Github user tdas commented on a diff in the pull request: https://github.com/apache/spark/pull/20096#discussion_r160516280 --- Diff: external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaContinuousSuite.scala --- @@ -0,0 +1,133 @@ +/* + * 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.kafka010 + +import java.util.Properties +import java.util.concurrent.atomic.AtomicInteger + +import org.scalatest.time.SpanSugar._ +import scala.collection.mutable +import scala.util.Random + +import org.apache.spark.SparkContext +import org.apache.spark.sql.{DataFrame, Dataset, ForeachWriter, Row} +import org.apache.spark.sql.execution.datasources.v2.DataSourceV2Relation +import org.apache.spark.sql.execution.streaming.StreamExecution +import org.apache.spark.sql.execution.streaming.continuous.ContinuousExecution +import org.apache.spark.sql.streaming.{StreamTest, Trigger} +import org.apache.spark.sql.test.{SharedSQLContext, TestSparkSession} + +trait KafkaContinuousTest extends KafkaSourceTest { + override val defaultTrigger = Trigger.Continuous(1000) + override val defaultUseV2Sink = true + + // We need more than the default local[2] to be able to schedule all partitions simultaneously. + override protected def createSparkSession = new TestSparkSession( + new SparkContext( + "local[10]", + "continuous-stream-test-sql-context", + sparkConf.set("spark.sql.testkey", "true"))) + + override protected def setTopicPartitions( --- End diff -- Add comment on what this method does. It is asserting something, so does not look like it only "sets" something.
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