Add SpawnWorker tests to the pipes and sockets

4 files changed, 1000 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index 1c22f32d..706c4e09 100755
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ uninstall: ## Uninstall locally installed RR
 test_coverage:
 	go clean -testcache
 	docker-compose -f tests/docker-compose.yaml up -d
-	rm -rm coverage
+	rm -rf coverage
 	mkdir coverage
 	go test -v -race -cover -tags=debug -coverpkg=./... -coverprofile=./coverage/utils.out -covermode=atomic ./utils
 	go test -v -race -cover -tags=debug -coverpkg=./... -coverprofile=./coverage/pipe.out -covermode=atomic ./pkg/pipe
diff --git a/codecov.yml b/codecov.yml
index 55a8b6c0..45fccc1d 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -17,4 +17,5 @@ ignore:
   - "plugins/kv/boltdb/plugin_unit_test.go"
   - "plugins/kv/memcached/plugin_unit_test.go"
   - "plugins/kv/memory/plugin_unit_test.go"
-  - "interfaces"
\ No newline at end of file
+  - "interfaces"
+  - "systemd"
\ No newline at end of file
diff --git a/pkg/pipe/pipe_factory_spawn_test.go b/pkg/pipe/pipe_factory_spawn_test.go
new file mode 100644
index 00000000..6decedf8
--- /dev/null
+++ b/pkg/pipe/pipe_factory_spawn_test.go
@@ -0,0 +1,490 @@
+package pipe
+
+import (
+	"os/exec"
+	"strings"
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/spiral/errors"
+	"github.com/spiral/roadrunner/v2/interfaces/events"
+	"github.com/spiral/roadrunner/v2/internal"
+	"github.com/spiral/roadrunner/v2/pkg/payload"
+	workerImpl "github.com/spiral/roadrunner/v2/pkg/worker"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_GetState2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+	go func() {
+		assert.NoError(t, w.Wait())
+		assert.Equal(t, internal.StateStopped, w.State().Value())
+	}()
+
+	assert.NoError(t, err)
+	assert.NotNil(t, w)
+
+	assert.Equal(t, internal.StateReady, w.State().Value())
+	err = w.Stop()
+	if err != nil {
+		t.Errorf("error stopping the Process: error %v", err)
+	}
+}
+
+func Test_Kill2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+	wg := &sync.WaitGroup{}
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		assert.Error(t, w.Wait())
+		assert.Equal(t, internal.StateErrored, w.State().Value())
+	}()
+
+	assert.NoError(t, err)
+	assert.NotNil(t, w)
+
+	assert.Equal(t, internal.StateReady, w.State().Value())
+	err = w.Kill()
+	if err != nil {
+		t.Errorf("error killing the Process: error %v", err)
+	}
+	wg.Wait()
+}
+
+func Test_Pipe_Start2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+	assert.NoError(t, err)
+	assert.NotNil(t, w)
+
+	go func() {
+		assert.NoError(t, w.Wait())
+	}()
+
+	assert.NoError(t, w.Stop())
+}
+
+func Test_Pipe_StartError2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+	err := cmd.Start()
+	if err != nil {
+		t.Errorf("error running the command: error %v", err)
+	}
+
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+	assert.Error(t, err)
+	assert.Nil(t, w)
+}
+
+func Test_Pipe_PipeError3(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+	_, err := cmd.StdinPipe()
+	if err != nil {
+		t.Errorf("error creating the STDIN pipe: error %v", err)
+	}
+
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+	assert.Error(t, err)
+	assert.Nil(t, w)
+}
+
+func Test_Pipe_PipeError4(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+	_, err := cmd.StdinPipe()
+	if err != nil {
+		t.Errorf("error creating the STDIN pipe: error %v", err)
+	}
+
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+	assert.Error(t, err)
+	assert.Nil(t, w)
+}
+
+func Test_Pipe_Failboot2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/failboot.php")
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+
+	assert.Nil(t, w)
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "failboot")
+}
+
+func Test_Pipe_Invalid2t(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/invalid.php")
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+	assert.Error(t, err)
+	assert.Nil(t, w)
+}
+
+func Test_Pipe_Echo2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		err = w.Stop()
+		if err != nil {
+			t.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	sw, err := workerImpl.From(w)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := sw.Exec(payload.Payload{Body: []byte("hello")})
+
+	assert.NoError(t, err)
+	assert.NotNil(t, res)
+	assert.NotNil(t, res.Body)
+	assert.Empty(t, res.Context)
+
+	assert.Equal(t, "hello", res.String())
+}
+
+func Test_Pipe_Broken2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "broken", "pipes")
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		time.Sleep(time.Second)
+		err = w.Stop()
+		assert.Error(t, err)
+	}()
+
+	sw, err := workerImpl.From(w)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := sw.Exec(payload.Payload{Body: []byte("hello")})
+
+	assert.Error(t, err)
+	assert.Nil(t, res.Body)
+	assert.Nil(t, res.Context)
+}
+
+func Benchmark_Pipe_SpawnWorker_Stop2(b *testing.B) {
+	f := NewPipeFactory()
+	for n := 0; n < b.N; n++ {
+		cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+		w, _ := f.SpawnWorker(cmd)
+		go func() {
+			if w.Wait() != nil {
+				b.Fail()
+			}
+		}()
+
+		err := w.Stop()
+		if err != nil {
+			b.Errorf("error stopping the worker: error %v", err)
+		}
+	}
+}
+
+func Benchmark_Pipe_Worker_ExecEcho2(b *testing.B) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+
+	w, _ := NewPipeFactory().SpawnWorker(cmd)
+	sw, err := workerImpl.From(w)
+	if err != nil {
+		b.Fatal(err)
+	}
+	b.ReportAllocs()
+	b.ResetTimer()
+	go func() {
+		err := w.Wait()
+		if err != nil {
+			b.Errorf("error waiting the worker: error %v", err)
+		}
+	}()
+	defer func() {
+		err := w.Stop()
+		if err != nil {
+			b.Errorf("error stopping the worker: error %v", err)
+		}
+	}()
+
+	for n := 0; n < b.N; n++ {
+		if _, err := sw.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
+			b.Fail()
+		}
+	}
+}
+
+func Benchmark_Pipe_Worker_ExecEcho4(b *testing.B) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	defer func() {
+		err = w.Stop()
+		if err != nil {
+			b.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	sw, err := workerImpl.From(w)
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	for n := 0; n < b.N; n++ {
+		if _, err := sw.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
+			b.Fail()
+		}
+	}
+}
+
+func Benchmark_Pipe_Worker_ExecEchoWithoutContext2(b *testing.B) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	defer func() {
+		err = w.Stop()
+		if err != nil {
+			b.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	sw, err := workerImpl.From(w)
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	for n := 0; n < b.N; n++ {
+		if _, err := sw.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
+			b.Fail()
+		}
+	}
+}
+
+func Test_Echo2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+
+	w, err := NewPipeFactory().SpawnWorker(cmd)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	syncWorker, err := workerImpl.From(w)
+	if err != nil {
+		t.Fatal(err)
+	}
+	go func() {
+		assert.NoError(t, syncWorker.Wait())
+	}()
+	defer func() {
+		err := syncWorker.Stop()
+		if err != nil {
+			t.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	res, err := syncWorker.Exec(payload.Payload{Body: []byte("hello")})
+
+	assert.Nil(t, err)
+	assert.NotNil(t, res)
+	assert.NotNil(t, res.Body)
+	assert.Empty(t, res.Context)
+
+	assert.Equal(t, "hello", res.String())
+}
+
+func Test_BadPayload2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+
+	w, _ := NewPipeFactory().SpawnWorker(cmd)
+
+	syncWorker, err := workerImpl.From(w)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	go func() {
+		assert.NoError(t, syncWorker.Wait())
+	}()
+	defer func() {
+		err := syncWorker.Stop()
+		if err != nil {
+			t.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	res, err := syncWorker.Exec(payload.Payload{})
+
+	assert.Error(t, err)
+	assert.Nil(t, res.Body)
+	assert.Nil(t, res.Context)
+
+	assert.Contains(t, err.Error(), "payload can not be empty")
+}
+
+func Test_String2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+
+	w, _ := NewPipeFactory().SpawnWorker(cmd)
+	go func() {
+		assert.NoError(t, w.Wait())
+	}()
+	defer func() {
+		err := w.Stop()
+		if err != nil {
+			t.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	assert.Contains(t, w.String(), "php ../../tests/client.php echo pipes")
+	assert.Contains(t, w.String(), "ready")
+	assert.Contains(t, w.String(), "numExecs: 0")
+}
+
+func Test_Echo_Slow2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/slow-client.php", "echo", "pipes", "10", "10")
+
+	w, _ := NewPipeFactory().SpawnWorker(cmd)
+	go func() {
+		assert.NoError(t, w.Wait())
+	}()
+	defer func() {
+		err := w.Stop()
+		if err != nil {
+			t.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	syncWorker, err := workerImpl.From(w)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := syncWorker.Exec(payload.Payload{Body: []byte("hello")})
+
+	assert.Nil(t, err)
+	assert.NotNil(t, res)
+	assert.NotNil(t, res.Body)
+	assert.Empty(t, res.Context)
+
+	assert.Equal(t, "hello", res.String())
+}
+
+func Test_Broken2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "broken", "pipes")
+	data := ""
+	mu := &sync.Mutex{}
+	listener := func(event interface{}) {
+		if wev, ok := event.(events.WorkerEvent); ok {
+			mu.Lock()
+			data = string(wev.Payload.([]byte))
+			mu.Unlock()
+		}
+	}
+
+	w, err := NewPipeFactory().SpawnWorker(cmd, listener)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	syncWorker, err := workerImpl.From(w)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := syncWorker.Exec(payload.Payload{Body: []byte("hello")})
+	assert.NotNil(t, err)
+	assert.Nil(t, res.Body)
+	assert.Nil(t, res.Context)
+
+	time.Sleep(time.Second * 3)
+	mu.Lock()
+	if strings.ContainsAny(data, "undefined_function()") == false {
+		t.Fail()
+	}
+	mu.Unlock()
+	assert.Error(t, w.Stop())
+}
+
+func Test_Error2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "error", "pipes")
+
+	w, _ := NewPipeFactory().SpawnWorker(cmd)
+	go func() {
+		assert.NoError(t, w.Wait())
+	}()
+
+	defer func() {
+		err := w.Stop()
+		if err != nil {
+			t.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	syncWorker, err := workerImpl.From(w)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := syncWorker.Exec(payload.Payload{Body: []byte("hello")})
+	assert.NotNil(t, err)
+	assert.Nil(t, res.Body)
+	assert.Nil(t, res.Context)
+
+	if errors.Is(errors.SoftJob, err) == false {
+		t.Fatal("error should be of type errors.ErrSoftJob")
+	}
+	assert.Contains(t, err.Error(), "hello")
+}
+
+func Test_NumExecs2(t *testing.T) {
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+
+	w, _ := NewPipeFactory().SpawnWorker(cmd)
+	go func() {
+		assert.NoError(t, w.Wait())
+	}()
+	defer func() {
+		err := w.Stop()
+		if err != nil {
+			t.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	syncWorker, err := workerImpl.From(w)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = syncWorker.Exec(payload.Payload{Body: []byte("hello")})
+	if err != nil {
+		t.Errorf("fail to execute payload: error %v", err)
+	}
+	assert.Equal(t, int64(1), w.State().NumExecs())
+
+	_, err = syncWorker.Exec(payload.Payload{Body: []byte("hello")})
+	if err != nil {
+		t.Errorf("fail to execute payload: error %v", err)
+	}
+	assert.Equal(t, int64(2), w.State().NumExecs())
+
+	_, err = syncWorker.Exec(payload.Payload{Body: []byte("hello")})
+	if err != nil {
+		t.Errorf("fail to execute payload: error %v", err)
+	}
+	assert.Equal(t, int64(3), w.State().NumExecs())
+}
diff --git a/pkg/socket/socket_factory_spawn_test.go b/pkg/socket/socket_factory_spawn_test.go
new file mode 100644
index 00000000..2f21e408
--- /dev/null
+++ b/pkg/socket/socket_factory_spawn_test.go
@@ -0,0 +1,507 @@
+package socket
+
+import (
+	"net"
+	"os/exec"
+	"sync"
+	"syscall"
+	"testing"
+	"time"
+
+	"github.com/spiral/roadrunner/v2/pkg/payload"
+	"github.com/spiral/roadrunner/v2/pkg/worker"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_Tcp_Start2(t *testing.T) {
+	ls, err := net.Listen("tcp", "localhost:9007")
+	if assert.NoError(t, err) {
+		defer func() {
+			err := ls.Close()
+			if err != nil {
+				t.Errorf("error closing the listener: error %v", err)
+			}
+		}()
+	} else {
+		t.Skip("socket is busy")
+	}
+
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "tcp")
+
+	w, err := NewSocketServer(ls, time.Minute).SpawnWorker(cmd)
+	assert.NoError(t, err)
+	assert.NotNil(t, w)
+
+	go func() {
+		assert.NoError(t, w.Wait())
+	}()
+
+	err = w.Stop()
+	if err != nil {
+		t.Errorf("error stopping the Process: error %v", err)
+	}
+}
+
+func Test_Tcp_StartCloseFactory2(t *testing.T) {
+	ls, err := net.Listen("tcp", "localhost:9007")
+	if assert.NoError(t, err) {
+	} else {
+		t.Skip("socket is busy")
+	}
+
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "tcp")
+
+	f := NewSocketServer(ls, time.Minute)
+	defer func() {
+		err := ls.Close()
+		if err != nil {
+			t.Errorf("error closing the listener: error %v", err)
+		}
+	}()
+
+	w, err := f.SpawnWorker(cmd)
+	assert.NoError(t, err)
+	assert.NotNil(t, w)
+
+	err = w.Stop()
+	if err != nil {
+		t.Errorf("error stopping the Process: error %v", err)
+	}
+}
+
+func Test_Tcp_StartError2(t *testing.T) {
+	ls, err := net.Listen("tcp", "localhost:9007")
+	if assert.NoError(t, err) {
+		defer func() {
+			err := ls.Close()
+			if err != nil {
+				t.Errorf("error closing the listener: error %v", err)
+			}
+		}()
+	} else {
+		t.Skip("socket is busy")
+	}
+
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "pipes")
+	err = cmd.Start()
+	if err != nil {
+		t.Errorf("error executing the command: error %v", err)
+	}
+
+	w, err := NewSocketServer(ls, time.Minute).SpawnWorker(cmd)
+	assert.Error(t, err)
+	assert.Nil(t, w)
+}
+
+func Test_Tcp_Failboot2(t *testing.T) {
+	ls, err := net.Listen("tcp", "localhost:9007")
+	if assert.NoError(t, err) {
+		defer func() {
+			err3 := ls.Close()
+			if err3 != nil {
+				t.Errorf("error closing the listener: error %v", err3)
+			}
+		}()
+	} else {
+		t.Skip("socket is busy")
+	}
+
+	cmd := exec.Command("php", "../../tests/failboot.php")
+
+	w, err2 := NewSocketServer(ls, time.Second*5).SpawnWorker(cmd)
+	assert.Nil(t, w)
+	assert.Error(t, err2)
+	assert.Contains(t, err2.Error(), "failboot")
+}
+
+func Test_Tcp_Invalid2(t *testing.T) {
+	ls, err := net.Listen("tcp", "localhost:9007")
+	if assert.NoError(t, err) {
+		defer func() {
+			err := ls.Close()
+			if err != nil {
+				t.Errorf("error closing the listener: error %v", err)
+			}
+		}()
+	} else {
+		t.Skip("socket is busy")
+	}
+
+	cmd := exec.Command("php", "../../tests/invalid.php")
+
+	w, err := NewSocketServer(ls, time.Second*1).SpawnWorker(cmd)
+	assert.Error(t, err)
+	assert.Nil(t, w)
+}
+
+func Test_Tcp_Broken2(t *testing.T) {
+	ls, err := net.Listen("tcp", "localhost:9007")
+	if assert.NoError(t, err) {
+		defer func() {
+			err := ls.Close()
+			if err != nil {
+				t.Errorf("error closing the listener: error %v", err)
+			}
+		}()
+	} else {
+		t.Skip("socket is busy")
+	}
+
+	cmd := exec.Command("php", "../../tests/client.php", "broken", "tcp")
+
+	w, err := NewSocketServer(ls, time.Minute).SpawnWorker(cmd)
+	if err != nil {
+		t.Fatal(err)
+	}
+	wg := sync.WaitGroup{}
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		err := w.Wait()
+		assert.Error(t, err)
+		assert.Contains(t, err.Error(), "undefined_function()")
+	}()
+
+	defer func() {
+		time.Sleep(time.Second)
+		err2 := w.Stop()
+		// write tcp 127.0.0.1:9007->127.0.0.1:34204: use of closed network connection
+		assert.Error(t, err2)
+	}()
+
+	sw, err := worker.From(w)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := sw.Exec(payload.Payload{Body: []byte("hello")})
+	assert.Error(t, err)
+	assert.Nil(t, res.Body)
+	assert.Nil(t, res.Context)
+	wg.Wait()
+}
+
+func Test_Tcp_Echo2(t *testing.T) {
+	ls, err := net.Listen("tcp", "localhost:9007")
+	if assert.NoError(t, err) {
+		defer func() {
+			err := ls.Close()
+			if err != nil {
+				t.Errorf("error closing the listener: error %v", err)
+			}
+		}()
+	} else {
+		t.Skip("socket is busy")
+	}
+
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "tcp")
+
+	w, _ := NewSocketServer(ls, time.Minute).SpawnWorker(cmd)
+	go func() {
+		assert.NoError(t, w.Wait())
+	}()
+	defer func() {
+		err = w.Stop()
+		if err != nil {
+			t.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	sw, err := worker.From(w)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := sw.Exec(payload.Payload{Body: []byte("hello")})
+
+	assert.NoError(t, err)
+	assert.NotNil(t, res)
+	assert.NotNil(t, res.Body)
+	assert.Empty(t, res.Context)
+
+	assert.Equal(t, "hello", res.String())
+}
+
+func Test_Unix_Start2(t *testing.T) {
+	ls, err := net.Listen("unix", "sock.unix")
+	assert.NoError(t, err)
+	defer func() {
+		err := ls.Close()
+		assert.NoError(t, err)
+	}()
+
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "unix")
+
+	w, err := NewSocketServer(ls, time.Minute).SpawnWorker(cmd)
+	assert.NoError(t, err)
+	assert.NotNil(t, w)
+
+	go func() {
+		assert.NoError(t, w.Wait())
+	}()
+
+	err = w.Stop()
+	if err != nil {
+		t.Errorf("error stopping the Process: error %v", err)
+	}
+}
+
+func Test_Unix_Failboot2(t *testing.T) {
+	ls, err := net.Listen("unix", "sock.unix")
+	assert.NoError(t, err)
+	defer func() {
+		err := ls.Close()
+		assert.NoError(t, err)
+	}()
+
+	cmd := exec.Command("php", "../../tests/failboot.php")
+
+	w, err := NewSocketServer(ls, time.Second*5).SpawnWorker(cmd)
+	assert.Nil(t, w)
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "failboot")
+}
+
+func Test_Unix_Timeout2(t *testing.T) {
+	ls, err := net.Listen("unix", "sock.unix")
+	assert.NoError(t, err)
+	defer func() {
+		err := ls.Close()
+		assert.NoError(t, err)
+	}()
+
+	cmd := exec.Command("php", "../../tests/slow-client.php", "echo", "unix", "200", "0")
+
+	w, err := NewSocketServer(ls, time.Millisecond*100).SpawnWorker(cmd)
+	assert.Nil(t, w)
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "relay timeout")
+}
+
+func Test_Unix_Invalid2(t *testing.T) {
+	ls, err := net.Listen("unix", "sock.unix")
+	assert.NoError(t, err)
+	defer func() {
+		err := ls.Close()
+		assert.NoError(t, err)
+	}()
+
+	cmd := exec.Command("php", "../../tests/invalid.php")
+
+	w, err := NewSocketServer(ls, time.Second*10).SpawnWorker(cmd)
+	assert.Error(t, err)
+	assert.Nil(t, w)
+}
+
+func Test_Unix_Broken2(t *testing.T) {
+	ls, err := net.Listen("unix", "sock.unix")
+	assert.NoError(t, err)
+	defer func() {
+		err := ls.Close()
+		assert.NoError(t, err)
+	}()
+
+	cmd := exec.Command("php", "../../tests/client.php", "broken", "unix")
+
+	w, err := NewSocketServer(ls, time.Minute).SpawnWorker(cmd)
+	if err != nil {
+		t.Fatal(err)
+	}
+	wg := &sync.WaitGroup{}
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		err := w.Wait()
+		assert.Error(t, err)
+		assert.Contains(t, err.Error(), "undefined_function()")
+	}()
+
+	defer func() {
+		time.Sleep(time.Second)
+		err = w.Stop()
+		assert.Error(t, err)
+	}()
+
+	sw, err := worker.From(w)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := sw.Exec(payload.Payload{Body: []byte("hello")})
+
+	assert.Error(t, err)
+	assert.Nil(t, res.Context)
+	assert.Nil(t, res.Body)
+	wg.Wait()
+}
+
+func Test_Unix_Echo2(t *testing.T) {
+	ls, err := net.Listen("unix", "sock.unix")
+	assert.NoError(t, err)
+	defer func() {
+		err := ls.Close()
+		assert.NoError(t, err)
+	}()
+
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "unix")
+
+	w, err := NewSocketServer(ls, time.Minute).SpawnWorker(cmd)
+	if err != nil {
+		t.Fatal(err)
+	}
+	go func() {
+		assert.NoError(t, w.Wait())
+	}()
+	defer func() {
+		err = w.Stop()
+		if err != nil {
+			t.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	sw, err := worker.From(w)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := sw.Exec(payload.Payload{Body: []byte("hello")})
+
+	assert.NoError(t, err)
+	assert.NotNil(t, res)
+	assert.NotNil(t, res.Body)
+	assert.Empty(t, res.Context)
+
+	assert.Equal(t, "hello", res.String())
+}
+
+func Benchmark_Tcp_SpawnWorker_Stop2(b *testing.B) {
+	ls, err := net.Listen("unix", "sock.unix")
+	assert.NoError(b, err)
+	defer func() {
+		err := ls.Close()
+		assert.NoError(b, err)
+	}()
+
+	f := NewSocketServer(ls, time.Minute)
+	for n := 0; n < b.N; n++ {
+		cmd := exec.Command("php", "../../tests/client.php", "echo", "tcp")
+
+		w, err := f.SpawnWorker(cmd)
+		if err != nil {
+			b.Fatal(err)
+		}
+		go func() {
+			assert.NoError(b, w.Wait())
+		}()
+
+		err = w.Stop()
+		if err != nil {
+			b.Errorf("error stopping the Process: error %v", err)
+		}
+	}
+}
+
+func Benchmark_Tcp_Worker_ExecEcho2(b *testing.B) {
+	ls, err := net.Listen("unix", "sock.unix")
+	assert.NoError(b, err)
+	defer func() {
+		err := ls.Close()
+		assert.NoError(b, err)
+	}()
+
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "tcp")
+
+	w, err := NewSocketServer(ls, time.Minute).SpawnWorker(cmd)
+	if err != nil {
+		b.Fatal(err)
+	}
+	defer func() {
+		err = w.Stop()
+		if err != nil {
+			b.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	sw, err := worker.From(w)
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	for n := 0; n < b.N; n++ {
+		if _, err := sw.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
+			b.Fail()
+		}
+	}
+}
+
+func Benchmark_Unix_SpawnWorker_Stop2(b *testing.B) {
+	defer func() {
+		_ = syscall.Unlink("sock.unix")
+	}()
+	ls, err := net.Listen("unix", "sock.unix")
+	if err == nil {
+		defer func() {
+			err := ls.Close()
+			if err != nil {
+				b.Errorf("error closing the listener: error %v", err)
+			}
+		}()
+	} else {
+		b.Skip("socket is busy")
+	}
+
+	f := NewSocketServer(ls, time.Minute)
+	for n := 0; n < b.N; n++ {
+		cmd := exec.Command("php", "../../tests/client.php", "echo", "unix")
+
+		w, err := f.SpawnWorker(cmd)
+		if err != nil {
+			b.Fatal(err)
+		}
+		err = w.Stop()
+		if err != nil {
+			b.Errorf("error stopping the Process: error %v", err)
+		}
+	}
+}
+
+func Benchmark_Unix_Worker_ExecEcho2(b *testing.B) {
+	defer func() {
+		_ = syscall.Unlink("sock.unix")
+	}()
+	ls, err := net.Listen("unix", "sock.unix")
+	if err == nil {
+		defer func() {
+			err := ls.Close()
+			if err != nil {
+				b.Errorf("error closing the listener: error %v", err)
+			}
+		}()
+	} else {
+		b.Skip("socket is busy")
+	}
+
+	cmd := exec.Command("php", "../../tests/client.php", "echo", "unix")
+
+	w, err := NewSocketServer(ls, time.Minute).SpawnWorker(cmd)
+	if err != nil {
+		b.Fatal(err)
+	}
+	defer func() {
+		err = w.Stop()
+		if err != nil {
+			b.Errorf("error stopping the Process: error %v", err)
+		}
+	}()
+
+	sw, err := worker.From(w)
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	for n := 0; n < b.N; n++ {
+		if _, err := sw.Exec(payload.Payload{Body: []byte("hello")}); err != nil {
+			b.Fail()
+		}
+	}
+}