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Edit Comment Close Premium member Presentation Transcript Software Testing Automation Framework (STAF) : Software Testing Automation Framework (STAF) Open Source Testing System from IBM What is STAF? : What is STAF? An open source automation framework A remote test agent to control tests on multiple machines Designed around the idea of reusable components, called services Developed by IBM, made open source because of their use in Linux testing Supported Environments : Supported Environments Runs on most operating systems: Windows, Unix, AS/400, MVS The same services are available from a wide array of languages, including C/C++, Java, Perl, Tcl, Python and Rexx There is also a command line interface Basic Concepts : Basic Concepts Runs as a daemon process, called STAFProc, on each system Operates in a peer-to-peer environment; in other words, there is no client-server hierarchy Services : Services Services are reusable components that provide all the capabilities in STAF Provides a specific set of functionality (such as Logging) and defines a set of requests that it will accept STAFProc sends the requests to services as strings which describe the operation to perform Requests can be sent to services on the local machine or to another remote machine Handles and Queues : Handles and Queues Every process that accesses STAF does so through a handle A handle, combined with the machine name, uniquely identifies a particular process The combination of machine name and handle allows services to track requests from multiple processes on different machines Each handle has a priority-based message queue associated with it Applications receive messages sent from other processes/machines on their queue Variables : Variables STAF provides facilities to store and retrieve variables per handle, such as Configuration information Runtime/state information System environment information Live within the STAFProc daemon, which allows them to be dynamically updated After the update, applications referencing the variable will get the new value A global variable pool is common to all the processes on a machine Security : Security Security defined at the machine level, as opposed to using individual userids Numeric trust level can be assigned to specific machines Each service defines what trust level is required in order to use the various functions provided A simple numerical comparison is used to see if the request is authorized Types of Services : Types of Services Internal STAF Services The executable code for internal STAF services resides within STAFProc, which means they are always available and have a fixed name External STAF Services The executable code for external STAF services resides outside of STAFProc, for example in a Java jar file, a C++ DLL file, or a Rexx script file Custom STAF Services Note that you can also write your own custom services that can be plugged into STAF. All custom services are external services Some Services : Some Services Configuration File : Configuration File STAF is configured through a text file This file may have any name you desire, but the default is STAF.cfg You can alter many aspects of STAF's behavior Specify the network interfaces Define operational parameters Define global variables Specify security access Define Startup/Shutdown notifications Enable and configure tracing Register and configure external services Configuration File : Configuration File Grant access with trust levels TRUST LEVEL 5 MACHINE officeTRUST LEVEL 0 MACHINE badguyTRUST DEFAULT LEVEL 1 External service registration SERVICE MONITOR LIBRARY STAFMonSERVICE SAMPLEJ LIBRARY JSTAF \ EXECUTE C:/STAF/services/Sample.jar \ OPTION "J2=-cp C:/MyJava/Extra.zip" \ PARMS {STAF/Config/STAFRoot}/bin/sample.dftSERVICE EVENT LIBRARY JSTAF \ EXECUTE C:/STAF/services/STAFEvent.jarSERVICE NOTIFY LIBRARY Notify PARMS "HOURS 24 DAYS 7" Registering Services Dynamically : Registering Services Dynamically You may also register and unregister services dynamically, without needing to shutdown and restart STAF ADD SERVICE Log LIBRARY STAFLogADD SERVICE MyDevice LIBRARY PLSTAF EXECUTE mydev.plADD SERVICE STAX LIBRARY JSTAF EXECUTE STAX.jarREMOVE SERVICE STAX Service Loaders : Service Loaders External services whose purpose is to load other services on-demand They dynamically register the service when a request is made A default service loader service (STAFDSLS) is shipped with STAF. It knows how to dynamically load the Log, Monitor, and ResPool services. This service will automatically be configured serviceloader Library STAFDSLS Simple Test Cases : Simple Test Cases Can run Test Cases which are completely unaware of STAF You can start using your existing test cases with STAF without making any changes to the test cases You aren't required to use any STAF services You aren't required to call any STAF APIs You can choose when/if you enable STAF in your test cases staf local process start shell command"perl SimpleTestcase.pl" STAF Enabled Test Cases : STAF Enabled Test Cases You can leverage STAF in your test cases by making calls into services For all of the supported STAF languages, you can do the following Register with STAF Submit any number of calls into services Optionally unregister with STAF STAF Support for Perl Test Cases : STAF Support for Perl Test Cases STAF::Register Allows you to register with STAF (procedural) STAF::Submit Allows you to submit requests to STAF (procedural) STAF::UnRegister Allows you to unregister with STAF (procedural) STAF::STAFHandle Object to call into STAF (object-oriented) new - Creates a handle that registers with STAF submit - Same as STAF::Submit but different calling convention unRegister - Same as STAF::UnRegister but different calling convention STAF::WrapData This function takes a string and produces the colon-length-colon delimited version of that string. This function is widely used to pass the values of options in STAF requests. Writing Custom Services : Writing Custom Services Written in Perl, Java, C++ or REXX Perl services since version 3.0 beta 4 Life cycle of service: STAX Service : STAX Service A test harness and test execution language with an XML based grammar Provides a powerful GUI monitoring application The language has a number of unique logic primitives Parallel iterate command: each iteration is run concurrently in a separate thread Three types of STAX machines STAX/Event Service Machine Monitoring/Requesting Machine Execution Machines Perl STAF Service Basics : Perl STAF Service Basics Most services are comprised of a single script filepackage MyDevice;use PLSTAFService;use 5.008;use threads;use threads::shared; Each service requires a unique package name Only works with Perl 5.8 or later Threads and shared threads allow requests to modify data without corruption Perl STAF Service Initialization : Perl STAF Service Initialization Must implement the init sub Register the service Process service parameters Create a directory for persistent service data Create command parsers our $fhandle;sub init { my $name = $_{serviceName}; $fhandle = STAFHandle->new("STAF/Service/$name"); . . .} Perl STAF Service Parsers : Perl STAF Service Parsers During initialization, a command parser is created for each request the service accepts such as LIST, ADD, QUERY ->new()creates the parser ->addOption($name, $max, $valueRequirement)to add options to parser ->addOptionGroup($optionNames, $min, $max)to specify mutually exclusive option groups ->addOptionNeed($needers, $needees)to specify option dependency relationships Perl STAF Service Accept Requests : Perl STAF Service Accept Requests Requests are handled by acceptRequest sub A hash is passed with the request values The service then defines handleCommand methods for each request type Each handler should check the trust level to validate that the requesting machine has access to the method The handler method can then parse the request and return the result STAF 3.0 In Beta : STAF 3.0 In Beta STAF 3.0 Send Variables Across the Network Inform on Garbage Collected Handles Communication Interface Enhancements User-level Security Multiple copies of STAF on same machine Secure connections with OpenSSL You do not have the permission to view this presentation. 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software testing automation framework pii aSGuest808 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 1216 Category: Product Traini.. License: All Rights Reserved Like it (0) Dislike it (0) Added: October 13, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: wmravel (29 month(s) ago) Hi, not able to veiw the PPT. Saving..... Post Reply Close Saving..... Edit Comment Close By: wmravel (29 month(s) ago) Hi, Not able veiw the ppt. Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Software Testing Automation Framework (STAF) : Software Testing Automation Framework (STAF) Open Source Testing System from IBM What is STAF? : What is STAF? An open source automation framework A remote test agent to control tests on multiple machines Designed around the idea of reusable components, called services Developed by IBM, made open source because of their use in Linux testing Supported Environments : Supported Environments Runs on most operating systems: Windows, Unix, AS/400, MVS The same services are available from a wide array of languages, including C/C++, Java, Perl, Tcl, Python and Rexx There is also a command line interface Basic Concepts : Basic Concepts Runs as a daemon process, called STAFProc, on each system Operates in a peer-to-peer environment; in other words, there is no client-server hierarchy Services : Services Services are reusable components that provide all the capabilities in STAF Provides a specific set of functionality (such as Logging) and defines a set of requests that it will accept STAFProc sends the requests to services as strings which describe the operation to perform Requests can be sent to services on the local machine or to another remote machine Handles and Queues : Handles and Queues Every process that accesses STAF does so through a handle A handle, combined with the machine name, uniquely identifies a particular process The combination of machine name and handle allows services to track requests from multiple processes on different machines Each handle has a priority-based message queue associated with it Applications receive messages sent from other processes/machines on their queue Variables : Variables STAF provides facilities to store and retrieve variables per handle, such as Configuration information Runtime/state information System environment information Live within the STAFProc daemon, which allows them to be dynamically updated After the update, applications referencing the variable will get the new value A global variable pool is common to all the processes on a machine Security : Security Security defined at the machine level, as opposed to using individual userids Numeric trust level can be assigned to specific machines Each service defines what trust level is required in order to use the various functions provided A simple numerical comparison is used to see if the request is authorized Types of Services : Types of Services Internal STAF Services The executable code for internal STAF services resides within STAFProc, which means they are always available and have a fixed name External STAF Services The executable code for external STAF services resides outside of STAFProc, for example in a Java jar file, a C++ DLL file, or a Rexx script file Custom STAF Services Note that you can also write your own custom services that can be plugged into STAF. All custom services are external services Some Services : Some Services Configuration File : Configuration File STAF is configured through a text file This file may have any name you desire, but the default is STAF.cfg You can alter many aspects of STAF's behavior Specify the network interfaces Define operational parameters Define global variables Specify security access Define Startup/Shutdown notifications Enable and configure tracing Register and configure external services Configuration File : Configuration File Grant access with trust levels TRUST LEVEL 5 MACHINE officeTRUST LEVEL 0 MACHINE badguyTRUST DEFAULT LEVEL 1 External service registration SERVICE MONITOR LIBRARY STAFMonSERVICE SAMPLEJ LIBRARY JSTAF \ EXECUTE C:/STAF/services/Sample.jar \ OPTION "J2=-cp C:/MyJava/Extra.zip" \ PARMS {STAF/Config/STAFRoot}/bin/sample.dftSERVICE EVENT LIBRARY JSTAF \ EXECUTE C:/STAF/services/STAFEvent.jarSERVICE NOTIFY LIBRARY Notify PARMS "HOURS 24 DAYS 7" Registering Services Dynamically : Registering Services Dynamically You may also register and unregister services dynamically, without needing to shutdown and restart STAF ADD SERVICE Log LIBRARY STAFLogADD SERVICE MyDevice LIBRARY PLSTAF EXECUTE mydev.plADD SERVICE STAX LIBRARY JSTAF EXECUTE STAX.jarREMOVE SERVICE STAX Service Loaders : Service Loaders External services whose purpose is to load other services on-demand They dynamically register the service when a request is made A default service loader service (STAFDSLS) is shipped with STAF. It knows how to dynamically load the Log, Monitor, and ResPool services. This service will automatically be configured serviceloader Library STAFDSLS Simple Test Cases : Simple Test Cases Can run Test Cases which are completely unaware of STAF You can start using your existing test cases with STAF without making any changes to the test cases You aren't required to use any STAF services You aren't required to call any STAF APIs You can choose when/if you enable STAF in your test cases staf local process start shell command"perl SimpleTestcase.pl" STAF Enabled Test Cases : STAF Enabled Test Cases You can leverage STAF in your test cases by making calls into services For all of the supported STAF languages, you can do the following Register with STAF Submit any number of calls into services Optionally unregister with STAF STAF Support for Perl Test Cases : STAF Support for Perl Test Cases STAF::Register Allows you to register with STAF (procedural) STAF::Submit Allows you to submit requests to STAF (procedural) STAF::UnRegister Allows you to unregister with STAF (procedural) STAF::STAFHandle Object to call into STAF (object-oriented) new - Creates a handle that registers with STAF submit - Same as STAF::Submit but different calling convention unRegister - Same as STAF::UnRegister but different calling convention STAF::WrapData This function takes a string and produces the colon-length-colon delimited version of that string. This function is widely used to pass the values of options in STAF requests. Writing Custom Services : Writing Custom Services Written in Perl, Java, C++ or REXX Perl services since version 3.0 beta 4 Life cycle of service: STAX Service : STAX Service A test harness and test execution language with an XML based grammar Provides a powerful GUI monitoring application The language has a number of unique logic primitives Parallel iterate command: each iteration is run concurrently in a separate thread Three types of STAX machines STAX/Event Service Machine Monitoring/Requesting Machine Execution Machines Perl STAF Service Basics : Perl STAF Service Basics Most services are comprised of a single script filepackage MyDevice;use PLSTAFService;use 5.008;use threads;use threads::shared; Each service requires a unique package name Only works with Perl 5.8 or later Threads and shared threads allow requests to modify data without corruption Perl STAF Service Initialization : Perl STAF Service Initialization Must implement the init sub Register the service Process service parameters Create a directory for persistent service data Create command parsers our $fhandle;sub init { my $name = $_{serviceName}; $fhandle = STAFHandle->new("STAF/Service/$name"); . . .} Perl STAF Service Parsers : Perl STAF Service Parsers During initialization, a command parser is created for each request the service accepts such as LIST, ADD, QUERY ->new()creates the parser ->addOption($name, $max, $valueRequirement)to add options to parser ->addOptionGroup($optionNames, $min, $max)to specify mutually exclusive option groups ->addOptionNeed($needers, $needees)to specify option dependency relationships Perl STAF Service Accept Requests : Perl STAF Service Accept Requests Requests are handled by acceptRequest sub A hash is passed with the request values The service then defines handleCommand methods for each request type Each handler should check the trust level to validate that the requesting machine has access to the method The handler method can then parse the request and return the result STAF 3.0 In Beta : STAF 3.0 In Beta STAF 3.0 Send Variables Across the Network Inform on Garbage Collected Handles Communication Interface Enhancements User-level Security Multiple copies of STAF on same machine Secure connections with OpenSSL