Touched up snowflake client tests

There were a few tests that needed refreshing since the introduction of
the pion library. Also added a few tests for the ICE server parsing
function in the client.

client/client_test.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestICEServerParser(t *testing.T) {
+	Convey("Test parsing of ICE servers", t, func() {
+		for _, test := range []struct {
+			input  string
+			urls   [][]string
+			length int
+		}{
+			{
+				"",
+				nil,
+				0,
+			},
+			{
+				" ",
+				nil,
+				0,
+			},
+			{
+				"stun:stun.l.google.com:19302",
+				[][]string{[]string{"stun:stun.l.google.com:19302"}},
+				1,
+			},
+			{
+				"stun:stun.l.google.com:19302,stun.ekiga.net",
+				[][]string{[]string{"stun:stun.l.google.com:19302"}, []string{"stun.ekiga.net"}},
+				2,
+			},
+			{
+				"stun:stun.l.google.com:19302, stun.ekiga.net",
+				[][]string{[]string{"stun:stun.l.google.com:19302"}, []string{"stun.ekiga.net"}},
+				2,
+			},
+		} {
+			servers := parseIceServers(test.input)
+
+			if test.urls == nil {
+				So(servers, ShouldBeNil)
+			} else {
+				So(servers, ShouldNotBeNil)
+			}
+
+			So(len(servers), ShouldEqual, test.length)
+
+			for i, server := range servers {
+				So(server.URLs, ShouldResemble, test.urls[i])
+			}
+
+		}
+
+	})
+}