add all files from Hong

plugins/autoconfigure/plugin_test.go

@@ -0,0 +1,118 @@
+// Copyright 2018-present the CoreDHCP Authors. All rights reserved
+// This source code is licensed under the MIT license found in the
+// LICENSE file in the root directory of this source tree.
+
+package autoconfigure
+
+import (
+	"bytes"
+	"net"
+	"testing"
+
+	"github.com/insomniacslk/dhcp/dhcpv4"
+)
+
+func TestOptionRequested0(t *testing.T) {
+	req, err := dhcpv4.NewDiscovery(net.HardwareAddr{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff})
+	if err != nil {
+		t.Fatal(err)
+	}
+	req.UpdateOption(dhcpv4.OptGeneric(dhcpv4.OptionAutoConfigure, []byte{1}))
+	stub, err := dhcpv4.NewReplyFromRequest(req,
+	    dhcpv4.WithMessageType(dhcpv4.MessageTypeOffer),
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, stop := Handler4(req, stub)
+	if resp == nil {
+		t.Fatal("plugin did not return a message")
+	}
+	if stop {
+		t.Error("plugin interrupted processing")
+	}
+	opt := resp.Options.Get(dhcpv4.OptionAutoConfigure)
+	if opt == nil {
+		t.Fatal("plugin did not return the Auto-Configure option")
+	}
+	if !bytes.Equal(opt, []byte{0}) {
+		t.Errorf("plugin gave wrong option response: %v", opt)
+	}
+}
+
+func TestOptionRequested1(t *testing.T) {
+	req, err := dhcpv4.NewDiscovery(net.HardwareAddr{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff})
+	if err != nil {
+		t.Fatal(err)
+	}
+	req.UpdateOption(dhcpv4.OptGeneric(dhcpv4.OptionAutoConfigure, []byte{1}))
+	stub, err := dhcpv4.NewReplyFromRequest(req,
+	    dhcpv4.WithMessageType(dhcpv4.MessageTypeOffer),
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	autoconfigure = 1
+	resp, stop := Handler4(req, stub)
+	if resp == nil {
+		t.Fatal("plugin did not return a message")
+	}
+	if stop {
+		t.Error("plugin interrupted processing")
+	}
+	opt := resp.Options.Get(dhcpv4.OptionAutoConfigure)
+	if opt == nil {
+		t.Fatal("plugin did not return the Auto-Configure option")
+	}
+	if !bytes.Equal(opt, []byte{1}) {
+		t.Errorf("plugin gave wrong option response: %v", opt)
+	}
+}
+
+func TestNotRequestedAssignedIP(t *testing.T) {
+	req, err := dhcpv4.NewDiscovery(net.HardwareAddr{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff})
+	if err != nil {
+		t.Fatal(err)
+	}
+	stub, err := dhcpv4.NewReplyFromRequest(req,
+	    dhcpv4.WithMessageType(dhcpv4.MessageTypeOffer),
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+	stub.YourIPAddr = net.ParseIP("192.0.2.100")
+
+	resp, stop := Handler4(req, stub)
+	if resp == nil {
+		t.Fatal("plugin did not return a message")
+	}
+	if stop {
+		t.Error("plugin interrupted processing")
+	}
+	if resp.Options.Get(dhcpv4.OptionAutoConfigure) != nil {
+		t.Error("plugin responsed with AutoConfigure option")
+	}
+}
+
+func TestNotRequestedNoIP(t *testing.T) {
+	req, err := dhcpv4.NewDiscovery(net.HardwareAddr{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff})
+	if err != nil {
+		t.Fatal(err)
+	}
+	stub, err := dhcpv4.NewReplyFromRequest(req,
+	    dhcpv4.WithMessageType(dhcpv4.MessageTypeOffer),
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	resp, stop := Handler4(req, stub)
+	if resp != nil {
+		t.Error("plugin returned a message")
+	}
+	if !stop {
+		t.Error("plugin did not interrupt processing")
+	}
+}