SpringApplicationTests.java 文件源码

@Test
public void contextRefreshedEventListener() throws Exception {
    SpringApplication application = new SpringApplication(ExampleConfig.class);
    application.setWebEnvironment(false);
    final AtomicReference<ApplicationContext> reference = new AtomicReference<ApplicationContext>();
    class InitializerListener implements ApplicationListener<ContextRefreshedEvent> {
        @Override
        public void onApplicationEvent(ContextRefreshedEvent event) {
            reference.set(event.getApplicationContext());
        }
    }
    application.setListeners(Arrays.asList(new InitializerListener()));
    this.context = application.run("--foo=bar");
    assertThat(this.context).isSameAs(reference.get());
    // Custom initializers do not switch off the defaults
    assertThat(getEnvironment().getProperty("foo")).isEqualTo("bar");
}