Github user gvramana commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1686#discussion_r158285314
--- Diff:
integration/spark2/src/test/scala/org/apache/carbondata/spark/util/DictionaryLRUCacheTestCase.scala
---
@@ -0,0 +1,424 @@
+/*
+ * 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.carbondata.spark.util
+
+import java.io.File
+
+import scala.collection.JavaConverters._
+
+import org.apache.spark.sql.common.util.Spark2QueryTest
+import org.apache.spark.sql.hive.CarbonRelation
+import org.apache.spark.sql.test.Spark2TestQueryExecutor
+import org.apache.spark.sql.{CarbonEnv, SparkSession}
+import org.scalatest.BeforeAndAfterAll
+
+import org.apache.carbondata.core.cache.{Cache, CacheProvider, CacheType}
+import org.apache.carbondata.core.cache.dictionary.{Dictionary,
DictionaryColumnUniqueIdentifier}
+import org.apache.carbondata.core.constants.CarbonCommonConstants
+import org.apache.carbondata.core.util.{CarbonProperties, CarbonUtil}
+
+/**
+ * Test Case for
org.apache.carbondata.integration.spark.util.GlobalDictionaryUtil
+ */
+class DictionaryLRUCacheTestCase extends Spark2QueryTest with
BeforeAndAfterAll {
+ var spark : SparkSession = null
+ var path : String = null
+
+ def createCarbonSession(appName: String): SparkSession = {
+ val rootPath = new File(this.getClass.getResource("/").getPath
+ + "../../../..").getCanonicalPath
+ val storeLocation = s"$rootPath/examples/spark2/target/store"
+ val warehouse = s"$rootPath/examples/spark2/target/warehouse"
+
+ CarbonProperties.getInstance()
+ .addProperty(CarbonCommonConstants.CARBON_TIMESTAMP_FORMAT,
"yyyy/MM/dd HH:mm:ss")
+ .addProperty(CarbonCommonConstants.CARBON_DATE_FORMAT, "yyyy/MM/dd")
+
.addProperty(CarbonCommonConstants.ENABLE_UNSAFE_COLUMN_PAGE_LOADING, "true")
+ .addProperty(CarbonCommonConstants.CARBON_BADRECORDS_LOC, "")
--- End diff --
These values should be reset after failure/execution
---
