Mutation Testing

Even with TDD, the quality or coverage of the existing Unit Tests are always a concern for the developer. "Have I done enough ?" That's one question that haunts him throughout. Mutation Testing is a structural testing method that attempts to add more value to Unit Tests by aiding in identifying the 'misses' in Unit … Continue reading Mutation Testing

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Unit Test for Methods that Call Web API

HttpClient helps you interact with your Rest API's through its asynchronous methods such as GetAsync. But on a TDD environment, it could become a challenge on how you could write Unit Test cases for a method that invokes the API via GetAsync and ensure that your call successfully invokes the API (considering your API sits in another … Continue reading Unit Test for Methods that Call Web API

Mocking IDispossible with “Using”

Mocking objects is integral part of Unit Testing. The nucleus of Mocking is Dependency Injection, which allows us to inject Mock object into the code. But what happens when programmer has used the "Using" keyword ? For Example, This makes it difficult to mock DbCommand. The solution lies in deploying Factory Pattern to create our CustomDbCommand. For … Continue reading Mocking IDispossible with “Using”