What is spring TestContext framework?

Asked By: Lev Sayed | Last Updated: 18th March, 2020
Category: technology and computing programming languages
4.7/5 (114 Views . 12 Votes)
Spring TestContext framework. The framework strongly supports JUnit and TestNG as the testing frameworks. TestContext encapsulates the spring context in which the test cases will be executed. It can also be used to load ApplicationContext if requested. TestContextManager is the main component that manages TestContext .

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Likewise, what is spring testing?

Testing is a crucial part in the business of software development. It ensures performance and quality of the product. The Java platform supports many testing frameworks. Spring introduces the principle of dependency injection on unit testing and has first-class support for integration testing.

Secondly, what is @ContextConfiguration in spring? @Target(value=TYPE) @Retention(value=RUNTIME) @Documented @Inherited public @interface ContextConfiguration. @ContextConfiguration defines class-level metadata that is used to determine how to load and configure an ApplicationContext for integration tests.

Beside above, do you use Spring in a unit test?

1 Answer. The first paragraph you mentioned is the answer to your question, you don't need Spring to write unit tests for the classes you wrote, even when they're Spring beans. In both cases you're testing the integration between the Spring framework (Spring MVC or Spring Data) with your code (and a database).

What is SpringBootTest?

@SpringBootTest is a very convenient method to set up an application context for tests that is very close the one we'll have in production. For testing only certain slices or layers of the application, we have other options available. The example code used in this article is available on github.

34 Related Question Answers Found

What is application context in spring?

The Application Context is Spring's advanced container. Similar to BeanFactory, it can load bean definitions, wire beans together, and dispense beans upon request. BeanFactory can still be used for lightweight applications like mobile devices or applet-based applications.

What is the latest version of spring?

Spring Framework 4.3 has been released on 10 June 2016 and will be supported until 2020. It "will be the final generation within the general Spring 4 system requirements (Java 6+, Servlet 2.5+), []". Spring 5 is announced to be built upon Reactive Streams compatible Reactor Core.

What is spring MockMVC?

MockMVC class is part of Spring MVC test framework which helps in testing the controllers explicitly starting a Servlet container. In this MockMVC tutorial, we will use it along with Spring boot's WebMvcTest class to execute Junit testcases which tests REST controller methods written for Spring boot 2 hateoas example.

What is spring boot starter?

Spring Boot Starters. Spring Boot provides a number of starters that allow us to add jars in the classpath. Spring Boot built-in starters make development easier and rapid. Spring Boot Starters are the dependency descriptors.

How unit testing is done?

UNIT TESTING is a type of software testing where individual units or components of a software are tested. The purpose is to validate that each unit of the software code performs as expected. Unit Testing is done during the development (coding phase) of an application by the developers.

How do I check my spring boot REST API?

Spring Boot is an open-source framework for application creation, and where we create our APIs. There are many different variations and techniques to Unit Test APIs.

  1. Step 1 - Create an API Testing Project.
  2. Step 2 - Add Dependencies.
  3. Step 3 - Write Your Unit Test via JUnit.
  4. Step 4 - Setting up the Unit Tests for the APIs.

How do I check my spring cache?

2 Answers
  1. Set up an integration test that configures declarative caching (or imports the necessary bit's and pieces from your production configuration.
  2. Configure a mock instance of your repository.
  3. Write a test case to set up the expected behavior of the mock, invoke the methods and verify the output accordingly.

What is @MockBean?

@MockBean annotation
It allow to mock a class or an interface and to record and verify behaviors on it. It can be used as a class level annotation or on fields in either @Configuration classes, or test classes that are @RunWith the SpringRunner. @MockBean is similar to mockito's @Mock but with Spring support.

Which is the spring boot starter that has to be added to include FreeMarker template engine?

It uses Tomcat as the default embedded container. The spring-boot-starter-freemarker is starter for building Spring MVC applications with FreeMarker. The spring-boot-starter-jdbc is a starter for using JDBC in Spring Boot. This is City bean class.

What are the main advantages for using spring when writing unit tests?

Explanation: Spring provides convenient TestContext support classes for JUnit 3, JUnit 4, and TestNG 5, with particular test execution listeners pre registered. Explanation: JUnit 4 allows you to annotate your test methods with JUnit @Test annotation, so an arbitrary public method can be run as a test case.

What is the use of @SpringBootTest?

The @SpringBootTest annotation can be used when we need to bootstrap the entire container. The annotation works by creating the ApplicationContext that will be utilized in our tests. We can use the webEnvironment attribute of @SpringBootTest to configure our runtime environment; we're using WebEnvironment.

Which is the UI Web framework that is built to use spring boot?

JHipster is a newer Java framework (released in 2013) that brings the Spring Boot and the two most popular front-end frameworks (Angular and React) together, in one handy application generator. With JHipster, you can quickly generate modern Java-based web applications and microservices.

What is JUnit testing?

JUnit is an open source Unit Testing Framework for JAVA. As the name implies, it is used for Unit Testing of a small chunk of code. Developers who are following test-driven methodology must write and execute unit test first before any code. Once you are done with code, you should execute all tests, and it should pass.

Which is the spring boot annotation used for caching auto configuration?

Spring Boot auto-configures the cache infrastructure as long as caching support is enabled via the @EnableCaching annotation. Check the relevant section of the Spring Framework reference for more details.

How do you write a unit test case in Java?

In this blog post, I will provide helpful tips for unit testing in Java.
  1. Use a Framework for Unit Testing.
  2. Use Test Driven Development Judiciously!
  3. Measure Code Coverage.
  4. Externalize test data wherever possible.
  5. Use Assertions Instead of Print Statements.
  6. Build tests that have deterministic results.

What is fragile test in Java?

Fragile Tests. A Fragile Test is a test that works - most of the time. A test that fails suddenly, even though the tested code is still correct, is called a Fragile Test. Fragile Tests can undermine everything you worked for so hard when writing your test suite.

What is DirtiesContext?

@DirtiesContext is a spring test annotation which is used to indicate that the application context cached should be removed and reloaded after each test run. The application context removed will also be closed. @DirtiesContext can be declared at method level as well as class level.