ibzib commented on a change in pull request #13200: URL: https://github.com/apache/beam/pull/13200#discussion_r514565092
########## File path: sdks/java/extensions/sql/zetasql/src/test/java/org/apache/beam/sdk/extensions/sql/zetasql/ZetaSqlJavaUdfTest.java ########## @@ -0,0 +1,203 @@ +/* + * 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.beam.sdk.extensions.sql.zetasql; + +import static org.junit.Assume.assumeNotNull; + +import java.nio.file.ProviderNotFoundException; +import org.apache.beam.sdk.extensions.sql.impl.rel.BeamRelNode; +import org.apache.beam.sdk.extensions.sql.impl.rel.BeamSqlRelUtils; +import org.apache.beam.sdk.schemas.Schema; +import org.apache.beam.sdk.testing.PAssert; +import org.apache.beam.sdk.testing.TestPipeline; +import org.apache.beam.sdk.values.PCollection; +import org.apache.beam.sdk.values.Row; +import org.joda.time.Duration; +import org.junit.Before; +import org.junit.Rule; +import org.junit.Test; +import org.junit.rules.ExpectedException; +import org.junit.runner.RunWith; +import org.junit.runners.JUnit4; + +/** + * Tests for ZetaSQL UDFs written in Java. + * + * <p>Some tests will be ignored unless the system property <code>beam.sql.udf.test.jarpath</code> + * is set. + */ +@RunWith(JUnit4.class) +public class ZetaSqlJavaUdfTest extends ZetaSqlTestBase { + @Rule public transient TestPipeline pipeline = TestPipeline.create(); + @Rule public ExpectedException thrown = ExpectedException.none(); + + private final String jarPath = System.getProperty("beam.sql.udf.test.jar_path"); + private final String emptyJarPath = System.getProperty("beam.sql.udf.test.empty_jar_path"); + + @Before + public void setUp() { + initialize(); + } + + @Test + public void testNullaryJavaUdf() { + assumeNotNull(jarPath); + String sql = + String.format( + "CREATE FUNCTION foo() RETURNS STRING LANGUAGE java " + + "OPTIONS (path='%s'); " + + "SELECT foo();", + jarPath); + ZetaSQLQueryPlanner zetaSQLQueryPlanner = new ZetaSQLQueryPlanner(config); + BeamRelNode beamRelNode = zetaSQLQueryPlanner.convertToBeamRel(sql); + PCollection<Row> stream = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode); + + Schema singleField = Schema.builder().addStringField("field1").build(); + + PAssert.that(stream) + .containsInAnyOrder(Row.withSchema(singleField).addValues("Hello world!").build()); + pipeline.run().waitUntilFinish(Duration.standardMinutes(PIPELINE_EXECUTION_WAITTIME_MINUTES)); + } + + @Test + public void testNestedJavaUdf() { + assumeNotNull(jarPath); + String sql = + String.format( + "CREATE FUNCTION increment(i INT64) RETURNS INT64 LANGUAGE java " + + "OPTIONS (path='%s'); " + + "SELECT increment(increment(0));", + jarPath); + ZetaSQLQueryPlanner zetaSQLQueryPlanner = new ZetaSQLQueryPlanner(config); + BeamRelNode beamRelNode = zetaSQLQueryPlanner.convertToBeamRel(sql); + PCollection<Row> stream = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode); + + Schema singleField = Schema.builder().addInt64Field("field1").build(); + + PAssert.that(stream).containsInAnyOrder(Row.withSchema(singleField).addValues(2L).build()); + pipeline.run().waitUntilFinish(Duration.standardMinutes(PIPELINE_EXECUTION_WAITTIME_MINUTES)); + } + + @Test + public void testBinaryJavaUdf() { + assumeNotNull(jarPath); + String sql = + String.format( + "CREATE FUNCTION fun(str STRING, regStr STRING) RETURNS BOOLEAN LANGUAGE java OPTIONS (path='%s'); " + + "SELECT fun(\"a\", \"a\"), 'apple'='beta'", + jarPath); + ZetaSQLQueryPlanner zetaSQLQueryPlanner = new ZetaSQLQueryPlanner(config); + BeamRelNode beamRelNode = zetaSQLQueryPlanner.convertToBeamRel(sql); + PCollection<Row> stream = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode); + + Schema singleField = + Schema.builder().addBooleanField("field1").addBooleanField("field2").build(); + + PAssert.that(stream) + .containsInAnyOrder(Row.withSchema(singleField).addValues(true, false).build()); + pipeline.run().waitUntilFinish(Duration.standardMinutes(PIPELINE_EXECUTION_WAITTIME_MINUTES)); + } + + @Test + public void testBuiltinAggregateUdf() { + assumeNotNull(jarPath); + String sql = + String.format( + "CREATE AGGREGATE FUNCTION agg_fun(str STRING) RETURNS INT64 LANGUAGE java OPTIONS (path='%s'); " + + "SELECT agg_fun(Value) from KeyValue", + jarPath); + ZetaSQLQueryPlanner zetaSQLQueryPlanner = new ZetaSQLQueryPlanner(config); + BeamRelNode beamRelNode = zetaSQLQueryPlanner.convertToBeamRel(sql); + PCollection<Row> stream = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode); + + Schema singleField = Schema.builder().addInt64Field("field1").build(); + + PAssert.that(stream).containsInAnyOrder(Row.withSchema(singleField).addValue(2L).build()); + pipeline.run().waitUntilFinish(Duration.standardMinutes(PIPELINE_EXECUTION_WAITTIME_MINUTES)); + } + + @Test + public void testCustomAggregateUdf() { + assumeNotNull(jarPath); + String sql = + String.format( + "CREATE AGGREGATE FUNCTION custom_agg(f INT64) RETURNS INT64 LANGUAGE java OPTIONS (path='%s'); " + + "SELECT custom_agg(f_int_1) from aggregate_test_table", + jarPath); + ZetaSQLQueryPlanner zetaSQLQueryPlanner = new ZetaSQLQueryPlanner(config); + BeamRelNode beamRelNode = zetaSQLQueryPlanner.convertToBeamRel(sql); + PCollection<Row> stream = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode); + + Schema singleField = Schema.builder().addInt64Field("field1").build(); + + PAssert.that(stream).containsInAnyOrder(Row.withSchema(singleField).addValue(0L).build()); + pipeline.run().waitUntilFinish(Duration.standardMinutes(PIPELINE_EXECUTION_WAITTIME_MINUTES)); + } + + @Test + public void testUnregisteredFunction() { + assumeNotNull(jarPath); + String sql = + String.format( + "CREATE FUNCTION notRegistered() RETURNS STRING LANGUAGE java OPTIONS (path='%s'); " + + "SELECT notRegistered();", + jarPath); + ZetaSQLQueryPlanner zetaSQLQueryPlanner = new ZetaSQLQueryPlanner(config); + thrown.expect(RuntimeException.class); + thrown.expectMessage( + String.format("No implementation of scalar function notRegistered found in %s.", jarPath)); + zetaSQLQueryPlanner.convertToBeamRel(sql); + } + + @Test + public void testJarContainsNoUdfProviders() { + assumeNotNull(jarPath); + assumeNotNull(emptyJarPath); + String sql = + String.format( + // Load an inhabited jar first so we can make sure jars load UdfProviders in isolation + // from other jars. + "CREATE FUNCTION foo() RETURNS STRING LANGUAGE java OPTIONS (path='%s'); " + + "CREATE FUNCTION bar() RETURNS STRING LANGUAGE java OPTIONS (path='%s'); " + + "SELECT bar();", + jarPath, emptyJarPath); + ZetaSQLQueryPlanner zetaSQLQueryPlanner = new ZetaSQLQueryPlanner(config); + thrown.expect(ProviderNotFoundException.class); + thrown.expectMessage(String.format("No UdfProvider implementation found in %s.", emptyJarPath)); + zetaSQLQueryPlanner.convertToBeamRel(sql); + } + + @Test + public void testJavaUdfNoJarProvided() { + String sql = "CREATE FUNCTION foo() RETURNS STRING LANGUAGE java; SELECT foo();"; + ZetaSQLQueryPlanner zetaSQLQueryPlanner = new ZetaSQLQueryPlanner(config); + thrown.expect(IllegalArgumentException.class); + thrown.expectMessage("No jar was provided to define function foo."); + zetaSQLQueryPlanner.convertToBeamRel(sql); + } + + @Test + public void testPathOptionNotString() { + String sql = + "CREATE FUNCTION foo() RETURNS STRING LANGUAGE java OPTIONS (path=23); SELECT foo();"; + ZetaSQLQueryPlanner zetaSQLQueryPlanner = new ZetaSQLQueryPlanner(config); + thrown.expect(IllegalArgumentException.class); + thrown.expectMessage("Option 'path' has type TYPE_INT64 (expected TYPE_STRING)."); + zetaSQLQueryPlanner.convertToBeamRel(sql); + } Review comment: I added some tests. I discovered a gap in type checking, since the current implementation does not strictly enforce that the SQL function signature must match the Java signature. I will fix that. ---------------------------------------------------------------- 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: [email protected]
