284061eee7
Add a full test server impl in this new package + tests. Move dnsrecorder into this package as well and finish up the commented out tests that were left in the old dnsrecorder package. Update all callers and tests.
73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
package errors
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"fmt"
|
|
"log"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/coredns/coredns/plugin"
|
|
"github.com/coredns/coredns/plugin/pkg/dnstest"
|
|
"github.com/coredns/coredns/plugin/test"
|
|
|
|
"github.com/miekg/dns"
|
|
"golang.org/x/net/context"
|
|
)
|
|
|
|
func TestErrors(t *testing.T) {
|
|
buf := bytes.Buffer{}
|
|
em := errorHandler{Log: log.New(&buf, "", 0)}
|
|
|
|
testErr := errors.New("test error")
|
|
tests := []struct {
|
|
next plugin.Handler
|
|
expectedCode int
|
|
expectedLog string
|
|
expectedErr error
|
|
}{
|
|
{
|
|
next: genErrorHandler(dns.RcodeSuccess, nil),
|
|
expectedCode: dns.RcodeSuccess,
|
|
expectedLog: "",
|
|
expectedErr: nil,
|
|
},
|
|
{
|
|
next: genErrorHandler(dns.RcodeNotAuth, testErr),
|
|
expectedCode: dns.RcodeNotAuth,
|
|
expectedLog: fmt.Sprintf("[ERROR %d %s] %v\n", dns.RcodeNotAuth, "example.org. A", testErr),
|
|
expectedErr: testErr,
|
|
},
|
|
}
|
|
|
|
ctx := context.TODO()
|
|
req := new(dns.Msg)
|
|
req.SetQuestion("example.org.", dns.TypeA)
|
|
|
|
for i, tc := range tests {
|
|
em.Next = tc.next
|
|
buf.Reset()
|
|
rec := dnstest.NewRecorder(&test.ResponseWriter{})
|
|
code, err := em.ServeDNS(ctx, rec, req)
|
|
|
|
if err != tc.expectedErr {
|
|
t.Errorf("Test %d: Expected error %v, but got %v",
|
|
i, tc.expectedErr, err)
|
|
}
|
|
if code != tc.expectedCode {
|
|
t.Errorf("Test %d: Expected status code %d, but got %d",
|
|
i, tc.expectedCode, code)
|
|
}
|
|
if log := buf.String(); !strings.Contains(log, tc.expectedLog) {
|
|
t.Errorf("Test %d: Expected log %q, but got %q",
|
|
i, tc.expectedLog, log)
|
|
}
|
|
}
|
|
}
|
|
|
|
func genErrorHandler(rcode int, err error) plugin.Handler {
|
|
return plugin.HandlerFunc(func(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error) {
|
|
return rcode, err
|
|
})
|
|
}
|