User Acceptance Testing (UAT)

5 min read

by George Wilson on 20th February 2023

A step-by-guide to User Acceptance Testing. 5. Preparation and Initiation

Preparation and Initiation

There are many things to consider in developing a plan; this covers the majority of considerations but may vary from project to project.

Understand and capture business processes

  • Know how the business operates to be able to test a change in an area. Is this information to be gained via documentation or key users?
  • The business processes may change, and as the UAT is implemented in a separate environment, you will need to know the new business process changes, including inputs, outputs, and outcomes.
  • You may want to document this understanding and associated data capture using a classic structure. However, the downside of this is it does not lend itself to multiple scenarios. In this case, you will need to support any process definition with the required data variations, both for input and output.
  • If the project is largely revisions and additions to an already existing system, you may want to capture the existing process from production if the knowledge is not already available. You can use this to create text-style instruction cases or even how-to videos, which users can refer to alongside data scenarios.
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The UAT management tool should be used here to provide a) a repository for these assets and b) the ability to organize and hence reuse them.

  • How realistic is this approach?
  • What are the risks?
  • Where are the compromises?
  • Get feedback from product teams, business users and stakeholders for the time process.

Create or adapt test cases.

It is important to look at Test Case coverage, identifying if you have covered all the processes and scenarios that need to be tested. This analysis is critical and may require considerable input from business users to create.

Some organizations opt to delegate this task entirely to the users, which is often the best route; however, if you take this approach, you will need inspection and reconciliation to ensure that you have achieved the necessary coverage level.

Check coverage

Two simple things you’ll need to consider for the coverage:

  1. Do the test cases provide full coverage of the test scope?
  2. Maintain traceability between changes/requirements and test cases

Detail in test cases may vary

It is possible to perform effective UAT with very lightweight cases, but this depends on the system knowledge level of the users performing tests. If you don’t require extensive detail, there is no reason to put it in the test case.

Historically, detailed test cases and scripts also helped define what the tester was doing, so any issues could be described in the context of that series of events. Modern UAT, however, uses capturing technology to show precisely what the user was doing and document their concerns and feedback.

Regardless of the approach, your UAT will take, test cases have become valuable assets that we want to reuse; hence, they need to be stored and organized to support that.

Things to consider

  • Organize test case repository and classification.
  • Depending on who is preparing test cases, what help and guidance do they need?
  • Amend existing test cases, if available, to match the changes/requirements
  • Create test cases where they are needed
  • Consider the sequence and dependencies

Create test scripts

The same principles outlined for test cases apply to any scripts that take instructions to the next level. The coverage and level of detail in relation to the skills and knowledge of the persons executing the tests. A purpose-designed organizational repository that makes scripts accessible, maintainable, referenceable, and reusable is fundamental for increasing organizational efficiency and avoiding frustration.

Things to consider

  • Create a standard script template if there is no existing one.
  • Consider if detailed scripts for each test case are required.
  • Base the scripts on captured existing processes, if available.
  • The UAT management platform should support a script repository and be linked to test cases.
  • Consider what format to hold the scripts in.
  • Are training aids required to assist in script execution?

Determine test data needs and strategy

There are two aspects of data that need to be initially considered:

Data aspects to consider

  • What data is needed to be processed
  • What supporting data is required

You’ll need to consider where the required data will come from, which is inevitably based on what is already available. This data needs to be treated as an asset; you should aim not to rebuild it or recreate it every time you go through a test cycle. Automation is sometimes used in this scenario to automatically create the data needed for subsequent testing and to carry it out when it is difficult to manage the condition of supporting data. However, the use of automation can be avoided in these scenarios by using a solution to manage data; this will allow for automation to be implemented in other areas, which would benefit from it more.

You can avoid this by utilizing available technology and virtualized environments, which will save considerable time and effort.

Things to consider

  • Plan where and how to provide test environments(s).
  • Can virtual environments be used?
  • Consider the backup and reset strategy for the data.
  • What supporting technology is required?
  • You will probably need to coordinate with IT and infrastructure teams.

Test the test scripts.

If you have created test scripts to be given to the users, then you will need to check, for at least some of them, that they are workable and understandable.  If the users have created them, you probably won’t need to.

Things to consider

  • Check both the content and format.
  • Liaise with users to check their needs and the script or the scripts they have developed.

Risk and priority assessment

There are times when a project doesn’t go to plan. To successfully achieve a competent and effective UAT, it is important to understand the critical testing areas and those deemed lower-risk. If the situation arose, they could be cut from the test. By understanding these risks, you could prioritize important tests first.

Things to consider

  • Which tests are most important?
  • Are any tests able to be skipped?

As with any testing process, not all phases need to be implemented within every project, but each should be considered to achieve the best possible outcome.

We are covering the whole approach to UAT in a step-by-step guide.  You can read the next part, Detailed plan, or any of the other sections here:





Preparation & Initiation

Detailed plan



Review and manage




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