add all files from Hong

plugins/searchdomains/plugin_test.go

@@ -0,0 +1,96 @@
+// 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 searchdomains
+
+import (
+	"net"
+	"testing"
+
+	"github.com/insomniacslk/dhcp/dhcpv4"
+	"github.com/insomniacslk/dhcp/dhcpv6"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAddDomains6(t *testing.T) {
+	assert := assert.New(t)
+
+	// Search domains we will expect the DHCP server to assign
+	searchDomains := []string{"domain.a", "domain.b"}
+
+	// Init plugin
+	handler6, err := Plugin.Setup6(searchDomains...)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Fake request
+	req, err := dhcpv6.NewMessage()
+	if err != nil {
+		t.Fatal(err)
+	}
+	req.MessageType = dhcpv6.MessageTypeRequest
+	req.AddOption(dhcpv6.OptRequestedOption(dhcpv6.OptionDNSRecursiveNameServer))
+
+	// Fake response input
+	stub, err := dhcpv6.NewMessage()
+	if err != nil {
+		t.Fatal(err)
+	}
+	stub.MessageType = dhcpv6.MessageTypeReply
+
+	// Call plugin
+	resp, stop := handler6(req, stub)
+	if resp == nil {
+		t.Fatal("plugin did not return a message")
+	}
+	if stop {
+		t.Error("plugin interrupted processing")
+	}
+
+	searchLabels := resp.(*dhcpv6.Message).Options.DomainSearchList().Labels
+	assert.Equal(searchDomains, searchLabels)
+}
+
+func TestAddDomains4(t *testing.T) {
+	assert := assert.New(t)
+
+	// Search domains we will expect the DHCP server to assign
+	// NOTE: these domains should be different from the v6 test domains;
+	// this tests that we haven't accidentally set the v6 domains in the
+	// v4 plugin handler or vice versa.
+	searchDomains := []string{"domain.b", "domain.c"}
+
+	// Init plugin
+	handler4, err := Plugin.Setup4(searchDomains...)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Fake request
+	req, err := dhcpv4.NewDiscovery(net.HardwareAddr{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Fake response input
+	stub, err := dhcpv4.NewReplyFromRequest(req)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Call plugin
+	resp, stop := handler4(req, stub)
+	if resp == nil {
+		t.Fatal("plugin did not return a message")
+	}
+	if stop {
+		t.Error("plugin interrupted processing")
+	}
+
+	searchLabels := resp.DomainSearch().Labels
+	assert.Equal(searchDomains, searchLabels)
+
+}