SessionTest::testAddMessageAfterRedirect PHP Method

    public function testAddMessageAfterRedirect()
    {
        session_start();
        $err_msg = 'Something is broken. Weird.';
        $warn_msg = 'There was a warning. Be carefull.';
        $info_msg = 'All goes well. Or not... Who knows ;)';
        $this->assertEquals(false, isset($_SESSION['MESSAGE_AFTER_REDIRECT']));
        //test add message in cron mode
        $_SESSION['glpicronuserrunning'] = 'phpunit_cron';
        Session::addMessageAfterRedirect($err_msg, false, ERROR);
        //adding a message in "cron mode" does not add anything in the session
        $this->assertEquals(false, isset($_SESSION['MESSAGE_AFTER_REDIRECT']));
        //set not running from cron
        unset($_SESSION['glpicronuserrunning']);
        //test all messages types
        Session::addMessageAfterRedirect($err_msg, false, ERROR);
        Session::addMessageAfterRedirect($warn_msg, false, WARNING);
        Session::addMessageAfterRedirect($info_msg, false, INFO);
        $expected = [ERROR => [$err_msg], WARNING => [$warn_msg], INFO => [$info_msg]];
        $this->assertEquals($expected, $_SESSION['MESSAGE_AFTER_REDIRECT']);
        $this->expectOutputRegex('/' . str_replace('.', '\\.', $err_msg) . '/');
        $this->expectOutputRegex('/' . str_replace('.', '\\.', $warn_msg) . '/');
        $this->expectOutputRegex('/' . str_replace(['.', ')'], ['\\.', '\\)'], $info_msg) . '/');
        Html::displayMessageAfterRedirect();
        $this->assertEquals([], $_SESSION['MESSAGE_AFTER_REDIRECT']);
        //test multiple messages of same type
        Session::addMessageAfterRedirect($err_msg, false, ERROR);
        Session::addMessageAfterRedirect($err_msg, false, ERROR);
        Session::addMessageAfterRedirect($err_msg, false, ERROR);
        $expected = [ERROR => [$err_msg, $err_msg, $err_msg]];
        $this->assertEquals($expected, $_SESSION['MESSAGE_AFTER_REDIRECT']);
        $this->expectOutputRegex('/' . str_replace('.', '\\.', $err_msg) . '/');
        Html::displayMessageAfterRedirect();
        $this->assertEquals([], $_SESSION['MESSAGE_AFTER_REDIRECT']);
        //test message deduplication
        $err_msg_bis = $err_msg . ' not the same';
        Session::addMessageAfterRedirect($err_msg, true, ERROR);
        Session::addMessageAfterRedirect($err_msg_bis, true, ERROR);
        Session::addMessageAfterRedirect($err_msg, true, ERROR);
        Session::addMessageAfterRedirect($err_msg, true, ERROR);
        $expected = [ERROR => [$err_msg, $err_msg_bis]];
        $this->assertEquals($expected, $_SESSION['MESSAGE_AFTER_REDIRECT']);
        $this->expectOutputRegex('/' . str_replace('.', '\\.', $err_msg) . '/');
        $this->expectOutputRegex('/' . str_replace('.', '\\.', $err_msg_bis) . '/');
        Html::displayMessageAfterRedirect();
        $this->assertEquals([], $_SESSION['MESSAGE_AFTER_REDIRECT']);
        //test with reset
        Session::addMessageAfterRedirect($err_msg, false, ERROR);
        Session::addMessageAfterRedirect($warn_msg, false, WARNING);
        Session::addMessageAfterRedirect($info_msg, false, INFO, true);
        $expected = [INFO => [$info_msg]];
        $this->assertEquals($expected, $_SESSION['MESSAGE_AFTER_REDIRECT']);
        $this->expectOutputRegex('/' . str_replace(['.', ')'], ['\\.', '\\)'], $info_msg) . '/');
        Html::displayMessageAfterRedirect();
        $this->assertEquals([], $_SESSION['MESSAGE_AFTER_REDIRECT']);
    }