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utils_test.go
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package dnsutils_test
import (
"fmt"
"math"
"github.com/miekg/dns"
"github.com/mimuret/dnsutils"
. "github.com/mimuret/dnsutils/testtool"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ dnsutils.NameNodeInterface = &BrokenNode{}
type BrokenNode struct {
*dnsutils.NameNode
Children map[string]dnsutils.NameNodeInterface
}
func (n *BrokenNode) GetNameNode(target string) (node dnsutils.NameNodeInterface, isStrict bool) {
nn, ok := n.Children[dns.CanonicalName(target)]
return nn, ok
}
var _ = Describe("utils", func() {
var (
soa = MustNewRR("example.jp. 300 IN SOA localhost. root.localhost. 1 3600 600 86400 900")
a1 = MustNewRR("example.jp. 300 IN A 192.168.0.1")
a2 = MustNewRR("example.jp. 300 IN A 192.168.0.2")
www = MustNewRR("www.example.jp. 300 IN A 192.168.0.1")
)
Context("Test for Equals", func() {
It("can compare between non-normalized name", func() {
testcases := []struct {
A string
B string
res OmegaMatcher
}{
{
"example.jp.", "example.jp.", BeTrue(),
},
{
"\x45xample.jp.", "example.jp.", BeTrue(),
},
{
"\x65xample.jp.", "example.jp.", BeTrue(),
},
{
"\105xample.jp.", "example.jp.", BeTrue(),
},
{
"\145xample.jp.", "example.jp.", BeTrue(),
},
{
"example.jp.", "example.jp", BeTrue(),
},
{
"Example.jp.", "example.Jp", BeTrue(),
},
{
"Example.j2p.", "example.Jp", BeFalse(),
},
{
".example.jp.", "example.jp.", BeFalse(),
},
{
"jp.", "example.jp.", BeFalse(),
},
{
"example.jp.", "jp.", BeFalse(),
},
{
"..", ".", BeFalse(),
},
{
".", "..", BeFalse(),
},
}
for _, tc := range testcases {
res := dnsutils.Equals(tc.A, tc.B)
Expect(res).To(tc.res)
}
})
})
Context("Test for IsHostname", func() {
var (
name string
idDomain bool
isHost bool
)
When("invalid domain name", func() {
BeforeEach(func() {
name = ".."
_, idDomain = dns.IsDomainName(name)
isHost = dnsutils.IsHostname(name)
})
It("returns false", func() {
Expect(idDomain).To(BeFalse())
Expect(isHost).To(BeFalse())
})
})
When("invalid hostname name", func() {
It("returns false", func() {
testcase := []string{
"_dmarc.example.jp",
"a-.example.jp.",
"-.example.jp.",
"-a.example.jp.",
"_.example.jp.",
"a_b.example.jp.",
}
for _, tc := range testcase {
_, idDomain = dns.IsDomainName(tc)
isHost = dnsutils.IsHostname(tc)
Expect(idDomain).To(BeTrue(), tc)
Expect(isHost).To(BeFalse(), tc)
}
})
})
When("wiledcard name", func() {
BeforeEach(func() {
name = "*.example.jp"
_, idDomain = dns.IsDomainName(name)
isHost = dnsutils.IsHostname(name)
})
It("returns false", func() {
Expect(idDomain).To(BeTrue())
Expect(isHost).To(BeFalse())
})
})
When("valid hostname name", func() {
It("returns true", func() {
testcase := []string{
"1.example.jp.",
"a.example.jp.",
"\101.example.jp.",
"\x65.example.jp.",
"1B.example.jp.",
"1-B.example.jp.",
"1-C.example.jp.",
}
for _, tc := range testcase {
_, idDomain = dns.IsDomainName(tc)
isHost = dnsutils.IsHostname(tc)
Expect(idDomain).To(BeTrue(), tc)
Expect(isHost).To(BeTrue(), tc)
}
})
})
})
Context("IsENT", func() {
When("rrset exist and rdata exist", func() {
It("returns false", func() {
a := MustNewRR("example.jp. 300 IN A 192.168.0.1")
n := MustNewNameNode("example.jp", dns.ClassINET)
n.SetRRSet(dnsutils.NewRRSetFromRR(a))
Expect(dnsutils.IsENT(n)).To(BeFalse())
})
})
When("rrset exist and rdata not exist", func() {
It("returns true", func() {
n := MustNewNameNode("example.jp", dns.ClassINET)
set := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, nil)
n.SetRRSet(set)
Expect(dnsutils.IsENT(n)).To(BeTrue())
})
})
When("rrset not exist", func() {
It("returns true", func() {
n := MustNewNameNode("example.jp", dns.ClassINET)
Expect(dnsutils.IsENT(n)).To(BeTrue())
})
})
})
Context("IsEqualsRRSet", func() {
When("ignore name", func() {
It("returns false", func() {
a := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, nil)
b := MustNewRRSet("example.jp2", 300, dns.ClassINET, dns.TypeA, nil)
Expect(dnsutils.IsEqualsRRSet(a, b)).To(BeFalse())
})
})
When("ignore type", func() {
It("returns false", func() {
a := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, nil)
b := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeAAAA, nil)
Expect(dnsutils.IsEqualsRRSet(a, b)).To(BeFalse())
})
})
When("ignore rdata length", func() {
It("returns false", func() {
a := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a1, a2})
b := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a2})
Expect(dnsutils.IsEqualsRRSet(a, b)).To(BeFalse())
})
})
When("ignore rdata", func() {
It("returns false", func() {
a := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a1})
b := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a2})
Expect(dnsutils.IsEqualsRRSet(a, b)).To(BeFalse())
})
})
When("same (rdata is particular order)", func() {
It("returns true", func() {
a := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a1, a2})
b := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a1, a2})
Expect(dnsutils.IsEqualsRRSet(a, b)).To(BeTrue())
})
})
When("same (rdata is no particular order)", func() {
It("returns true", func() {
a := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a1, a2})
b := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a2, a1})
Expect(dnsutils.IsEqualsRRSet(a, b)).To(BeTrue())
})
})
When("same (ttl is ignore)", func() {
It("returns true", func() {
a := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a1, a2})
b := MustNewRRSet("example.jp.", 100, dns.ClassINET, dns.TypeA, []dns.RR{a1, a2})
Expect(dnsutils.IsEqualsRRSet(a, b)).To(BeTrue())
})
})
})
Context("IsCompleteEqualsRRSet", func() {
When("ttl is ignore", func() {
It("returns false", func() {
a := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a1, a2})
b := MustNewRRSet("example.jp.", 100, dns.ClassINET, dns.TypeA, []dns.RR{a1, a2})
Expect(dnsutils.IsCompleteEqualsRRSet(a, b)).To(BeFalse())
})
})
When("same", func() {
It("returns false", func() {
a := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a1, a2})
b := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a1, a2})
Expect(dnsutils.IsCompleteEqualsRRSet(a, b)).To(BeTrue())
})
})
})
Context("IsEqualsNode", func() {
var (
a, b *dnsutils.NameNode
ok bool
)
When("equls empty node", func() {
BeforeEach(func() {
a = MustNewNameNode("example.jp.", dns.ClassINET)
b = MustNewNameNode("example.jp.", dns.ClassINET)
ok = dnsutils.IsEqualsNode(a, b, false)
})
It("returns true", func() {
Expect(ok).To(BeTrue())
})
})
When("equls node", func() {
BeforeEach(func() {
a = MustNewNameNode("example.jp.", dns.ClassINET)
a.SetRRSet(MustNewRRSet("example.jp.", 3600, dns.ClassINET, dns.TypeSOA, []dns.RR{MustNewRR("example.jp. 3600 IN SOA localhost. root.localhost. 1 3600 900 85400 300")}))
a.SetRRSet(MustNewRRSet("example.jp.", 3600, dns.ClassINET, dns.TypeNS, []dns.RR{MustNewRR("example.jp. 3600 IN NS ns.example.com.")}))
b = MustNewNameNode("example.jp.", dns.ClassINET)
b.SetRRSet(MustNewRRSet("example.jp.", 3600, dns.ClassINET, dns.TypeSOA, []dns.RR{MustNewRR("example.jp. 3600 IN SOA localhost. root.localhost. 1 3600 900 85400 300")}))
b.SetRRSet(MustNewRRSet("example.jp.", 3600, dns.ClassINET, dns.TypeNS, []dns.RR{MustNewRR("example.jp. 3600 IN NS ns.example.com.")}))
})
It("returns true", func() {
ok = dnsutils.IsEqualsNode(a, b, false)
Expect(ok).To(BeTrue())
ok = dnsutils.IsEqualsNode(a, b, true)
Expect(ok).To(BeTrue())
})
})
When("a has more rrset", func() {
BeforeEach(func() {
a = MustNewNameNode("example.jp.", dns.ClassINET)
a.SetRRSet(MustNewRRSet("example.jp.", 3600, dns.ClassINET, dns.TypeSOA, []dns.RR{MustNewRR("example.jp. 3600 IN SOA localhost. root.localhost. 1 3600 900 85400 300")}))
a.SetRRSet(MustNewRRSet("example.jp.", 3600, dns.ClassINET, dns.TypeNS, []dns.RR{MustNewRR("example.jp. 3600 IN NS ns.example.com.")}))
b = MustNewNameNode("example.jp.", dns.ClassINET)
b.SetRRSet(MustNewRRSet("example.jp.", 3600, dns.ClassINET, dns.TypeSOA, []dns.RR{MustNewRR("example.jp. 3600 IN SOA localhost. root.localhost. 1 3600 900 85400 300")}))
})
It("returns false", func() {
ok = dnsutils.IsEqualsNode(a, b, false)
Expect(ok).To(BeFalse())
ok = dnsutils.IsEqualsNode(a, b, true)
Expect(ok).To(BeFalse())
})
})
When("name ignore", func() {
BeforeEach(func() {
a = MustNewNameNode("example.jp.", dns.ClassINET)
b = MustNewNameNode("example.com.", dns.ClassINET)
ok = dnsutils.IsEqualsNode(a, b, false)
})
It("returns false", func() {
Expect(ok).To(BeFalse())
})
})
When("rrset ignore", func() {
BeforeEach(func() {
a = MustNewNameNode("example.jp.", dns.ClassINET)
a.SetRRSet(MustNewRRSet("example.jp.", 3600, dns.ClassINET, dns.TypeSOA, []dns.RR{MustNewRR("example.jp. 3600 IN SOA localhost. root.localhost. 1 3600 900 85400 300")}))
a.SetRRSet(MustNewRRSet("example.jp.", 3600, dns.ClassINET, dns.TypeNS, []dns.RR{MustNewRR("example.jp. 3600 IN NS ns.example.com.")}))
b = MustNewNameNode("example.jp.", dns.ClassINET)
b.SetRRSet(MustNewRRSet("example.jp.", 3600, dns.ClassINET, dns.TypeSOA, []dns.RR{MustNewRR("example.jp. 3600 IN SOA localhost. root.localhost. 1 3600 900 85400 300")}))
b.SetRRSet(MustNewRRSet("example.jp.", 3600, dns.ClassINET, dns.TypeNS, []dns.RR{MustNewRR("example.jp. 3600 IN NS ns.example.net.")}))
})
It("returns false", func() {
ok = dnsutils.IsEqualsNode(a, b, false)
Expect(ok).To(BeFalse())
ok = dnsutils.IsEqualsNode(a, b, true)
Expect(ok).To(BeFalse())
})
})
})
Context("IsEqualsAllTree", func() {
var (
a, b *dnsutils.NameNode
ok bool
err error
soaRRSet = MustNewRRSet("example.jp.", 3600, dns.ClassINET, dns.TypeSOA, []dns.RR{MustNewRR("example.jp. 3600 IN SOA localhost. root.localhost. 1 3600 900 85400 300")})
wwwRRSet = MustNewRRSet("www.sub.example.jp.", 3600, dns.ClassINET, dns.TypeA, []dns.RR{MustNewRR("www.sub.exmaple.jp. 3600 IN A 192.168.0.0")})
mxRRSet = MustNewRRSet("mx.sub.example.jp.", 3600, dns.ClassINET, dns.TypeMX, []dns.RR{MustNewRR("mx.sub.exmaple.jp. 3600 IN MX 0 mx.example.com.")})
txtRRSet = MustNewRRSet("txt.example.jp.", 3600, dns.ClassINET, dns.TypeTXT, []dns.RR{MustNewRR("txt.exmaple.jp. 3600 IN TXT \"hoge\"")})
www6RRSet = MustNewRRSet("www.sub.example.jp.", 3600, dns.ClassINET, dns.TypeAAAA, []dns.RR{MustNewRR("www.sub.exmaple.jp. 3600 IN AAAA 2001:db8::1")})
)
BeforeEach(func() {
a = MustNewNameNode("example.jp.", dns.ClassINET)
a.SetRRSet(soaRRSet)
mxNode := MustNewNameNode("mx.sub.example.jp.", dns.ClassINET)
mxNode.SetRRSet(mxRRSet)
err = dnsutils.SetNameNode(a, mxNode, nil)
Expect(err).To(Succeed())
wwwNode := MustNewNameNode("www.sub.example.jp.", dns.ClassINET)
wwwNode.SetRRSet(wwwRRSet)
err = dnsutils.SetNameNode(a, wwwNode, nil)
Expect(err).To(Succeed())
})
When("equsls tree", func() {
BeforeEach(func() {
ok = dnsutils.IsEqualsAllTree(a, a, false)
})
It("returns true", func() {
Expect(ok).To(BeTrue())
})
})
When("root node name ignore", func() {
BeforeEach(func() {
a = MustNewNameNode("example.jp.", dns.ClassINET)
b = MustNewNameNode("example.com.", dns.ClassINET)
ok = dnsutils.IsEqualsAllTree(a, b, false)
})
It("returns false", func() {
Expect(ok).To(BeFalse())
})
})
When("a have more subdomain node", func() {
BeforeEach(func() {
b = MustNewNameNode("example.jp.", dns.ClassINET)
b.SetRRSet(soaRRSet)
ok = dnsutils.IsEqualsAllTree(a, b, false)
})
It("returns false", func() {
Expect(ok).To(BeFalse())
})
})
When("a have more node", func() {
BeforeEach(func() {
b = MustNewNameNode("example.jp.", dns.ClassINET)
b.SetRRSet(soaRRSet)
mxNode := MustNewNameNode("mx.sub.example.jp.", dns.ClassINET)
mxNode.SetRRSet(mxRRSet)
err = dnsutils.SetNameNode(b, mxNode, nil)
Expect(err).To(Succeed())
ok = dnsutils.IsEqualsAllTree(a, b, false)
})
It("returns false", func() {
Expect(ok).To(BeFalse())
})
})
When("b have more node", func() {
BeforeEach(func() {
b = MustNewNameNode("example.jp.", dns.ClassINET)
b.SetRRSet(soaRRSet)
mxNode := MustNewNameNode("mx.sub.example.jp.", dns.ClassINET)
mxNode.SetRRSet(mxRRSet)
err = dnsutils.SetNameNode(b, mxNode, nil)
Expect(err).To(Succeed())
wwwNode := MustNewNameNode("www.sub.example.jp.", dns.ClassINET)
wwwNode.SetRRSet(wwwRRSet)
err = dnsutils.SetNameNode(b, wwwNode, nil)
Expect(err).To(Succeed())
txtNode := MustNewNameNode("txt.example.jp.", dns.ClassINET)
txtNode.SetRRSet(txtRRSet)
err = dnsutils.SetNameNode(b, txtNode, nil)
Expect(err).To(Succeed())
ok = dnsutils.IsEqualsAllTree(a, b, true)
})
It("returns false", func() {
Expect(ok).To(BeFalse())
})
})
When("ignore node", func() {
BeforeEach(func() {
b = MustNewNameNode("example.jp.", dns.ClassINET)
b.SetRRSet(soaRRSet)
mxNode := MustNewNameNode("mx.sub.example.jp.", dns.ClassINET)
mxNode.SetRRSet(mxRRSet)
err = dnsutils.SetNameNode(b, mxNode, nil)
Expect(err).To(Succeed())
wwwNode := MustNewNameNode("www.sub.example.jp.", dns.ClassINET)
wwwNode.SetRRSet(wwwRRSet)
wwwNode.SetRRSet(www6RRSet)
err = dnsutils.SetNameNode(b, wwwNode, nil)
Expect(err).To(Succeed())
ok = dnsutils.IsEqualsAllTree(a, b, true)
})
It("returns false", func() {
Expect(ok).To(BeFalse())
})
})
})
Context("IsEmptyRRSet", func() {
When("set is nil", func() {
It("returns true", func() {
Expect(dnsutils.IsEmptyRRSet(nil)).To(BeTrue())
})
})
When("set is not nil, rdata is empty", func() {
It("returns true", func() {
set := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, nil)
Expect(dnsutils.IsEmptyRRSet(set)).To(BeTrue())
})
})
When("set is not nil, rdata is not empty", func() {
It("returns false", func() {
set := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{a1})
Expect(dnsutils.IsEmptyRRSet(set)).To(BeFalse())
})
})
})
Context("GetRRSetOrCreate", func() {
When("exist rrset", func() {
It("returns existing rrset", func() {
set := dnsutils.NewRRSetFromRRs([]dns.RR{a1, a2})
root, err := dnsutils.NewNameNode("example.jp.", dns.ClassINET)
Expect(err).To(Succeed())
root.SetRRSet(set)
Expect(dnsutils.GetRRSetOrCreate(root, dns.TypeA, 300, nil)).To(Equal(set))
})
})
When("not exist rrset", func() {
It("returns new rrset", func() {
root, err := dnsutils.NewNameNode("example.jp.", dns.ClassINET)
Expect(err).To(Succeed())
a4set, _ := dnsutils.GetRRSetOrCreate(root, dns.TypeAAAA, 300, nil)
Expect(a4set.GetRRtype()).To(Equal(dns.TypeAAAA))
Expect(a4set.GetName()).To(Equal("example.jp."))
})
})
})
Context("GetNodeOrCreate", func() {
When("invalid name ", func() {
It("returns ErrBadName", func() {
root := MustNewNameNode("example.jp.", dns.ClassINET)
_, err := dnsutils.GetNameNodeOrCreate(root, "..www.example.jp", nil)
Expect(err).To(Equal(dnsutils.ErrBadName))
})
})
When("not name node subdomain or same domain", func() {
It("returns ErrNotInDomain", func() {
root := MustNewNameNode("example.jp.", dns.ClassINET)
_, err := dnsutils.GetNameNodeOrCreate(root, "example.com", nil)
Expect(err).To(Equal(dnsutils.ErrNotInDomain))
})
})
When("exist node", func() {
It("returns existing node", func() {
set := dnsutils.NewRRSetFromRR(www)
root, err := dnsutils.NewNameNode("example.jp.", dns.ClassINET)
Expect(err).To(Succeed())
wwwNode, err := dnsutils.NewNameNode("www.example.jp.", dns.ClassINET)
Expect(err).To(Succeed())
wwwNode.SetRRSet(set)
dnsutils.SetNameNode(root, wwwNode, nil)
Expect(dnsutils.GetNameNodeOrCreate(root, "www.example.jp", nil)).To(Equal(wwwNode))
})
})
When("not exist node", func() {
It("returns new node", func() {
root, err := dnsutils.NewNameNode("example.jp.", dns.ClassINET)
Expect(err).To(Succeed())
wwwNode, err := dnsutils.GetNameNodeOrCreate(root, "www.example.jp", nil)
Expect(err).To(Succeed())
Expect(wwwNode.GetName()).To(Equal("www.example.jp."))
})
})
})
Context("GetRDATA", func() {
When("rdata exist", func() {
It("returns rdata", func() {
Expect(dnsutils.GetRDATA(a1)).To(Equal("192.168.0.1"))
Expect(dnsutils.GetRDATA(soa)).To(Equal("localhost. root.localhost. 1 3600 600 86400 900"))
})
})
When("rdata not exist", func() {
It("returns empty", func() {
any := &dns.ANY{Hdr: dns.RR_Header{Name: "example.jp.", Ttl: 0, Rrtype: dns.TypeMAILA, Class: dns.ClassINET, Rdlength: 0}}
Expect(dnsutils.GetRDATA(any)).To(Equal(""))
})
})
})
Context("MakeRR", func() {
It("returns RR", func() {
set := dnsutils.NewRRSetFromRR(a1)
arr, err := dnsutils.MakeRR(set, "192.168.0.2")
Expect(err).To(Succeed())
Expect(arr).To(Equal(a2))
})
})
Context("GetRDATASlice", func() {
It("returns RDATA slice", func() {
set := MustNewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{
MustNewRR("example.jp. 300 IN A 192.168.0.1"),
MustNewRR("example.jp. 300 IN A 192.168.0.2"),
})
Expect(dnsutils.GetRDATASlice(set)).To(Equal([]string{"192.168.0.1", "192.168.0.2"}))
})
})
Context("SetRdata", func() {
var (
set *dnsutils.RRSet
err error
)
BeforeEach(func() {
set, _ = dnsutils.NewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeA, nil)
})
When("rdata is invalid", func() {
BeforeEach(func() {
err = dnsutils.SetRdata(set, []string{"192.168.0.1", "0000"})
})
It("returns ErrRdata", func() {
Expect(err).To(Equal(dnsutils.ErrRdata))
})
It("nothing todo", func() {
Expect(set.Len()).To(Equal(0))
})
})
When("rdata is valid, but failed to AddRR", func() {
BeforeEach(func() {
set, _ = dnsutils.NewRRSet("example.jp.", 300, dns.ClassINET, dns.TypeCNAME, nil)
err = dnsutils.SetRdata(set, []string{"www.exampe.jp.", "www2.example.jp."})
})
It("returns ErrRdata", func() {
Expect(err).To(Equal(dnsutils.ErrConflict))
})
It("add valid rdata before invalid rdata", func() {
Expect(set.Len()).To(Equal(1))
})
})
When("valid rdata", func() {
BeforeEach(func() {
err = dnsutils.SetRdata(set, []string{"192.168.0.1", "172.16.0.1"})
})
It("successful", func() {
Expect(err).To(Succeed())
})
It("set rr", func() {
Expect(dnsutils.GetRDATASlice(set)).To(Equal([]string{"192.168.0.1", "172.16.0.1"}))
})
})
})
Context("ConvertStringToType", func() {
var (
res uint16
err error
)
When("type is defined", func() {
BeforeEach(func() {
res, err = dnsutils.ConvertStringToType("A")
})
It("returns code", func() {
Expect(res).To(Equal(dns.TypeA))
})
It("no error", func() {
Expect(err).To(Succeed())
})
})
When("type is not define, and it's not match TYPE*", func() {
BeforeEach(func() {
res, err = dnsutils.ConvertStringToType("HOGE")
})
It("returns ErrInvalid", func() {
Expect(err).To(Equal(dnsutils.ErrInvalid))
})
})
When("type is not define, and it's match TYPE*, but matche string is not integer", func() {
BeforeEach(func() {
res, err = dnsutils.ConvertStringToType("TYPE0001G")
})
It("returns ErrInvalid", func() {
Expect(err).To(Equal(dnsutils.ErrInvalid))
})
})
When("type is not define, and it's match TYPE*, but matche string is not uint", func() {
BeforeEach(func() {
res, err = dnsutils.ConvertStringToType("TYPE-1")
})
It("returns ErrInvalid", func() {
Expect(err).To(Equal(dnsutils.ErrInvalid))
})
})
When("type is not define, and it's match TYPE*, but matche string is not uint16", func() {
BeforeEach(func() {
res, err = dnsutils.ConvertStringToType("TYPE65536")
})
It("returns ErrInvalid", func() {
Expect(err).To(Equal(dnsutils.ErrInvalid))
})
})
When("type is not define, and it's match TYPE*, matche string is uint16", func() {
BeforeEach(func() {
res, err = dnsutils.ConvertStringToType("TYPE65535")
})
It("returns code", func() {
Expect(res).To(Equal(uint16(math.MaxUint16)))
})
It("no error", func() {
Expect(err).To(Succeed())
})
})
})
Context("ConvertClassToString", func() {
var (
res dns.Class
err error
)
When("class is defined", func() {
BeforeEach(func() {
res, err = dnsutils.ConvertStringToClass("IN")
})
It("returns class", func() {
Expect(res).To(Equal(dns.Class(dns.ClassINET)))
})
It("no error", func() {
Expect(err).To(Succeed())
})
})
When("class is not define, and it's not match CLASS*", func() {
BeforeEach(func() {
res, err = dnsutils.ConvertStringToClass("HOGE")
})
It("returns ErrInvalid", func() {
Expect(err).To(Equal(dnsutils.ErrInvalid))
})
})
When("class is not define, and it's match CLASS*, but matche string is not integer", func() {
BeforeEach(func() {
res, err = dnsutils.ConvertStringToClass("CLASS0001G")
})
It("returns ErrInvalid", func() {
Expect(err).To(Equal(dnsutils.ErrInvalid))
})
})
When("class is not define, and it's match CLASS*, but matche string is not uint", func() {
BeforeEach(func() {
res, err = dnsutils.ConvertStringToClass("CLASS-1")
})
It("returns ErrInvalid", func() {
Expect(err).To(Equal(dnsutils.ErrInvalid))
})
})
When("type is not define, and it's match CLASS*, but matche string is not uint16", func() {
BeforeEach(func() {
res, err = dnsutils.ConvertStringToClass("CLASS65536")
})
It("returns ErrInvalid", func() {
Expect(err).To(Equal(dnsutils.ErrInvalid))
})
})
When("type is not define, and it's match CLASS*, matche string is uint16", func() {
BeforeEach(func() {
res, err = dnsutils.ConvertStringToClass("CLASS65535")
})
It("returns code", func() {
Expect(res).To(Equal(dns.Class(math.MaxUint16)))
})
It("no error", func() {
Expect(err).To(Succeed())
})
})
})
Context("ConvertTypeToString", func() {
var (
res string
)
When("type is defined", func() {
BeforeEach(func() {
res = dnsutils.ConvertTypeToString(dns.TypeA)
})
It("returns code", func() {
Expect(res).To(Equal("A"))
})
})
When("type is not define", func() {
BeforeEach(func() {
res = dnsutils.ConvertTypeToString(65534)
})
It("returns ErrInvalid", func() {
Expect(res).To(Equal("TYPE65534"))
})
})
})
Context("ConvertClassToString", func() {
var (
res string
)
When("class is defined", func() {
BeforeEach(func() {
res = dnsutils.ConvertClassToString(dns.ClassINET)
})
It("returns code", func() {
Expect(res).To(Equal("IN"))
})
})
When("class is not define", func() {
BeforeEach(func() {
res = dnsutils.ConvertClassToString(65534)
})
It("returns ErrInvalid", func() {
Expect(res).To(Equal("CLASS65534"))
})
})
})
Context("Test RemoveNameNode", func() {
var (
ok bool
aRRSet, aaaaRRSet, blueRRSet *dnsutils.RRSet
root, www1, www2, www3, www4, blue, alpha, beta *dnsutils.NameNode
a11 = MustNewRR("example.jp. IN A 192.168.0.1")
a12 = MustNewRR("example.jp. IN A 192.168.0.2")
aaaa11 = MustNewRR("example.jp. IN AAAA 2001:db8::1")
aaaa12 = MustNewRR("example.jp. IN AAAA 2001:db8::2")
blueA = MustNewRR("blue.www4.example.jp. IN AAAA 2001:db8::1")
)
BeforeEach(func() {
root = MustNewNameNode("example.jp", dns.ClassINET)
www1 = MustNewNameNode("www1.example.jp", dns.ClassINET)
www2 = MustNewNameNode("www2.example.jp", dns.ClassINET)
www3 = MustNewNameNode("www3.example.jp", dns.ClassINET)
www4 = MustNewNameNode("www4.example.jp", dns.ClassINET)
root.AddChildNameNode(www1)
root.AddChildNameNode(www2)
root.AddChildNameNode(www3)
root.AddChildNameNode(www4)
blue = MustNewNameNode("blue.www4.example.jp", dns.ClassINET)
www4.AddChildNameNode(blue)
alpha = MustNewNameNode("alpha.blue.www4.example.jp", dns.ClassINET)
blue.AddChildNameNode(alpha)
beta = MustNewNameNode("beta.alpha.blue.www4.example.jp", dns.ClassINET)
alpha.AddChildNameNode(beta)
aRRSet = MustNewRRSet("example.jp", 0, dns.ClassINET, dns.TypeA, []dns.RR{a11, a12})
aaaaRRSet = MustNewRRSet("example.jp", 0, dns.ClassINET, dns.TypeAAAA, []dns.RR{aaaa11, aaaa12})
root.SetRRSet(aRRSet)
root.SetRRSet(aaaaRRSet)
blueRRSet = MustNewRRSet("blue.www4.example.jp", 0, dns.ClassINET, dns.TypeA, []dns.RR{blueA})
blue.SetRRSet(blueRRSet)
})
It("can remove directly child node", func() {
err := dnsutils.RemoveNameNode(root, "www1.example.jp")
Expect(err).To(Succeed())
_, ok := root.GetNameNode("www1.example.jp")
Expect(ok).To(BeFalse())
})
It("no error, if name not exist", func() {
_, ok := root.GetNameNode("www-not-exist.example.jp")
Expect(ok).To(BeFalse())
err := dnsutils.RemoveNameNode(root, "www-not-exist.example.jp")
Expect(err).To(Succeed())
})
It("can remove grand child and remove ENT node", func() {
_, ok = root.GetNameNode("www4.example.jp")
Expect(ok).To(BeTrue())
err := dnsutils.RemoveNameNode(root, "blue.www4.example.jp")
Expect(err).To(Succeed())
_, ok = root.GetNameNode("www4.example.jp")
Expect(ok).To(BeFalse())
_, ok = root.GetNameNode("blue.www4.example.jp")
Expect(ok).To(BeFalse())
_, ok = root.GetNameNode("alpha.blue.www4.example.jp")
Expect(ok).To(BeFalse())
})
It("can remove grand child and not remove no ENT node", func() {
err := dnsutils.RemoveNameNode(root, "beta.alpha.blue.www4.example.jp")
Expect(err).To(Succeed())
_, ok := root.GetNameNode("www4.example.jp")
Expect(ok).To(BeTrue())
_, ok = root.GetNameNode("blue.www4.example.jp")
Expect(ok).To(BeTrue())
_, ok = root.GetNameNode("alpha.blue.www4.example.jp")
Expect(ok).To(BeFalse())
_, ok = root.GetNameNode("beta.alpha.blue.www4.example.jp")
Expect(ok).To(BeFalse())
})
It("can not be remove not sub domain", func() {
err := dnsutils.RemoveNameNode(root, "example.jp")
Expect(err).To(HaveOccurred())
err = dnsutils.RemoveNameNode(root, "example2.jp")
Expect(err).To(HaveOccurred())
err = dnsutils.RemoveNameNode(root, "jp")
Expect(err).To(HaveOccurred())
})
When("name node broken", func() {
var (
err error
bn *BrokenNode
)
BeforeEach(func() {
bn = &BrokenNode{
NameNode: MustNewNameNode("example.jp", dns.ClassINET),
Children: map[string]dnsutils.NameNodeInterface{
"www.west.example.jp.": MustNewNameNode("www.west.example.jp", dns.ClassINET),
},
}
err = dnsutils.RemoveNameNode(bn, "www.west.example.jp")
})
It("returns ErrNameTreeBroken", func() {
Expect(err).To(Equal(dnsutils.ErrNameTreeBroken))
})
})
When("root name node is root", func() {
var (
err error
root *dnsutils.NameNode
)
BeforeEach(func() {
root, err = dnsutils.NewNameNode(".", dns.ClassINET)
Expect(err).To(Succeed())
err = dnsutils.RemoveNameNode(root, ".")
})
It("returns ErrNameTreeBroken", func() {
Expect(err).To(Equal(dnsutils.ErrRemoveItself))
})
})
})
Context("Test SetNameNode", func() {
var (
g *TestGenerator
root *dnsutils.NameNode
)
BeforeEach(func() {
g = &TestGenerator{
Generator: &dnsutils.DefaultGenerator{},
}
root = MustNewNameNode("example.jp", dns.ClassINET)
})
It("can not set name that is not subdomain", func() {
example2 := MustNewNameNode("example2.jp", dns.ClassINET)
err := dnsutils.SetNameNode(root, example2, nil)
Expect(err).To(HaveOccurred())
})
It("can set directly child node", func() {
www5 := MustNewNameNode("www5.example.jp", dns.ClassINET)
err := dnsutils.SetNameNode(root, www5, nil)
Expect(err).To(Succeed())
nameNode, ok := root.GetNameNode("www5.example.jp")
Expect(ok).To(BeTrue())
Expect(nameNode).To(Equal(www5))
})
It("can set not directly child node", func() {
red := MustNewNameNode("red.www5.example.jp", dns.ClassINET)
err := dnsutils.SetNameNode(root, red, nil)
Expect(err).To(Succeed())
nameNode, ok := root.GetNameNode("red.www5.example.jp")
Expect(ok).To(BeTrue())
Expect(nameNode).To(Equal(red))
})
It("can replace exist node", func() {
newwww1 := MustNewNameNode("www1.example.jp", dns.ClassINET)
set := MustNewRRSet("www.example.jp.", 300, dns.ClassINET, dns.TypeA, []dns.RR{
MustNewRR("www1.example.jp. 300 IN A 192.168.10.0"),
})
newwww1.SetRRSet(set)
err := dnsutils.SetNameNode(root, newwww1, nil)
Expect(err).To(Succeed())
nameNode, ok := root.GetNameNode("www1.example.jp")
Expect(ok).To(BeTrue())
Expect(nameNode).To(Equal(newwww1))
})
When("failed to create name node", func() {
var (
err error
)
BeforeEach(func() {
g.NewNewNameNodeErr = fmt.Errorf("failed to run NewNameNode")
www5 := MustNewNameNode("www5.example.jp", dns.ClassINET)
err = dnsutils.SetNameNode(root, www5, g)
})
It("returns error", func() {
Expect(err).To(HaveOccurred())
})
})
})
Context("Test GetAllParentNames", func() {
var (
names []string
ok bool
)
When("valid names", func() {
When("level is 0", func() {
BeforeEach(func() {
names, ok = dnsutils.GetAllParentNames("3.example.jp", 0)
})
It("returns true", func() {
Expect(ok).To(BeTrue())
Expect(names).To(Equal([]string{
"jp.",
"example.jp.",
"3.example.jp.",
}))
})
})
When("level is 1", func() {
BeforeEach(func() {
names, ok = dnsutils.GetAllParentNames("3.example.jp", 1)
})
It("returns true", func() {
Expect(ok).To(BeTrue())
Expect(names).To(Equal([]string{
"example.jp.",
"3.example.jp.",
}))
})
})
When("level is 2", func() {
BeforeEach(func() {
names, ok = dnsutils.GetAllParentNames("3.example.jp", 2)
})
It("returns true", func() {
Expect(ok).To(BeTrue())
Expect(names).To(Equal([]string{
"3.example.jp.",
}))
})
})
When("level is 3", func() {
BeforeEach(func() {
names, ok = dnsutils.GetAllParentNames("3.example.jp", 3)
})
It("returns true", func() {
Expect(ok).To(BeTrue())
Expect(names).To(Equal([]string{}))
})
})
})
When("invalid domain name", func() {
BeforeEach(func() {
names, ok = dnsutils.GetAllParentNames(".example.jp", 0)
})
It("returns false", func() {
Expect(ok).To(BeFalse())
})
})
})
Context("Test SortNamesFunc", func() {
var (
names []string
err error
)
When("invalid names", func() {
BeforeEach(func() {
names = []string{
"example.jp.",
".example.jp",
}
err = dnsutils.SortNames(names)
})
It("return err", func() {
Expect(err).To(Equal(dnsutils.ErrBadName))
Expect(names).To(Equal([]string{
"example.jp.",
".example.jp",
}))
})
})
When("valid names", func() {
BeforeEach(func() {
names = []string{
"a.example",
"zABC.a.EXAMPLE",
"yljkjljk.a.example",
"Z.a.example",
"*.z.example",
"\200.z.example",
"z.example",