Add Printer Exporter (#1485)

pkg/collector/printer/printer_test.go

@@ -0,0 +1,17 @@
+package printer_test
+
+import (
+	"testing"
+
+	"github.com/alecthomas/kingpin/v2"
+
+	"github.com/prometheus-community/windows_exporter/pkg/collector/printer"
+	"github.com/prometheus-community/windows_exporter/pkg/testutils"
+)
+
+func BenchmarkCollector(b *testing.B) {
+	// Whitelist is not set in testing context (kingpin flags not parsed), causing the collector to skip all printers.
+	printersInclude := ".+"
+	kingpin.CommandLine.GetArg(printer.FlagPrinterInclude).StringVar(&printersInclude)
+	testutils.FuncBenchmarkCollector(b, "printer", printer.NewWithFlags)
+}