Handle userhost-in-names responses

src/main/kotlin/com/dmdirc/ktirc/events/ChannelStateHandler.kt

         val modePrefixes = client.serverState.features[ServerFeature.ModePrefixes]!!
         for (user in event.names) {
             user.takeWhile { modePrefixes.isPrefix(it) }.let { prefix ->
-                channel.users += ChannelUser(user.substring(prefix.length), modePrefixes.getModes(prefix))
+                channel.users += ChannelUser(user.nickname(prefix.length), modePrefixes.getModes(prefix))
             }
         }
     }
         client.channelState.forEach { it.users -= event.user.nickname }
     }
 
+    private fun String.nickname(prefixLength: Int) = substring(prefixLength).substringBefore('!')
+
 }

src/test/kotlin/com/dmdirc/ktirc/events/ChannelStateHandlerTest.kt

         assertEquals("", channel.users["cerealKiller"]?.modes)
     }
 
+    @Test
+    fun `ChannelStateHandler adds users with full hosts`() = runBlocking {
+        val channel = ChannelState("#thegibson") { CaseMapping.Rfc }
+        channelStateMap += channel
+        serverState.features[ServerFeature.ModePrefixes] = ModePrefixMapping("ov", "@+")
+
+        handler.processEvent(ircClient, ChannelNamesReceived("#thegibson", listOf("@zeroCool!dade@root.localhost", "+acidBurn!libby@root.localhost")))
+        handler.processEvent(ircClient, ChannelNamesFinished("#thegibson"))
+
+        assertEquals(2, channel.users.count())
+        assertEquals("o", channel.users["zeroCool"]?.modes)
+        assertEquals("v", channel.users["acidBurn"]?.modes)
+    }
+
     @Test
     fun `ChannelStateHandler removes state object for local parts`() = runBlocking {
         val channel = ChannelState("#thegibson") { CaseMapping.Rfc }