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3080ec0448
Enable errorlint and preserve wrapped error chains so runtime checks and tests classify failures correctly. This also makes Route53 surface insert failures instead of silently dropping them. Signed-off-by: Ville Vesilehto <ville@vesilehto.fi>
82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
package chaos
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import (
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"context"
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"errors"
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"testing"
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"github.com/coredns/coredns/plugin"
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"github.com/coredns/coredns/plugin/pkg/dnstest"
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"github.com/coredns/coredns/plugin/test"
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"github.com/miekg/dns"
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)
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func TestChaos(t *testing.T) {
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em := Chaos{
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Version: version,
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Authors: []string{"Miek Gieben"},
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}
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tests := []struct {
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next plugin.Handler
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qname string
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qtype uint16
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expectedCode int
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expectedReply string
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expectedErr error
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}{
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{
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next: test.NextHandler(dns.RcodeSuccess, nil),
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qname: "version.bind",
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expectedCode: dns.RcodeSuccess,
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expectedReply: version,
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expectedErr: nil,
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},
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{
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next: test.NextHandler(dns.RcodeSuccess, nil),
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qname: "authors.bind",
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expectedCode: dns.RcodeSuccess,
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expectedReply: "Miek Gieben",
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expectedErr: nil,
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},
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{
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next: test.NextHandler(dns.RcodeSuccess, nil),
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qname: "authors.bind",
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qtype: dns.TypeSRV,
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expectedCode: dns.RcodeSuccess,
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expectedErr: nil,
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},
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}
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ctx := context.TODO()
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for i, tc := range tests {
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req := new(dns.Msg)
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if tc.qtype == 0 {
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tc.qtype = dns.TypeTXT
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}
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req.SetQuestion(dns.Fqdn(tc.qname), tc.qtype)
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req.Question[0].Qclass = dns.ClassCHAOS
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em.Next = tc.next
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rec := dnstest.NewRecorder(&test.ResponseWriter{})
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code, err := em.ServeDNS(ctx, rec, req)
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if !errors.Is(err, tc.expectedErr) {
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t.Errorf("Test %d: Expected error %v, but got %v", i, tc.expectedErr, err)
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}
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if code != tc.expectedCode {
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t.Errorf("Test %d: Expected status code %d, but got %d", i, tc.expectedCode, code)
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}
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if tc.expectedReply != "" {
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answer := rec.Msg.Answer[0].(*dns.TXT).Txt[0]
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if answer != tc.expectedReply {
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t.Errorf("Test %d: Expected answer %s, but got %s", i, tc.expectedReply, answer)
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}
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}
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}
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}
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const version = "CoreDNS-001"
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