mc root source folder cleanup

2026-06-27 13:54:54 +02:00
parent b2784574bd
commit 666f250b3e
480 changed files with 325 additions and 325 deletions
@@ -0,0 +1,116 @@
+package proto_test
+
+import (
+	"bytes"
+	"math"
+	"testing"
+
+	"github.com/admin-else/strom/mc/data"
+	"github.com/admin-else/strom/mc/proto"
+	"github.com/admin-else/strom/mc/proto_base"
+	"github.com/google/go-cmp/cmp"
+	"github.com/google/go-cmp/cmp/cmpopts"
+)
+
+var nanIgnorer32 = cmp.Comparer(func(x, y float32) bool {
+	return (math.IsNaN(float64(x)) && math.IsNaN(float64(y))) || x == y
+})
+
+var nanIgnorer64 = cmp.Comparer(func(x, y float64) bool {
+	return (math.IsNaN(x) && math.IsNaN(y)) || x == y
+})
+
+func NewStateFuzzer(state proto_base.State, actor proto_base.Actor) func(t *testing.T, inbytes []byte) {
+	return func(t *testing.T, inbytes []byte) {
+		b1 := bytes.NewBuffer(inbytes)
+		b2 := bytes.NewBuffer(nil)
+		conn := proto.NewConn()
+		conn.SetState(state)
+		conn.Actor = actor
+		conn.R = b1
+		conn.W = b2
+		_ = conn.SetVersion("1.21.8") // cant fail
+		p, err := conn.Receive()
+		if err != nil {
+			t.Skip(err)
+			return
+		}
+		if b1.Len() != 0 {
+			t.Skip("not all bytes read")
+			return
+		}
+		err = conn.Send(p)
+		if err != nil {
+			t.Fatal(err)
+			return
+		}
+		b1.Reset()
+		conn.R = b2
+		conn.W = b1
+		p2, err := conn.Receive()
+		if err != nil {
+			t.Fatal(err)
+			return
+		}
+		if !cmp.Equal(p, p2, nanIgnorer32, nanIgnorer64, cmpopts.IgnoreFields(proto.UnCodablePacket{}, "Err")) {
+			t.Error("decoded and encoded decoded data are not equal",
+				cmp.Diff(p, p2, nanIgnorer32, nanIgnorer64, cmpopts.IgnoreFields(proto.UnCodablePacket{}, "Err")),
+			)
+		}
+	}
+}
+
+func FuzzConnHandshakingToServer(f *testing.F) {
+	f.Fuzz(NewStateFuzzer(proto_base.Handshaking, proto_base.Servee))
+}
+
+func FuzzConnHandshakingToClient(f *testing.F) {
+	f.Fuzz(NewStateFuzzer(proto_base.Handshaking, proto_base.Client))
+}
+
+func FuzzConnStatusToServer(f *testing.F) {
+	f.Fuzz(NewStateFuzzer(proto_base.Status, proto_base.Servee))
+}
+
+func FuzzConnStatusToClient(f *testing.F) {
+	f.Fuzz(NewStateFuzzer(proto_base.Status, proto_base.Client))
+}
+
+func FuzzConnLoginToServer(f *testing.F) {
+	f.Fuzz(NewStateFuzzer(proto_base.Login, proto_base.Servee))
+}
+
+func FuzzConnLoginToClient(f *testing.F) {
+	f.Fuzz(NewStateFuzzer(proto_base.Login, proto_base.Client))
+}
+
+func FuzzConnConfigToServer(f *testing.F) {
+	f.Fuzz(NewStateFuzzer(proto_base.Configuration, proto_base.Servee))
+}
+
+func FuzzConnConfigToClient(f *testing.F) {
+	f.Fuzz(NewStateFuzzer(proto_base.Configuration, proto_base.Client))
+}
+
+func FuzzConnPlayToServer(f *testing.F) {
+	f.Fuzz(NewStateFuzzer(proto_base.Play, proto_base.Servee))
+}
+
+func FuzzConnPlayToClient(f *testing.F) {
+	f.Fuzz(NewStateFuzzer(proto_base.Play, proto_base.Client))
+}
+
+func TestEntityMetadata(t *testing.T) {
+	packetData := []byte{97, 198, 9, 9, 3, 65, 160, 0, 0, 16, 0, 127, 255}
+	packet, err := proto.SimpleBytesToPacket(packetData, data.MustLookupProtocolVersion("1.21.11"), proto_base.ToClient, proto_base.Play)
+	if err != nil {
+		t.Fatal(err)
+	}
+	packetData2, err := proto.SimplePacketToBytes(packet)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !cmp.Equal(packetData, packetData2) {
+		t.Error("packet data is not equal", cmp.Diff(packetData, packetData2))
+	}
+}