spark3-extensions/src/test/java/org/apache/iceberg/spark/extensions/SparkExtensionsTestBase.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.iceberg.spark.extensions;

import java.util.Map;
import org.apache.iceberg.hive.HiveCatalog;
import org.apache.iceberg.hive.TestHiveMetastore;
import org.apache.iceberg.spark.SparkCatalogTestBase;
import org.apache.iceberg.spark.SparkTestBase;
import org.apache.spark.sql.SparkSession;
import org.apache.spark.sql.internal.SQLConf;
import org.junit.BeforeClass;

import static org.apache.hadoop.hive.conf.HiveConf.ConfVars.METASTOREURIS;

public abstract class SparkExtensionsTestBase extends SparkCatalogTestBase {

  public SparkExtensionsTestBase(String catalogName, String implementation, Map<String, String> config) {
    super(catalogName, implementation, config);
  }

  @BeforeClass
  public static void startMetastoreAndSpark() {
    SparkTestBase.metastore = new TestHiveMetastore();
    metastore.start();
    SparkTestBase.hiveConf = metastore.hiveConf();

    SparkTestBase.spark = SparkSession.builder()
        .master("local[2]")
        .config("spark.testing", "true")
        .config(SQLConf.PARTITION_OVERWRITE_MODE().key(), "dynamic")
        .config("spark.sql.extensions", IcebergSparkSessionExtensions.class.getName())
        .config("spark.hadoop." + METASTOREURIS.varname, hiveConf.get(METASTOREURIS.varname))
        .config("spark.sql.shuffle.partitions", "4")
        .enableHiveSupport()
        .getOrCreate();

    SparkTestBase.catalog = new HiveCatalog(spark.sessionState().newHadoopConf());
  }
}