// TestFilterAddCrossProtocol tests the MsgFilterAdd API when encoding with the // latest protocol version and decoding with BIP0031Version. func TestFilterAddCrossProtocol(t *testing.T) { data := []byte{0x01, 0x02} msg := btcwire.NewMsgFilterAdd(data) if !bytes.Equal(msg.Data, data) { t.Errorf("should get same data back out") } // Encode with latest protocol version. var buf bytes.Buffer err := msg.BtcEncode(&buf, btcwire.ProtocolVersion) if err != nil { t.Errorf("encode of MsgFilterAdd failed %v err <%v>", msg, err) } // Decode with old protocol version. var readmsg btcwire.MsgFilterAdd err = readmsg.BtcDecode(&buf, btcwire.BIP0031Version) if err == nil { t.Errorf("decode of MsgFilterAdd succeeded when it shouldn't "+ "have %v", msg) } // Since one of the protocol versions doesn't support the filteradd // message, make sure the data didn't get encoded and decoded back out. if bytes.Equal(msg.Data, readmsg.Data) { t.Error("should not get same data for cross protocol") } }
// TestFilterAddLatest tests the MsgFilterAdd API against the latest protocol // version. func TestFilterAddLatest(t *testing.T) { pver := btcwire.ProtocolVersion data := []byte{0x01, 0x02} msg := btcwire.NewMsgFilterAdd(data) // Ensure the command is expected value. wantCmd := "filteradd" if cmd := msg.Command(); cmd != wantCmd { t.Errorf("NewMsgFilterAdd: wrong command - got %v want %v", cmd, wantCmd) } // Ensure max payload is expected value for latest protocol version. wantPayload := uint32(523) maxPayload := msg.MaxPayloadLength(pver) if maxPayload != wantPayload { t.Errorf("MaxPayloadLength: wrong max payload length for "+ "protocol version %d - got %v, want %v", pver, maxPayload, wantPayload) } // Test encode with latest protocol version. var buf bytes.Buffer err := msg.BtcEncode(&buf, pver) if err != nil { t.Errorf("encode of MsgFilterAdd failed %v err <%v>", msg, err) } // Test decode with latest protocol version. var readmsg btcwire.MsgFilterAdd err = readmsg.BtcDecode(&buf, pver) if err != nil { t.Errorf("decode of MsgFilterAdd failed [%v] err <%v>", buf, err) } return }
// TestFilterAddWireErrors performs negative tests against wire encode and decode // of MsgFilterAdd to confirm error paths work correctly. func TestFilterAddWireErrors(t *testing.T) { pver := btcwire.ProtocolVersion pverNoFilterAdd := btcwire.BIP0037Version - 1 btcwireErr := &btcwire.MessageError{} baseData := []byte{0x01, 0x02, 0x03, 0x04} baseFilterAdd := btcwire.NewMsgFilterAdd(baseData) baseFilterAddEncoded := append([]byte{0x04}, baseData...) tests := []struct { in *btcwire.MsgFilterAdd // Value to encode buf []byte // Wire encoding pver uint32 // Protocol version for wire encoding max int // Max size of fixed buffer to induce errors writeErr error // Expected write error readErr error // Expected read error }{ // Latest protocol version with intentional read/write errors. // Force error in data size. { baseFilterAdd, baseFilterAddEncoded, pver, 0, io.ErrShortWrite, io.EOF, }, // Force error in data. { baseFilterAdd, baseFilterAddEncoded, pver, 1, io.ErrShortWrite, io.EOF, }, // Force error due to unsupported protocol version. { baseFilterAdd, baseFilterAddEncoded, pverNoFilterAdd, 5, btcwireErr, btcwireErr, }, } t.Logf("Running %d tests", len(tests)) for i, test := range tests { // Encode to wire format. w := newFixedWriter(test.max) err := test.in.BtcEncode(w, test.pver) if reflect.TypeOf(err) != reflect.TypeOf(test.writeErr) { t.Errorf("BtcEncode #%d wrong error got: %v, want: %v", i, err, test.writeErr) continue } // For errors which are not of type btcwire.MessageError, check // them for equality. if _, ok := err.(*btcwire.MessageError); !ok { if err != test.writeErr { t.Errorf("BtcEncode #%d wrong error got: %v, "+ "want: %v", i, err, test.writeErr) continue } } // Decode from wire format. var msg btcwire.MsgFilterAdd r := newFixedReader(test.max, test.buf) err = msg.BtcDecode(r, test.pver) if reflect.TypeOf(err) != reflect.TypeOf(test.readErr) { t.Errorf("BtcDecode #%d wrong error got: %v, want: %v", i, err, test.readErr) continue } // For errors which are not of type btcwire.MessageError, check // them for equality. if _, ok := err.(*btcwire.MessageError); !ok { if err != test.readErr { t.Errorf("BtcDecode #%d wrong error got: %v, "+ "want: %v", i, err, test.readErr) continue } } } }