Move TestMailServer to spring-integration-test

JIRA: https://jira.spring.io/browse/INT-4022

spring-integration-mail/src/test/java/org/springframework/integration/mail/ImapMailReceiverTests.java

@@ -81,9 +81,10 @@ import org.springframework.integration.channel.QueueChannel;
 import org.springframework.integration.handler.AbstractReplyProducingMessageHandler;
 import org.springframework.integration.history.MessageHistory;
 import org.springframework.integration.mail.ImapIdleChannelAdapter.ImapIdleExceptionEvent;
-import org.springframework.integration.mail.TestMailServer.ImapServer;
 import org.springframework.integration.mail.config.ImapIdleChannelAdapterParserTests;
 import org.springframework.integration.mail.support.DefaultMailHeaderMapper;
+import org.springframework.integration.test.mail.TestMailServer;
+import org.springframework.integration.test.mail.TestMailServer.ImapServer;
 import org.springframework.integration.test.support.LongRunningIntegrationTest;
 import org.springframework.integration.test.util.TestUtils;
 import org.springframework.messaging.MessageHeaders;

spring-integration-mail/src/test/java/org/springframework/integration/mail/config/Pop3Tests.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed 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.springframework.integration.mail.config;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import org.springframework.integration.mail.MailHeaders;
+import org.springframework.integration.mail.MailReceivingMessageSource;
+import org.springframework.integration.mail.Pop3MailReceiver;
+import org.springframework.integration.mail.support.DefaultMailHeaderMapper;
+import org.springframework.integration.test.mail.TestMailServer;
+import org.springframework.integration.test.mail.TestMailServer.Pop3Server;
+import org.springframework.messaging.Message;
+import org.springframework.messaging.MessageHeaders;
+
+/**
+ * @author Gary Russell
+ * @since 5.0
+ *
+ */
+public class Pop3Tests {
+
+	private static final Pop3Server pop3Server = TestMailServer.pop3(0);
+
+	@BeforeClass
+	public static void setup() throws InterruptedException {
+		int n = 0;
+		while (n++ < 100 && (!pop3Server.isListening())) {
+			Thread.sleep(100);
+		}
+		assertTrue(n < 100);
+	}
+
+	@AfterClass
+	public static void tearDown() {
+		pop3Server.stop();
+	}
+
+	@Test
+	public void testPop3() throws Exception {
+		Pop3MailReceiver receiver = new Pop3MailReceiver("localhost", pop3Server.getPort(), "user", "pw");
+		receiver.setHeaderMapper(new DefaultMailHeaderMapper());
+		MailReceivingMessageSource source = new MailReceivingMessageSource(receiver);
+		Message<?> message = source.receive();
+		assertNotNull(message);
+		MessageHeaders headers = message.getHeaders();
+		assertEquals("Foo <foo@bar>", headers.get(MailHeaders.TO, String[].class)[0]);
+		assertEquals("Bar <bar@baz>", headers.get(MailHeaders.FROM));
+		assertEquals("Test Email", headers.get(MailHeaders.SUBJECT));
+		assertEquals("foo\r\n", message.getPayload());
+	}
+
+}

spring-integration-mail/src/test/java/org/springframework/integration/mail/config/SmtpTests.java

@@ -0,0 +1,88 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed 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.springframework.integration.mail.config;
+
+import static org.hamcrest.Matchers.containsString;
+import static org.hamcrest.Matchers.endsWith;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import org.springframework.integration.mail.MailHeaders;
+import org.springframework.integration.mail.MailSendingMessageHandler;
+import org.springframework.integration.support.MessageBuilder;
+import org.springframework.integration.test.mail.TestMailServer;
+import org.springframework.integration.test.mail.TestMailServer.SmtpServer;
+import org.springframework.mail.javamail.JavaMailSenderImpl;
+
+/**
+ * @author Gary Russell
+ * @since 5.0
+ *
+ */
+public class SmtpTests {
+
+	private static final SmtpServer smtpServer = TestMailServer.smtp(0);
+
+	@BeforeClass
+	public static void setup() throws InterruptedException {
+		int n = 0;
+		while (n++ < 100 && (!smtpServer.isListening())) {
+			Thread.sleep(100);
+		}
+		assertTrue(n < 100);
+	}
+
+	@AfterClass
+	public static void tearDown() {
+		smtpServer.stop();
+	}
+
+	@Test
+	public void testSmtp() throws Exception {
+		JavaMailSenderImpl mailSender = new JavaMailSenderImpl();
+		mailSender.setHost("localhost");
+		mailSender.setPort(smtpServer.getPort());
+		mailSender.setUsername("user");
+		mailSender.setPassword("pw");
+		MailSendingMessageHandler handler = new MailSendingMessageHandler(mailSender);
+
+		handler.handleMessage(MessageBuilder.withPayload("foo")
+				.setHeader(MailHeaders.TO, new String[] {"bar@baz"})
+				.setHeader(MailHeaders.FROM, "foo@bar")
+				.setHeader(MailHeaders.SUBJECT, "foo")
+				.build());
+
+		int n = 0;
+		while (n++ < 100 && smtpServer.getMessages().size() == 0) {
+			Thread.sleep(100);
+		}
+
+		assertTrue(smtpServer.getMessages().size() > 0);
+		String message = smtpServer.getMessages().get(0);
+		assertThat(message, endsWith("foo\n"));
+		assertThat(message, containsString("foo@bar"));
+		assertThat(message, containsString("bar@baz"));
+		assertThat(message, containsString("user:user"));
+		assertThat(message, containsString("password:pw"));
+
+	}
+
+}

spring-integration-test/src/main/java/org/springframework/integration/test/mail/TestMailServer.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.integration.mail;
+package org.springframework.integration.test.mail;
 
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
@@ -35,8 +35,15 @@ import javax.net.ServerSocketFactory;
 import org.springframework.util.Base64Utils;
 
 /**
+ * A basic test mail server for pop3, imap,
+ * Serves up a canned email message with each protocol.
+ * For smtp, it handles the basic handshaking and captures
+ * the pertinent data so it can be verified by a test case.
+ *
  * @author Gary Russell
  *
+ * @since 5.0
+ *
  */
 public class TestMailServer {