67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
// Copyright 2018-present the CoreDHCP Authors. All rights reserved
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// This source code is licensed under the MIT license found in the
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// LICENSE file in the root directory of this source tree.
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package mtu
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import (
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"net"
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"testing"
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"github.com/insomniacslk/dhcp/dhcpv4"
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)
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func TestAddServer4(t *testing.T) {
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req, err := dhcpv4.NewDiscovery(net.HardwareAddr{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}, dhcpv4.WithRequestedOptions(dhcpv4.OptionInterfaceMTU))
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if err != nil {
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t.Fatal(err)
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}
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stub, err := dhcpv4.NewReplyFromRequest(req)
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if err != nil {
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t.Fatal(err)
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}
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mtu = 1500
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resp, stop := Handler4(req, stub)
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if resp == nil {
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t.Fatal("plugin did not return a message")
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}
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if stop {
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t.Error("plugin interrupted processing")
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}
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rMTU, err := dhcpv4.GetUint16(dhcpv4.OptionInterfaceMTU, resp.Options)
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if err != nil {
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t.Errorf("Failed to retrieve mtu from response")
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}
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if mtu != int(rMTU) {
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t.Errorf("Found %d mtu, expected %d", rMTU, mtu)
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}
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}
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func TestNotRequested4(t *testing.T) {
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req, err := dhcpv4.NewDiscovery(net.HardwareAddr{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff})
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if err != nil {
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t.Fatal(err)
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}
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stub, err := dhcpv4.NewReplyFromRequest(req)
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if err != nil {
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t.Fatal(err)
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}
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mtu = 1500
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req.UpdateOption(dhcpv4.OptParameterRequestList(dhcpv4.OptionBroadcastAddress))
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resp, stop := Handler4(req, stub)
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if resp == nil {
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t.Fatal("plugin did not return a message")
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}
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if stop {
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t.Error("plugin interrupted processing")
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}
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if mtu, err := dhcpv4.GetUint16(dhcpv4.OptionInterfaceMTU, resp.Options); err == nil {
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t.Errorf("Retrieve mtu %d in response, expected none", mtu)
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}
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}
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