Refactor common elements of testing to AbstractWiserTest

Signed-off-by: Paul Campbell <pcampbell@kemitix.net>

src/test/java/net/kemitix/wiser/assertions/AbstractWiserTest.java

@@ -0,0 +1,63 @@
+package net.kemitix.wiser.assertions;
+
+import org.junit.After;
+import org.junit.Before;
+import org.subethamail.wiser.Wiser;
+
+import java.util.Properties;
+
+import javax.mail.Session;
+
+/**
+ * Abstract base class for wiser tests.
+ *
+ * @author pcampbell
+ */
+public abstract class AbstractWiserTest {
+
+    /**
+     * Test mail server port.
+     */
+    protected static final int PORT = 12345;
+
+    /**
+     * Test mail server.
+     */
+    private Wiser wiser;
+
+    /**
+     * Prepare each test.
+     */
+    @Before
+    @SuppressWarnings("magicnumber")
+    public void setUp() {
+        wiser = new Wiser(PORT);
+        wiser.start();
+    }
+
+    /**
+     * Clean up after each test.
+     */
+    @After
+    public void tearDown() {
+        wiser.stop();
+    }
+
+    /**
+     * Instantiates the WiserAssertions.
+     *
+     * @return the wiser assertions
+     */
+    protected WiserAssertions getAssertions() {
+        return WiserAssertions.assertReceivedMessage(wiser);
+    }
+
+    protected Session getSession() {
+        Properties properties = new Properties();
+        properties.setProperty("mail.smtp.host", "localhost");
+        properties.setProperty("mail.smtp.port", "" + WiserAssertionsTest.PORT);
+        Session session = Session.getDefaultInstance(properties);
+        return session;
+    }
+
+}

src/test/java/net/kemitix/wiser/assertions/WiserAssertionsTest.java

@@ -1,21 +1,17 @@
 package net.kemitix.wiser.assertions;
 
-import org.junit.After;
-import org.junit.Before;
 import org.junit.Test;
 import org.subethamail.wiser.Wiser;
 
 import static org.junit.Assert.assertNotNull;
 
 import java.io.IOException;
-import java.util.Properties;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import javax.mail.Message;
 import javax.mail.MessagingException;
 import javax.mail.Multipart;
-import javax.mail.Session;
 import javax.mail.Transport;
 import javax.mail.internet.InternetAddress;
 import javax.mail.internet.MimeBodyPart;
@@ -27,7 +23,7 @@ import javax.mail.internet.MimeMultipart;
  *
  * @author pcampbell
  */
-public class WiserAssertionsTest {
+public class WiserAssertionsTest extends AbstractWiserTest {
 
     /**
      * Logger.
@@ -35,34 +31,6 @@ public class WiserAssertionsTest {
     private static final Logger LOG
             = Logger.getLogger(WiserAssertionsTest.class.getName());
 
-    /**
-     * Test mail server.
-     */
-    private Wiser wiser;
-
-    /**
-     * Prepare each test.
-     */
-    @Before
-    @SuppressWarnings("magicnumber")
-    public void setUp() {
-        wiser = new Wiser(PORT);
-        wiser.start();
-    }
-
-    /**
-     * Test mail server port.
-     */
-    private static final int PORT = 12345;
-
-    /**
-     * Clean up after each test.
-     */
-    @After
-    public void tearDown() {
-        wiser.stop();
-    }
-
     /**
      * Sends a mime multipart message to the Wiser server.
      *
@@ -76,12 +44,8 @@ public class WiserAssertionsTest {
             final String to,
             final String subject,
             final String body) {
-        Properties properties = new Properties();
-        properties.setProperty("mail.smtp.host", "localhost");
-        properties.setProperty("mail.smtp.port", "" + PORT);
-        Session session = Session.getDefaultInstance(properties);
         try {
-            MimeMessage message = new MimeMessage(session);
+            MimeMessage message = new MimeMessage(getSession());
             message.setFrom(new InternetAddress(from));
             message.setRecipients(Message.RecipientType.TO, to);
             message.setSubject(subject, "UTF-8");
@@ -96,15 +60,6 @@ public class WiserAssertionsTest {
         }
     }
 
-    /**
-     * Instantiates the WiserAssertions.
-     *
-     * @return the wiser assertions
-     */
-    private WiserAssertions getAssertions() {
-        return WiserAssertions.assertReceivedMessage(wiser);
-    }
-
     /**
      * Test {@link WiserAssertions#withContent(java.lang.String)} where the
      * content of the email matches.