Match expected logs case-insensitively

Author: knutwalker

compatibility/api/neo4j-kernel-adapter/src/main/java/org/neo4j/gds/compat/TestLog.java

@@ -19,6 +19,7 @@
  */
 package org.neo4j.gds.compat;
 
+import org.intellij.lang.annotations.Language;
 import org.neo4j.gds.annotation.SuppressForbidden;
 import org.neo4j.logging.Log;
 
@@ -32,6 +33,8 @@ public interface TestLog extends Log {
 
     void assertContainsMessage(String level, String fragment);
 
+    void assertMessageMatches(String level, @Language("RegExp") String pattern);
+
     boolean containsMessage(String level, String fragment);
 
     boolean hasMessages(String level);

compatibility/common/neo4j-kernel-adapter/src/main/java/org/neo4j/gds/compat/TestLogImpl.java

@@ -26,6 +26,7 @@
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.ConcurrentMap;
+import java.util.regex.Pattern;
 
 public class TestLogImpl implements TestLog {
 
@@ -50,6 +51,23 @@ public void assertContainsMessage(String level, String fragment) {
         }
     }
 
+    @Override
+    public void assertMessageMatches(String level, String pattern) {
+        var compiled = Pattern.compile(pattern);
+        var messageList = messages.getOrDefault(level, new ConcurrentLinkedQueue<>());
+        if (messageList.stream().noneMatch(compiled.asPredicate())) {
+            throw new RuntimeException(
+                String.format(
+                    Locale.US,
+                    "Expected log output to match `%s` for log level `%s`%nLog messages:%n%s",
+                    pattern,
+                    level,
+                    String.join("\n", messageList)
+                )
+            );
+        }
+    }
+
     @Override
     public boolean containsMessage(String level, String fragment) {
         ConcurrentLinkedQueue<String> messageList = messages.getOrDefault(level, new ConcurrentLinkedQueue<>());