Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/957#discussion_r140936599
--- Diff:
exec/java-exec/src/test/java/org/apache/drill/exec/server/options/PersistedOptionValueTest.java
---
@@ -0,0 +1,226 @@
+/**
+ * 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.drill.exec.server.options;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.drill.common.util.FileUtils;
+import org.apache.drill.exec.serialization.JacksonSerializer;
+import org.apache.drill.exec.store.sys.PersistentStoreConfig;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.io.IOException;
+
+public class PersistedOptionValueTest {
+ /**
+ * DRILL-5809
+ * Note: If this test breaks you are probably breaking backward and
forward compatibility. Verify with the community
--- End diff --
Great comment!
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