Category: Java
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How to Use Spring’s @Profile Annotation for Flexible Configurations
The profile annotation in spring allows you to segregate configurations that are available only in specific environments. If you mark a @Component (and its specializations) or any @Configuration or @Bean with the @Profile annotation, they will be available only if the profile specified is active. You can set the profile using application.properties by using the…
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How to Use the @Import Annotation in Spring Framework
The @Import annotation allows you to specify which configurations your Spring application should load. You can think of this annotation as your Java class’s import statements. In this case, it’s going to import only classes with the @Configuration annotation. It’s not the exact concept, but you get the idea. By using the @Import, you explicitly…
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Specification-based Testing: Understand the requirements
Understanding the requirements is an important part of testing your code. If you already know the business rules you can create tests to validate it. Also, you can create some that will prevent unwanted behavior too. When writing tests, consider the inputs, how they affect the code, and if the results meet your business rules. Do you have some doubts about it? What should be the result in some…
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How to write meaningful test assertions that help you not break your code base
The article emphasizes the importance of writing meaningful assertions and verifications in software testing. It explains how specific and descriptive assertions help in detecting bugs early, improving code quality, and increasing confidence in the code. It provides examples of common mistakes and how to avoid them, highlighting the significance of writing specific assertions to ensure…
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How to Create and Use a Custom ResultMatcher for Date Testing with MockMvc
In this tutorial, you will learn how to create a custom ResultMatcher for MockMvc, to suit your project needs. Imagine you are testing an API and the response contains a date. And you want to check if the response date is valid. So you have a test assertion that checks for an exact date and…