Display test names in a more user-friendly way

Signed-off-by: Fred Bricon <fbricon@gmail.com>

org.eclipse.lemminx/pom.xml

@@ -168,6 +168,11 @@
 			<artifactId>junit-jupiter-engine</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-params</artifactId>
+			<scope>test</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.eclipse.jetty</groupId>
 			<artifactId>jetty-server</artifactId>

org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/junit/CamelCaseDisplayNameGenerator.java

@@ -0,0 +1,36 @@
+/*******************************************************************************
+* Copyright (c) 2020 Red Hat Inc. and others.
+* All rights reserved. This program and the accompanying materials
+* which accompanies this distribution, and is available at
+* http://www.eclipse.org/legal/epl-v20.html
+*
+* SPDX-License-Identifier: EPL-2.0
+*
+* Contributors:
+*     Red Hat Inc. - initial API and implementation
+*******************************************************************************/
+package org.eclipse.lemminx.junit;
+
+import java.lang.reflect.Method;
+
+import org.junit.jupiter.api.DisplayNameGenerator;
+
+public class CamelCaseDisplayNameGenerator extends DisplayNameGenerator.Standard {
+
+    public String generateDisplayNameForClass(Class<?> testClass) {
+        return splitCamelCase(super.generateDisplayNameForClass(testClass));
+    }
+
+    public String generateDisplayNameForNestedClass(Class<?> nestedClass) {
+        return splitCamelCase(super.generateDisplayNameForNestedClass(nestedClass));
+    }
+
+    public String generateDisplayNameForMethod(Class<?> testClass, Method testMethod) {
+        return splitCamelCase(testMethod.getName());
+    }
+
+    String splitCamelCase(String text) {
+    	//See https://stackoverflow.com/a/15370765/753170
+        return text.replaceAll("([A-Z])([A-Z])([a-z])|([a-z])([A-Z])", "$1$4 $2$3$5");
+    }
+}

org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/junit/CamelCaseDisplayNameGeneratorTest.java

@@ -0,0 +1,45 @@
+/*******************************************************************************
+* Copyright (c) 2020 Red Hat Inc. and others.
+* All rights reserved. This program and the accompanying materials
+* which accompanies this distribution, and is available at
+* http://www.eclipse.org/legal/epl-v20.html
+*
+* SPDX-License-Identifier: EPL-2.0
+*
+* Contributors:
+*     Red Hat Inc. - initial API and implementation
+*******************************************************************************/
+package org.eclipse.lemminx.junit;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+
+// @formatter:off
+public class CamelCaseDisplayNameGeneratorTest {
+
+    private CamelCaseDisplayNameGenerator nameGenerator;
+
+    @BeforeEach
+    public void setup() {
+        nameGenerator = new CamelCaseDisplayNameGenerator();
+    }
+
+    @Test
+    public void generateDisplayNameForClass() {
+        assertEquals("Camel Case Display Name Generator", nameGenerator.generateDisplayNameForClass(nameGenerator.getClass()));
+    }
+
+    @ParameterizedTest(name = "{index} => text={0}")
+    @CsvSource({ "ABCD, ABCD", 
+                 "AbCd, Ab Cd", 
+                 "abCd, ab Cd", 
+                 "aBCd, a BCd", 
+                 "a BC d, a BC d" })
+    public void splitCamelCase(String text, String expectedResult) {
+        assertEquals(expectedResult, nameGenerator.splitCamelCase(text));
+    }
+}

org.eclipse.lemminx/src/test/resources/junit-platform.properties

@@ -0,0 +1 @@
+junit.jupiter.displayname.generator.default = org.eclipse.lemminx.junit.CamelCaseDisplayNameGenerator

pom.xml

@@ -8,6 +8,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<lsp4j.version>0.9.0</lsp4j.version>
+		<junit.version>5.6.1</junit.version>
 	</properties>
 	<url>https://github.com/eclipse/lemminx</url>
 	<licenses>
@@ -21,8 +22,8 @@
 		<connection>scm:git:git@github.com:eclipse/lemminx.git</connection>
 		<developerConnection>scm:git:git@github.com:eclipse/lemminx.git</developerConnection>
 		<url>https://github.com/eclipse/lemminx</url>
-	  <tag>HEAD</tag>
-  </scm>
+		<tag>HEAD</tag>
+	</scm>
 	<modules>
 		<module>org.eclipse.lemminx</module>
 	</modules>
@@ -57,13 +58,19 @@
 			<dependency>
 				<groupId>org.junit.jupiter</groupId>
 				<artifactId>junit-jupiter-api</artifactId>
-				<version>5.6.1</version>
+				<version>${junit.version}</version>
 				<scope>test</scope>
 			</dependency>
 			<dependency>
 				<groupId>org.junit.jupiter</groupId>
 				<artifactId>junit-jupiter-engine</artifactId>
-				<version>5.6.1</version>
+				<version>${junit.version}</version>
+				<scope>test</scope>
+			</dependency>
+			<dependency>
+				<groupId>org.junit.jupiter</groupId>
+				<artifactId>junit-jupiter-params</artifactId>
+				<version>${junit.version}</version>
 				<scope>test</scope>
 			</dependency>
 			<dependency>
@@ -88,9 +95,27 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-surefire-plugin</artifactId>
-					<version>3.0.0-M1</version>
+					<version>3.0.0-M4</version>
 					<configuration>
 						<runOrder>random</runOrder>
+						<statelessTestsetReporter implementation="org.apache.maven.plugin.surefire.extensions.junit5.JUnit5Xml30StatelessReporter">
+							<disable>false</disable>
+							<usePhrasedFileName>false</usePhrasedFileName>
+							<usePhrasedTestSuiteClassName>false</usePhrasedTestSuiteClassName>
+							<usePhrasedTestCaseClassName>false</usePhrasedTestCaseClassName>
+							<usePhrasedTestCaseMethodName>true</usePhrasedTestCaseMethodName>
+						</statelessTestsetReporter>
+						<consoleOutputReporter implementation="org.apache.maven.plugin.surefire.extensions.junit5.JUnit5ConsoleOutputReporter">
+							<disable>false</disable>
+							<encoding>UTF-8</encoding>
+							<usePhrasedFileName>false</usePhrasedFileName>
+						</consoleOutputReporter>
+						<statelessTestsetInfoReporter implementation="org.apache.maven.plugin.surefire.extensions.junit5.JUnit5StatelessTestsetInfoReporter">
+							<disable>false</disable>
+							<usePhrasedFileName>false</usePhrasedFileName>
+							<usePhrasedClassNameInRunning>true</usePhrasedClassNameInRunning>
+							<usePhrasedClassNameInTestCaseSummary>false</usePhrasedClassNameInTestCaseSummary>
+						</statelessTestsetInfoReporter>
 					</configuration>
 				</plugin>
 				<plugin>