Github user busbey commented on a diff in the pull request:
https://github.com/apache/incubator-nifi/pull/51#discussion_r29686788
--- Diff:
nifi/nifi-nar-bundles/nifi-flume-bundle/nifi-flume-processors/src/test/java/org/apache/nifi/processors/flume/FlumeSinkProcessorTest.java
---
@@ -0,0 +1,165 @@
+/*
+ * 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.processors.flume;
+
+import java.io.File;
+import static org.junit.Assert.assertEquals;
+
+import java.io.FileInputStream;
+import java.io.FilenameFilter;
+import java.io.IOException;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import org.apache.commons.io.filefilter.HiddenFileFilter;
+import org.apache.flume.sink.NullSink;
+import org.apache.flume.source.AvroSource;
+
+import org.apache.nifi.components.ValidationResult;
+import org.apache.nifi.flowfile.attributes.CoreAttributes;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.util.MockProcessContext;
+import org.apache.nifi.util.TestRunner;
+import org.apache.nifi.util.TestRunners;
+import org.apache.nifi.util.file.FileUtils;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class FlumeSinkProcessorTest {
+
+ private static final Logger logger =
+ LoggerFactory.getLogger(FlumeSinkProcessorTest.class);
+
+ @Test
+ public void testValidators() {
+ TestRunner runner =
TestRunners.newTestRunner(FlumeSinkProcessor.class);
+ Collection<ValidationResult> results;
+ ProcessContext pc;
+
+ results = new HashSet<>();
+ runner.enqueue(new byte[0]);
+ pc = runner.getProcessContext();
+ if (pc instanceof MockProcessContext) {
+ results = ((MockProcessContext) pc).validate();
+ }
+ Assert.assertEquals(1, results.size());
+ for (ValidationResult vr : results) {
+ logger.error(vr.toString());
+ Assert.assertTrue(vr.toString().contains("is invalid because
Sink Type is required"));
+ }
+
+ // non-existent class
+ results = new HashSet<>();
+ runner.setProperty(FlumeSinkProcessor.SINK_TYPE,
"invalid.class.name");
+ runner.enqueue(new byte[0]);
+ pc = runner.getProcessContext();
+ if (pc instanceof MockProcessContext) {
+ results = ((MockProcessContext) pc).validate();
+ }
+ Assert.assertEquals(1, results.size());
+ for (ValidationResult vr : results) {
+ logger.error(vr.toString());
+ Assert.assertTrue(vr.toString().contains("is invalid because
unable to load sink"));
+ }
+
+ // class doesn't implement Sink
+ results = new HashSet<>();
+ runner.setProperty(FlumeSinkProcessor.SINK_TYPE,
AvroSource.class.getName());
+ runner.enqueue(new byte[0]);
+ pc = runner.getProcessContext();
+ if (pc instanceof MockProcessContext) {
+ results = ((MockProcessContext) pc).validate();
+ }
+ Assert.assertEquals(1, results.size());
+ for (ValidationResult vr : results) {
+ logger.error(vr.toString());
+ Assert.assertTrue(vr.toString().contains("is invalid because
unable to create sink"));
+ }
+
+ results = new HashSet<>();
+ runner.setProperty(FlumeSinkProcessor.SINK_TYPE,
NullSink.class.getName());
+ runner.enqueue(new byte[0]);
+ pc = runner.getProcessContext();
+ if (pc instanceof MockProcessContext) {
+ results = ((MockProcessContext) pc).validate();
+ }
+ Assert.assertEquals(0, results.size());
+ }
+
+
+ @Test
+ public void testNullSink() throws IOException {
+ TestRunner runner =
TestRunners.newTestRunner(FlumeSinkProcessor.class);
+ runner.setProperty(FlumeSinkProcessor.SINK_TYPE,
NullSink.class.getName());
+ FileInputStream fis = new
FileInputStream("src/test/resources/testdata/records.txt");
+ Map<String, String> attributes = new HashMap<>();
+ attributes.put(CoreAttributes.FILENAME.key(), "records.txt");
+ runner.enqueue(fis, attributes);
+ runner.run();
+ fis.close();
+ }
+
+ @Test
+ public void testBatchSize() throws IOException {
+ TestRunner runner =
TestRunners.newTestRunner(FlumeSinkProcessor.class);
+ runner.setProperty(FlumeSinkProcessor.SINK_TYPE,
NullSink.class.getName());
+ runner.setProperty(FlumeSinkProcessor.BATCH_SIZE, "1000");
+ runner.setProperty(FlumeSinkProcessor.FLUME_CONFIG,
+ "tier1.sinks.sink-1.batchSize = 1000\n");
+ for (int i = 0; i < 100000; i++) {
+ runner.enqueue(String.valueOf(i).getBytes());
+ }
+ runner.run();
+ }
+
+ @Test
+ public void testHdfsSink() throws IOException {
+ File destDir = new File("target/hdfs");
--- End diff --
please get this from junit / maven. For example, by using a
TemporaryDirectory JUnit rule.
@Rule
public final TemporaryFolder temp = new TemporaryFolder();
@Test
public void someTest() {
File destDir = temp.newFolder("hdfs");
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