Polish

See gh-44184

Signed-off-by: Johnny Lim <izeye@naver.com>

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/prometheus/PrometheusMetricsExportAutoConfiguration.java

@@ -107,7 +107,7 @@ public class PrometheusMetricsExportAutoConfiguration {
 
 		/**
 		 * The fallback job name. We use 'spring' since there's a history of Prometheus
-		 * spring integration defaulting to that name from when Prometheus integration
+		 * Spring integration defaulting to that name from when Prometheus integration
 		 * didn't exist in Spring itself.
 		 */
 		private static final String FALLBACK_JOB = "spring";
@@ -160,8 +160,7 @@ public class PrometheusMetricsExportAutoConfiguration {
 
 		private String getJob(PrometheusProperties.Pushgateway properties, Environment environment) {
 			String job = properties.getJob();
-			job = (job != null) ? job : environment.getProperty("spring.application.name");
-			return (job != null) ? job : FALLBACK_JOB;
+			return (job != null) ? job : environment.getProperty("spring.application.name", FALLBACK_JOB);
 		}
 
 	}

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/prometheus/PrometheusProperties.java

@@ -109,7 +109,7 @@ public class PrometheusProperties {
 		private String address = "localhost:9091";
 
 		/**
-		 * The scheme to use when pushing metrics.
+		 * Scheme to use when pushing metrics.
 		 */
 		private Scheme scheme = Scheme.HTTP;
 
@@ -124,12 +124,12 @@ public class PrometheusProperties {
 		private String password;
 
 		/**
-		 * The token to use for authentication with the Prometheus Pushgateway.
+		 * Token to use for authentication with the Prometheus Pushgateway.
 		 */
 		private String token;
 
 		/**
-		 * The format to use when pushing metrics.
+		 * Format to use when pushing metrics.
 		 */
 		private Format format = Format.PROTOBUF;
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/prometheus/PrometheusMetricsExportAutoConfigurationTests.java

@@ -23,13 +23,11 @@ import io.micrometer.core.instrument.Clock;
 import io.micrometer.prometheusmetrics.PrometheusConfig;
 import io.micrometer.prometheusmetrics.PrometheusMeterRegistry;
 import io.prometheus.metrics.exporter.pushgateway.DefaultHttpConnectionFactory;
-import io.prometheus.metrics.exporter.pushgateway.HttpConnectionFactory;
 import io.prometheus.metrics.exporter.pushgateway.PushGateway;
 import io.prometheus.metrics.expositionformats.PrometheusTextFormatWriter;
 import io.prometheus.metrics.model.registry.PrometheusRegistry;
 import io.prometheus.metrics.tracer.common.SpanContext;
 import org.assertj.core.api.InstanceOfAssertFactories;
-import org.assertj.core.api.ThrowingConsumer;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 
@@ -38,10 +36,8 @@ import org.springframework.boot.actuate.metrics.export.prometheus.PrometheusPush
 import org.springframework.boot.actuate.metrics.export.prometheus.PrometheusScrapeEndpoint;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.context.properties.source.MutuallyExclusiveConfigurationPropertiesException;
-import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.assertj.AssertableApplicationContext;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
-import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.test.system.CapturedOutput;
 import org.springframework.boot.test.system.OutputCaptureExtension;
 import org.springframework.context.annotation.Bean;
@@ -61,7 +57,6 @@ import static org.assertj.core.api.Assertions.assertThat;
 class PrometheusMetricsExportAutoConfigurationTests {
 
 	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
-		.withClassLoader(new FilteredClassLoader("io.micrometer.prometheus.", "io.prometheus.client"))
 		.withConfiguration(AutoConfigurations.of(PrometheusMetricsExportAutoConfiguration.class));
 
 	@Test
@@ -177,35 +172,26 @@ class PrometheusMetricsExportAutoConfigurationTests {
 	@Test
 	@ExtendWith(OutputCaptureExtension.class)
 	void withPushGatewayEnabled(CapturedOutput output) {
-		this.contextRunner.withConfiguration(AutoConfigurations.of(ManagementContextAutoConfiguration.class))
-			.withPropertyValues("management.prometheus.metrics.export.pushgateway.enabled=true")
+		this.contextRunner.withPropertyValues("management.prometheus.metrics.export.pushgateway.enabled=true")
 			.withUserConfiguration(BaseConfiguration.class)
 			.run((context) -> {
 				assertThat(output).doesNotContain("Invalid PushGateway base url");
 				hasGatewayUrl(context, "http://localhost:9091/metrics/job/spring");
+				assertThat(getPushGateway(context)).extracting("connectionFactory")
+					.isInstanceOf(DefaultHttpConnectionFactory.class);
 			});
 	}
 
 	@Test
 	void withPushGatewayDisabled() {
-		this.contextRunner.withConfiguration(AutoConfigurations.of(ManagementContextAutoConfiguration.class))
-			.withPropertyValues("management.prometheus.metrics.export.pushgateway.enabled=false")
+		this.contextRunner.withPropertyValues("management.prometheus.metrics.export.pushgateway.enabled=false")
 			.withUserConfiguration(BaseConfiguration.class)
 			.run((context) -> assertThat(context).doesNotHaveBean(PrometheusPushGatewayManager.class));
 	}
 
-	@Test
-	void withPushGatewayNoBasicAuth() {
-		this.contextRunner.withConfiguration(AutoConfigurations.of(ManagementContextAutoConfiguration.class))
-			.withPropertyValues("management.prometheus.metrics.export.pushgateway.enabled=true")
-			.withUserConfiguration(BaseConfiguration.class)
-			.run(hasHttpConnectionFactory((httpConnectionFactory) -> assertThat(httpConnectionFactory)
-				.isInstanceOf(DefaultHttpConnectionFactory.class)));
-	}
-
 	@Test
 	void withCustomPushGatewayAddress() {
-		this.contextRunner.withConfiguration(AutoConfigurations.of(ManagementContextAutoConfiguration.class))
+		this.contextRunner
 			.withPropertyValues("management.prometheus.metrics.export.pushgateway.enabled=true",
 					"management.prometheus.metrics.export.pushgateway.address=localhost:8080")
 			.withUserConfiguration(BaseConfiguration.class)
@@ -214,7 +200,7 @@ class PrometheusMetricsExportAutoConfigurationTests {
 
 	@Test
 	void withCustomScheme() {
-		this.contextRunner.withConfiguration(AutoConfigurations.of(ManagementContextAutoConfiguration.class))
+		this.contextRunner
 			.withPropertyValues("management.prometheus.metrics.export.pushgateway.enabled=true",
 					"management.prometheus.metrics.export.pushgateway.scheme=https")
 			.withUserConfiguration(BaseConfiguration.class)
@@ -223,7 +209,7 @@ class PrometheusMetricsExportAutoConfigurationTests {
 
 	@Test
 	void withCustomFormat() {
-		this.contextRunner.withConfiguration(AutoConfigurations.of(ManagementContextAutoConfiguration.class))
+		this.contextRunner
 			.withPropertyValues("management.prometheus.metrics.export.pushgateway.enabled=true",
 					"management.prometheus.metrics.export.pushgateway.format=text")
 			.withUserConfiguration(BaseConfiguration.class)
@@ -233,7 +219,7 @@ class PrometheusMetricsExportAutoConfigurationTests {
 
 	@Test
 	void withPushGatewayBasicAuth() {
-		this.contextRunner.withConfiguration(AutoConfigurations.of(ManagementContextAutoConfiguration.class))
+		this.contextRunner
 			.withPropertyValues("management.prometheus.metrics.export.pushgateway.enabled=true",
 					"management.prometheus.metrics.export.pushgateway.username=admin",
 					"management.prometheus.metrics.export.pushgateway.password=secret")
@@ -246,7 +232,7 @@ class PrometheusMetricsExportAutoConfigurationTests {
 
 	@Test
 	void withPushGatewayBearerToken() {
-		this.contextRunner.withConfiguration(AutoConfigurations.of(ManagementContextAutoConfiguration.class))
+		this.contextRunner
 			.withPropertyValues("management.prometheus.metrics.export.pushgateway.enabled=true",
 					"management.prometheus.metrics.export.pushgateway.token=a1b2c3d4")
 			.withUserConfiguration(BaseConfiguration.class)
@@ -257,7 +243,7 @@ class PrometheusMetricsExportAutoConfigurationTests {
 
 	@Test
 	void failsFastWithBothBearerAndBasicAuthentication() {
-		this.contextRunner.withConfiguration(AutoConfigurations.of(ManagementContextAutoConfiguration.class))
+		this.contextRunner
 			.withPropertyValues("management.prometheus.metrics.export.pushgateway.enabled=true",
 					"management.prometheus.metrics.export.pushgateway.username=alice",
 					"management.prometheus.metrics.export.pushgateway.token=a1b2c3d4")
@@ -277,15 +263,6 @@ class PrometheusMetricsExportAutoConfigurationTests {
 		}
 	}
 
-	private ContextConsumer<AssertableApplicationContext> hasHttpConnectionFactory(
-			ThrowingConsumer<HttpConnectionFactory> httpConnectionFactory) {
-		return (context) -> {
-			PushGateway pushGateway = getPushGateway(context);
-			httpConnectionFactory
-				.accept((HttpConnectionFactory) ReflectionTestUtils.getField(pushGateway, "connectionFactory"));
-		};
-	}
-
 	private PushGateway getPushGateway(AssertableApplicationContext context) {
 		assertThat(context).hasSingleBean(PrometheusPushGatewayManager.class);
 		PrometheusPushGatewayManager gatewayManager = context.getBean(PrometheusPushGatewayManager.class);

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/export/prometheus/PrometheusPushGatewayManager.java

@@ -55,7 +55,7 @@ public class PrometheusPushGatewayManager {
 	 * @param pushGateway the source push gateway
 	 * @param pushRate the rate at which push operations occur
 	 * @param shutdownOperation the shutdown operation that should be performed when
-	 * context is closed.
+	 * context is closed
 	 * @since 3.5.0
 	 */
 	public PrometheusPushGatewayManager(PushGateway pushGateway, Duration pushRate,

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfigurationTests.java

@@ -571,28 +571,23 @@ class WebMvcAutoConfigurationTests {
 	@Test
 	void customMediaTypes() {
 		this.contextRunner.withPropertyValues("spring.mvc.contentnegotiation.media-types.yaml:text/yaml")
-			.run((context) -> {
-				RequestMappingHandlerAdapter adapter = context.getBean(RequestMappingHandlerAdapter.class);
-				ContentNegotiationManager contentNegotiationManager = (ContentNegotiationManager) ReflectionTestUtils
-					.getField(adapter, "contentNegotiationManager");
-				assertThat(contentNegotiationManager.getAllFileExtensions()).contains("yaml");
-			});
+			.run((context) -> assertThat(context.getBean(RequestMappingHandlerAdapter.class))
+				.extracting("contentNegotiationManager",
+						InstanceOfAssertFactories.type(ContentNegotiationManager.class))
+				.satisfies((contentNegotiationManager) -> assertThat(contentNegotiationManager.getAllFileExtensions())
+					.contains("yaml")));
 	}
 
 	@Test
 	void customDefaultContentTypes() {
 		this.contextRunner
 			.withPropertyValues("spring.mvc.contentnegotiation.default-content-types:application/json,application/xml")
-			.run((context) -> {
-				RequestMappingHandlerAdapter adapter = context.getBean(RequestMappingHandlerAdapter.class);
-				ContentNegotiationManager contentNegotiationManager = (ContentNegotiationManager) ReflectionTestUtils
-					.getField(adapter, "contentNegotiationManager");
-				assertThat(contentNegotiationManager).isNotNull();
-				assertThat(contentNegotiationManager.getStrategy(FixedContentNegotiationStrategy.class))
-					.extracting(FixedContentNegotiationStrategy::getContentTypes)
-					.asInstanceOf(InstanceOfAssertFactories.list(MediaType.class))
-					.containsExactly(MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML);
-			});
+			.run((context) -> assertThat(context.getBean(RequestMappingHandlerAdapter.class))
+				.extracting("contentNegotiationManager",
+						InstanceOfAssertFactories.type(ContentNegotiationManager.class))
+				.satisfies((contentNegotiationManager) -> assertThat(
+						contentNegotiationManager.getStrategy(FixedContentNegotiationStrategy.class).getContentTypes())
+					.containsExactly(MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML)));
 	}
 
 	@Test