[FLINK-30316][statebackend] Migrate tests to JUnit5

flink-state-backends/flink-statebackend-common/pom.xml

@@ -74,4 +74,25 @@ under the License.
 
  </dependencies>
 
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-jar-plugin</artifactId>
+ <executions>
+ <execution>
+ <goals>
+ <goal>test-jar</goal>
+ </goals>
+ <configuration>
+ <excludes>
+ <!-- test-jar is still used by JUnit4 modules -->
+ <exclude>META-INF/services/org.junit.jupiter.api.extension.Extension</exclude>
+ </excludes>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
 </project>

flink-state-backends/flink-statebackend-common/src/test/java/org/apache/flink/state/common/PeriodicMaterializationManagerTest.java

@@ -21,21 +21,19 @@
 import org.apache.flink.runtime.mailbox.SyncMailboxExecutor;
 import org.apache.flink.runtime.metrics.groups.UnregisteredMetricGroups;
 import org.apache.flink.state.common.PeriodicMaterializationManager.MaterializationTarget;
-import org.apache.flink.util.TestLogger;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
 import static org.apache.flink.shaded.guava30.com.google.common.collect.Iterators.getOnlyElement;
 import static org.apache.flink.util.concurrent.Executors.newDirectExecutorService;
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.Matchers.lessThanOrEqualTo;
+import static org.assertj.core.api.Assertions.assertThat;
 
 /** {@link PeriodicMaterializationManager} test. */
-public class PeriodicMaterializationManagerTest extends TestLogger {
+class PeriodicMaterializationManagerTest {
 
  @Test
- public void testInitialDelay() {
+ void testInitialDelay() {
  ManuallyTriggeredScheduledExecutorService scheduledExecutorService =
  new ManuallyTriggeredScheduledExecutorService();
  long periodicMaterializeDelay = 10_000L;
@@ -56,12 +54,16 @@ public void testInitialDelay() {
  test.start();
 
  assertThat(
- String.format(
- "task for initial materialization should be scheduled with a 0..%d delay",
- periodicMaterializeDelay),
- getOnlyElement(scheduledExecutorService.getAllScheduledTasks().iterator())
- .getDelay(MILLISECONDS),
- lessThanOrEqualTo(periodicMaterializeDelay));
+ getOnlyElement(
+ scheduledExecutorService
+ .getAllScheduledTasks()
+ .iterator())
+ .getDelay(MILLISECONDS))
+ .as(
+ String.format(
+ "task for initial materialization should be scheduled with a 0..%d delay",
+ periodicMaterializeDelay))
+ .isLessThanOrEqualTo(periodicMaterializeDelay);
  }
  }
 }

flink-state-backends/flink-statebackend-common/src/test/resources/META-INF/services/org.junit.jupiter.api.extension.Extension

@@ -0,0 +1,16 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http:https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+org.apache.flink.util.TestLoggerExtension