Adding list secgroups
diff --git a/openstack/compute/v2/extensions/secgroups/requests_test.go b/openstack/compute/v2/extensions/secgroups/requests_test.go
new file mode 100644
index 0000000..a3b9ba0
--- /dev/null
+++ b/openstack/compute/v2/extensions/secgroups/requests_test.go
@@ -0,0 +1,44 @@
+package secgroups
+
+import (
+	"testing"
+
+	"github.com/rackspace/gophercloud/pagination"
+	th "github.com/rackspace/gophercloud/testhelper"
+	"github.com/rackspace/gophercloud/testhelper/client"
+)
+
+func TestList(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	mockListGroupsResponse(t)
+
+	count := 0
+
+	err := List(client.ServiceClient()).EachPage(func(page pagination.Page) (bool, error) {
+		count++
+		actual, err := ExtractSecurityGroups(page)
+		if err != nil {
+			t.Errorf("Failed to extract users: %v", err)
+			return false, err
+		}
+
+		expected := []SecurityGroup{
+			SecurityGroup{
+				ID:          "b0e0d7dd-2ca4-49a9-ba82-c44a148b66a5",
+				Description: "default",
+				Name:        "default",
+				Rules:       []Rule{},
+				TenantID:    "openstack",
+			},
+		}
+
+		th.CheckDeepEquals(t, expected, actual)
+
+		return true, nil
+	})
+
+	th.AssertNoErr(t, err)
+	th.AssertEquals(t, 1, count)
+}