quality: Add test cases for queue_stats messages

test/lib/openflow/ofp_queue_stats_test.exs

@@ -0,0 +1,66 @@
+defmodule OfpQueueStatsTest do
+  use ExUnit.Case
+
+  describe "Openflow.Multipart.Queue.Request" do
+    test "with default values" do
+      queue_stats =
+        %Openflow.Multipart.Queue.Request{}
+        |> Map.to_list()
+        |> Openflow.Multipart.Queue.Request.new()
+        |> Openflow.to_binary()
+        |> Openflow.read()
+        |> Kernel.elem(1)
+
+      assert queue_stats.xid == 0
+      assert queue_stats.port_number == :any
+      assert queue_stats.queue_id == :all
+    end
+  end
+
+  describe "Openflow.Multipart.Queue.Reply" do
+    test "with test packet_data" do
+      queue_stats =
+        "test/packet_data/4-38-ofp_queue_stats_reply.packet"
+        |> File.read!()
+        |> Openflow.read()
+        |> Kernel.elem(1)
+
+      %Openflow.Multipart.Queue.Reply{
+        aux_id: nil,
+        datapath_id: nil,
+        flags: [],
+        queues: [
+          %Openflow.Multipart.QueueStats{
+            duration_nsec: 0,
+            duration_sec: 0,
+            port_number: 7,
+            queue_id: 1,
+            tx_bytes: 0,
+            tx_errors: 0,
+            tx_packets: 0
+},
+          %Openflow.Multipart.QueueStats{
+            duration_nsec: 0,
+            duration_sec: 0,
+            port_number: 6,
+            queue_id: 1,
+            tx_bytes: 0,
+            tx_errors: 0,
+            tx_packets: 0
+          },
+          %Openflow.Multipart.QueueStats{
+            duration_nsec: 0,
+            duration_sec: 0,
+            port_number: 7,
+            queue_id: 2,
+            tx_bytes: 0,
+            tx_errors: 0,
+            tx_packets: 0
+          }
+        ],
+        version: 4,
+        xid: 0
+      } = queue_stats
+    end
+  end
+end