rdblue commented on a change in pull request #2660: URL: https://github.com/apache/iceberg/pull/2660#discussion_r658885975
########## File path: spark3/src/test/java/org/apache/iceberg/spark/source/TestStructuredStreamingRead3.java ########## @@ -0,0 +1,415 @@ +/* + * 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.iceberg.spark.source; + +import java.io.File; +import java.util.Collections; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeoutException; +import org.apache.hadoop.conf.Configuration; +import org.apache.iceberg.AssertHelpers; +import org.apache.iceberg.BaseTable; +import org.apache.iceberg.DataOperations; +import org.apache.iceberg.DeleteFile; +import org.apache.iceberg.Files; +import org.apache.iceberg.Schema; +import org.apache.iceberg.Table; +import org.apache.iceberg.TableMetadata; +import org.apache.iceberg.TableOperations; +import org.apache.iceberg.TestHelpers; +import org.apache.iceberg.data.FileHelpers; +import org.apache.iceberg.data.GenericRecord; +import org.apache.iceberg.data.Record; +import org.apache.iceberg.expressions.Expressions; +import org.apache.iceberg.relocated.com.google.common.collect.Iterables; +import org.apache.iceberg.relocated.com.google.common.collect.Lists; +import org.apache.iceberg.spark.SparkCatalogTestBase; +import org.apache.iceberg.types.Types; +import org.apache.spark.sql.Dataset; +import org.apache.spark.sql.Encoders; +import org.apache.spark.sql.Row; +import org.apache.spark.sql.streaming.DataStreamWriter; +import org.apache.spark.sql.streaming.OutputMode; +import org.apache.spark.sql.streaming.StreamingQuery; +import org.apache.spark.sql.streaming.StreamingQueryException; +import org.apache.spark.sql.streaming.Trigger; +import org.assertj.core.api.Assertions; +import org.junit.After; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Rule; +import org.junit.Test; +import org.junit.rules.ExpectedException; +import org.junit.rules.TemporaryFolder; +import org.junit.runner.RunWith; +import org.junit.runners.Parameterized; + +import static org.apache.iceberg.expressions.Expressions.ref; +import static org.apache.iceberg.types.Types.NestedField.optional; + +@RunWith(Parameterized.class) +public final class TestStructuredStreamingRead3 extends SparkCatalogTestBase { + public TestStructuredStreamingRead3( + String catalogName, String implementation, Map<String, String> config) { + super(catalogName, implementation, config); + } + + private Table table; + private String tableIdentifier; + + private static final Configuration CONF = new Configuration(); + private static final Schema SCHEMA = new Schema( + optional(1, "id", Types.IntegerType.get()), + optional(2, "data", Types.StringType.get()) + ); + + /** + * test data to be used by multiple writes + * each write creates a snapshot and writes a list of records + */ + private static final List<List<SimpleRecord>> TEST_DATA_MULTIPLE_SNAPSHOTS = Lists.newArrayList( + Lists.newArrayList( + new SimpleRecord(1, "one"), + new SimpleRecord(2, "two"), + new SimpleRecord(3, "three")), + Lists.newArrayList( + new SimpleRecord(4, "four"), + new SimpleRecord(5, "five")), + Lists.newArrayList( + new SimpleRecord(6, "six"), + new SimpleRecord(7, "seven"))); + + /** + * test data - to be used for multiple write batches + * each batch inturn will have multiple snapshots + */ + private static final List<List<List<SimpleRecord>>> TEST_DATA_MULTIPLE_WRITES_MULTIPLE_SNAPSHOTS = Lists.newArrayList( + Lists.newArrayList( + Lists.newArrayList( + new SimpleRecord(1, "one"), + new SimpleRecord(2, "two"), + new SimpleRecord(3, "three")), + Lists.newArrayList( + new SimpleRecord(4, "four"), + new SimpleRecord(5, "five"))), + Lists.newArrayList( + Lists.newArrayList( + new SimpleRecord(6, "six"), + new SimpleRecord(7, "seven")), + Lists.newArrayList( + new SimpleRecord(8, "eight"), + new SimpleRecord(9, "nine"))), + Lists.newArrayList( + Lists.newArrayList( + new SimpleRecord(10, "ten"), + new SimpleRecord(11, "eleven"), + new SimpleRecord(12, "twelve")), + Lists.newArrayList( + new SimpleRecord(13, "thirteen"), + new SimpleRecord(14, "fourteen")), + Lists.newArrayList( + new SimpleRecord(15, "fifteen"), + new SimpleRecord(16, "sixteen")))); + + @Rule + public TemporaryFolder temp = new TemporaryFolder(); + + @Rule + public ExpectedException exceptionRule = ExpectedException.none(); Review comment: I missed this earlier. 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