Github user tdas commented on a diff in the pull request: https://github.com/apache/spark/pull/15626#discussion_r85606228 --- Diff: sql/core/src/test/scala/org/apache/spark/sql/execution/streaming/OffsetSeqLogSuite.scala --- @@ -0,0 +1,65 @@ +/* + * 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.spark.sql.execution.streaming + +import java.io.File + +import org.json4s.NoTypeHints +import org.json4s.jackson.Serialization + +import org.apache.spark.SparkFunSuite +import org.apache.spark.sql.test.SharedSQLContext + +class OffsetSeqLogSuite extends SparkFunSuite with SharedSQLContext { + + private implicit val formats = Serialization.formats(NoTypeHints) + + testWithUninterruptibleThread("OffsetSeqLogSuite: basic") { + withTempDir { temp => + val dir = new File(temp, "dir") // use non-existent directory to test whether log make the dir + val metadataLog = new OffsetSeqLog("v1", spark, dir.getAbsolutePath) + val batch0 = OffsetSeq.fill(LongOffset(0)) + val batch1 = OffsetSeq.fill(LongOffset(1), LongOffset(2)) --- End diff -- would like to see this test with mixed offset types. how about define a custom offset and use that.
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