Jest is a popular, open-source test framework for JavaScript. We can use Jest to create mocks in our test - objects that replace real objects in our code while it's being tested.
In our previous series on unit testing techniques using Sinon.js, we covered how we can use
Test "mocks" are objects that replace real objects while simulating their functions. A mock also has expectations about how the functions being tested will be used.
In some unit test cases we may want to combine the functionality of spies, to observe a method's behavior under call,
In software testing, a "spy" records how a function is used when it is tested. This includes how many times it was called, whether it was called with the correct arguments, and what was returned.
While tests are primarily used to validate the output of a function,
Testing is a fundamental part of the software development process. When creating web applications, we make calls to third-party APIs, databases, or other services in our environment. Therefore, our tests must validate those request are sent and responses handled correctly. However, we may not always be able to communicate
In almost all fields, products are thoroughly tested before being released to the market to ensure its quality and that it works as intended.
Medicine, cosmetic products, vehicles, phones, laptops are all tested to ensure that they uphold a certain level of quality that was promised to the consumer.
In this article, we'll introduce you to Spring Cloud Contract, which is Spring's response to Consumer-Driven Contracts.
Nowadays, applications are thoroughly tested - whether it be unit tests, integration tests, or end-to-end tests. It's very common in a microservice architecture that a service (consumer) communicates with another service (producer
JUnit is a popular testing framework for Java. Simple use is very straightforward and JUnit 5 brought some differences and conveniences compared to JUnit 4.
The test code is separate from the actual program code, and in most IDEs the testing results/output are also separate from the program's
The Spring Framework is a very robust framework, released in 2002. Its core features can be applied to plain Java applications or extended to complex, modern web applications.
As it's constantly being updated and is following new architectural and programming paradigms, it offers support for many other frameworks that
