pvary commented on code in PR #10308: URL: https://github.com/apache/iceberg/pull/10308#discussion_r1601312090
########## flink/v1.19/flink/src/test/java/org/apache/iceberg/flink/maintenance/operator/FlinkSqlExtension.java: ########## @@ -0,0 +1,145 @@ +/* + * 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.flink.maintenance.operator; + +import java.io.File; +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Path; +import java.util.Comparator; +import java.util.List; +import java.util.Map; +import org.apache.flink.table.api.EnvironmentSettings; +import org.apache.flink.table.api.TableEnvironment; +import org.apache.flink.table.api.TableResult; +import org.apache.flink.types.Row; +import org.apache.flink.util.CloseableIterator; +import org.apache.hadoop.conf.Configuration; +import org.apache.iceberg.CatalogProperties; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.flink.CatalogLoader; +import org.apache.iceberg.flink.TableLoader; +import org.apache.iceberg.relocated.com.google.common.collect.Lists; +import org.apache.iceberg.relocated.com.google.common.collect.Maps; +import org.junit.jupiter.api.extension.AfterEachCallback; +import org.junit.jupiter.api.extension.BeforeEachCallback; +import org.junit.jupiter.api.extension.ExtensionContext; + +/** + * Junit 5 extension for running Flink SQL queries. {@link + * org.apache.flink.test.junit5.MiniClusterExtension} is used for executing the SQL batch jobs. + */ +public class FlinkSqlExtension implements BeforeEachCallback, AfterEachCallback { + private final String catalogName; + private final Map<String, String> catalogProperties; + private final String databaseName; + private final Path warehouse; + private final CatalogLoader catalogLoader; + private TableEnvironment tableEnvironment; + + public FlinkSqlExtension( + String catalogName, Map<String, String> catalogProperties, String databaseName) { + this.catalogName = catalogName; + this.catalogProperties = Maps.newHashMap(catalogProperties); + this.databaseName = databaseName; + + // Add temporary dir as a warehouse location + try { + this.warehouse = Files.createTempDirectory("warehouse"); + } catch (IOException e) { + throw new RuntimeException(e); + } + this.catalogProperties.put( + CatalogProperties.WAREHOUSE_LOCATION, String.format("file://%s", warehouse)); + this.catalogLoader = + CatalogLoader.hadoop(catalogName, new Configuration(), this.catalogProperties); + } + + @Override + public void beforeEach(ExtensionContext context) { + // We need to recreate the tableEnvironment for every test as the minicluster is recreated + this.tableEnvironment = + TableEnvironment.create(EnvironmentSettings.newInstance().inBatchMode().build()); + exec("CREATE CATALOG %s WITH %s", catalogName, toWithClause(catalogProperties)); + exec("CREATE DATABASE %s.%s", catalogName, databaseName); + exec("USE CATALOG %s", catalogName); + exec("USE %s", databaseName); + } + + @Override + public void afterEach(ExtensionContext context) throws IOException { + List<Row> tables = exec("SHOW TABLES"); + tables.forEach(t -> exec("DROP TABLE IF EXISTS %s", t.getField(0))); + exec("USE CATALOG default_catalog"); + exec("DROP CATALOG IF EXISTS %s", catalogName); + Files.walk(warehouse).sorted(Comparator.reverseOrder()).map(Path::toFile).forEach(File::delete); + } + + /** + * Executes an SQL query with the given parameters. The parameter substitution is done by {@link + * String#format(String, Object...)}. + * + * @param query to run + * @param parameters to substitute to the query + * @return The {@link Row}s returned by the query + */ + public List<Row> exec(String query, Object... parameters) { + TableResult tableResult = tableEnvironment.executeSql(String.format(query, parameters)); + try (CloseableIterator<Row> iter = tableResult.collect()) { + return Lists.newArrayList(iter); + } catch (Exception e) { + throw new RuntimeException("Failed to collect table result", e); + } + } + + /** + * Returns the {@link TableLoader} which could be used to access the given table. + * + * @param name of the table + * @return the {@link TableLoader} for the table + */ + public TableLoader tableLoader(String name) { + TableLoader tableLoader = + TableLoader.fromCatalog(catalogLoader, TableIdentifier.of(databaseName, name)); + tableLoader.open(); + return tableLoader; + } + + private static String toWithClause(Map<String, String> props) { + StringBuilder builder = new StringBuilder(); + builder.append("("); + int propCount = 0; + for (Map.Entry<String, String> entry : props.entrySet()) { + if (propCount > 0) { + builder.append(","); + } + builder Review Comment: Replaced with: ``` return String.format( "(%s)", props.entrySet().stream() .map(e -> String.format("'%s'='%s'", e.getKey(), e.getValue())) .collect(Collectors.joining(","))); ``` -- 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. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
