I often find myself needing to run a single unit test for a particular project from the command line in my terminal window, rather than all of the tests. In this blog post, I’ll show you how to do just that: run a specific unit test using Maven from the command line. For video tutorials…
Read More Running a Single Unit Test with MavenDependency Injection is a design pattern that allows the separation of concerns in an application by removing the hard-coded dependencies between objects. In Dependency Injection, the objects are provided with their dependencies instead of having to hard-code them. This makes the application more flexible, maintainable, and easier to test. Spring Framework provides several ways to…
Read More Field-based Dependency Injection in SpringSpring Boot offers various methods and techniques for setting up your database. It can automatically create and initialize the database using the information in the data source. Spring Boot looks for SQL files in specific locations in your project’s classpath, such as “schema.sql” and “data.sql”. In this tutorial, you will learn how to configure your…
Read More Database Initialization with Spring BootSpring Framework is a popular Java-based framework that provides a comprehensive infrastructure for developing Java applications. The framework was initially released in 2002 by Rod Johnson, who was frustrated with the complexity of the existing Java EE (Enterprise Edition) platform. He wanted to create a simpler and more lightweight framework that would make it easier…
Read More Excel in Spring Framework: The Complete GuideIn this tutorial, we will discuss how to Mock Objects and Stub Methods with Mockito, and we will see various ways to stub with common scenarios and examples. Mocking and stubbing are the basis of writing clean and simple unit tests. So, let’s begin! Visit our Mockito introductory level tutorial if you are a beginner…
Read More How to Mock Objects and Stub Methods with Mockito?In this tutorial, we’ll implement a RestTemplate Error Handling Example. But before moving ahead, let’s see why is there a need to do this? The answer is: It becomes very tedious to handle exceptions through try/catch blocks as applications scale. An Efficient way to avoid this hassle is to implement a reusable error handler that…
Read More RestTemplate Error Handling ExampleIn today’s world of agile development, writing unit tests is vital and helpful in producing high-quality code. Unit tests ensure that the code complies with quality standards and that issues are identified before deployment. Java offers various testing frameworks to make the lives of developers easier, with Mockito being one of the well-known ones. In…
Read More An Introduction to the Mockito FrameworkIn this tutorial, you will learn how to use TestRestTemplate to get a list of objects. If you are also interested to learn how to send an HTTP POST request, then please have a look at the “TestRestTemplate HTTP Post Example” tutorial. Maven Dependency To use TestRestTemplate in your Spring Boot project, you should have the…
Read More Get List of Objects with TestRestTemplateThis tutorial will teach you how to use TestRestTemplate to send HTTP Post requests. If you are also interested to learn how to send an HTTP GET request, then please have a look at the “Get List of Objects with TestRestTemplate” tutorial. What is TestRestTemplate? TestRestTemplate is HTTP Client that you use for Spring Boot…
Read More TestRestTemplate HTTP Post ExampleIn this tutorial, you will learn about @SpringBootTest annotation. You will use this annotation to write Integration Tests for your Spring Boot application. @SpringBootTest annotation is used to create a Spring Application Context that will be used during the test. It will make Spring Framework scan your application classes and look for different annotations. Depending…
Read More @SpringBootTest Annotation ExampleIn this blog post, you will learn the difference between @SpringBootTest and @WebMvcTest annotations. The main difference between the @SpringBootTest and @WebMvcTest annotations lies in the application context that they create. The @SpringBootTest annotation starts the full application context, which includes all the beans required for the application to function. On the other hand, the…
Read More Difference Between @SpringBootTest and @WebMvcTestIn this blog post, you will learn a couple of ways you can disable Spring Security Configuration for your @WebMvcTest. Disable Security Filters for @AutoConfigureMockMvc One of the ways you can disable Spring Security filters in your tests, is to use the @AutoConfigureMockMvc annotation. @AutoConfigureMockMvc annotation can be applied to a test class to enable…
Read More Disable Spring Security Configuration for @WebMvcTestYou will use @MockBean annotation to create and automatically add mocks to Spring ApplicationContext. In this tutorial, we will look at different ways you can use @MockBean annotation to create mocks. If you are testing your application with JUnit and Mockito, then there are many other useful tutorials you will find on the Testing Java Code…
Read More @MockBean Annotation ExampleThis tutorial will teach you how to enable Mockito framework in your Spring Boot project and in addition to that, you will also learn how to use @Mock and @InjectMocks annotations to create mock objects and inject those mock objects into the class under test. If you are very new to Mockito, please consider reading…
Read More Getting Started with Mockito @Mock and @InjectMocksIn this tutorial, you will learn about a way or a pattern to structure your code inside of a unit test method. If you follow this pattern consistently, then it will be easier to read and understand code inside of your test methods. This pattern is widely used by many developers and is know as Arrange, Act, Assert(AAA).…
Read More How to Structure Unit Test Method?