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DevTest Solutions - 10.4
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Using the SDK

Last update July 2, 2015

DevTest Solutions allows you to customize many of the application functions. This section describes how to extend DevTest functionality through the Software Development Kit (SDK).

Examples and API Documentation

The following file contains the examples that are referenced in this guide: examples.zip

The SDK JavaDocs file contains the API documentation. The SDK JavaDocs are available in the docs folder of your installation directory.

The Integration API

DevTest provides an integration Application Programmer Interface (API) that lets you manage test execution within Java-based server-side components. This section details the basic concepts central to the integration API.

Integration API Concepts

DevTest Solutions provides a powerful framework for testing server-side components. However, if a test fails, the framework provides little information about why the test failed. Although the component under test often calculates information that is of interest to the tester, this information is difficult to retrieve.

The integration API provides several elements for getting information out of server-side components. These elements include:

  • Integrators: The application-specific Java classes that coordinate communication with the running test. For example, an EJB Integrator informs an EJB component whether integration is turned on. For more information about integrators, see Integrating Components.
  • TransInfo Class: Abbreviation for Transaction Information. The integrated component uses this class to indicate testing events, such as a test failure or success. For more information about using the TransInfo class, see Integrating Components.
  • HasLisaIntegrator Interface: Implemented by object types that are returned by methods that are integrated using Java-based integrators. These object types provide the running test with the information it needs about how the test has changed while testing the component. For more information about implementing the HasLisaIntegrator interface, see Constructing a Response Object.
  • Integration Filters: Application-specific DevTest filters that coordinate communication with the integrated component. For example, the Servlet Filter turns on integration support for a servlet component and specifies a node to execute if the servlet returns specific values. For more information about integration filters, see Integration Filters.
  • Integration Assertions: Special assertion elements that take advantage of the additional information that integrated server-side components provide. For example, a Check Integrator Response assertion can set the next test step based on the build status reported by the integrated component. For more information about integration assertions, see Integration Assertions.

Integration Flow

The integration flow includes the following steps.

  1. The test case developer adds an application-specific integration filter to a test case. When the test is run, the filter turns on integration support for the type of application indicated. For example, the test case developer adds a Servlet Filter to test an integrated servlet.
  2. When the server is invoked, test-enabled server components use the application-specific integrator class and the TransInfo class to establish the communication with the running test case. For example, if a servlet fails in some way, it can call TransInfo.setBuildStatus() to note the failure to DevTest. For more information about the TransInfo class, see the JavaDocs in the doc folder of your installation directory.
  3. The filter automatically processes responses from the system-under-test. The filter logs important information and processes any commands from the tested component.

The Integration Process

To integrate to the DevTest integration API:

  1. Make sure lisa-int-release#.jar is in your classpath.
    You can find lisa-int-release#.jar in the LISA_HOME\lib\core directory.
  2. Add DevTest integration to the method.
    For more information about integrating into a server-side component, see Integrate Server-Side Components.
  3. Handle the output from the integrated method.
    For more information about handling integrated output, see Handle Integrated Output.
  4. Use integration filters in the test case that tests the server-side component.
    For more information about integration filters, see  Integration Filters.
  5. Use integration assertions in the test case that tests the server-side component.
    For more information about integration Assertions, see  Integration Assertions.
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