HBASE-29608 Add test to make sure we do not have copy paste errors in the TAG value (#7324)

Signed-off-by: Istvan Toth <[email protected]>

Author: Apache9

hbase-common/src/test/java/org/apache/hadoop/hbase/TestJUnit5TagConstants.java

@@ -0,0 +1,48 @@
+/*
+ * 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://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.
+ */
+package org.apache.hadoop.hbase;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.lang.reflect.Field;
+import java.util.concurrent.TimeUnit;
+import org.apache.hadoop.hbase.testclassification.ClientTests;
+import org.apache.hadoop.hbase.testclassification.MiscTests;
+import org.apache.hadoop.hbase.testclassification.SmallTests;
+import org.junit.jupiter.api.Tag;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Timeout;
+
+/**
+ * Verify that the values are all correct.
+ */
+@Tag(MiscTests.TAG)
+@Tag(SmallTests.TAG)
+// TODO: this is the timeout for each method, not the whole class
+@Timeout(value = 1, unit = TimeUnit.MINUTES)
+public class TestJUnit5TagConstants {
+
+  @Test
+  public void testVerify() throws Exception {
+    ClassFinder finder = new ClassFinder(getClass().getClassLoader());
+    for (Class<?> annoClazz : finder.findClasses(ClientTests.class.getPackageName(), false)) {
+      Field field = annoClazz.getField("TAG");
+      assertEquals(annoClazz.getName(), field.get(null));
+    }
+  }
+}