/* * 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.sources.v2 import org.apache.spark.SparkFunSuite import org.apache.spark.sql.execution.datasources.v2.DataSourceV2Utils import org.apache.spark.sql.internal.SQLConf class DataSourceV2UtilsSuite extends SparkFunSuite { private val keyPrefix = new DataSourceV2WithSessionConfig().keyPrefix test("method withSessionConfig() should propagate session configs correctly") { // Only match configs with keys start with "spark.datasource.${keyPrefix}". val conf = new SQLConf conf.setConfString(s"spark.datasource.$keyPrefix.foo.bar", "false") conf.setConfString(s"spark.datasource.$keyPrefix.whateverConfigName", "123") conf.setConfString(s"spark.sql.$keyPrefix.config.name", "false") conf.setConfString("spark.datasource.another.config.name", "123") conf.setConfString(s"spark.datasource.$keyPrefix.", "123") val cs = classOf[DataSourceV2WithSessionConfig].newInstance() val confs = DataSourceV2Utils.extractSessionConfigs(cs.asInstanceOf[DataSourceV2], conf) assert(confs.size == 2) assert(confs.keySet.filter(_.startsWith("spark.datasource")).size == 0) assert(confs.keySet.filter(_.startsWith("not.exist.prefix")).size == 0) assert(confs.keySet.contains("foo.bar")) assert(confs.keySet.contains("whateverConfigName")) } } class DataSourceV2WithSessionConfig extends SimpleDataSourceV2 with SessionConfigSupport { override def keyPrefix: String = "userDefinedDataSource" }