dump timezone and offset for junit reporter xml timestamp

junit-platform-engine/src/main/java/org/junit/platform/engine/reporting/ReportEntry.java

@@ -13,6 +13,7 @@
 import static org.apiguardian.api.API.Status.STABLE;
 
 import java.time.LocalDateTime;
+import java.time.ZonedDateTime;
 import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.Map;
@@ -32,7 +33,7 @@
 @API(status = STABLE, since = "1.0")
 public final class ReportEntry {
 
-	private final LocalDateTime timestamp = LocalDateTime.now();
+	private final ZonedDateTime timestamp = ZonedDateTime.now();
 	private final Map<String, String> keyValuePairs = new LinkedHashMap<>();
 
 	/**
@@ -86,6 +87,17 @@ public final Map<String, String> getKeyValuePairs() {
 	 * @return when this entry was created; never {@code null}
 	 */
 	public final LocalDateTime getTimestamp() {
+		return this.timestamp.toLocalDateTime();
+	}
+
+	/**
+	 * Get the zoned timestamp for when and where this {@code ReportEntry} was created.
+	 *
+	 * <p>Can be used, for example, to order entries.
+	 *
+	 * @return when this entry was created; never {@code null}
+	 */
+	public final ZonedDateTime getZonedTimestamp() {
 		return this.timestamp;
 	}
 

junit-platform-reporting/src/main/java/org/junit/platform/reporting/legacy/xml/XmlReportWriter.java

@@ -11,7 +11,7 @@
 package org.junit.platform.reporting.legacy.xml;
 
 import static java.text.MessageFormat.format;
-import static java.time.format.DateTimeFormatter.ISO_LOCAL_DATE_TIME;
+import static java.time.format.DateTimeFormatter.ISO_ZONED_DATE_TIME;
 import static java.util.stream.Collectors.toList;
 import static org.junit.platform.commons.util.ExceptionUtils.readStackTrace;
 import static org.junit.platform.commons.util.StringUtils.isNotBlank;
@@ -23,7 +23,7 @@
 import java.net.InetAddress;
 import java.net.UnknownHostException;
 import java.text.NumberFormat;
-import java.time.LocalDateTime;
+import java.time.ZonedDateTime;
 import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.List;
@@ -116,7 +116,7 @@ private void writeSuiteAttributes(TestIdentifier testIdentifier, List<TestIdenti
 		writeTestCounts(tests, writer);
 		writeAttributeSafely(writer, "time", getTime(testIdentifier, numberFormat));
 		writeAttributeSafely(writer, "hostname", getHostname().orElse("<unknown host>"));
-		writeAttributeSafely(writer, "timestamp", ISO_LOCAL_DATE_TIME.format(getCurrentDateTime()));
+		writeAttributeSafely(writer, "timestamp", ISO_ZONED_DATE_TIME.format(getCurrentDateTime()));
 	}
 
 	private void writeTestCounts(List<TestIdentifier> tests, XMLStreamWriter writer) throws XMLStreamException {
@@ -236,7 +236,7 @@ private void collectReportEntries(TestIdentifier testIdentifier, List<String> sy
 					systemOutElementsForCapturedOutput);
 				removeIfPresentAndAddAsSeparateElement(keyValuePairs, STDERR_REPORT_ENTRY_KEY, systemErrElements);
 				if (!keyValuePairs.isEmpty()) {
-					buildReportEntryDescription(reportEntry.getTimestamp(), keyValuePairs, i + 1,
+					buildReportEntryDescription(reportEntry.getZonedTimestamp(), keyValuePairs, i + 1,
 						formattedReportEntries);
 				}
 			}
@@ -253,10 +253,10 @@ private void removeIfPresentAndAddAsSeparateElement(Map<String, String> keyValue
 		}
 	}
 
-	private void buildReportEntryDescription(LocalDateTime timestamp, Map<String, String> keyValuePairs,
+	private void buildReportEntryDescription(ZonedDateTime timestamp, Map<String, String> keyValuePairs,
 			int entryNumber, StringBuilder result) {
 		result.append(
-			format("Report Entry #{0} (timestamp: {1})\n", entryNumber, ISO_LOCAL_DATE_TIME.format(timestamp)));
+			format("Report Entry #{0} (timestamp: {1})\n", entryNumber, ISO_ZONED_DATE_TIME.format(timestamp)));
 		keyValuePairs.forEach((key, value) -> result.append(format("\t- {0}: {1}\n", key, value)));
 	}
 
@@ -273,8 +273,8 @@ private Optional<String> getHostname() {
 		}
 	}
 
-	private LocalDateTime getCurrentDateTime() {
-		return LocalDateTime.now(this.reportData.getClock()).withNano(0);
+	private ZonedDateTime getCurrentDateTime() {
+		return ZonedDateTime.now(this.reportData.getClock()).withNano(0);
 	}
 
 	private String formatNonStandardAttributesAsString(TestIdentifier testIdentifier) {

platform-tests/src/test/java/org/junit/platform/reporting/legacy/xml/LegacyXmlReportGeneratingListenerTests.java

@@ -32,7 +32,6 @@
 import java.time.Clock;
 import java.time.Duration;
 import java.time.Instant;
-import java.time.LocalDateTime;
 import java.time.Year;
 import java.time.ZoneId;
 import java.time.ZonedDateTime;
@@ -317,10 +316,11 @@ void writesHostNameAndTimestamp(@TempDir Path tempDirectory) throws Exception {
 		engine.addTest("test", () -> {
 		});
 
-		LocalDateTime now = LocalDateTime.parse("2016-01-28T14:02:59.123");
-		ZoneId zone = ZoneId.systemDefault();
+		String timestamp = "2016-01-28T14:02:59Z[Europe/London]";
+		ZonedDateTime now = ZonedDateTime.parse(timestamp);
+		ZoneId zone = now.getZone();
 
-		executeTests(engine, tempDirectory, Clock.fixed(ZonedDateTime.of(now, zone).toInstant(), zone));
+		executeTests(engine, tempDirectory, Clock.fixed(now.toInstant(), zone));
 
 		String content = readValidXmlFile(tempDirectory.resolve("TEST-dummy.xml"));
 
@@ -329,7 +329,7 @@ void writesHostNameAndTimestamp(@TempDir Path tempDirectory) throws Exception {
 			.containsSubsequence(
 				"<testsuite",
 				"hostname=\"" + InetAddress.getLocalHost().getHostName() + "\"",
-				"timestamp=\"2016-01-28T14:02:59\"",
+				"timestamp=\"" + timestamp + "\"",
 				"<testcase",
 				"</testsuite>");
 		// @formatter:on