package auth

import "testing"

func TestPathRuleSemantics(t *testing.T) {
	a := &Account{Mask: ParseMask("r")}
	a.Rules = []PathRule{
		{Dir: "private", Deny: true},
		{Dir: "share", Mask: ParseMask("w"), ChildrenOnly: true},
		{Dir: "drop", Mask: ParseMask("d"), ChildrenOnly: true},
		{Dir: "pub*", Mask: ParseMask("r")},
	}
	cases := []struct{ path, want string }{
		{"", "R"},
		{"private", ""},
		{"private/x.txt", ""},
		{"share", "R"},
		{"share/x.txt", "RW"},
		{"drop", "R"},
		{"drop/x.txt", "RWD"},
		{"public/x.txt", "R"},
		{"public/sub/x.txt", "R"},
	}
	for _, tc := range cases {
		if got := permStringForTest(a.MaskFor(tc.path)); got != tc.want {
			t.Errorf("MaskFor(%q)=%q want %q", tc.path, got, tc.want)
		}
	}
}

func permStringForTest(p PermMask) string {
	if p.HasDelete() {
		return "RWD"
	}
	if p.HasWrite() {
		return "RW"
	}
	if p.HasRead() {
		return "R"
	}
	return ""
}