aokolnychyi commented on a change in pull request #362: Support create and replace transactions in Catalog URL: https://github.com/apache/incubator-iceberg/pull/362#discussion_r317373320
########## File path: hive/src/test/java/org/apache/iceberg/hive/HiveCreateReplaceTableTest.java ########## @@ -0,0 +1,238 @@ +/* + * 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.hive; + +import com.google.common.collect.Maps; +import java.io.IOException; +import org.apache.iceberg.PartitionSpec; +import org.apache.iceberg.Schema; +import org.apache.iceberg.Table; +import org.apache.iceberg.Transaction; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.exceptions.AlreadyExistsException; +import org.apache.iceberg.exceptions.NoSuchTableException; +import org.apache.iceberg.types.Types; +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 static org.apache.iceberg.PartitionSpec.builderFor; +import static org.apache.iceberg.types.Types.NestedField.required; + +public class HiveCreateReplaceTableTest extends HiveMetastoreTest { + + private static final String TABLE_NAME = "tbl"; + private static final TableIdentifier TABLE_IDENTIFIER = TableIdentifier.of(DB_NAME, TABLE_NAME); + private static final Schema SCHEMA = new Schema( + required(3, "id", Types.IntegerType.get()), + required(4, "data", Types.StringType.get()) + ); + private static final PartitionSpec SPEC = builderFor(SCHEMA) + .identity("id") + .build(); + + @Rule + public ExpectedException exceptionRule = ExpectedException.none(); + @Rule + public TemporaryFolder temp = new TemporaryFolder(); + + private String tableLocation; + + @Before + public void createTableLocation() throws IOException { + tableLocation = temp.newFolder("hive-").getPath(); + } + + @After + public void cleanup() { + catalog.dropTable(TABLE_IDENTIFIER); + } + + @Test + public void testCreateTableTxn() { + Assert.assertFalse("Table should not exist", catalog.tableExists(TABLE_IDENTIFIER)); + + Transaction txn = catalog.newCreateTableTransaction( + TABLE_IDENTIFIER, SCHEMA, SPEC, tableLocation, Maps.newHashMap()); + txn.updateProperties() + .set("prop", "value") + .commit(); + + // verify the table is still not visible before the transaction is committed + Assert.assertFalse(catalog.tableExists(TABLE_IDENTIFIER)); + + txn.commitTransaction(); + + Table table = catalog.loadTable(TABLE_IDENTIFIER); + Assert.assertEquals("Table props should match", "value", table.properties().get("prop")); + } + + @Test + public void testCreateTableTxnTableCreatedConcurrently() { + exceptionRule.expect(RuntimeException.class); + exceptionRule.expectMessage("Metastore operation failed"); + + Assert.assertFalse("Table should not exist", catalog.tableExists(TABLE_IDENTIFIER)); + + Transaction txn = catalog.newCreateTableTransaction( + TABLE_IDENTIFIER, SCHEMA, SPEC, tableLocation, Maps.newHashMap()); + + // create the table concurrently + catalog.createTable(TABLE_IDENTIFIER, SCHEMA, SPEC); + Assert.assertTrue("Table should be created", catalog.tableExists(TABLE_IDENTIFIER)); + + // expect the transaction to fail + txn.commitTransaction(); Review comment: Wait, what is the difference between `AssertHelpers` and `TestHelpers`? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
