/*
* 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.email;
import org.apache.nifi.util.MockFlowFile;
import org.apache.nifi.util.TestRunner;
import org.apache.nifi.util.TestRunners;
import org.junit.Assert;
import org.junit.Test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Random;
public class TestExtractEmailAttachments {
// Setups the fields to be used...
String from = "Alice <alice@nifi.apache.org>";
String to = "bob@nifi.apache.org";
String subject = "Just a test email";
String message = "Test test test chocolate";
String hostName = "bermudatriangle";
GenerateAttachment attachmentGenerator = new GenerateAttachment(from, to, subject, message, hostName);
@Test
public void testValidEmailWithAttachments() throws Exception {
final TestRunner runner = TestRunners.newTestRunner(new ExtractEmailAttachments());
// Create the message dynamically
byte [] withAttachment = attachmentGenerator.WithAttachments(1);
runner.enqueue(withAttachment);
runner.run();
runner.assertTransferCount(ExtractEmailAttachments.REL_ORIGINAL, 1);
runner.assertTransferCount(ExtractEmailAttachments.REL_FAILURE, 0);
runner.assertTransferCount(ExtractEmailAttachments.REL_ATTACHMENTS, 1);
// Have a look at the attachments...
final List<MockFlowFile> splits = runner.getFlowFilesForRelationship(ExtractEmailAttachments.REL_ATTACHMENTS);
splits.get(0).assertAttributeEquals("filename", "pom.xml1");
}
@Test
public void testValidEmailWithMultipleAttachments() throws Exception {
Random rnd = new Random() ;
final TestRunner runner = TestRunners.newTestRunner(new ExtractEmailAttachments());
// Create the message dynamically
int amount = rnd.nextInt(10) + 1;
byte [] withAttachment = attachmentGenerator.WithAttachments(amount);
runner.enqueue(withAttachment);
runner.run();
runner.assertTransferCount(ExtractEmailAttachments.REL_ORIGINAL, 1);
runner.assertTransferCount(ExtractEmailAttachments.REL_FAILURE, 0);
runner.assertTransferCount(ExtractEmailAttachments.REL_ATTACHMENTS, amount);
// Have a look at the attachments...
final List<MockFlowFile> splits = runner.getFlowFilesForRelationship(ExtractEmailAttachments.REL_ATTACHMENTS);
List<String> filenames = new ArrayList<>();
for (int a = 0 ; a < amount ; a++ ) {
filenames.add(splits.get(a).getAttribute("filename").toString());
}
Assert.assertTrue(filenames.containsAll(Arrays.asList("pom.xml1", "pom.xml" + amount)));
}
@Test
public void testValidEmailWithoutAttachments() throws Exception {
final TestRunner runner = TestRunners.newTestRunner(new ExtractEmailAttachments());
// Create the message dynamically
byte [] simpleEmail = attachmentGenerator.SimpleEmail();
runner.enqueue(simpleEmail);
runner.run();
runner.assertTransferCount(ExtractEmailAttachments.REL_ORIGINAL, 1);
runner.assertTransferCount(ExtractEmailAttachments.REL_FAILURE, 0);
runner.assertTransferCount(ExtractEmailAttachments.REL_ATTACHMENTS, 0);
}
@Test
public void testInvalidEmail() throws Exception {
final TestRunner runner = TestRunners.newTestRunner(new ExtractEmailAttachments());
runner.enqueue("test test test chocolate".getBytes());
runner.run();
runner.assertTransferCount(ExtractEmailAttachments.REL_ORIGINAL, 0);
runner.assertTransferCount(ExtractEmailAttachments.REL_FAILURE, 1);
runner.assertTransferCount(ExtractEmailAttachments.REL_ATTACHMENTS, 0);
}
}