davidradl commented on code in PR #25813:
URL: https://github.com/apache/flink/pull/25813#discussion_r1894005895
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flink-core/src/test/java/org/apache/flink/util/MdcUtilsTest.java:
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@@ -50,6 +56,19 @@ class MdcUtilsTest {
public final LoggerAuditingExtension loggerExtension =
new LoggerAuditingExtension(MdcUtilsTest.class, DEBUG);
+ @Test
+ void testContextRestorationWorksWithNullContext() {
+ try (MockedStatic<MDC> mockStatic = Mockito.mockStatic(MDC.class, new
CallsRealMethods())) {
+ mockStatic.when(MDC::getCopyOfContextMap).thenReturn(null);
+ mockStatic.when(() -> MDC.setContextMap(isNull()))
+ .thenThrow(NullPointerException.class);
+
+ MdcCloseable restoreContext =
MdcUtils.withContext(Collections.singletonMap("k", "v"));
+ assertThat(MDC.get("k")).isEqualTo("v");
+ assertDoesNotThrow(restoreContext::close);
Review Comment:
could we have a test for .clear() also please
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