improves test logging

Signed-off-by: Oleh Dokuka <[email protected]>

Author: OlegDokuka

build.gradle

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2018 the original author or authors.
+ * Copyright 2015-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,7 +26,7 @@ plugins {
 subprojects {
     apply plugin: 'io.spring.dependency-management'
     apply plugin: 'com.github.sherter.google-java-format'
-    
+
     ext['reactor-bom.version'] = 'Dysprosium-SR6'
     ext['logback.version'] = '1.2.3'
     ext['findbugs.version'] = '3.0.2'
@@ -109,25 +109,61 @@ subprojects {
         }
 
         javadoc {
+            def jdk = JavaVersion.current().majorVersion
+            def jdkJavadoc = "https://docs.oracle.com/javase/$jdk/docs/api/"
+            if (JavaVersion.current().isJava11Compatible()) {
+                jdkJavadoc = "https://docs.oracle.com/en/java/javase/$jdk/docs/api/"
+            }
             options.with {
-                links 'https://docs.oracle.com/javase/8/docs/api/'
+                links jdkJavadoc
                 links 'https://projectreactor.io/docs/core/release/api/'
                 links 'https://netty.io/4.1/api/'
             }
         }
 
+        tasks.named("javadoc").configure {
+            onlyIf { System.getenv('SKIP_RELEASE') != "true" }
+        }
+
         test {
             useJUnitPlatform()
 
+            systemProperty "io.netty.leakDetection.level", "ADVANCED"
+        }
+
+        //all test tasks will show FAILED for each test method,
+        // common exclusions, no scanning
+        project.tasks.withType(Test).all {
             testLogging {
-                events "started", "passed", "skipped", "failed"
+                events "FAILED"
+                showExceptions true
+                exceptionFormat "FULL"
+                stackTraceFilters "ENTRY_POINT"
+                maxGranularity 3
             }
 
-            systemProperty "io.netty.leakDetection.level", "ADVANCED"
-        }
+            if (JavaVersion.current().isJava9Compatible()) {
+                println "Java 9+: lowering MaxGCPauseMillis to 20ms in ${project.name} ${name}"
+                jvmArgs = ["-XX:MaxGCPauseMillis=20"]
+            }
 
-        tasks.named("javadoc").configure {
-            onlyIf { System.getenv('SKIP_RELEASE') != "true" }
+            systemProperty("java.awt.headless", "true")
+            systemProperty("reactor.trace.cancel", "true")
+            systemProperty("reactor.trace.nocapacity", "true")
+            systemProperty("testGroups", project.properties.get("testGroups"))
+            scanForTestClasses = false
+            exclude '**/*Abstract*.*'
+
+            //allow re-run of failed tests only without special test tasks failing
+            // because the filter is too restrictive
+            filter.setFailOnNoMatchingTests(false)
+
+            //display intermediate results for special test tasks
+            afterSuite { desc, result ->
+                if (!desc.parent) { // will match the outermost suite
+                    println('\n' + "${desc} Results: ${result.resultType} (${result.testCount} tests, ${result.successfulTestCount} successes, ${result.failedTestCount} failures, ${result.skippedTestCount} skipped)")
+                }
+            }
         }
     }