From 7bff3bba79d1bd728fbafd8db8fffa855513e109 Mon Sep 17 00:00:00 2001
From: Kent Gruber <kgruber1@emich.edu>
Date: Tue, 1 May 2018 12:41:21 -0400
Subject: [PATCH] add test for FindInterface in network package

---
 network/net_test.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/network/net_test.go b/network/net_test.go
index b20b4588..636aed84 100644
--- a/network/net_test.go
+++ b/network/net_test.go
@@ -118,3 +118,29 @@ func TestMatchByAddress(t *testing.T) {
 		t.Error("unable to verify a match with a given interface and ip address")
 	}
 }
+
+func TestFindInterface(t *testing.T) {
+	ifaces, err := net.Interfaces()
+	if err != nil {
+		t.Error(err)
+	}
+	if len(ifaces) <= 0 {
+		t.Error("Unable to find any network interfaces to run test with.")
+	}
+	var exampleIface net.Interface
+	// emulate libpcap's pcap_lookupdev function to find
+	// default interface to test with ( maybe could use loopback ? )
+	for _, iface := range ifaces {
+		if iface.HardwareAddr != nil {
+			exampleIface = iface
+			break
+		}
+	}
+	foundEndpoint, err := FindInterface(exampleIface.Name)
+	if err != nil {
+		t.Error("unable to find a given interface by name to build endpoint", err)
+	}
+	if foundEndpoint.Name() != exampleIface.Name {
+		t.Error("unable to find a given interface by name to build endpoint")
+	}
+}