quality: Add test cases for table_stats messages

lib/openflow/multipart/table/request.ex

@@ -11,8 +11,8 @@ defmodule Openflow.Multipart.Table.Request do
 
   def ofp_type, do: 18
 
-  def new(xid \\ 0) do
-    %Request{xid: xid}
+  def new(options \\ []) do
+    %Request{xid: options[:xid] || 0}
   end
 
   def read("") do

test/lib/openflow/ofp_queue_stats_test.exs

@@ -38,7 +38,7 @@ defmodule OfpQueueStatsTest do
             tx_bytes: 0,
             tx_errors: 0,
             tx_packets: 0
-},
+          },
           %Openflow.Multipart.QueueStats{
             duration_nsec: 0,
             duration_sec: 0,

test/lib/openflow/ofp_table_stats_test.exs

@@ -0,0 +1,49 @@
+defmodule OfpTableStatsTest do
+  use ExUnit.Case
+
+  describe "Openflow.Multipart.Table.Request" do
+    test "with default values" do
+      table_stats =
+        %Openflow.Multipart.Table.Request{}
+        |> Map.to_list()
+        |> Openflow.Multipart.Table.Request.new()
+        |> Openflow.to_binary()
+        |> Openflow.read()
+        |> Kernel.elem(1)
+
+      assert table_stats.xid == 0
+    end
+  end
+
+  describe "Openflow.Multipart.Table.Reply" do
+    test "with test packet_data" do
+      table_stats =
+        "test/packet_data/4-28-ofp_table_stats_reply.packet"
+        |> File.read!()
+        |> Openflow.read()
+        |> Kernel.elem(1)
+
+      %Openflow.Multipart.Table.Reply{
+        aux_id: nil,
+        datapath_id: nil,
+        flags: [],
+        tables: [
+          %Openflow.Multipart.TableStats{
+            active_count: 4,
+            lookup_count: 4,
+            matched_count: 4,
+            table_id: 0
+          },
+          %Openflow.Multipart.TableStats{
+            active_count: 4,
+            lookup_count: 4,
+            matched_count: 4,
+            table_id: 1
+          }
+        ],
+        version: 4,
+        xid: 0
+      } = table_stats
+    end
+  end
+end