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  • Mark Winteringham
  • Richard Bradshaw
  • Automation In Testing: Selecting Codified Oracles In Automation
    Mark Winteringham, Richard Bradshaw
    99 Minute Workshop

    Automation In Testing: Selecting Codified Oracles In Automation


    99 Minute Workshop


    Your automated checks are only as good as your oracles. You’ve identified the right seam, you're managing all your data, your actions are clean and it’s deterministic but your assertion is no better than assert true is true. This is where oracles come in. 

    An oracle is how we answer the question, is there a problem here? It’s critical that you fully understand what you are trying to check. For example, you are checking a login flow via the UI. You enter the right credentials and click next, what are you going to assert on to confirm you are logged in? The URL? Content of the page? The fact you are no longer on the login page?

    Once you’ve identified your oracle you then have to find the right tooling to implement it. In this workshop we’ll explore multiple scenarios and explore multiple ways in which we can codify oracles.


    • Identify different ways of asserting in automated checks
    • Determine what assertion approach to use as part of an automated check
    • Identify tools to use for a specific assertion approach


    Mark Winteringham
    Mark Winteringham
    Mark Winteringham is a tester, toolsmith and the Ministry of Testing OpsBoss with over 10 years experience providing testing expertise on award-winning projects across a wide range of technology sectors including BBC, Barclays, UK Government and Thomson Reuters. He is an advocate for modern risk-based testing practices and trains teams in Automation in Testing, Behaviour Driven Development and Exploratory testing techniques. He is also the co-founder of Ministry of Testing Essentials a community raising awareness of careers in testing and improving testing education. You can find him on Twitter @2bittester or at /
    Richard Bradshaw
    Richard Bradshaw
    Richard Bradshaw is an experienced tester, consultant and generally a friendly guy. He shares his passion for testing through consulting, training and giving presentation on a variety of topics related to testing. He is a fan of automation that supports testing. With over 10 years testing experience, he has a lot of insights into the world of testing and software development. Richard is a very active member of the testing community, and is currently the FriendlyBoss at The Ministry of Testing. Richard blogs at and tweets as @FriendlyTester. He is also the creator of the YouTube channel, Whiteboard Testing.

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