Polish

Closes gh-13130

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/AutoConfigurationImportSelectorIntegrationTests.java

@@ -51,14 +51,14 @@ public class AutoConfigurationImportSelectorIntegrationTests {
 	}
 
 	@Test
-	public void multipleSelectorShouldMergeAndSortCorrectly() {
+	public void multipleSelectorsShouldMergeAndSortCorrectly() {
 		this.contextRunner.withUserConfiguration(Config.class, AnotherConfig.class)
 				.run((context) -> assertThat(getImportedConfigBeans(context))
 						.containsExactly("ConfigA", "ConfigB", "ConfigC", "ConfigD"));
 	}
 
 	@Test
-	public void multipleSelectorWithRedundantImportsShouldMergeAndSortCorrectly() {
+	public void multipleSelectorsWithRedundantImportsShouldMergeAndSortCorrectly() {
 		this.contextRunner
 				.withUserConfiguration(SingleConfig.class, Config.class,
 						AnotherConfig.class)

spring-boot-project/spring-boot-docs/src/main/asciidoc/appendix-application-properties.adoc

@@ -20,7 +20,7 @@ content into your application. Rather, pick only the properties that you need.
 	# COMMON SPRING BOOT PROPERTIES
 	#
 	# This sample file is provided as a guideline. Do NOT copy it in its
-	# entirety to your own application.			   ^^^
+	# entirety to your own application.               ^^^
 	# ===================================================================
 
 
@@ -1101,7 +1101,7 @@ content into your application. Rather, pick only the properties that you need.
 	spring.rabbitmq.listener.simple.retry.enabled=false # Whether publishing retries are enabled.
 	spring.rabbitmq.listener.simple.retry.initial-interval=1000ms # Duration between the first and second attempt to deliver a message.
 	spring.rabbitmq.listener.simple.retry.max-attempts=3 # Maximum number of attempts to deliver a message.
-	spring.rabbitmq.listener.simple.retry.max-interval=10000ms #  Maximum duration between attempts.
+	spring.rabbitmq.listener.simple.retry.max-interval=10000ms # Maximum duration between attempts.
 	spring.rabbitmq.listener.simple.retry.multiplier=1 # Multiplier to apply to the previous retry interval.
 	spring.rabbitmq.listener.simple.retry.stateless=true # Whether retries are stateless or stateful.
 	spring.rabbitmq.listener.simple.transaction-size= # Number of messages to be processed in a transaction. That is, the number of messages between acks. For best results, it should be less than or equal to the prefetch count.

spring-boot-project/spring-boot-starters/README.adoc

@@ -136,7 +136,7 @@ do as they were designed before this was clarified.
 | https://www.mulesoft.com/platform/soa/mule-esb-open-source-esb[Mule ESB]
 | https://github.com/denschu/mule-spring-boot-starter
 
-| http://mybatis.org/mybatis-3/[Mybatis]
+| http://mybatis.org/mybatis-3/[MyBatis]
 | https://github.com/mybatis/mybatis-spring-boot
 
 | https://github.com/facebook/nifty[Nifty] (Thrift on Netty)

spring-boot-project/spring-boot-tools/spring-boot-loader-tools/src/test/java/org/springframework/boot/loader/tools/RepackagerTests.java

@@ -289,9 +289,9 @@ public class RepackagerTests {
 	public void libraries() throws Exception {
 		TestJarFile libJar = new TestJarFile(this.temporaryFolder);
 		libJar.addClass("a/b/C.class", ClassWithoutMainMethod.class, JAN_1_1985);
-		final File libJarFile = libJar.getFile();
+		File libJarFile = libJar.getFile();
-		final File libJarFileToUnpack = libJar.getFile();
+		File libJarFileToUnpack = libJar.getFile();
-		final File libNonJarFile = this.temporaryFolder.newFile();
+		File libNonJarFile = this.temporaryFolder.newFile();
 		FileCopyUtils.copy(new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8 }, libNonJarFile);
 		this.testJarFile.addClass("a/b/C.class", ClassWithMainMethod.class);
 		this.testJarFile.addFile("BOOT-INF/lib/" + libJarFileToUnpack.getName(),
@@ -319,7 +319,7 @@ public class RepackagerTests {
 	public void duplicateLibraries() throws Exception {
 		TestJarFile libJar = new TestJarFile(this.temporaryFolder);
 		libJar.addClass("a/b/C.class", ClassWithoutMainMethod.class);
-		final File libJarFile = libJar.getFile();
+		File libJarFile = libJar.getFile();
 		this.testJarFile.addClass("a/b/C.class", ClassWithMainMethod.class);
 		File file = this.testJarFile.getFile();
 		Repackager repackager = new Repackager(file);
@@ -335,12 +335,12 @@ public class RepackagerTests {
 	public void customLayout() throws Exception {
 		TestJarFile libJar = new TestJarFile(this.temporaryFolder);
 		libJar.addClass("a/b/C.class", ClassWithoutMainMethod.class);
-		final File libJarFile = libJar.getFile();
+		File libJarFile = libJar.getFile();
 		this.testJarFile.addClass("a/b/C.class", ClassWithMainMethod.class);
 		File file = this.testJarFile.getFile();
 		Repackager repackager = new Repackager(file);
 		Layout layout = mock(Layout.class);
-		final LibraryScope scope = mock(LibraryScope.class);
+		LibraryScope scope = mock(LibraryScope.class);
 		given(layout.getLauncherClassName()).willReturn("testLauncher");
 		given(layout.getLibraryDestination(anyString(), eq(scope))).willReturn("test/");
 		given(layout.getLibraryDestination(anyString(), eq(LibraryScope.COMPILE)))
@@ -359,12 +359,12 @@ public class RepackagerTests {
 	public void customLayoutNoBootLib() throws Exception {
 		TestJarFile libJar = new TestJarFile(this.temporaryFolder);
 		libJar.addClass("a/b/C.class", ClassWithoutMainMethod.class);
-		final File libJarFile = libJar.getFile();
+		File libJarFile = libJar.getFile();
 		this.testJarFile.addClass("a/b/C.class", ClassWithMainMethod.class);
 		File file = this.testJarFile.getFile();
 		Repackager repackager = new Repackager(file);
 		Layout layout = mock(Layout.class);
-		final LibraryScope scope = mock(LibraryScope.class);
+		LibraryScope scope = mock(LibraryScope.class);
 		given(layout.getLauncherClassName()).willReturn("testLauncher");
 		repackager.setLayout(layout);
 		repackager.repackage(
@@ -625,12 +625,12 @@ public class RepackagerTests {
 	public void layoutCanOmitLibraries() throws IOException {
 		TestJarFile libJar = new TestJarFile(this.temporaryFolder);
 		libJar.addClass("a/b/C.class", ClassWithoutMainMethod.class);
-		final File libJarFile = libJar.getFile();
+		File libJarFile = libJar.getFile();
 		this.testJarFile.addClass("a/b/C.class", ClassWithMainMethod.class);
 		File file = this.testJarFile.getFile();
 		Repackager repackager = new Repackager(file);
 		Layout layout = mock(Layout.class);
-		final LibraryScope scope = mock(LibraryScope.class);
+		LibraryScope scope = mock(LibraryScope.class);
 		repackager.setLayout(layout);
 		repackager.repackage(
 				(callback) -> callback.library(new Library(libJarFile, scope)));

spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/PropertiesLauncherTests.java

@@ -34,7 +34,6 @@ import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
 import org.junit.rules.TemporaryFolder;
-import org.mockito.MockitoAnnotations;
 
 import org.springframework.boot.loader.archive.Archive;
 import org.springframework.boot.loader.archive.ExplodedArchive;
@@ -67,7 +66,6 @@ public class PropertiesLauncherTests {
 	@Before
 	public void setup() {
 		this.contextClassLoader = Thread.currentThread().getContextClassLoader();
-		MockitoAnnotations.initMocks(this);
 		System.setProperty("loader.home",
 				new File("src/test/resources").getAbsolutePath());
 	}

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/RunArguments.java

@@ -33,7 +33,7 @@ class RunArguments {
 
 	private static final String[] NO_ARGS = {};
 
-	private final LinkedList<String> args = new LinkedList<>();
+	private final Deque<String> args = new LinkedList<>();
 
 	RunArguments(String arguments) {
 		this(parseArgs(arguments));

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/source/SpringConfigurationPropertySources.java

@@ -57,7 +57,7 @@ class SpringConfigurationPropertySources
 
 	private ConfigurationPropertySource adapt(PropertySource<?> source) {
 		ConfigurationPropertySource result = this.cache.get(source);
-		// Most PropertySource test quality only using the source name, we need to
+		// Most PropertySources test equality only using the source name, so we need to
 		// check the actual source hasn't also changed.
 		if (result != null && result.getUnderlyingSource() == source) {
 			return result;
@@ -70,7 +70,7 @@ class SpringConfigurationPropertySources
 	private static class SourcesIterator
 			implements Iterator<ConfigurationPropertySource> {
 
-		private Deque<Iterator<PropertySource<?>>> iterators;
+		private final Deque<Iterator<PropertySource<?>>> iterators;
 
 		private ConfigurationPropertySource next;
 
@@ -91,10 +91,10 @@ class SpringConfigurationPropertySources
 		@Override
 		public ConfigurationPropertySource next() {
 			ConfigurationPropertySource next = fetchNext();
-			this.next = null;
 			if (next == null) {
 				throw new NoSuchElementException();
 			}
+			this.next = null;
 			return next;
 		}
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/properties/bind/BindConverterTests.java

@@ -70,9 +70,8 @@ public class BindConverterTests {
 
 	@Test
 	public void createWhenPropertyEditorInitializerIsNullShouldCreate() {
-		BindConverter bindConverter = new BindConverter(
+		new BindConverter(
 				ApplicationConversionService.getSharedInstance(), null);
-		assertThat(bindConverter).isNotNull();
 	}
 
 	@Test
@@ -142,7 +141,6 @@ public class BindConverterTests {
 		Class<?> converted = bindConverter.convert("java.lang.RuntimeException",
 				ResolvableType.forClass(Class.class));
 		assertThat(converted).isEqualTo(RuntimeException.class);
-
 	}
 
 	@Test
@@ -168,7 +166,7 @@ public class BindConverterTests {
 				this::registerSampleTypeEditor);
 		List<SampleType> converted = bindConverter.convert("test",
 				ResolvableType.forClassWithGenerics(List.class, SampleType.class));
-		assertThat(converted).isNotEmpty();
+		assertThat(converted).hasSize(1);
 		assertThat(converted.get(0).getText()).isEqualTo("test");
 	}
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/convert/DelimitedStringToArrayConverterTests.java

@@ -94,7 +94,7 @@ public class DelimitedStringToArrayConverterTests {
 	}
 
 	@Test
-	public void convertWhenHasDelimiterOfNoneShouldReturnTrimmedStringElement() {
+	public void convertWhenHasDelimiterOfNoneShouldReturnWholeString() {
 		TypeDescriptor sourceType = TypeDescriptor.valueOf(String.class);
 		TypeDescriptor targetType = TypeDescriptor
 				.nested(ReflectionUtils.findField(Values.class, "delimiterNone"), 0);

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/convert/DelimitedStringToCollectionConverterTests.java

@@ -117,7 +117,7 @@ public class DelimitedStringToCollectionConverterTests {
 
 	@Test
 	@SuppressWarnings("unchecked")
-	public void convertWhenHasDelimiterOfNoneShouldReturnTrimmedStringElement() {
+	public void convertWhenHasDelimiterOfNoneShouldReturnWholeString() {
 		TypeDescriptor sourceType = TypeDescriptor.valueOf(String.class);
 		TypeDescriptor targetType = TypeDescriptor
 				.nested(ReflectionUtils.findField(Values.class, "delimiterNone"), 0);
@@ -131,8 +131,8 @@ public class DelimitedStringToCollectionConverterTests {
 		TypeDescriptor sourceType = TypeDescriptor.valueOf(String.class);
 		TypeDescriptor targetType = TypeDescriptor
 				.nested(ReflectionUtils.findField(Values.class, "specificType"), 0);
-		Object converted = this.conversionService.convert("a*b", sourceType, targetType);
+		MyCustomList<String> converted = (MyCustomList<String>) this.conversionService.convert("a*b", sourceType, targetType);
-		assertThat(converted).isInstanceOf(MyCustomList.class);
+		assertThat(converted).containsExactly("a", "b");
 	}
 
 	@Parameters(name = "{0}")