Add sendPart

CHANGELOG

 vNEXT (in development)
 
-* Added NickChangeFailed event for when nicknames are in use, banned, etc
+ * Added NickChangeFailed event for when nicknames are in use, banned, etc
+ * Added sendPart method
  * (Internal) Moved message processors into their own package
 
 v0.10.0

src/main/kotlin/com/dmdirc/ktirc/messages/MessageBuilders.kt

 internal fun IrcClient.sendCapabilityEnd() = send("CAP", "END")
 
 /** Sends a message requesting the specified caps are enabled. */
-internal fun IrcClient.sendCapabilityRequest(capabilities: Collection<String>) = send("CAP", "REQ", capabilities.joinToString(" "))
+internal fun IrcClient.sendCapabilityRequest(capabilities: Collection<String>) =
+        send("CAP", "REQ", capabilities.joinToString(" "))
 
 /** Sends a request to join the given channel. */
 fun IrcClient.sendJoin(channel: String) = send("JOIN", channel)
 
+/** Sends a request to part the given channel. */
+fun IrcClient.sendPart(channel: String, reason: String? = null) =
+        reason?.let { send("PART", channel, reason) } ?: send("PART", channel)
+
 /** Sends a request to see the modes of a given target. */
 fun IrcClient.sendModeRequest(target: String) = send("MODE", target)
 

src/test/kotlin/com/dmdirc/ktirc/messages/MessageBuildersTest.kt

         verify { mockClient.send("JOIN", "#TheGibson") }
     }
 
+    @Test
+    fun `sendPart sends correct PART message without reason`() {
+        mockClient.sendPart("#TheGibson")
+        verify { mockClient.send("PART", "#TheGibson") }
+    }
+
+    @Test
+    fun `sendPart sends correct PART message with reason`() {
+        mockClient.sendPart("#TheGibson", "Mess with the best...")
+        verify { mockClient.send("PART", "#TheGibson", "Mess with the best...") }
+    }
+
     @Test
     fun `sendModeRequest sends correct MODE message`() {
         mockClient.sendModeRequest("#TheGibson")