diff --git a/lib/golang/lib_test.go b/lib/golang/lib_test.go
new file mode 100644
index 0000000..2e8f877
--- /dev/null
+++ b/lib/golang/lib_test.go
@@ -0,0 +1,40 @@
+package golang
+
+import (
+	"os/exec"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewParent(t *testing.T) {
+	t.Run("socket argument in command", func(t *testing.T) {
+		cmd := exec.Command("/bin/sh", ipcSocketArg, "/tmp/kek")
+		_, err := NewParent(cmd)
+		assert.Error(t, err)
+	})
+
+	t.Run("nonexistent binary", func(t *testing.T) {
+		cmd := exec.Command("/nonexistent/binary")
+		p, err := NewParent(cmd)
+		assert.NoError(t, err)
+		assert.Error(t, p.Start())
+	})
+
+	t.Run("connection timeout", func(t *testing.T) {
+		cmd := exec.Command("../testdata/sleep15.sh")
+		p, err := NewParent(cmd)
+		assert.NoError(t, err)
+		assert.Error(t, p.Start())
+	})
+
+	t.Run("child finished before accepting connection", func(t *testing.T) {
+		cmd := exec.Command("../testdata/sleep3.sh")
+		p, err := NewParent(cmd)
+		assert.NoError(t, err)
+		start := time.Now()
+		assert.Error(t, p.Start())
+		assert.WithinDuration(t, time.Now(), start, time.Second*4)
+	})
+}