Spring Boot's testing support registers a DynamicPropertyRegistry as a bean in the ApplicationContext, which conflicts with the DynamicPropertyRegistry registered as a bean by the Spring TestContext Framework (TCF) since Spring Framework 6.2 M2. To avoid that conflict and to improve the user experience for Spring's testing support, this commit introduces a DynamicPropertyRegistrar API to replace the DynamicPropertyRegistry bean support. Specifically, the TCF no longer registers a DynamicPropertyRegistry as a bean in the ApplicationContext. Instead, users can now register custom implementations of DynamicPropertyRegistrar as beans in the ApplicationContext, and the DynamicPropertiesContextCustomizer now registers a DynamicPropertyRegistrarBeanInitializer which eagerly initializes DynamicPropertyRegistrar beans and invokes their accept() methods with an appropriate DynamicPropertyRegistry. In addition, a singleton DynamicValuesPropertySource is created and registered with the Environment for use in DynamicPropertiesContextCustomizer and DynamicPropertyRegistrarBeanInitializer, which allows @DynamicPropertySource methods and DynamicPropertyRegistrar beans to transparently populate the same DynamicValuesPropertySource. Closes gh-33501 |
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README.md
Spring Framework

This is the home of the Spring Framework: the foundation for all Spring projects. Collectively the Spring Framework and the family of Spring projects are often referred to simply as "Spring".
Spring provides everything required beyond the Java programming language for creating enterprise applications for a wide range of scenarios and architectures. Please read the Overview section of the reference documentation for a more complete introduction.
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This project is governed by the Spring Code of Conduct. By participating, you are expected to uphold this code of conduct. Please report unacceptable behavior to spring-code-of-conduct@spring.io.
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License
The Spring Framework is released under version 2.0 of the Apache License.