adding tests

Author: Mzack9999

process/interrupt_unix_test.go

@@ -0,0 +1,27 @@
+//go:build !windows
+
+package process
+
+import (
+	"os"
+	"os/signal"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestSendInterrupt(t *testing.T) {
+	sigChan := make(chan os.Signal, 1)
+	signal.Notify(sigChan, os.Interrupt)
+	defer signal.Stop(sigChan)
+
+	SendInterrupt()
+
+	select {
+	case sig := <-sigChan:
+		require.Equal(t, os.Interrupt, sig)
+	case <-time.After(2 * time.Second):
+		t.Fatal("timeout waiting for interrupt signal")
+	}
+}

process/interrupt_windows_test.go

@@ -0,0 +1,20 @@
+//go:build windows
+
+package process
+
+import "testing"
+
+func TestSendInterrupt(t *testing.T) {
+	// On Windows CI (GitHub Actions), GenerateConsoleCtrlEvent may not work
+	// as expected without a proper console attached.
+	// This test verifies the function doesn't panic and the syscall loads correctly.
+	defer func() {
+		if r := recover(); r != nil {
+			t.Fatalf("SendInterrupt panicked: %v", r)
+		}
+	}()
+
+	// Just verify it doesn't crash - the actual signal delivery
+	// depends on console configuration which varies in CI
+	SendInterrupt()
+}