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Rational® Performance Test Server
Tester Guide
This guide describes the tasks that you can perform for testing various domains, technologies, and applications. To enable testing, you must configure and enable the environment for testing.
Tester Guide - Integration Testing
This guide describes the tasks that you can perform for testing various domains, technologies, and applications. To enable testing, you must configure and enable the environment for testing. This guide is intended for Integration testers.
Extending Rational® Integration Tester functionality by using custom functions
You can add more calculations and operations to tests by using the Rational® Integration Tester custom function class. Rational Integration Tester custom function is a Java™ class that extends the com.ghc.ghTester.expressions function.
Exposing the function
You can use your own function with the function extension that consists of a number of attributes that describe the function (for example, name) and the class that implements the function.
Configuring an extension element
You can configure an extension element.

Rational® Performance Test Server
- Release Notes
  This document contains information about What's new, installation, known issues, and contact information of IBM Support.
- System Requirements
  This document includes information about hardware and software requirements for IBM® Rational® Performance Test Server.
- Getting Started
  This guide provides an overview and describes the tasks to get you started with IBM® Rational® Performance Test Server.
- Administrator Guide
  Typically, a user with the administrator role is responsible for certain tasks including installation, configuration, and integration of the product. This guide lists all such topics.
- Tester Guide
  This guide describes the tasks that you can perform for testing various domains, technologies, and applications. To enable testing, you must configure and enable the environment for testing.
  - Tester Guide - Performance Testing
    Typically, a user with the Integration Tester role is also responsible for performance testing. This guide lists all such topics.
  - Tester Guide - Integration Testing
    This guide describes the tasks that you can perform for testing various domains, technologies, and applications. To enable testing, you must configure and enable the environment for testing. This guide is intended for Integration testers.
    - Integration Testing
      You can use find information about the tasks that you can perform for testing various domains, technologies, or applications.
    - Extending Rational® Integration Tester functionality by using custom functions
      You can add more calculations and operations to tests by using the Rational® Integration Tester custom function class. Rational Integration Tester custom function is a Java™ class that extends the com.ghc.ghTester.expressions function.
      - The formatDate example for a custom function
        You can learn about creating a custom function by using an example. The example shows how to build a function, called formatDate, that parses a string-based date representation and returns it in an alternative format.
      - Create the plug-ins in Eclipse
        Rational® Integration Tester recognizes functions that are packaged as Eclipse plug-ins. You can create a plug-in and register it as a function in Rational Integration Tester from an Eclipse IDE.
      - Implementing the function class
        If you have a function that is written for Rational® Integration Tester 8.5, you can convert it to work in Rational Integration Tester 8.6 or later.
      - Exposing the function
        You can use your own function with the function extension that consists of a number of attributes that describe the function (for example, name) and the class that implements the function.
        Creating an extension
        You can create an extension in the plug-ins manifest.
        Configuring an extension element
        You can configure an extension element.
        Generating the plug-in
        Once the plug-in and class are created, they must be packaged. The plug-in must be generated to enable Rational® Integration Tester to pick it up (similar to generating a JAR).
        Adding external libraries
        You can add external libraries.
      - Configuring the function in Rational® Integration Tester
        After the function is developed and a plug-in is generated, you should communicate that to Rational® Integration Tester by configuring the function.
      - Creating a function plug-in without Eclipse
        You can use Eclipse IDE to easily create the plug-ins. Alternatively, you can build a function by using the Sun Java™ 6 SDK.
      - Converting existing function classes with Eclipse
        If you have an existing function that is written for Rational® Integration Tester 4, you can use Eclipse to convert the function for use with Rational Integration Tester 5 or later.
      - Converting existing function classes without Eclipse
        You can convert functions that were written for Rational® Integration Tester 4 to work with 5 or later, without Eclipse.
    - Working in non-GUI mode
      You can use the tools and executable files that are provided along with the product software. You can use these tools to perform different test actions in a non-GUI mode.
- Security Considerations
  You can take certain actions to ensure that your installation is secure, customize your security settings, and set up user access controls.
- Notices
  This document provides information about copyright, trademarks, terms and conditions for product documentation.

Configuring an extension element

You can configure an extension element.

About this task

To configure an extension element, perform the following steps:

Procedure

Complete the fields in the Extension Element Details as described in the following table:


Field	Value
name	The name of the function. For example, `formatDate`.
displayName	The name under which the function is displayed in the Functions menu. For example, `Format Date`. To place the function under a specific submenu, prefix the display name with the name of the submenu and a forward slash / character. For example, `Custom/Format Date` places the function under a Custom submenu. Any number of submenus is permitted by using the same naming format.
syntax	The syntax of the function. For example, `formatDate(date, inputFormat [, outputFormat])]`.
functionClass	The class that performs the work of the function. This class must be a fully qualified class name that extends from com.ghc.ghTester.expressions.Function. With Eclipse, you can enter the name manually or search for it using the Browse button.
minParameters	The minimum number of parameters to pass to the function. For example, `2`.
maxParameters	The maximum number of parameters to pass to the function. For example, `3`. Entering `-1`, indicates that there is no maximum and any number of arguments that is greater than or equal to minParameters is accepted.

Save the file when finished.
Note: Failing to save the file causes the next steps in the process to fail.