added test

tests/portscan_test.go

@@ -0,0 +1,15 @@
+package tests
+
+import (
+	"testing"
+
+	"pentest_tools/modules"
+)
+
+// Test scanPort function
+func TestScanPort(t *testing.T) {
+	opts := modules.ScanOptions{Address: "google.com"}
+	if result := modules.ScanPorts(opts); result.Total != 1 || result.Ports[0] != 80 {
+		t.Errorf("Expected ScanPorts to return only port 80 to be open for %v", opts.Address)
+	}
+}