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Spring Framework 3.1 introduced an Environment abstraction with support for hierarchical PropertySources that can be configured programmatically as well as declaratively via the @PropertySource annotation. However, prior to this commit, there was no way to declaratively configure PropertySources in integration tests in the Spring TestContext Framework (TCF). This commit introduces declarative support for PropertySources in the TCF via a new class-level @TestPropertySource annotation. This annotation provides two options for declaring test property sources: - The 'locations' attribute allows developers to declare external resource locations for test properties files. - The 'properties' attribute allows developers to declare inlined properties in the form of key-value pairs. Test properties files are added to the Environment before all other property sources and can therefore override system and application property sources. Similarly, inlined properties are added to the Environment before all other property sources and can therefore override system property sources, application property sources, and test properties files. Specifically, this commit introduces the following major changes: - Introduced @TestPropertySource annotation along with internal TestPropertySourceAttributes, MergedTestPropertySources, and TestPropertySourceUtils for working with test property sources within the TCF. - All TestContextBootstrappers have been modified to support the merged property resource locations and inlined properties from @TestPropertySource. - MergedContextConfiguration (and consequently the context caching key) is now additionally based on the merged property resource locations and inlined properties from @TestPropertySource. The same applies to WebMergedContextConfiguration. - AbstractContextLoader's prepareContext() method now adds PropertySources for all resource locations and inlined properties from the supplied MergedContextConfiguration to the Environment of the supplied ApplicationContext. All subclasses of AbstractGenericContextLoader and AbstractGenericWebContextLoader therefore automatically provide support for @TestPropertySource. Issue: SPR-12051
Spring Framework
The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform. A key element of Spring is infrastructural support at the application level: Spring focuses on the "plumbing" of enterprise applications so that teams can focus on application-level business logic, without unnecessary ties to specific deployment environments.
The framework also serves as the foundation for Spring Integration, Spring Batch and the rest of the Spring family of projects. Browse the repositories under the Spring organization on GitHub for a full list.
Downloading Artifacts
See downloading Spring artifacts for Maven repository information. Unable to use Maven or other transitive dependency management tools? See building a distribution with dependencies.
Documentation
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Building from Source
The Spring Framework uses a Gradle-based build system. In the instructions
below, ./gradlew is invoked from the root of the source tree and serves as
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Prerequisites
Git and OpenJDK 8 early access build 100 or later
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Check out sources
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Install all spring-* jars into your local Maven cache
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License
The Spring Framework is released under version 2.0 of the Apache License.