Tests passing for Elixir 1.6 with 'mix format' applied

.formatter.exs

@@ -0,0 +1,7 @@
+[
+  inputs: [
+    "mix.exs",
+    "lib/**/*.ex",
+    "test/**/*.exs"
+  ]
+]

Dockerfile

@@ -1,4 +1,4 @@
-FROM elixir:1.5.2
+FROM elixir:1.6
 ENV DEBIAN_FRONTEND="noninteractive"
 
 RUN mkdir -p /usr/src/app

Makefile

@@ -37,5 +37,8 @@ bash: run-hulaaki ## Spawn a bash shell for hulaaki service
 test: CMD=mix test
 test: run-hulaaki ## Run the test for hulaaki service
 
+format: CMD=mix format
+format: run-hulaaki ## Run mix format on the library
+
 prune: ## Cleanup dangling/orphaned docker resources globally
 	docker system prune --volumes -f

lib/hulaaki.ex

@@ -2,6 +2,7 @@ defmodule Hulaaki do
   alias Hulaaki.Message
   alias Hulaaki.Encoder
   alias Hulaaki.Decoder
+
   @moduledoc """
   Defines Packet protocol and provides implementations for Hulaaki Messages
   """
@@ -24,6 +25,7 @@ defmodule Hulaaki do
 
   defimpl Packet, for: BitString do
     def encode(binary), do: binary
+
     def decode(binary) do
       Decoder.decode(binary)
     end
@@ -32,114 +34,117 @@ defmodule Hulaaki do
   defimpl Packet, for: Message.Connect do
     def encode(message) do
       Encoder.encode_fixed_header(message) <>
-        Encoder.encode_variable_header(message) <>
-        Encoder.encode_payload(message)
+        Encoder.encode_variable_header(message) <> Encoder.encode_payload(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.ConnAck do
     def encode(message) do
-      Encoder.encode_fixed_header(message) <>
-        Encoder.encode_variable_header(message)
+      Encoder.encode_fixed_header(message) <> Encoder.encode_variable_header(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.Publish do
     def encode(message) do
       Encoder.encode_fixed_header(message) <>
-        Encoder.encode_variable_header(message) <>
-        Encoder.encode_payload(message)
+        Encoder.encode_variable_header(message) <> Encoder.encode_payload(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.PubAck do
     def encode(message) do
-      Encoder.encode_fixed_header(message) <>
-        Encoder.encode_variable_header(message)
+      Encoder.encode_fixed_header(message) <> Encoder.encode_variable_header(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.PubRec do
     def encode(message) do
-      Encoder.encode_fixed_header(message) <>
-        Encoder.encode_variable_header(message)
+      Encoder.encode_fixed_header(message) <> Encoder.encode_variable_header(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.PubRel do
     def encode(message) do
-      Encoder.encode_fixed_header(message) <>
-        Encoder.encode_variable_header(message)
+      Encoder.encode_fixed_header(message) <> Encoder.encode_variable_header(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.PubComp do
     def encode(message) do
-      Encoder.encode_fixed_header(message) <>
-        Encoder.encode_variable_header(message)
+      Encoder.encode_fixed_header(message) <> Encoder.encode_variable_header(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.Subscribe do
     def encode(message) do
       Encoder.encode_fixed_header(message) <>
-        Encoder.encode_variable_header(message) <>
-        Encoder.encode_payload(message)
+        Encoder.encode_variable_header(message) <> Encoder.encode_payload(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.SubAck do
     def encode(message) do
       Encoder.encode_fixed_header(message) <>
-        Encoder.encode_variable_header(message) <>
-        Encoder.encode_payload(message)
+        Encoder.encode_variable_header(message) <> Encoder.encode_payload(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.Unsubscribe do
     def encode(message) do
       Encoder.encode_fixed_header(message) <>
-        Encoder.encode_variable_header(message) <>
-        Encoder.encode_payload(message)
+        Encoder.encode_variable_header(message) <> Encoder.encode_payload(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.UnsubAck do
     def encode(message) do
-      Encoder.encode_fixed_header(message) <>
-        Encoder.encode_variable_header(message)
+      Encoder.encode_fixed_header(message) <> Encoder.encode_variable_header(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.PingReq do
     def encode(message) do
       Encoder.encode_fixed_header(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.PingResp do
     def encode(message) do
       Encoder.encode_fixed_header(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 
   defimpl Packet, for: Message.Disconnect do
     def encode(message) do
       Encoder.encode_fixed_header(message)
     end
+
     def decode(message), do: %{message: message, remainder: <<>>}
   end
 end