initial MailMessage packet work and testing

common/src/test/scala/game/MailMessageTest.scala

@@ -0,0 +1,30 @@
+// Copyright (c) 2017 PSForever
+package game
+
+import org.specs2.mutable._
+import net.psforever.packet._
+import net.psforever.packet.game._
+import scodec.bits._
+
+class MailMessageTest extends Specification {
+  //we've never received this packet before so this whole test is faked
+  val string = hex"F1 86466174654A489250726 96F72697479204D61696C2054657374 8E48656C6C6F204175726178697321"
+
+  "decode" in {
+    PacketCoding.DecodePacket(string).require match {
+      case MailMessage(sender, subject, msg) =>
+        sender mustEqual "FateJH"
+        subject mustEqual "Priority Mail Test"
+        msg mustEqual "Hello Auraxis!"
+      case _ =>
+        ko
+    }
+  }
+
+  "encode" in {
+    val msg = MailMessage("FateJH", "Priority Mail Test", "Hello Auraxis!")
+    val pkt = PacketCoding.EncodePacket(msg).require.toByteVector
+
+    pkt mustEqual string
+  }
+}