Prior to this commit, any attempt to include a bean of type ServletServerContainerFactoryBean in the WebApplicationContext for an integration test class annotated with @WebAppConfiguration in conjunction the Spring TestContext Framework (TCF) would have resulted in an IllegalStateException stating that "A ServletContext is required to access the javax.websocket.server.ServerContainer instance." In such scenarios, the MockServletContext was in fact present in the WebApplicationContext; however there was no WebSocket ServerContainer stored in the ServletContext. This commit addresses this issue by introducing the following. - MockServerContainer: a private mock implementation of the javax.websocket.server.ServerContainer interface. - MockServerContainerContextCustomizer: a ContextCustomizer that instantiates a new MockServerContainer and stores it in the ServletContext under the attribute named "javax.websocket.server.ServerContainer". - MockServerContainerContextCustomizerFactory: a ContextCustomizerFactory which creates a MockServerContainerContextCustomizer if WebSocket support is present in the classpath and the test class is annotated with @WebAppConfiguration. This factory is registered by default via the spring.factories mechanism. Issue: SPR-14367 |
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