d8714e64e4
* Rename middleware to plugin first pass; mostly used 'sed', few spots where I manually changed text. This still builds a coredns binary. * fmt error * Rename AddMiddleware to AddPlugin * Readd AddMiddleware to remain backwards compat
79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
package erratic
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/coredns/coredns/plugin/pkg/dnsrecorder"
|
|
"github.com/coredns/coredns/plugin/test"
|
|
|
|
"github.com/miekg/dns"
|
|
"golang.org/x/net/context"
|
|
)
|
|
|
|
func TestErraticDrop(t *testing.T) {
|
|
e := &Erratic{drop: 2} // 50% drops
|
|
|
|
tests := []struct {
|
|
expectedCode int
|
|
expectedErr error
|
|
drop bool
|
|
}{
|
|
{expectedCode: dns.RcodeSuccess, expectedErr: nil, drop: true},
|
|
{expectedCode: dns.RcodeSuccess, expectedErr: nil, drop: false},
|
|
}
|
|
|
|
ctx := context.TODO()
|
|
|
|
for i, tc := range tests {
|
|
req := new(dns.Msg)
|
|
req.SetQuestion("example.org.", dns.TypeA)
|
|
|
|
rec := dnsrecorder.New(&test.ResponseWriter{})
|
|
code, err := e.ServeDNS(ctx, rec, req)
|
|
|
|
if err != tc.expectedErr {
|
|
t.Errorf("Test %d: Expected error %q, but got %q", i, tc.expectedErr, err)
|
|
}
|
|
if code != int(tc.expectedCode) {
|
|
t.Errorf("Test %d: Expected status code %d, but got %d", i, tc.expectedCode, code)
|
|
}
|
|
|
|
if tc.drop && rec.Msg != nil {
|
|
t.Errorf("Test %d: Expected dropped message, but got %q", i, rec.Msg.Question[0].Name)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestErraticTruncate(t *testing.T) {
|
|
e := &Erratic{truncate: 2} // 50% drops
|
|
|
|
tests := []struct {
|
|
expectedCode int
|
|
expectedErr error
|
|
truncate bool
|
|
}{
|
|
{expectedCode: dns.RcodeSuccess, expectedErr: nil, truncate: true},
|
|
{expectedCode: dns.RcodeSuccess, expectedErr: nil, truncate: false},
|
|
}
|
|
|
|
ctx := context.TODO()
|
|
|
|
for i, tc := range tests {
|
|
req := new(dns.Msg)
|
|
req.SetQuestion("example.org.", dns.TypeA)
|
|
|
|
rec := dnsrecorder.New(&test.ResponseWriter{})
|
|
code, err := e.ServeDNS(ctx, rec, req)
|
|
|
|
if err != tc.expectedErr {
|
|
t.Errorf("Test %d: Expected error %q, but got %q", i, tc.expectedErr, err)
|
|
}
|
|
if code != int(tc.expectedCode) {
|
|
t.Errorf("Test %d: Expected status code %d, but got %d", i, tc.expectedCode, code)
|
|
}
|
|
|
|
if tc.truncate && !rec.Msg.Truncated {
|
|
t.Errorf("Test %d: Expected truncated message, but got %q", i, rec.Msg.Question[0].Name)
|
|
}
|
|
}
|
|
}
|