Config Remove Command Step in Step Wizard
A Config Remove command removes an IxLoad test configuration element.
To add a Config Remove command step using the GUI scripting support:
Select a Config Remove step type, click thebutton to validate the selection, and specify the following parameters:
Select a Config Remove step type, click thebutton to validate the selection, and specify the following parameters:
- Run Type: A Config Remove step can be executed sequentially (Sequential) or in parallel (Parallel) with other steps.
- Delay: A delay specifying by how much step start is delayed. A delay value is automatically set when the step is added using the Capture functionality.
- Timeout: A period of time after which the step execution is considered to have timed out.
- Ignore step: When this option is selected, the step is skipped at execution time. Selecting this option is equivalent to right-clicking a step in the Test Steps table and choosing the Exclude command from the context menu that appears.
- Description: An optional step description can be associated with a step.
Click Next.
Define the Conditional Execution settings as explained below.Conditional Execution settings enable you to define the system conditions a test step execution is monitored for. When such a predefined condition occurs a step error or a step timeout an user-defined procedure is executed and an additional action is performed. For example, on encountering a step error, you could enforce the execution of a cleanup procedure and then terminate the test.
To monitor the step for a predefined Timeout or Error condition, select the corresponding condition, then define the associated procedure local or shared (external) by clicking the
control of the Procedure field and selecting a procedure from the the drop-down pane that appears.
For the selected procedure you can view its defined arguments by clicking the
control of the Input Arguments field, which displays a cascading table-format pane containing the argument list. To specify the actual runtime argument(s) enter the desired values in the Current Value field(s).
Configure an additional action by clicking into additional actions column and selecting either of the following options:
- Continue: After performing the specified procedure, the test execution continues.
- Exit Test: After performing the specified procedure, the test execution is terminated.
Click Next.
Whenever the step execution is monitored for predefined events, an
icon is displayed in the step's corresponding Events selected column entry. For information on turning on the displaying of the Events selected column refer to Customizing the Script Steps Table Layout.
Specify the following command parameters:
- Session: The Built-In Event session type.
- Return variable: No return variable needs to be configured for this command.
- Command string: The
Configuration Remove
command. Click thebutton and configure the command parameters using the GUI shown in Figure:Config Remove GUI. The following parameters are populated:
- select: An X-Path expression that selects the element instance(s) that is to be removed.
In addition to the X-Path notation, the select statement also supports the notation that is used by the IxLoad Tcl API, whereby a configuration element is specified using an expression composed of the tree path, an ":" string, and an element index. For example, the "/traffic/trafficItem[2]" expression could be rewritten using the "/traffic/trafficItem:6" specifier, which illustrates the fact that the X-Path index and the Tcl API index referencing an entity of a configuration element are not necessarily the same.
Verify the step summary information and revert to a previous configuration step if needed. Click Finish.Example:
Assuming we had the following Config Remove command:
Config Remove Built-In Event Configuration Remove
sselect="/ixload/repository/test[1]/scenario[2] "
this would remove the second port that is configured in the IxLoad test.
When attempting to remove a configuration element based on its index in the list of elements, pay attention not to reference an element that was removed otherwise, for example from the IxLoad GUI. For example, assuming your test contains 3 traffics and you remove traffic with index 2, the remaining traffic elements can then be referenced by indices 1 and 2 respectively, while element with index 3 is no longer existing. As such, attempting a remove operation on this element will generate an execution error.
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