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The Complete Guide to Spring 6 and Spring Boot 3

Unit Testing for XML Context

Understand how to set up and execute unit tests in Spring by loading XML-based application contexts. Explore using @ContextConfiguration with XML files, creating test-specific configurations, and overriding bean definitions to isolate tests effectively.

We'll cover the following...

The @ContextConfiguration annotation is used to load Java as well as XML context. We created an XML application context file for the MovieRecommenderSystemApplication. here. The XML configuration file is reproduced here:

XML
<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:context="http://www.springframework.org/schema/context"
  xsi:schemaLocation="http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans.xsd
      http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context.xsd">
<context:component-scan base-package=
        "io.datajek.spring.basics.movierecommendersystem.lesson14" use-default-filters="false">
</context:component-scan>
<!-- enable detection of @Autowired annotation -->
<context:annotation-config/>
<bean id="filter" 
  class="io.datajek.spring.basics.movierecommendersystem.lesson14.ContentBasedFilter"/>    
<bean id="filter2" 
  class="io.datajek.spring.basics.movierecommendersystem.lesson14.CollaborativeFilter"/>
<bean id="recommenderImpl" class=
        "io.datajek.spring.basics.movierecommendersystem.lesson14.RecommenderImplementation"/>
</beans>

In this file, we have mentioned the package for component scanning using the <context:component-scan> tag. We have also defined three beans: ...