText method.
  • 21. ActiveX components (COM) for Telnet
    • The are numerous ActiveX (COM) components for Telnet free and not free:
      • by Dimac Development www.dimac.net
      • EasyCom 3.1 www.sharewareconnection.com/ easycom .htm
      • by Dart Communications www.dart.com
      • etc.
  • 22. Dimac w3sockets DLL methods and properties
    •       COM Object - socket.tcp
    •     Buffer : String DoTelnetEmulation : Boolean Host : String TelnetEmulation : String TimeOut : Integer Close() : GetLine() : String GetText( len ) : String Open() : SendLine( Line ) : SendText( text ) : Wait() : WaitFor( Substring ) : Boolean WaitForDisconnect() :
  • 23. Dimac W3Socket API installation
    • You need to download W3Socket Dll to your location and register it using SocketReg.exe included in a zip file.
    • Note : Readme said that you need to download winsock2 also - ignore it.
    • The full W3Sockets reference is located:
    •   http://www.dimac.net/Products/FreeProducts/w3Sockets/Reference/Refstart.htm
  • 24. Example for Unix/Linux
    • The function on next slide:
      • connect to Unix/Linux box via Telnet
      • navigates to TestDirectory
      • executes “grep” command
      • returns “grep” results
    • You can also find more examples on Web:
      • http://www.tek-tips.com/viewthread.cfm?qid=938038&page=3
      • http://www.mediamonkey.com/forum/viewtopic.php?t=21124
  • 25.  
  • 26. W3Sockets API limitation
    • This API has a problem with SendLine method when sending over 80 characters.
  • 27. Web Services and XML
  • 28. Web Services architecture
  • 29. HP/Mercury Solutions for WebServices
    • The HP Service Test software – is a SOA testing solution that simplifies and accelerates the automated functional testing of SOA services. HP Service Test Management module plugs into Quality Center
    • QTP Web Services add-in
  • 30. Windows APIs for Web Services
    • HP Service Test and QTP Web Services Add-in are great solutions for comprehensive Web Services testing. However, the lightweight solution using Windows APIs works perfect in most cases.
  • 31. WinHTTP DLL
    • Microsoft Windows HTTP Services (WinHTTP) provides developers with a server-supported, high-level interface to the HTTP/1.1 Internet protocol.
    • WinHTTP WinHttpRequest COM object uses Winhttp.dll
  • 32. WinHttp.WinHttpRequest.5.1 Methods and Properties
    • Methods of WinHttp
    • Abort : Aborts a WinHTTP Send method.
    • GetAllResponseHeaders : Retrieves all HTTP response headers.
    • GetResponseHeader : Retrieves the HTTP response headers.
    • Open : Opens an HTTP connection to an HTTP resource.
    • Send : Sends an HTTP request to an HTTP server.
    • SetAutoLogonPolicy : Sets the current Automatic Logon Policy.
    • SetClientCertificate : Selects a client certificate to send to a Secure Hypertext Transfer Protocol (HTTPS) server.
    • SetCredentials : Sets credentials to be used with an HTTP server—either an origin or a proxy server.
    • SetProxy : Sets proxy server information.
    • SetRequestHeader : Adds, changes, or deletes an HTTP request header.
    • SetTimeouts : Specifies, in milliseconds, the individual time-out components of a send/receive operation.
    • WaitForResponse : Specifies the wait time, in seconds, for an asynchronous Send method to complete, with optional time-out value.
    • Properties of WinHttp
    • Option : Sets or retrieves a WinHTTP option value.
    • ResponseBody : Retrieves the response entity body as an array of unsigned bytes.
    • ResponseStream : Retrieves the response entity body as an IStream.
    • ResponseText : Retrieves the response entity body as a string.
    • Status : Retrieves the HTTP status code from the last response.
    • StatusText : Retrieves HTTP status text.
  • 33. ChangeMetricWeightUnit Web Service on-line http://www.webservicex.net/convertMetricWeight.asmx
  • 34. ChangeMetricWeightUnit Web Service WSDL
  • 35. Using Http.WinHttpRequest.5.1 for WebServices
  • 36. WinHttp.WinHttpRequest.5.1 snippet
    • ' WinHttp.WinHttpRequest.5.1 Object
    • Set oWinHttpReq = CreateObject("WinHttp.WinHttpRequest.5.1")
    • oWinHttpReq.Open "POST", sWebService_Url, False
    • oWinHttpReq.setRequestHeader "Content-Type", sContentType
    • oWinHttpReq.setRequestHeader "SOAPAction", sSOAPAction
    • 'Send SOAP request
    • oWinHttpReq.Send sSOAP_Request
    • 'Get XML Response
    • sXMLResponse = oWinHttpReq.ResponseText
  • 37. SOAP XML Response
  • 38. Off topic: Using WinHTTP for Web pages
  • 39. HTML Response
  • 40. Msxml2.DOMDocument
    • A DOM for XML is an object model that exposes the contents of an XML document
    • We use the XML DOM by creating an instance of an XML parser
    • CreateObject(“ Msxml2.DOMDocument ”) is the method to create an instance of the Parser object
    • Msxml2.DOMDocument COM object uses Msxml.dll
  • 41. XML Request file
  • 42. Using Msxml2.DOMDocument to load XML file
  • 43. Msxml2.DOMDocument Code Snippet
    • 'lMsxml2.DOMDocument
    • Set oInputXmlDoc = CreateObject("Msxml2.DOMDocument")
    • 'loadXML from file
    • oInputXmlDoc.load("C:XML_Files_DemoWeight_Conversion.xml")
    • 'Send SOAP request
    • oWinHttpReq.Send oInputXmlDoc
  • 44. QTP XML Objects
    • XMLUtil Object
    • XMLAttribute Object
    • XMLAttributesColl Object
    • XMLData Object
    • XMLElement Object
    • XMLElementsColl Object
    • XMLFile Object
    • XMLItemColl Object
  • 45. Example: Compare XML files using QTP objects
  • 46. Comparison results
  • 47. Resources:
    • MSDN http://msdn.microsoft.com/en-us/library/aa384109.aspx
    • Stefan Thelenius about Software Testing http://abouttesting.blogspot.com
    • QuickTest Professional Help file
  • 48. Igor Gershovich
    • E-Mail: [email_address]
    • Phone: 720-933-9395
    • www.connectedtesting.com