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8d7894c68e
Updates #cleanup Change-Id: I982175e74b0c8c5b3e01a573e5785e6596b7ac39 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
104 lines
2.5 KiB
Go
104 lines
2.5 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package resolvconffile
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import (
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"net/netip"
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"reflect"
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"strings"
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"testing"
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"tailscale.com/util/dnsname"
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)
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func TestParse(t *testing.T) {
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tests := []struct {
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in string
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want *Config
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wantErr bool
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}{
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{in: `nameserver 192.168.0.100`,
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want: &Config{
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Nameservers: []netip.Addr{
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netip.MustParseAddr("192.168.0.100"),
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},
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},
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},
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{in: `nameserver 192.168.0.100 # comment`,
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want: &Config{
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Nameservers: []netip.Addr{
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netip.MustParseAddr("192.168.0.100"),
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},
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},
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},
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{in: `nameserver 192.168.0.100#`,
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want: &Config{
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Nameservers: []netip.Addr{
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netip.MustParseAddr("192.168.0.100"),
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},
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},
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},
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{in: `nameserver #192.168.0.100`, wantErr: true},
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{in: `nameserver`, wantErr: true},
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{in: `# nameserver 192.168.0.100`, want: &Config{}},
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{in: `nameserver192.168.0.100`, wantErr: true},
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{in: `search tailscale.com`,
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want: &Config{
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SearchDomains: []dnsname.FQDN{"tailscale.com."},
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},
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},
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{in: `search tailscale.com # comment`,
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want: &Config{
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SearchDomains: []dnsname.FQDN{"tailscale.com."},
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},
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},
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{in: `searchtailscale.com`, wantErr: true},
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{in: `search`, wantErr: true},
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// Issue 6875: there can be multiple search domains, and even if they're
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// over 253 bytes long total.
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{
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in: "search search-01.example search-02.example search-03.example search-04.example search-05.example search-06.example search-07.example search-08.example search-09.example search-10.example search-11.example search-12.example search-13.example search-14.example search-15.example\n",
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want: &Config{
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SearchDomains: []dnsname.FQDN{
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"search-01.example.",
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"search-02.example.",
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"search-03.example.",
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"search-04.example.",
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"search-05.example.",
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"search-06.example.",
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"search-07.example.",
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"search-08.example.",
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"search-09.example.",
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"search-10.example.",
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"search-11.example.",
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"search-12.example.",
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"search-13.example.",
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"search-14.example.",
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"search-15.example.",
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},
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},
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},
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}
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for _, tt := range tests {
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cfg, err := Parse(strings.NewReader(tt.in))
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if tt.wantErr {
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if err != nil {
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continue
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}
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t.Errorf("missing error for %q", tt.in)
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continue
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}
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if err != nil {
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t.Errorf("unexpected error for %q: %v", tt.in, err)
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continue
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}
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if !reflect.DeepEqual(cfg, tt.want) {
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t.Errorf("got: %v\nwant: %v\n", cfg, tt.want)
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}
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}
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}
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