AutoConfigurationPackagesTests Class — spring-boot Architecture

Source Code

core/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/AutoConfigurationPackagesTests.java lines 37–105

@SuppressWarnings("resource")
class AutoConfigurationPackagesTests {

	@Test
	void setAndGet() {
		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
				ConfigWithAutoConfigurationPackage.class);
		assertThat(AutoConfigurationPackages.get(context.getBeanFactory()))
			.containsExactly(getClass().getPackage().getName());
	}

	@Test
	void getWithoutSet() {
		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(EmptyConfig.class);
		assertThatIllegalStateException().isThrownBy(() -> AutoConfigurationPackages.get(context.getBeanFactory()))
			.withMessageContaining("Unable to retrieve @EnableAutoConfiguration base packages");
	}

	@Test
	void detectsMultipleAutoConfigurationPackages() {
		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(FirstConfiguration.class,
				SecondConfiguration.class);
		List<String> packages = AutoConfigurationPackages.get(context.getBeanFactory());
		Package package1 = FirstConfiguration.class.getPackage();
		Package package2 = SecondConfiguration.class.getPackage();
		assertThat(packages).containsOnly(package1.getName(), package2.getName());
	}

	@Test
	void whenBasePackagesAreSpecifiedThenTheyAreRegistered() {
		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
				ConfigWithAutoConfigurationBasePackages.class);
		List<String> packages = AutoConfigurationPackages.get(context.getBeanFactory());
		assertThat(packages).containsExactly("com.example.alpha", "com.example.bravo");
	}

	@Test
	void whenBasePackageClassesAreSpecifiedThenTheirPackagesAreRegistered() {
		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
				ConfigWithAutoConfigurationBasePackageClasses.class);
		List<String> packages = AutoConfigurationPackages.get(context.getBeanFactory());
		assertThat(packages).containsOnly(FirstConfiguration.class.getPackage().getName(),
				SecondConfiguration.class.getPackage().getName());
	}

	@Configuration(proxyBeanMethods = false)
	@AutoConfigurationPackage
	static class ConfigWithAutoConfigurationPackage {

	}

	@Configuration(proxyBeanMethods = false)
	@AutoConfigurationPackage(basePackages = { "com.example.alpha", "com.example.bravo" })
	static class ConfigWithAutoConfigurationBasePackages {

	}

	@Configuration(proxyBeanMethods = false)
	@AutoConfigurationPackage(basePackageClasses = { FirstConfiguration.class, SecondConfiguration.class })
	static class ConfigWithAutoConfigurationBasePackageClasses {

	}

	@Configuration(proxyBeanMethods = false)
	static class EmptyConfig {

	}

}