CB-575: filter MCP cancellation warnings

2026-08-15 05:57:45 +02:00
parent 8a53d5bfc6
commit 46fa4f38d5
4 changed files with 80 additions and 1 deletions
@@ -0,0 +1,37 @@
+package dev.ltms.bridged.logging;
+
+import ch.qos.logback.classic.Level;
+import ch.qos.logback.classic.Logger;
+import ch.qos.logback.classic.spi.ILoggingEvent;
+import ch.qos.logback.core.read.ListAppender;
+import io.modelcontextprotocol.spec.McpSchema;
+import org.junit.jupiter.api.Test;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class McpCancelledNotificationFilterTest {
+
+    @Test
+    void suppressesOnlyTheCancelledNotificationWarning() {
+        Logger logger = (Logger) LoggerFactory.getLogger(McpCancelledNotificationFilter.LOGGER);
+        ListAppender<ILoggingEvent> appender = new ListAppender<>();
+        appender.start();
+        logger.addAppender(appender);
+        try {
+            logger.warn(McpCancelledNotificationFilter.UNHANDLED_NOTIFICATION,
+                    new McpSchema.JSONRPCNotification("notifications/cancelled", Map.of("requestId", 7)));
+            logger.warn(McpCancelledNotificationFilter.UNHANDLED_NOTIFICATION,
+                    new McpSchema.JSONRPCNotification("notifications/progress", Map.of("progress", 1)));
+
+            assertEquals(1, appender.list.size());
+            assertEquals(Level.WARN, appender.list.getFirst().getLevel());
+            assertTrue(appender.list.getFirst().getFormattedMessage().contains("notifications/progress"));
+        } finally {
+            logger.detachAppender(appender);
+        }
+    }
+}