accept dir for http args

src/ledger/file_test.go

@@ -275,3 +275,18 @@ func TestFileDeltas(t *testing.T) {
 		})
 	}
 }
+
+func TestFilesOfDir(t *testing.T) {
+	d := t.TempDir()
+	files := Files([]string{d, "/dev/null"})
+	if paths := files.paths(); len(paths) != 1 {
+		t.Error(paths)
+	}
+
+	os.WriteFile(path.Join(d, "1"), []byte{}, os.ModePerm)
+	os.Mkdir(path.Join(d, "d2"), os.ModePerm)
+	os.WriteFile(path.Join(d, "d2", "2"), []byte{}, os.ModePerm)
+	if paths := files.paths(); len(paths) != 3 || paths[0] != path.Join(d, "1") || paths[1] != path.Join(d, "d2", "2") {
+		t.Error(paths)
+	}
+}