93 lines
3.2 KiB
Go
93 lines
3.2 KiB
Go
package bdns
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import (
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"context"
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"errors"
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"net"
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"net/url"
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"testing"
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"github.com/letsencrypt/boulder/test"
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"github.com/miekg/dns"
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)
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func TestError(t *testing.T) {
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testCases := []struct {
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err error
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expected string
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}{
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{
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&Error{dns.TypeA, "hostname", makeTimeoutError(), -1, nil},
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"DNS problem: query timed out looking up A for hostname",
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}, {
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&Error{dns.TypeMX, "hostname", &net.OpError{Err: errors.New("some net error")}, -1, nil},
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"DNS problem: networking error looking up MX for hostname",
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}, {
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&Error{dns.TypeTXT, "hostname", nil, dns.RcodeNameError, nil},
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"DNS problem: NXDOMAIN looking up TXT for hostname - check that a DNS record exists for this domain",
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}, {
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&Error{dns.TypeTXT, "hostname", context.DeadlineExceeded, -1, nil},
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"DNS problem: query timed out looking up TXT for hostname",
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}, {
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&Error{dns.TypeTXT, "hostname", context.Canceled, -1, nil},
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"DNS problem: query timed out (and was canceled) looking up TXT for hostname",
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}, {
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&Error{dns.TypeCAA, "hostname", nil, dns.RcodeServerFailure, nil},
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"DNS problem: SERVFAIL looking up CAA for hostname - the domain's nameservers may be malfunctioning",
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}, {
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&Error{dns.TypeA, "hostname", nil, dns.RcodeServerFailure, &dns.EDNS0_EDE{InfoCode: 1, ExtraText: "oh no"}},
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"DNS problem: looking up A for hostname: DNSSEC: Unsupported DNSKEY Algorithm: oh no",
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}, {
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&Error{dns.TypeA, "hostname", nil, dns.RcodeServerFailure, &dns.EDNS0_EDE{InfoCode: 6, ExtraText: ""}},
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"DNS problem: looking up A for hostname: DNSSEC: Bogus",
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}, {
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&Error{dns.TypeA, "hostname", nil, dns.RcodeServerFailure, &dns.EDNS0_EDE{InfoCode: 1337, ExtraText: "mysterious"}},
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"DNS problem: looking up A for hostname: Unknown Extended DNS Error code 1337: mysterious",
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}, {
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&Error{dns.TypeCAA, "hostname", nil, dns.RcodeServerFailure, nil},
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"DNS problem: SERVFAIL looking up CAA for hostname - the domain's nameservers may be malfunctioning",
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}, {
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&Error{dns.TypeCAA, "hostname", nil, dns.RcodeServerFailure, nil},
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"DNS problem: SERVFAIL looking up CAA for hostname - the domain's nameservers may be malfunctioning",
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}, {
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&Error{dns.TypeA, "hostname", nil, dns.RcodeFormatError, nil},
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"DNS problem: FORMERR looking up A for hostname",
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}, {
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&Error{dns.TypeA, "hostname", &url.Error{Op: "GET", URL: "https://example.com/", Err: dohTimeoutError{}}, -1, nil},
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"DNS problem: query timed out looking up A for hostname",
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},
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}
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for _, tc := range testCases {
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if tc.err.Error() != tc.expected {
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t.Errorf("got %q, expected %q", tc.err.Error(), tc.expected)
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}
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}
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}
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type dohTimeoutError struct{}
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func (dohTimeoutError) Error() string {
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return "doh no"
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}
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func (dohTimeoutError) Timeout() bool {
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return true
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}
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func TestWrapErr(t *testing.T) {
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err := wrapErr(dns.TypeA, "hostname", &dns.Msg{
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MsgHdr: dns.MsgHdr{Rcode: dns.RcodeSuccess},
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}, nil)
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test.AssertNotError(t, err, "expected success")
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err = wrapErr(dns.TypeA, "hostname", &dns.Msg{
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MsgHdr: dns.MsgHdr{Rcode: dns.RcodeRefused},
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}, nil)
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test.AssertError(t, err, "expected error")
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err = wrapErr(dns.TypeA, "hostname", &dns.Msg{
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MsgHdr: dns.MsgHdr{Rcode: dns.RcodeSuccess},
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}, errors.New("oh no"))
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test.AssertError(t, err, "expected error")
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}
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