HypermediaAutoConfigurationTests.java 文件源码

@Test
public void customizationOfSupportedMediaTypesCanBeDisabled() {
    this.context = new AnnotationConfigWebApplicationContext();
    this.context.setServletContext(new MockServletContext());
    this.context.register(BaseConfig.class);
    EnvironmentTestUtils.addEnvironment(this.context,
            "spring.hateoas.use-hal-as-default-json-media-type:false");
    this.context.refresh();
    RequestMappingHandlerAdapter handlerAdapter = this.context
            .getBean(RequestMappingHandlerAdapter.class);
    for (HttpMessageConverter<?> converter : handlerAdapter.getMessageConverters()) {
        if (converter instanceof TypeConstrainedMappingJackson2HttpMessageConverter) {
            assertThat(converter.getSupportedMediaTypes())
                    .containsExactly(MediaTypes.HAL_JSON);
        }
    }
}