diff --git a/internal/testutil/dummy.go b/internal/testutil/dummy.go
new file mode 100644
index 0000000..ce321bb
--- /dev/null
+++ b/internal/testutil/dummy.go
@@ -0,0 +1,50 @@
+package testutil
+
+import (
+	"context"
+	"fmt"
+	"net"
+
+	"github.com/CPunch/gopenfusion/cnet"
+	"github.com/CPunch/gopenfusion/cnet/protocol"
+	"github.com/matryer/is"
+)
+
+type DummyPeer struct {
+	Recv chan *cnet.PacketEvent
+	Peer *cnet.Peer
+	is   *is.I
+}
+
+// MakeDummyPeer creates a new dummy peer and returns it
+func MakeDummyPeer(ctx context.Context, is *is.I, port int) *DummyPeer {
+	conn, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", port))
+	is.NoErr(err)
+
+	recv := make(chan *cnet.PacketEvent)
+	peer := cnet.NewPeer(ctx, conn)
+	go func() {
+		peer.Handler(recv)
+	}()
+
+	return &DummyPeer{Recv: recv, Peer: peer, is: is}
+}
+
+// SendAndRecv sends a packet (sID & out), waits for the expected response (rID) and decodes it into in
+func (dp *DummyPeer) SendAndRecv(sID, rID uint32, out, in interface{}) {
+	// send out packet
+	err := dp.Peer.Send(sID, out)
+	dp.is.NoErr(err) // peer.Send() should not return an error
+
+	// receive response
+	evnt := <-dp.Recv
+	defer protocol.PutBuffer(evnt.Pkt)
+
+	dp.is.Equal(evnt.PktID, rID)                         // should receive expected type
+	dp.is.NoErr(protocol.NewPacket(evnt.Pkt).Decode(in)) // packet.Decode() should not return an error
+}
+
+// Kill closes the peer's connection
+func (dp *DummyPeer) Kill() {
+	dp.Peer.Kill()
+}
diff --git a/internal/testutil/env.go b/internal/testutil/env.go
new file mode 100644
index 0000000..5bd7806
--- /dev/null
+++ b/internal/testutil/env.go
@@ -0,0 +1,52 @@
+package testutil
+
+import (
+	"context"
+
+	"github.com/CPunch/gopenfusion/internal/db"
+	"github.com/CPunch/gopenfusion/internal/redis"
+	"github.com/alicebob/miniredis/v2"
+	"github.com/bitcomplete/sqltestutil"
+)
+
+// SetupEnvironment spawns a postgres container and returns a db and redis handler
+// along with a cleanup function
+func SetupEnvironment(ctx context.Context) (*db.DBHandler, *redis.RedisHandler, func()) {
+	// spawn postgres container
+	psql, err := sqltestutil.StartPostgresContainer(ctx, "15")
+	if err != nil {
+		panic(err)
+	}
+
+	// open db handler
+	testDB, err := db.OpenFromConnectionString("postgres", psql.ConnectionString()+"?sslmode=disable")
+	if err != nil {
+		psql.Shutdown(ctx)
+		panic(err)
+	}
+
+	if err = testDB.Setup(); err != nil {
+		psql.Shutdown(ctx)
+		panic(err)
+	}
+
+	// start miniredis
+	r, err := miniredis.Run()
+	if err != nil {
+		psql.Shutdown(ctx)
+		panic(err)
+	}
+
+	// open redis handler
+	rh, err := redis.OpenRedis(r.Addr())
+	if err != nil {
+		psql.Shutdown(ctx)
+		panic(err)
+	}
+
+	return testDB, rh, func() {
+		psql.Shutdown(ctx)
+		rh.Close()
+		r.Close()
+	}
+}
diff --git a/internal/testutil/helpers.go b/internal/testutil/helpers.go
index e01a9d8..7ebcc6c 100644
--- a/internal/testutil/helpers.go
+++ b/internal/testutil/helpers.go
@@ -1,102 +1,10 @@
 package testutil
 
 import (
-	"context"
-	"fmt"
-	"net"
 	"sync"
 	"time"
-
-	"github.com/CPunch/gopenfusion/cnet"
-	"github.com/CPunch/gopenfusion/cnet/protocol"
-	"github.com/CPunch/gopenfusion/internal/db"
-	"github.com/CPunch/gopenfusion/internal/redis"
-	"github.com/alicebob/miniredis/v2"
-	"github.com/bitcomplete/sqltestutil"
-	"github.com/matryer/is"
 )
 
-type DummyPeer struct {
-	Recv chan *cnet.PacketEvent
-	Peer *cnet.Peer
-	is   *is.I
-}
-
-// MakeDummyPeer creates a new dummy peer and returns it
-func MakeDummyPeer(ctx context.Context, is *is.I, port int) *DummyPeer {
-	conn, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", port))
-	is.NoErr(err)
-
-	recv := make(chan *cnet.PacketEvent)
-	peer := cnet.NewPeer(ctx, conn)
-	go func() {
-		peer.Handler(recv)
-	}()
-
-	return &DummyPeer{Recv: recv, Peer: peer, is: is}
-}
-
-// SendAndRecv sends a packet (sID & out), waits for the expected response (rID) and decodes it into in
-func (dp *DummyPeer) SendAndRecv(sID, rID uint32, out, in interface{}) {
-	// send out packet
-	err := dp.Peer.Send(sID, out)
-	dp.is.NoErr(err) // peer.Send() should not return an error
-
-	// receive response
-	evnt := <-dp.Recv
-	defer protocol.PutBuffer(evnt.Pkt)
-
-	dp.is.Equal(evnt.PktID, rID)                         // should receive expected type
-	dp.is.NoErr(protocol.NewPacket(evnt.Pkt).Decode(in)) // packet.Decode() should not return an error
-}
-
-// Kill closes the peer's connection
-func (dp *DummyPeer) Kill() {
-	dp.Peer.Kill()
-}
-
-// SetupEnvironment spawns a postgres container and returns a db and redis handler
-// along with a cleanup function
-func SetupEnvironment(ctx context.Context) (*db.DBHandler, *redis.RedisHandler, func()) {
-	// spawn postgres container
-	psql, err := sqltestutil.StartPostgresContainer(ctx, "15")
-	if err != nil {
-		panic(err)
-	}
-
-	// open db handler
-	testDB, err := db.OpenFromConnectionString("postgres", psql.ConnectionString()+"?sslmode=disable")
-	if err != nil {
-		psql.Shutdown(ctx)
-		panic(err)
-	}
-
-	if err = testDB.Setup(); err != nil {
-		psql.Shutdown(ctx)
-		panic(err)
-	}
-
-	// start miniredis
-	r, err := miniredis.Run()
-	if err != nil {
-		psql.Shutdown(ctx)
-		panic(err)
-	}
-
-	// open redis handler
-	rh, err := redis.OpenRedis(r.Addr())
-	if err != nil {
-		psql.Shutdown(ctx)
-		panic(err)
-	}
-
-	return testDB, rh, func() {
-		psql.Shutdown(ctx)
-		rh.Close()
-		r.Close()
-	}
-}
-
 func SelectWithTimeout(ch <-chan struct{}, timeout time.Duration) bool {
 	select {
 	case <-ch: