mirror of
https://github.com/juanfont/headscale.git
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4cca63155d
Every Go-identifier reference in // and /* */ comments now uses
godoc's [Name] linking syntax so pkg.go.dev and `go doc` render
them as clickable cross-references. No behaviour change.
Pattern applied across the tree:
In-package [Foo], [Foo.Bar]
Cross-package [pkg.Foo], [pkg.Foo.Bar]
Stdlib [netip.Prefix], [errors.Is], [context.Context]
Tailscale [tailcfg.MapResponse], [tailcfg.Node.CapMap],
[tailcfg.NodeAttrSuggestExitNode]
Skip rules:
- File:line refs left as plain text
- HuJSON wire keys inside backtick raw strings untouched
- ACL/policy syntax tokens (tag:foo, autogroup:self, ...) not Go
symbols, left as plain text
- JSON/OIDC wire keys, gorm tags, RFC IPv6 placeholders, markdown
link tags, decorative dividers — all left as-is
54 lines
1.7 KiB
Go
54 lines
1.7 KiB
Go
package util
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import (
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"net/netip"
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"testing"
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"github.com/stretchr/testify/assert"
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"tailscale.com/util/dnsname"
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"tailscale.com/util/must"
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)
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func TestMagicDNSRootDomains100(t *testing.T) {
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domains := GenerateIPv4DNSRootDomain(netip.MustParsePrefix("100.64.0.0/10"))
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assert.Contains(t, domains, must.Get(dnsname.ToFQDN("64.100.in-addr.arpa.")))
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assert.Contains(t, domains, must.Get(dnsname.ToFQDN("100.100.in-addr.arpa.")))
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assert.Contains(t, domains, must.Get(dnsname.ToFQDN("127.100.in-addr.arpa.")))
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}
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func TestMagicDNSRootDomains172(t *testing.T) {
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domains := GenerateIPv4DNSRootDomain(netip.MustParsePrefix("172.16.0.0/16"))
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assert.Contains(t, domains, must.Get(dnsname.ToFQDN("0.16.172.in-addr.arpa.")))
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assert.Contains(t, domains, must.Get(dnsname.ToFQDN("255.16.172.in-addr.arpa.")))
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}
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// Happens when netmask is a multiple of 4 bits (sounds likely).
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func TestMagicDNSRootDomainsIPv6Single(t *testing.T) {
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domains := GenerateIPv6DNSRootDomain(netip.MustParsePrefix("fd7a:115c:a1e0::/48"))
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assert.Len(t, domains, 1)
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assert.Equal(t, "0.e.1.a.c.5.1.1.a.7.d.f.ip6.arpa.", domains[0].WithTrailingDot())
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}
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func TestMagicDNSRootDomainsIPv6SingleMultiple(t *testing.T) {
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domains := GenerateIPv6DNSRootDomain(netip.MustParsePrefix("fd7a:115c:a1e0::/50"))
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yieldsRoot := func(dom string) bool {
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for _, candidate := range domains {
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if candidate.WithTrailingDot() == dom {
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return true
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}
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}
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return false
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}
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assert.Len(t, domains, 4)
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assert.True(t, yieldsRoot("0.0.e.1.a.c.5.1.1.a.7.d.f.ip6.arpa."))
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assert.True(t, yieldsRoot("1.0.e.1.a.c.5.1.1.a.7.d.f.ip6.arpa."))
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assert.True(t, yieldsRoot("2.0.e.1.a.c.5.1.1.a.7.d.f.ip6.arpa."))
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assert.True(t, yieldsRoot("3.0.e.1.a.c.5.1.1.a.7.d.f.ip6.arpa."))
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}
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