quality: Add test cases for get_async messages

test/ofp_get_async_test.exs

@@ -0,0 +1,60 @@
+defmodule OfpGetAsyncTest do
+  use ExUnit.Case
+  doctest Openflow
+
+  describe "Openflow.GetAsync.Request" do
+    test "generate and parse without argument" do
+      get_async = Openflow.GetAsync.Request.new()
+
+      get_async
+      |> Openflow.to_binary()
+      |> Openflow.read()
+      |> Kernel.elem(1)
+      |> Kernel.==(get_async)
+      |> assert()
+    end
+
+    test "generate and parse with argument" do
+      get_async = Openflow.GetAsync.Request.new(1)
+
+      get_async
+      |> Openflow.to_binary()
+      |> Openflow.read()
+      |> Kernel.elem(1)
+      |> Kernel.==(get_async)
+      |> assert()
+    end
+  end
+
+  describe "Openflow.GetAsync.Reply" do
+    test "generate and parse without argument" do
+      get_async = Openflow.GetAsync.Reply.new()
+
+      get_async
+      |> Openflow.to_binary()
+      |> Openflow.read()
+      |> Kernel.elem(1)
+      |> Kernel.==(get_async)
+      |> assert()
+    end
+
+    test "generate and parse with argument" do
+      get_async =
+        Openflow.GetAsync.Reply.new(
+          flow_removed_mask_master: [:idle_timeout, :hard_timeout, :delete, :group_delete],
+          flow_removed_mask_slave: [],
+          packet_in_mask_master: [:no_match, :action],
+          packet_in_mask_slave: [],
+          port_status_mask_master: [:add, :delete, :modify],
+          port_status_mask_slave: [:add, :delete, :modify]
+        )
+
+      get_async
+      |> Openflow.to_binary()
+      |> Openflow.read()
+      |> Kernel.elem(1)
+      |> Kernel.==(get_async)
+      |> assert()
+    end
+  end
+end