| /* |
| * 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.samza.sql.udf.impl; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import org.apache.samza.config.Config; |
| import org.apache.samza.config.MapConfig; |
| import org.apache.samza.sql.interfaces.UdfMetadata; |
| import org.apache.samza.sql.schema.SamzaSqlFieldType; |
| import org.apache.samza.sql.udf.ReflectionBasedUdfResolver; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.lang.reflect.Method; |
| import java.util.Collection; |
| |
| public class TestReflectionBasedUdfResolver { |
| |
| @Test |
| public void testShouldReturnNothingWhenNoUDFIsInPackagePrefix() { |
| Config config = new MapConfig(ImmutableMap.of("samza.sql.udf.resolver.package.prefix", "org.apache.samza.udf.blah.blah")); |
| ReflectionBasedUdfResolver reflectionBasedUdfResolver = new ReflectionBasedUdfResolver(config); |
| Collection<UdfMetadata> udfMetadataList = reflectionBasedUdfResolver.getUdfs(); |
| |
| Assert.assertEquals(0, udfMetadataList.size()); |
| } |
| |
| @Test |
| public void testUDfResolverShouldReturnAllUDFInClassPath() throws NoSuchMethodException { |
| Config config = new MapConfig(ImmutableMap.of("samza.sql.udf.resolver.package.filter", "org.apache.samza.sql.udf.impl")); |
| ReflectionBasedUdfResolver reflectionBasedUdfResolver = new ReflectionBasedUdfResolver(config); |
| Collection<UdfMetadata> udfMetadataList = reflectionBasedUdfResolver.getUdfs(); |
| |
| Method method = TestSamzaSqlUdf.class.getMethod("execute", String.class); |
| UdfMetadata udfMetadata = new UdfMetadata("TestSamzaSqlUdf", |
| "Test samza sql udf implementation", method, new MapConfig(), ImmutableList.of(SamzaSqlFieldType.STRING), |
| SamzaSqlFieldType.STRING, true); |
| |
| Assert.assertArrayEquals(new UdfMetadata[]{udfMetadata}, udfMetadataList.toArray(new UdfMetadata[0])); |
| } |
| } |