Add test and benchmark for Scanner

scanner_test.go

@@ -0,0 +1,29 @@
+package restic_test
+
+import (
+	"flag"
+	"testing"
+
+	"github.com/restic/restic"
+)
+
+var scanDir = flag.String("test.scandir", ".", "test/benchmark scanning a real directory (default: .)")
+
+func TestScanner(t *testing.T) {
+	sc := restic.NewScanner(nil)
+
+	tree, err := sc.Scan(*scanDir)
+	ok(t, err)
+
+	stats := tree.Stat()
+
+	assert(t, stats.Files > 0,
+		"no files in dir %v", *scanDir)
+}
+
+func BenchmarkScanner(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		_, err := restic.NewScanner(nil).Scan(*scanDir)
+		ok(b, err)
+	}
+}