silverstripe-framework/admin/tests/CMSMenuItemTest.php

<?php

namespace SilverStripe\Admin\Tests;

use SilverStripe\Admin\CMSMenuItem;
use SilverStripe\Dev\SapphireTest;

class CMSMenuItemTest extends SapphireTest
{

    public function testAttributes()
    {
        $menuItem = new CMSMenuItem('Foo', 'foo');
        $exampleAttributes = array('title' => 'foo bar', 'disabled' => true, 'data-foo' => '<something>');

        $this->assertEquals(
            'title="foo bar" disabled="disabled" data-foo="&lt;something&gt;"',
            (string)$menuItem->getAttributesHTML($exampleAttributes),
            'Attributes appear correctly when passed as an argument'
        );

        $emptyAttributes = array('empty' => '');
        $this->assertEquals(
            '',
            $menuItem->getAttributesHTML($emptyAttributes),
            'No attributes are output when argument values are empty'
        );
        $this->assertEquals(
            '',
            (string)$menuItem->getAttributesHTML('some string'),
            'getAttributesHTML() ignores a string argument'
        );

        // Set attributes as class property
        $menuItem->setAttributes($exampleAttributes);
        $this->assertEquals(
            'title="foo bar" disabled="disabled" data-foo="&lt;something&gt;"',
            (string)$menuItem->getAttributesHTML(),
            'Attributes appear correctly when using setAttributes()'
        );
        $this->assertEquals(
            'title="foo bar" disabled="disabled"',
            (string)$menuItem->getAttributesHTML('data-foo'),
            'getAttributesHTML() ignores a string argument and falls back to class property'
        );
    }
}