// apparmor.d - Full set of apparmor profiles
// Copyright (C) 2023 Alexandre Pujol <alexandre@pujol.io>
// SPDX-License-Identifier: GPL-2.0-only

package util

import (
	"reflect"
	"regexp"
	"testing"
)

func TestDecodeHexInString(t *testing.T) {
	tests := []struct {
		name string
		str  string
		want string
	}{
		{
			name: "Hexa",
			str:  `apparmor="ALLOWED" operation="rename_dest" parent=6974 profile="/usr/sbin/httpd2-prefork//vhost_foo" name=2F686F6D652F7777772F666F6F2E6261722E696E2F68747470646F63732F61707061726D6F722F696D616765732F746573742F696D61676520312E6A7067 pid=20143 comm="httpd2-prefork" requested_mask="wc"`,
			want: `apparmor="ALLOWED" operation="rename_dest" parent=6974 profile="/usr/sbin/httpd2-prefork//vhost_foo" name="/home/www/foo.bar.in/httpdocs/apparmor/images/test/image 1.jpg" pid=20143 comm="httpd2-prefork" requested_mask="wc"`,
		},
		{
			name: "Not Hexa",
			str:  `type=AVC msg=audit(1424425690.883:716630): apparmor="ALLOWED" operation="file_mmap" info="Failed name lookup - disconnected path" error=-13 profile="/sbin/klogd" name="var/run/nscd/passwd" pid=25333 comm="id" requested_mask="r" denied_mask="r" fsuid=1002 ouid=0`,
			want: `type=AVC msg=audit(1424425690.883:716630): apparmor="ALLOWED" operation="file_mmap" info="Failed name lookup - disconnected path" error=-13 profile="/sbin/klogd" name="var/run/nscd/passwd" pid=25333 comm="id" requested_mask="r" denied_mask="r" fsuid=1002 ouid=0`,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := DecodeHexInString(tt.str); got != tt.want {
				t.Errorf("DecodeHexInString() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestRemoveDuplicate(t *testing.T) {
	tests := []struct {
		name   string
		inlist []string
		want   []string
	}{
		{
			name:   "Duplicate",
			inlist: []string{"foo", "bar", "foo", "bar", ""},
			want:   []string{"foo", "bar"},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := RemoveDuplicate(tt.inlist); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("RemoveDuplicate() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestToRegexRepl(t *testing.T) {
	tests := []struct {
		name string
		in   []string
		want []RegexRepl
	}{
		{
			name: "",
			in: []string{
				"^/foo/bar", "/foo/bar",
				"^/foo/bar", "/foo/bar",
			},
			want: []RegexRepl{
				{Regex: regexp.MustCompile("^/foo/bar"), Repl: "/foo/bar"},
				{Regex: regexp.MustCompile("^/foo/bar"), Repl: "/foo/bar"},
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := ToRegexRepl(tt.in); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("ToRegexRepl() = %v, want %v", got, tt.want)
			}
		})
	}
}