[SUREFIRE-1934] Ability to disable system-out/system-err for successf…

…ully passed tests

Co-authored-by: Michael Osipov <michaelo@apache.org>

This closes #670

maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/AbstractSurefireMojo.java

@@ -690,6 +690,16 @@ public abstract class AbstractSurefireMojo extends AbstractMojo implements Suref
     @Parameter(property = "enableAssertions", defaultValue = "true")
     private boolean enableAssertions;
 
+    /**
+     * Flag for including/excluding {@code <system-out />} and {@code <system-err />} elements for
+     * successfully passed tests in XML reports.
+     * Note that the default value may change to {@code false} is a future version.
+     *
+     * @since 3.3.1
+     */
+    @Parameter(property = "enableOutErrElements", defaultValue = "true")
+    private boolean enableOutErrElements;
+
     /**
      * The current build session instance.
      */
@@ -1474,6 +1484,10 @@ private void convertJunitCoreParameters() throws MojoExecutionException {
                         Double.toString(getParallelTestsTimeoutForcedInSeconds()));
         getProperties()
                 .setProperty(ProviderParameterNames.PARALLEL_OPTIMIZE_PROP, Boolean.toString(isParallelOptimized()));
+        getProperties()
+                .setProperty(
+                        ProviderParameterNames.ENABLE_OUT_ERR_ELEMENTS_PROP,
+                        Boolean.toString(isEnableOutErrElements()));
 
         String message = "parallel='" + usedParallel + '\''
                 + ", perCoreThreadCount=" + getPerCoreThreadCount()
@@ -1482,7 +1496,8 @@ private void convertJunitCoreParameters() throws MojoExecutionException {
                 + ", threadCountSuites=" + getThreadCountSuites()
                 + ", threadCountClasses=" + getThreadCountClasses()
                 + ", threadCountMethods=" + getThreadCountMethods()
-                + ", parallelOptimized=" + isParallelOptimized();
+                + ", parallelOptimized=" + isParallelOptimized()
+                + ", enableOutErrElements=" + isEnableOutErrElements();
 
         logDebugOrCliShowErrors(message);
     }
@@ -1976,6 +1991,7 @@ private StartupReportConfiguration getStartupReportConfiguration(String configCh
                 getReportSchemaLocation(),
                 getEncoding(),
                 isForking,
+                isEnableOutErrElements(),
                 xmlReporter,
                 outReporter,
                 testsetReporter);
@@ -2516,6 +2532,7 @@ private String getConfigChecksum() {
         checksum.add(getTempDir());
         checksum.add(useModulePath());
         checksum.add(getEnableProcessChecker());
+        checksum.add(isEnableOutErrElements());
         addPluginSpecificChecksumItems(checksum);
         return checksum.getSha1();
     }
@@ -3472,6 +3489,15 @@ public void setEnableAssertions(boolean enableAssertions) {
         this.enableAssertions = enableAssertions;
     }
 
+    public boolean isEnableOutErrElements() {
+        return enableOutErrElements;
+    }
+
+    @SuppressWarnings("UnusedDeclaration")
+    public void setEnableOutErrElements(boolean enableOutErrElements) {
+        this.enableOutErrElements = enableOutErrElements;
+    }
+
     public MavenSession getSession() {
         return session;
     }

maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/CommonReflector.java

@@ -86,6 +86,7 @@ private Object createStartupReportConfiguration(@Nonnull StartupReportConfigurat
                 String.class,
                 String.class,
                 boolean.class,
+                boolean.class,
                 statelessTestsetReporter,
                 consoleOutputReporter,
                 statelessTestsetInfoReporter);
@@ -103,6 +104,7 @@ private Object createStartupReportConfiguration(@Nonnull StartupReportConfigurat
             reporterConfiguration.getXsdSchemaLocation(),
             reporterConfiguration.getEncoding().name(),
             reporterConfiguration.isForking(),
+            reporterConfiguration.isEnableOutErrElements(),
             reporterConfiguration.getXmlReporter().clone(surefireClassLoader),
             reporterConfiguration.getConsoleOutputReporter().clone(surefireClassLoader),
             reporterConfiguration.getTestsetReporter().clone(surefireClassLoader)

maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/StartupReportConfiguration.java

@@ -85,6 +85,8 @@ public final class StartupReportConfiguration {
 
     private final boolean isForking;
 
+    private final boolean enableOutErrElements;
+
     private final SurefireStatelessReporter xmlReporter;
 
     private final SurefireConsoleOutputReporter consoleOutputReporter;
@@ -108,6 +110,7 @@ public StartupReportConfiguration(
             String xsdSchemaLocation,
             String encoding,
             boolean isForking,
+            boolean enableOutErrElements,
             SurefireStatelessReporter xmlReporter,
             SurefireConsoleOutputReporter consoleOutputReporter,
             SurefireStatelessTestsetInfoReporter testsetReporter) {
@@ -127,6 +130,7 @@ public StartupReportConfiguration(
         String charset = trimToNull(encoding);
         this.encoding = charset == null ? UTF_8 : Charset.forName(charset);
         this.isForking = isForking;
+        this.enableOutErrElements = enableOutErrElements;
         this.xmlReporter = xmlReporter;
         this.consoleOutputReporter = consoleOutputReporter;
         this.testsetReporter = testsetReporter;
@@ -177,6 +181,7 @@ public StatelessReportEventListener<WrappedReportEntry, TestSetStats> instantiat
                 trimStackTrace,
                 rerunFailingTestsCount,
                 xsdSchemaLocation,
+                enableOutErrElements,
                 testClassMethodRunHistory);
 
         return xmlReporter.isDisable() ? null : xmlReporter.createListener(xmlReporterConfig);
@@ -239,6 +244,10 @@ public boolean isForking() {
         return isForking;
     }
 
+    public boolean isEnableOutErrElements() {
+        return enableOutErrElements;
+    }
+
     private File resolveReportsDirectory(Integer forkNumber) {
         return forkNumber == null ? reportsDirectory : replaceForkThreadsInPath(reportsDirectory, forkNumber);
     }

maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/extensions/DefaultStatelessReportMojoConfiguration.java

@@ -43,8 +43,15 @@ public DefaultStatelessReportMojoConfiguration(
             boolean trimStackTrace,
             int rerunFailingTestsCount,
             String xsdSchemaLocation,
+            boolean enableOutErrElements,
             Map<String, Deque<WrappedReportEntry>> testClassMethodRunHistory) {
-        super(reportsDirectory, reportNameSuffix, trimStackTrace, rerunFailingTestsCount, xsdSchemaLocation);
+        super(
+                reportsDirectory,
+                reportNameSuffix,
+                trimStackTrace,
+                rerunFailingTestsCount,
+                xsdSchemaLocation,
+                enableOutErrElements);
         this.testClassMethodRunHistory = testClassMethodRunHistory;
     }
 

maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/extensions/SurefireStatelessReporter.java

@@ -68,7 +68,8 @@ public StatelessReportEventListener<WrappedReportEntry, TestSetStats> createList
                 false,
                 false,
                 false,
-                false);
+                false,
+                configuration.isEnableOutErrElements());
     }
 
     @Override

maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/extensions/junit5/JUnit5Xml30StatelessReporter.java

@@ -107,7 +107,8 @@ public StatelessReportEventListener<WrappedReportEntry, TestSetStats> createList
                 getUsePhrasedFileName(),
                 getUsePhrasedTestSuiteClassName(),
                 getUsePhrasedTestCaseClassName(),
-                getUsePhrasedTestCaseMethodName());
+                getUsePhrasedTestCaseMethodName(),
+                configuration.isEnableOutErrElements());
     }
 
     @Override

maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/report/NullStatelessXmlReporter.java

@@ -29,7 +29,7 @@ class NullStatelessXmlReporter extends StatelessXmlReporter {
     static final NullStatelessXmlReporter INSTANCE = new NullStatelessXmlReporter();
 
     private NullStatelessXmlReporter() {
-        super(null, null, false, 0, null, null, null, false, false, false, false);
+        super(null, null, false, 0, null, null, null, false, false, false, false, true);
     }
 
     @Override

maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/report/StatelessXmlReporter.java

@@ -116,6 +116,8 @@ public class StatelessXmlReporter implements StatelessReportEventListener<Wrappe
 
     private final boolean phrasedMethodName;
 
+    private final boolean enableOutErrElements;
+
     public StatelessXmlReporter(
             File reportsDirectory,
             String reportNameSuffix,
@@ -127,13 +129,15 @@ public StatelessXmlReporter(
             boolean phrasedFileName,
             boolean phrasedSuiteName,
             boolean phrasedClassName,
-            boolean phrasedMethodName) {
+            boolean phrasedMethodName,
+            boolean enableOutErrElements) {
         this.reportsDirectory = reportsDirectory;
         this.reportNameSuffix = reportNameSuffix;
         this.trimStackTrace = trimStackTrace;
         this.rerunFailingTestsCount = rerunFailingTestsCount;
         this.testClassMethodRunHistoryMap = testClassMethodRunHistoryMap;
         this.xsdSchemaLocation = xsdSchemaLocation;
+        this.enableOutErrElements = enableOutErrElements;
         this.xsdVersion = xsdVersion;
         this.phrasedFileName = phrasedFileName;
         this.phrasedSuiteName = phrasedSuiteName;
@@ -228,7 +232,9 @@ private void serializeTestClassWithoutRerun(
                         methodEntry.getReportEntryType().getXmlTag(),
                         false);
             }
-            createOutErrElements(fw, ppw, methodEntry, outputStream);
+            if (methodEntry.getReportEntryType() != SUCCESS || enableOutErrElements) {
+                createOutErrElements(fw, ppw, methodEntry, outputStream);
+            }
             ppw.endElement();
         }
     }

maven-surefire-common/src/test/java/org/apache/maven/plugin/surefire/CommonReflectorTest.java

@@ -82,6 +82,7 @@ public void setup() {
                 null,
                 null,
                 false,
+                true,
                 xmlReporter,
                 consoleOutputReporter,
                 infoReporter);

maven-surefire-common/src/test/java/org/apache/maven/plugin/surefire/booterclient/ForkStarterTest.java

@@ -162,6 +162,7 @@ public void processShouldExitWithoutSayingGoodBye() throws Exception {
                 null,
                 null,
                 true,
+                true,
                 xmlReporter,
                 outputReporter,
                 statelessTestsetInfoReporter);
@@ -247,6 +248,7 @@ public void processShouldWaitForAck() throws Exception {
                 null,
                 null,
                 true,
+                true,
                 xmlReporter,
                 outputReporter,
                 statelessTestsetInfoReporter);

maven-surefire-common/src/test/java/org/apache/maven/plugin/surefire/booterclient/TestSetMockReporterFactory.java

@@ -66,6 +66,7 @@ private static StartupReportConfiguration defaultValue() {
                 null,
                 null,
                 true,
+                true,
                 new SurefireStatelessReporter(),
                 new SurefireConsoleOutputReporter(),
                 new SurefireStatelessTestsetInfoReporter());

maven-surefire-common/src/test/java/org/apache/maven/plugin/surefire/extensions/StatelessReporterTest.java

@@ -66,7 +66,7 @@ public void shouldCreateConsoleListener() {
         String schema = "https://maven.apache.org/surefire/maven-surefire-plugin/xsd/surefire-test-report.xsd";
         Map<String, Deque<WrappedReportEntry>> testClassMethodRunHistory = new HashMap<>();
         DefaultStatelessReportMojoConfiguration config = new DefaultStatelessReportMojoConfiguration(
-                reportsDirectory, reportNameSuffix, true, 5, schema, testClassMethodRunHistory);
+                reportsDirectory, reportNameSuffix, true, 5, schema, true, testClassMethodRunHistory);
         SurefireStatelessReporter extension = new SurefireStatelessReporter();
 
         assertThat(extension.getVersion()).isEqualTo("3.0.1");
@@ -141,7 +141,7 @@ public void shouldCreateJUnit5ConsoleListener() {
         String schema = "https://maven.apache.org/surefire/maven-surefire-plugin/xsd/surefire-test-report.xsd";
         Map<String, Deque<WrappedReportEntry>> testClassMethodRunHistory = new HashMap<>();
         DefaultStatelessReportMojoConfiguration config = new DefaultStatelessReportMojoConfiguration(
-                reportsDirectory, reportNameSuffix, true, 5, schema, testClassMethodRunHistory);
+                reportsDirectory, reportNameSuffix, true, 5, schema, true, testClassMethodRunHistory);
         JUnit5Xml30StatelessReporter extension = new JUnit5Xml30StatelessReporter();
 
         assertThat(extension.getVersion()).isEqualTo("3.0.1");

maven-surefire-common/src/test/java/org/apache/maven/plugin/surefire/report/DefaultReporterFactoryTest.java

@@ -85,6 +85,7 @@ public void testMergeTestHistoryResult() throws Exception {
                 null,
                 null,
                 false,
+                true,
                 new SurefireStatelessReporter(),
                 new SurefireConsoleOutputReporter(),
                 new SurefireStatelessTestsetInfoReporter());
@@ -288,6 +289,7 @@ public void testLogger() {
                 null,
                 null,
                 false,
+                true,
                 new SurefireStatelessReporter(),
                 new SurefireConsoleOutputReporter(),
                 new SurefireStatelessTestsetInfoReporter());
@@ -352,6 +354,7 @@ public void testCreateReporterWithZeroStatistics() {
                 null,
                 null,
                 false,
+                true,
                 new SurefireStatelessReporter(),
                 new SurefireConsoleOutputReporter(),
                 new SurefireStatelessTestsetInfoReporter());

maven-surefire-common/src/test/java/org/apache/maven/plugin/surefire/report/StatelessXmlReporterTest.java

@@ -109,7 +109,8 @@ public void testFileNameWithoutSuffix() {
                 false,
                 false,
                 false,
-                false);
+                false,
+                true);
         reporter.cleanTestHistoryMap();
 
         ReportEntry reportEntry = new SimpleReportEntry(
@@ -169,7 +170,8 @@ public void testAllFieldsSerialized() throws IOException {
                 false,
                 false,
                 false,
-                false);
+                false,
+                true);
         reporter.testSetCompleted(testSetReportEntry, stats);
 
         FileInputStream fileInputStream = new FileInputStream(expectedReportFile);
@@ -271,7 +273,8 @@ public void testOutputRerunFlakyFailure() throws IOException {
                 false,
                 false,
                 false,
-                false);
+                false,
+                true);
 
         reporter.testSetCompleted(testSetReportEntry, stats);
         reporter.testSetCompleted(testSetReportEntry, rerunStats);
@@ -370,7 +373,7 @@ public void testOutputRerunFlakyAssumption() throws IOException {
         rerunStats.testSucceeded(testTwoSecondError);
 
         StatelessXmlReporter reporter = new StatelessXmlReporter(
-                reportDir, null, false, 1, new HashMap<>(), XSD, "3.0.1", false, false, false, false);
+                reportDir, null, false, 1, new HashMap<>(), XSD, "3.0.1", false, false, false, false, true);
 
         WrappedReportEntry testSetReportEntry = new WrappedReportEntry(
                 new SimpleReportEntry(
@@ -534,7 +537,7 @@ public void testReporterHandlesATestWithoutMessageAndWithEmptyStackTrace() {
                 null);
 
         StatelessXmlReporter reporter = new StatelessXmlReporter(
-                reportDir, null, false, 1, new HashMap<>(), XSD, "3.0.1", false, false, false, false);
+                reportDir, null, false, 1, new HashMap<>(), XSD, "3.0.1", false, false, false, false, true);
 
         reporter.testSetCompleted(testReport, stats);
     }

surefire-api/src/main/java/org/apache/maven/surefire/api/booter/ProviderParameterNames.java

@@ -45,4 +45,6 @@ public class ProviderParameterNames {
     public static final String PARALLEL_TIMEOUTFORCED_PROP = "paralleltimeoutforced";
 
     public static final String PARALLEL_OPTIMIZE_PROP = "paralleloptimization";
+
+    public static final String ENABLE_OUT_ERR_ELEMENTS_PROP = "enableouterrelements";
 }

surefire-extensions-api/src/main/java/org/apache/maven/surefire/extensions/StatelessReportMojoConfiguration.java

@@ -36,17 +36,21 @@ public class StatelessReportMojoConfiguration {
 
     private final String xsdSchemaLocation;
 
+    private final boolean enableOutErrElements;
+
     public StatelessReportMojoConfiguration(
             File reportsDirectory,
             String reportNameSuffix,
             boolean trimStackTrace,
             int rerunFailingTestsCount,
-            String xsdSchemaLocation) {
+            String xsdSchemaLocation,
+            boolean enableOutErrElements) {
         this.reportsDirectory = reportsDirectory;
         this.reportNameSuffix = reportNameSuffix;
         this.trimStackTrace = trimStackTrace;
         this.rerunFailingTestsCount = rerunFailingTestsCount;
         this.xsdSchemaLocation = xsdSchemaLocation;
+        this.enableOutErrElements = enableOutErrElements;
     }
 
     public File getReportsDirectory() {
@@ -68,4 +72,8 @@ public int getRerunFailingTestsCount() {
     public String getXsdSchemaLocation() {
         return xsdSchemaLocation;
     }
+
+    public boolean isEnableOutErrElements() {
+        return enableOutErrElements;
+    }
 }