dnstest

Documentation

Overview

DNS resolver for testing purposes.

In the future, when go fuzz can make use of _test.go files, we can rename this file dns_test.go and remove this extra package entirely. Until then, unfortunately this is the most reasonable way to share these helpers between go and fuzz tests.

Index

• type TestResolver
  • func NewResolver() *TestResolver
  • func (r *TestResolver) LookupAddr(ctx context.Context, host string) (addrs []string, err error)
  • func (r *TestResolver) LookupIPAddr(ctx context.Context, host string) (as []net.IPAddr, err error)
  • func (r *TestResolver) LookupMX(ctx context.Context, domain string) (mxs []*net.MX, err error)
  • func (r *TestResolver) LookupTXT(ctx context.Context, domain string) (txts []string, err error)

Types

type TestResolver

type TestResolver struct {
	Txt    map[string][]string
	Mx     map[string][]*net.MX
	Ip     map[string][]net.IP
	Addr   map[string][]string
	Cname  map[string]string
	Errors map[string]error
}

Testing DNS resolver.

Not exported since this is not part of the public API and only used internally on tests.

func NewResolver

func NewResolver() *TestResolver

func (*TestResolver) LookupAddr

func (r *TestResolver) LookupAddr(ctx context.Context, host string) (addrs []string, err error)

func (*TestResolver) LookupIPAddr

func (r *TestResolver) LookupIPAddr(ctx context.Context, host string) (as []net.IPAddr, err error)

func (*TestResolver) LookupMX

func (r *TestResolver) LookupMX(ctx context.Context, domain string) (mxs []*net.MX, err error)

func (*TestResolver) LookupTXT

func (r *TestResolver) LookupTXT(ctx context.Context, domain string) (txts []string, err error)