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Use the Regression suite automation tool (RSAT)

This article explains how to load test cases from Azure DevOps, generate automation files, modify test parameters, run and investigate results, and save your work back to Azure DevOps.

Load test cases and create automation files

In RSAT, select the Test Plans tab and then select Load to download test cases and test case automation files. All test cases (and their corresponding attachments) belonging to the test plan specified in the Settings tab are downloaded to the local working directory.

Load test cases.

Test cases are organized by test suites under a common test plan. These are test suites you created in your Azure DevOps project. Using this tool, you can work with one test suite at a time.

If the tool fails to load any test case, verify that your test plan in Azure DevOps is properly created and contains the desired test suites and test cases.

If this is the first time you're using this test plan, the Parameters File column is blank. You must create test automation files for your test cases.

A test case requires the following attachments for successful execution:

  • A recording file: This is the recording file created by the finance and operations Task recorder. It defines the steps of your test case. It's typically named recording.xml or but you can also name it to match the test case title in Azure DevOps. It's attached to the test case in Azure DevOps and downloaded into the attachment folder of the local working directory of the test case.
  • Test automation files consisting of a test parameter file (Microsoft Excel file) containing configurable test case parameters and test execution files: These files are generated by RSAT to enable automated execution of the test recording. Filenames are suffixed by _Base.cs, _Base.xml, and _Base.dll.

Selecting the Generate button after a recording file is available with the test case generates test automation files in your working directory. If the test case doesn't already have an Excel test parameter file, it's created and appears in the grid under Parameters File. Existing parameter files aren't affected.

To generate only test execution files, without affecting your parameter files, select Generate > Generate Test Execution files only.

Selecting Generate > Generate Test Execution and Parameter files generates both test automation files and a new Excel parameter file in your working directory. This option is useful after you upload a new recording file that has changed steps, because it creates a new parameter file that has matching steps.

List of test cases that were loaded.

You must generate test execution files when you install a new version of the tool, and when you modify or load a new version of the recording file. In this way, you update your execution files but also preserve the test parameter files.

Generate Test Execution files only menu item.

Modify test parameters

This section describes how to modify Excel files to specify input and validation parameters for your test run. Select one or more test cases to modify, and then select the Parameters button (Microsoft Excel symbol) on the toolbar. An Excel window opens for each test case that you selected. Alternatively, you can open the Excel files directly from the working directory.

In addition to the General tab, the Excel parameter file contains a MessageValidation tab and a TestCaseSteps tab.

Select the TestCaseSteps tab to configure input and validation parameters of your test case. Input and validation parameters are placed directly next to their corresponding test case step, enabling test authors with context and a simple experience. When you modify parameters, it's clear what steps of the test case you're affecting. You can enter values or formulas in context. Color coding differentiates input parameters from validation steps.

Test case steps.

Reusable variables that are copied while recording the test case are also shown in context of the test case step. You can easily locate a variable and copy it to use in subsequent steps and formulas. For more information, see Copy variables to chain test cases.

Test case steps variables.

Save the Excel files when you're done making edits, and make sure that you then select Generate to create new execution files that have the new parameters.

Run a test as a specific user

By default, tests are executed using the admin role. If you want to run the test as a specific security role, specify the email address of a user under the Test User parameter in the General tab of the Excel parameter file. The Test User must be a valid user of the environments you're connecting to. The test runs under the security roles that the specific user belongs to. You need version 1.200 or newer for this feature to be functional.

General tab of the Excel parameter file.

Run a test in the context of a specific company

The General tab of the Excel parameter file also allows you to specify the name of a legal entity (Company). The test runs in the context of this company. You can specify your default company in the Settings dialog box of the tool.

Pause after a specific test step

You can insert a pause between specific test steps. Navigate to the TestCaseSteps tab of the Excel parameters file and insert a value (in seconds) in the pause column of a test step. This pauses test cases execution after the test step is completed.

Pause set for Customer account field.

If you don't see the Pause column, you're using an older version of the Excel parameters file and need to regenerate it. Select the desired test case, and then select Generate > Generate Test Execution and Parameter files. This may override edits you have made to the parameters file, so you should back up the existing Excel file first.

Other notable test case execution settings

You may find the following settings useful. They are available on the General tab of the Excel parameter file.

  • Fail on warning message in the Infolog: By default, test cases fail when an error occurs or a validation step fails. If you also want a test case to fail in response to a warning message, set the Fail on warning message in the Infolog option to True . This is useful, for example, if a test case adds a duplicate customer record. The default setting is False.
  • Abort test suite execution on failure: If you set the Abort test suite execution on failure option to True, execution of the test suite is aborted if the test case fails. All the remaining test cases have a status of Not Executed. The default setting is False.
  • Pause between steps: The number of seconds to pause between test steps. This affects every test step. The default value is 0 (zero).

Infolog and message validation

Excel parameter files that are generated using version 1.200 or newer contain a MessageValidation tab.

You can enter messages in this tab under Message Validation. After a test case completes execution, it validates that the messages specified here appear in the Infolog. The test case fails if these messages are not found.

You can specify any expected messages including error messages. Any message specified in this section causes a test case to fail unless it's found in the Infolog during execution. Two operators are available: Equals and Contains. If you use Equals, then RSAT performs a string comparison with all messages in the Infolog and fails validation if the full message is not found. If you use Contains, then RSAT validates that at least one message in the Infolog contains the string you specify.

Message validation example.

You can configure whether string comparison is case sensitive or not in the Optional page of the Settings tab.

Run

Select Run to execute the selected test cases. Only test cases with existing automation files can be run. The tool opens and runs these tests with the data you entered in Excel.

You can modify the order in which test cases are executed using the up and down arrow buttons.

Pause prior to a test case run

You can add a pause before a test case starts execution. If you want to pause, update the cell Pause (seconds) on the General tab of the Excel parameters file of the desired test case.

Stop a run

When a test run is in progress, you can select the Stop button on the toolbar to cancel the run. Execution stops after the currently running test case is completed. The remaining test cases are marked as Not Executed in Azure DevOps.

Validate readiness of test automation files

Optionally, you can turn on a setting that validates whether your test cases are ready for execution. This setting prevents unknown errors related to the validity of recordings and test automation files. This option is available as of RSAT version 1.210. You can enable this by selecting the Settings tab and then selecting the Optional tab.

Setting for Enable local file validation rules.

When enabled, a background process continuously validates the following for each test case.

  • The local working directory exists.
  • The Excel parameter file exists.
  • Test automation files (binary and Xml files) needed for execution exist.
  • Test automation files are compatible with current version of RSAT. You must regenerate test automation files when you install a new version of RSAT.
  • Test case ID specified in the Excel parameter file matches the test cases ID in Azure DevOps.

The Valid column in the grid indicates the result of the validation process. If validation fails, click on the X in the Valid column to view the error and recommended action.

Valid column grid.

Investigate results

When all test cases complete execution, Pass or Fail is populated in the Result column. You can click on the result to see error messages.

Additional investigation details are available in Azure DevOps. To view this information, from your Azure DevOps project page, go to Test > Runs.

Test results.

Select the desired test run. It includes the results of all tests that were executed during that run.

Outcome pie chart.

Results for each test.

You can open a failed test result and review the ErrorMessage section for information about the failure.

Error message information.

All error messages are also available locally under C:\Users\$YourUserName\AppData\Roaming\regressionTool\errormsg-<TestCaseId>.txt.

Test response times

In addition to execution logs, the duration of a test case is also available in the test result.

Duration of a test case.

You can also review the response time of each step of the test case by opening the BaseTime.xml file attached to the test result.

Response time file.

You need version 1.200 or newer for response times to be available.

Upload to Azure DevOps to commit your work

To commit your work to Azure DevOps, select Upload. This uploads recordings and test automation files, including Excel test parameter files, of all selected test cases to Azure DevOps for future use. After test automation files are uploaded to Azure DevOps, the next time you use the Regression suite automation tool, even from a different computer, you can use Load and then Run, without generating test execution files or editing Excel parameter files.

In the upload menu, you also have the option to upload recording files (Task recordings) only.

If you're unsure what test cases to select, and you want to commit all changes (since last load) to Azure DevOps, select Upload all modified automation files in the upload menu.

Process compliance

RSAT provides capabilities for managing the readiness of test cases. It also provides a signoff process for test runs. This is configurable in the Process tab under Settings.

Process compliance file.

Enforce test case readiness

You can set up the test case so that it isn't run unless it has a status of Ready in Azure DevOps. Select the Enforce test case readiness check box. By default, the check box is cleared.

Signoffs

When your test run is complete, RSAT can create signoff work items in Azure DevOps. Select the Sign-off tasks check box. Then set the type of work item that should be created for each person who signs off. You can select the Functional, IT Manager, or Team Manager role for signoffs, and then specify appropriate email addresses. Work items are then created in Azure DevOps and assigned to owners for approval.