test

package
v1.1.1 Latest Latest
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 Go to latest Published: Mar 25, 2018 License: Apache-2.0 Imports: 10 Imported by: 0

Documentation

Overview

Package test contains helper functions for writing plugin tests.

Index

Constants

View Source 
const (
	// Answer is the answer section in an Msg.
	Answer sect = iota
	// Ns is the authoritative section in an Msg.
	Ns
	// Extra is the additional section in an Msg.
	Extra
)

Variables

This section is empty.

Functions

func A 

func A(rr string) *dns.A

A returns an A record from rr. It panics on errors.

func AAAA 

func AAAA(rr string) *dns.AAAA

AAAA returns an AAAA record from rr. It panics on errors.

func CNAME 

func CNAME(rr string) *dns.CNAME

CNAME returns a CNAME record from rr. It panics on errors.

func CNAMEOrder 

func CNAMEOrder(t *testing.T, res *dns.Msg)

CNAMEOrder makes sure that CNAMES do not appear after their target records

func DNAME 

func DNAME(rr string) *dns.DNAME

DNAME returns a DNAME record from rr. It panics on errors.

func DNSKEY 

func DNSKEY(rr string) *dns.DNSKEY

DNSKEY returns a DNSKEY record from rr. It panics on errors.

func DS 

func DS(rr string) *dns.DS

DS returns a DS record from rr. It panics on errors.

func HINFO added in v1.0.6 

func HINFO(rr string) *dns.HINFO

HINFO returns a HINFO record from rr. It panics on errors. 

func Header(t *testing.T, tc Case, resp *dns.Msg) bool

Header test if the header in resp matches the header as defined in tc.

func MX 

func MX(rr string) *dns.MX

MX returns an MX record from rr. It panics on errors.

func NS 

func NS(rr string) *dns.NS

NS returns an NS record from rr. It panics on errors.

func NSEC 

func NSEC(rr string) *dns.NSEC

NSEC returns an NSEC record from rr. It panics on errors.

func OPT 

func OPT(bufsize int, do bool) *dns.OPT

OPT returns an OPT record with UDP buffer size set to bufsize and the DO bit set to do.

func PTR 

func PTR(rr string) *dns.PTR

PTR returns a PTR record from rr. It panics on errors.

func RRSIG 

func RRSIG(rr string) *dns.RRSIG

RRSIG returns an RRSIG record from rr. It panics on errors.

func SOA 

func SOA(rr string) *dns.SOA

SOA returns a SOA record from rr. It panics on errors.

func SRV 

func SRV(rr string) *dns.SRV

SRV returns a SRV record from rr. It panics on errors.

func Section 

func Section(t *testing.T, tc Case, sec sect, rr []dns.RR) bool

Section tests if the the section in tc matches rr.

func SortAndCheck 

func SortAndCheck(t *testing.T, resp *dns.Msg, tc Case)

SortAndCheck sorts resp and the checks the header and three sections against the testcase in tc.

func TCPServer 

func TCPServer(laddr string) (*dns.Server, string, error)

TCPServer starts a DNS server with a TCP listener on laddr.

func TXT 

func TXT(rr string) *dns.TXT

TXT returns a TXT record from rr. It panics on errors.

func TempFile 

func TempFile(dir, content string) (string, func(), error)

TempFile will create a temporary file on disk and returns the name and a cleanup function to remove it later.

func UDPServer 

func UDPServer(laddr string) (*dns.Server, string, error)

UDPServer starts a DNS server with an UDP listener on laddr.

func WritePEMFiles 

func WritePEMFiles(dir string) (string, func(), error)

WritePEMFiles creates a tmp dir with ca.pem, cert.pem, and key.pem and the func to remove it

Types

type Case 

type Case struct {
	Qname  string
	Qtype  uint16
	Rcode  int
	Do     bool
	Answer []dns.RR
	Ns     []dns.RR
	Extra  []dns.RR
	Error  error
}

Case represents a test case that encapsulates various data from a query and response. Note that is the TTL of a record is 303 we don't compare it with the TTL.

func (Case) Msg 

func (c Case) Msg() *dns.Msg

Msg returns a *dns.Msg embedded in c.

type Handler 

type Handler interface {
	ServeDNS(context.Context, dns.ResponseWriter, *dns.Msg) (int, error)
	Name() string
}

Handler interface defines a plugin.

func ErrorHandler 

func ErrorHandler() Handler

ErrorHandler returns a Handler that returns ServerFailure error when called.

func NextHandler 

func NextHandler(rcode int, err error) Handler

NextHandler returns a Handler that returns rcode and err.

type HandlerFunc 

type HandlerFunc func(context.Context, dns.ResponseWriter, *dns.Msg) (int, error)

HandlerFunc is a convenience type like dns.HandlerFunc, except ServeDNS returns an rcode and an error.

func (HandlerFunc) Name 

func (f HandlerFunc) Name() string

Name implements the Handler interface.

func (HandlerFunc) ServeDNS 

func (f HandlerFunc) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error)

ServeDNS implements the Handler interface.

type RRSet 

type RRSet []dns.RR

RRSet represents a list of RRs.

func (RRSet) Len 

func (p RRSet) Len() int

func (RRSet) Less 

func (p RRSet) Less(i, j int) bool

func (RRSet) Swap 

func (p RRSet) Swap(i, j int)

type ResponseWriter 

type ResponseWriter struct{}

ResponseWriter is useful for writing tests. It uses some fixed values for the client. The remote will always be 10.240.0.1 and port 40212. The local address is always 127.0.0.1 and port 53.

func (*ResponseWriter) Close 

func (t *ResponseWriter) Close() error

Close implement dns.ResponseWriter interface.

func (*ResponseWriter) Hijack 

func (t *ResponseWriter) Hijack()

Hijack implement dns.ResponseWriter interface.

func (*ResponseWriter) LocalAddr 

func (t *ResponseWriter) LocalAddr() net.Addr

LocalAddr returns the local address, always 127.0.0.1:53 (UDP).

func (*ResponseWriter) RemoteAddr 

func (t *ResponseWriter) RemoteAddr() net.Addr

RemoteAddr returns the remote address, always 10.240.0.1:40212 (UDP).

func (*ResponseWriter) TsigStatus 

func (t *ResponseWriter) TsigStatus() error

TsigStatus implement dns.ResponseWriter interface.

func (*ResponseWriter) TsigTimersOnly 

func (t *ResponseWriter) TsigTimersOnly(bool)

TsigTimersOnly implement dns.ResponseWriter interface.

func (*ResponseWriter) Write 

func (t *ResponseWriter) Write(buf []byte) (int, error)

Write implement dns.ResponseWriter interface.

func (*ResponseWriter) WriteMsg 

func (t *ResponseWriter) WriteMsg(m *dns.Msg) error

WriteMsg implement dns.ResponseWriter interface.

type ResponseWriter6 

type ResponseWriter6 struct {
	ResponseWriter
}

ResponseWriter6 returns fixed client and remote address in IPv6. The remote address is always fe80::42:ff:feca:4c65 and port 40212. The local address is always ::1 and port 53.

func (*ResponseWriter6) LocalAddr 

func (t *ResponseWriter6) LocalAddr() net.Addr

LocalAddr returns the local address, always ::1, port 53 (UDP).

func (*ResponseWriter6) RemoteAddr 

func (t *ResponseWriter6) RemoteAddr() net.Addr

RemoteAddr returns the remote address, always fe80::42:ff:feca:4c65 port 40212 (UDP).

Source Files

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