| /* |
| * 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.nifi.kafka.connect; |
| |
| import org.apache.kafka.connect.errors.RetriableException; |
| import org.apache.kafka.connect.sink.SinkRecord; |
| import org.apache.kafka.connect.sink.SinkTaskContext; |
| import org.junit.jupiter.api.Test; |
| import org.junit.jupiter.api.TestInfo; |
| import org.mockito.Mockito; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| public class StatelessNiFiSinkTaskIT { |
| private final File DEFAULT_OUTPUT_DIRECTORY = new File("target/sink-output"); |
| |
| @Test |
| public void testSimpleFlow(TestInfo testInfo) throws IOException { |
| final StatelessNiFiSinkTask sinkTask = new StatelessNiFiSinkTask(); |
| sinkTask.initialize(Mockito.mock(SinkTaskContext.class)); |
| |
| final Map<String, String> properties = createDefaultProperties(testInfo); |
| sinkTask.start(properties); |
| |
| final SinkRecord record = new SinkRecord("topic", 0, null, "key", null, "Hello World", 0L); |
| |
| final File[] files = DEFAULT_OUTPUT_DIRECTORY.listFiles(); |
| if (files != null) { |
| for (final File file : files) { |
| assertTrue(file.delete(), "Failed to delete existing file " + file.getAbsolutePath()); |
| } |
| } |
| |
| sinkTask.put(Collections.singleton(record)); |
| sinkTask.flush(Collections.emptyMap()); |
| |
| final File[] outputFiles = DEFAULT_OUTPUT_DIRECTORY.listFiles(); |
| assertNotNull(outputFiles); |
| assertEquals(1, outputFiles.length); |
| final File outputFile = outputFiles[0]; |
| |
| final String output = new String(Files.readAllBytes(outputFile.toPath())); |
| assertEquals("Hello World", output); |
| |
| sinkTask.stop(); |
| } |
| |
| @Test |
| public void testParameters(TestInfo testInfo) throws IOException { |
| final StatelessNiFiSinkTask sinkTask = new StatelessNiFiSinkTask(); |
| sinkTask.initialize(Mockito.mock(SinkTaskContext.class)); |
| |
| final Map<String, String> properties = createDefaultProperties(testInfo); |
| properties.put("parameter.Directory", "target/sink-output-2"); |
| sinkTask.start(properties); |
| |
| final SinkRecord record = new SinkRecord("topic", 0, null, "key", null, "Hello World", 0L); |
| |
| final File outputDir = new File("target/sink-output-2"); |
| final File[] files = outputDir.listFiles(); |
| if (files != null) { |
| for (final File file : files) { |
| assertTrue(file.delete(), "Failed to delete existing file " + file.getAbsolutePath()); |
| } |
| } |
| |
| sinkTask.put(Collections.singleton(record)); |
| sinkTask.flush(Collections.emptyMap()); |
| |
| final File[] outputFiles = outputDir.listFiles(); |
| assertNotNull(outputFiles); |
| assertEquals(1, outputFiles.length); |
| final File outputFile = outputFiles[0]; |
| |
| final String output = new String(Files.readAllBytes(outputFile.toPath())); |
| assertEquals("Hello World", output); |
| |
| sinkTask.stop(); |
| } |
| |
| @Test |
| public void testWrongOutputPort(TestInfo testInfo) { |
| final StatelessNiFiSinkTask sinkTask = new StatelessNiFiSinkTask(); |
| sinkTask.initialize(Mockito.mock(SinkTaskContext.class)); |
| |
| final Map<String, String> properties = createDefaultProperties(testInfo); |
| properties.put(StatelessNiFiSinkConnector.FAILURE_PORTS, "Success, Failure"); |
| sinkTask.start(properties); |
| |
| final SinkRecord record = new SinkRecord("topic", 0, null, "key", null, "Hello World", 0L); |
| |
| final File[] files = DEFAULT_OUTPUT_DIRECTORY.listFiles(); |
| if (files != null) { |
| for (final File file : files) { |
| assertTrue(file.delete(), "Failed to delete existing file " + file.getAbsolutePath()); |
| } |
| } |
| |
| assertThrows(RetriableException.class, () -> { |
| sinkTask.put(Collections.singleton(record)); |
| sinkTask.flush(Collections.emptyMap()); |
| }, "Expected RetriableException to be thrown"); |
| } |
| |
| private Map<String, String> createDefaultProperties(TestInfo testInfo) { |
| final Map<String, String> properties = new HashMap<>(); |
| properties.put(StatelessKafkaConnectorUtil.DATAFLOW_TIMEOUT, "30 sec"); |
| properties.put(StatelessNiFiSinkConnector.INPUT_PORT_NAME, "In"); |
| properties.put(StatelessKafkaConnectorUtil.FLOW_SNAPSHOT, "src/test/resources/flows/Write_To_File.json"); |
| properties.put(StatelessKafkaConnectorUtil.NAR_DIRECTORY, "target/nifi-kafka-connector-bin/nars"); |
| properties.put(StatelessKafkaConnectorUtil.WORKING_DIRECTORY, "target/nifi-kafka-connector-bin/working"); |
| properties.put(StatelessKafkaConnectorUtil.DATAFLOW_NAME, testInfo.getTestMethod().get().getName()); |
| return properties; |
| } |
| } |