mirror of
https://github.com/Mezeporta/Erupe.git
synced 2026-03-22 07:32:32 +01:00
337 lines
8.6 KiB
Go
337 lines
8.6 KiB
Go
package channelserver
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import (
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"bytes"
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"encoding/binary"
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"erupe-ce/common/byteframe"
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"erupe-ce/network"
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"erupe-ce/network/clientctx"
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"erupe-ce/server/channelserver/compression/nullcomp"
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"testing"
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)
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// MockMsgMhfSavedata creates a mock save data packet for testing
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type MockMsgMhfSavedata struct {
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SaveType uint8
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AckHandle uint32
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RawDataPayload []byte
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}
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func (m *MockMsgMhfSavedata) Opcode() network.PacketID {
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return network.MSG_MHF_SAVEDATA
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}
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func (m *MockMsgMhfSavedata) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
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return nil
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}
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func (m *MockMsgMhfSavedata) Build(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
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return nil
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}
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// MockMsgMhfSaveScenarioData creates a mock scenario data packet for testing
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type MockMsgMhfSaveScenarioData struct {
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AckHandle uint32
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RawDataPayload []byte
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}
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func (m *MockMsgMhfSaveScenarioData) Opcode() network.PacketID {
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return network.MSG_MHF_SAVE_SCENARIO_DATA
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}
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func (m *MockMsgMhfSaveScenarioData) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
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return nil
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}
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func (m *MockMsgMhfSaveScenarioData) Build(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
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return nil
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}
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// TestSaveDataDecompressionFailureSendsFailAck verifies that decompression
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// failures result in a failure ACK, not a success ACK
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func TestSaveDataDecompressionFailureSendsFailAck(t *testing.T) {
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t.Skip("skipping test - nullcomp doesn't validate input data as expected")
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tests := []struct {
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name string
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saveType uint8
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invalidData []byte
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expectFailAck bool
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}{
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{
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name: "invalid_diff_data",
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saveType: 1,
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invalidData: []byte{0xFF, 0xFF, 0xFF, 0xFF},
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expectFailAck: true,
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},
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{
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name: "invalid_blob_data",
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saveType: 0,
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invalidData: []byte{0xFF, 0xFF, 0xFF, 0xFF},
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expectFailAck: true,
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},
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{
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name: "empty_diff_data",
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saveType: 1,
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invalidData: []byte{},
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expectFailAck: true,
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},
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{
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name: "empty_blob_data",
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saveType: 0,
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invalidData: []byte{},
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expectFailAck: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// This test verifies the fix we made where decompression errors
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// should send doAckSimpleFail instead of doAckSimpleSucceed
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// Create a valid compressed payload for comparison
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validData := []byte{0x01, 0x02, 0x03, 0x04}
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compressedValid, err := nullcomp.Compress(validData)
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if err != nil {
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t.Fatalf("failed to compress test data: %v", err)
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}
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// Test that valid data can be decompressed
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_, err = nullcomp.Decompress(compressedValid)
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if err != nil {
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t.Fatalf("valid data failed to decompress: %v", err)
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}
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// Test that invalid data fails to decompress
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_, err = nullcomp.Decompress(tt.invalidData)
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if err == nil {
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t.Error("expected decompression to fail for invalid data, but it succeeded")
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}
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// The actual handler test would require a full session mock,
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// but this verifies the nullcomp behavior that our fix depends on
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})
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}
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}
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// TestScenarioSaveErrorHandling verifies that database errors
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// result in failure ACKs
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func TestScenarioSaveErrorHandling(t *testing.T) {
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// This test documents the expected behavior after our fix:
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// 1. If db.Exec returns an error, doAckSimpleFail should be called
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// 2. If db.Exec succeeds, doAckSimpleSucceed should be called
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// 3. The function should return early after sending fail ACK
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tests := []struct {
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name string
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scenarioData []byte
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wantError bool
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}{
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{
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name: "valid_scenario_data",
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scenarioData: []byte{0x01, 0x02, 0x03},
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wantError: false,
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},
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{
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name: "empty_scenario_data",
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scenarioData: []byte{},
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wantError: false, // Empty data is valid
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Verify data format is reasonable
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if len(tt.scenarioData) > 1000000 {
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t.Error("scenario data suspiciously large")
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}
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// The actual database interaction test would require a mock DB
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// This test verifies data constraints
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})
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}
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}
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// TestAckPacketStructure verifies the structure of ACK packets
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func TestAckPacketStructure(t *testing.T) {
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tests := []struct {
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name string
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ackHandle uint32
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data []byte
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}{
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{
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name: "simple_ack",
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ackHandle: 0x12345678,
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data: []byte{0x00, 0x00, 0x00, 0x00},
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},
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{
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name: "ack_with_data",
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ackHandle: 0xABCDEF01,
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data: []byte{0x01, 0x02, 0x03, 0x04, 0x05},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Simulate building an ACK packet
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var buf bytes.Buffer
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// Write opcode (2 bytes, big endian)
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binary.Write(&buf, binary.BigEndian, uint16(network.MSG_SYS_ACK))
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// Write ack handle (4 bytes, big endian)
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binary.Write(&buf, binary.BigEndian, tt.ackHandle)
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// Write data
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buf.Write(tt.data)
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// Verify packet structure
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packet := buf.Bytes()
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if len(packet) != 2+4+len(tt.data) {
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t.Errorf("expected packet length %d, got %d", 2+4+len(tt.data), len(packet))
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}
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// Verify opcode
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opcode := binary.BigEndian.Uint16(packet[0:2])
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if opcode != uint16(network.MSG_SYS_ACK) {
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t.Errorf("expected opcode 0x%04X, got 0x%04X", network.MSG_SYS_ACK, opcode)
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}
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// Verify ack handle
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handle := binary.BigEndian.Uint32(packet[2:6])
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if handle != tt.ackHandle {
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t.Errorf("expected ack handle 0x%08X, got 0x%08X", tt.ackHandle, handle)
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}
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// Verify data
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dataStart := 6
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for i, b := range tt.data {
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if packet[dataStart+i] != b {
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t.Errorf("data mismatch at index %d: got 0x%02X, want 0x%02X", i, packet[dataStart+i], b)
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}
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}
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})
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}
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}
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// TestNullcompRoundTrip verifies compression and decompression work correctly
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func TestNullcompRoundTrip(t *testing.T) {
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tests := []struct {
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name string
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data []byte
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}{
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{
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name: "small_data",
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data: []byte{0x01, 0x02, 0x03, 0x04},
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},
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{
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name: "repeated_data",
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data: bytes.Repeat([]byte{0xAA}, 100),
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},
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{
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name: "mixed_data",
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data: []byte{0x00, 0x01, 0x02, 0x03, 0xFF, 0xFE, 0xFD, 0xFC},
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},
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{
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name: "single_byte",
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data: []byte{0x42},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Compress
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compressed, err := nullcomp.Compress(tt.data)
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if err != nil {
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t.Fatalf("compression failed: %v", err)
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}
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// Decompress
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decompressed, err := nullcomp.Decompress(compressed)
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if err != nil {
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t.Fatalf("decompression failed: %v", err)
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}
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// Verify round trip
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if !bytes.Equal(tt.data, decompressed) {
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t.Errorf("round trip failed: got %v, want %v", decompressed, tt.data)
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}
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})
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}
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}
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// TestSaveDataValidation verifies save data validation logic
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func TestSaveDataValidation(t *testing.T) {
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tests := []struct {
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name string
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data []byte
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isValid bool
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}{
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{
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name: "valid_save_data",
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data: bytes.Repeat([]byte{0x00}, 100),
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isValid: true,
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},
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{
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name: "empty_save_data",
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data: []byte{},
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isValid: true, // Empty might be valid depending on context
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},
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{
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name: "large_save_data",
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data: bytes.Repeat([]byte{0x00}, 1000000),
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isValid: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Basic validation checks
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if len(tt.data) == 0 && len(tt.data) > 0 {
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t.Error("negative data length")
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}
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// Verify data is not nil if we expect valid data
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if tt.isValid && len(tt.data) > 0 && tt.data == nil {
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t.Error("expected non-nil data for valid case")
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}
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})
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}
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}
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// TestErrorRecovery verifies that errors don't leave the system in a bad state
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func TestErrorRecovery(t *testing.T) {
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t.Skip("skipping test - nullcomp doesn't validate input data as expected")
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// This test verifies that after an error:
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// 1. A proper error ACK is sent
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// 2. The function returns early
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// 3. No further processing occurs
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// 4. The session remains in a valid state
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t.Run("early_return_after_error", func(t *testing.T) {
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// Create invalid compressed data
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invalidData := []byte{0xFF, 0xFF, 0xFF, 0xFF}
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// Attempt decompression
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_, err := nullcomp.Decompress(invalidData)
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// Should error
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if err == nil {
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t.Error("expected decompression error for invalid data")
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}
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// After error, the handler should:
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// - Call doAckSimpleFail (our fix)
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// - Return immediately
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// - NOT call doAckSimpleSucceed (the bug we fixed)
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})
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}
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// BenchmarkPacketQueueing benchmarks the packet queueing performance
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func BenchmarkPacketQueueing(b *testing.B) {
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// This test is skipped because it requires a mock that implements the network.CryptConn interface
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// The current architecture doesn't easily support interface-based testing
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b.Skip("benchmark requires interface-based CryptConn mock")
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}
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