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<?php
/**
* Test: Nette\Utils\Html children usage.
*/
declare(strict_types=1);
use Nette\Utils\Html;
use Tester\Assert;
require __DIR__ . '/../bootstrap.php';
test('building list with children and indentation', function () {
$el = Html::el('ul');
$el->create('li')->setText('one');
$el->addHtml(Html::el('li')->setText('two'))->class('hello');
Assert::same('<ul class="hello"><li>one</li><li>two</li></ul>', (string) $el);
// with indentation
Assert::match('
<ul class="hello">
<li>one</li>
<li>two</li>
</ul>
', $el->render(2), 'indentation');
});
test('mixing HTML and text children with array access', function () {
$el = Html::el(null);
$el->addHtml(Html::el('p')->setText('one'));
$el->addText('<p>two</p>');
$el->addHtml('<p>three</p>');
Assert::same('<p>one</p><p>two</p><p>three</p>', (string) $el);
// ==> Get child:
Assert::true(isset($el[0]));
Assert::same('<p>one</p>', (string) $el[0]);
Assert::same('<p>two</p>', (string) $el[1]);
Assert::same('<p>three</p>', (string) $el[2]);
Assert::false(isset($el[3]));
});
test('nested elements in select with optgroup and options', function () {
$el = Html::el('select');
$el->create('optgroup')->label('Main')->create('option')->setText('sub one')->create('option')->setText('sub two');
$el->create('option')->setText('Item');
Assert::same('<select><optgroup label="Main"><option>sub one<option>sub two</option></option></optgroup><option>Item</option></select>', (string) $el);
Assert::same(2, count($el));
Assert::same('optgroup', $el[0]->getName());
Assert::same('option', $el[1]->getName());
});
test('manipulating children collection', function () {
$el = Html::el('ul');
$el->addHtml('li');
$el->addHtml('li');
Assert::count(2, $el);
Assert::count(2, $el->getChildren());
Assert::count(2, iterator_to_array($el->getIterator()));
unset($el[1]);
Assert::count(1, $el->getChildren());
$el->removeChildren();
Assert::count(0, $el->getChildren());
Assert::count(0, iterator_to_array($el->getIterator()));
Assert::same('<ul></ul>', (string) $el);
});
test('cloning element with children preservation', function () {
$el = Html::el('ul');
$el->addHtml(Html::el('li'));
$el2 = clone $el;
Assert::same((string) $el, (string) $el2);
});
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