diff options
Diffstat (limited to 'middleware/erratic/erratic_test.go')
-rw-r--r-- | middleware/erratic/erratic_test.go | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/middleware/erratic/erratic_test.go b/middleware/erratic/erratic_test.go new file mode 100644 index 000000000..eaf34c39b --- /dev/null +++ b/middleware/erratic/erratic_test.go @@ -0,0 +1,45 @@ +package erratic + +import ( + "testing" + + "github.com/miekg/coredns/middleware/pkg/dnsrecorder" + "github.com/miekg/coredns/middleware/test" + + "github.com/miekg/dns" + "golang.org/x/net/context" +) + +func TestErraticDrop(t *testing.T) { + e := &Erratic{amount: 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 packet, but got %q", i, rec.Msg.Question[0].Name) + } + } +} |