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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Tests\Unit\Util;
use League\CommonMark\Util\HtmlElement;
use PHPUnit\Framework\TestCase;
final class HtmlElementTest extends TestCase
{
public function testConstructorOneArgument(): void
{
$p = new HtmlElement('p');
$this->assertEquals('p', $p->getTagName());
$this->assertEmpty($p->getAllAttributes());
$this->assertEmpty($p->getContents());
}
public function testConstructorTwoArguments(): void
{
$img = new HtmlElement('img', ['src' => 'foo.jpg']);
$this->assertEquals('img', $img->getTagName());
$this->assertCount(1, $img->getAllAttributes());
$this->assertEquals('foo.jpg', $img->getAttribute('src'));
$this->assertEmpty($img->getContents());
}
public function testConstructorThreeArguments(): void
{
$li = new HtmlElement('li', ['class' => 'odd'], 'Foo');
$this->assertEquals('li', $li->getTagName());
$this->assertCount(1, $li->getAllAttributes());
$this->assertEquals('odd', $li->getAttribute('class'));
$this->assertEquals('Foo', $li->getContents());
}
public function testNonSelfClosingElement(): void
{
$p = new HtmlElement('p', [], '', false);
$this->assertEquals('<p></p>', (string) $p);
}
public function testSelfClosingElement(): void
{
$hr = new HtmlElement('hr', [], '', true);
$this->assertEquals('<hr />', (string) $hr);
}
public function testGetSetExistingAttribute(): void
{
$p = new HtmlElement('p', ['class' => 'foo']);
$this->assertCount(1, $p->getAllAttributes());
$this->assertEquals('foo', $p->getAttribute('class'));
$p->setAttribute('class', 'bar');
$this->assertCount(1, $p->getAllAttributes());
$this->assertEquals('bar', $p->getAttribute('class'));
}
public function testGetSetNonExistingAttribute(): void
{
$p = new HtmlElement('p', ['class' => 'foo']);
$this->assertCount(1, $p->getAllAttributes());
$this->assertNull($p->getAttribute('id'));
$p->setAttribute('id', 'bar');
$this->assertCount(2, $p->getAllAttributes());
$this->assertEquals('bar', $p->getAttribute('id'));
$this->assertEquals('foo', $p->getAttribute('class'));
}
public function testGetSetAttributeWithStringAndArrayValues(): void
{
$p = new HtmlElement('p', ['class' => ['foo', 'bar']]);
$this->assertCount(1, $p->getAllAttributes());
$this->assertSame('foo bar', $p->getAttribute('class'));
$p->setAttribute('class', 'baz');
$this->assertSame('baz', $p->getAttribute('class'));
$p->setAttribute('class', ['foo', 'bar', 'baz']);
$this->assertSame('foo bar baz', $p->getAttribute('class'));
$p->setAttribute('class', 'foo bar');
$this->assertSame('foo bar', $p->getAttribute('class'));
}
public function testAttributesWithArrayValues(): void
{
$p = new HtmlElement('p', ['class' => ['a', 'b', 'a']]);
$this->assertCount(1, $p->getAllAttributes());
$this->assertSame('a b', $p->getAttribute('class'));
$this->assertSame('<p class="a b"></p>', $p->__toString());
$p->setAttribute('class', ['foo', 'bar', 'foo']);
$this->assertSame('foo bar', $p->getAttribute('class'));
$this->assertSame('<p class="foo bar"></p>', $p->__toString());
// String attribute values do not have duplicate values removed
$p->setAttribute('class', 'x y z x a');
$this->assertSame('x y z x a', $p->getAttribute('class'));
$this->assertSame('<p class="x y z x a"></p>', $p->__toString());
}
public function testAttributesWithBooleanTrueValues(): void
{
$checkbox = new HtmlElement('input', ['type' => 'checkbox', 'checked' => true], '', true);
$this->assertSame('<input type="checkbox" checked>', $checkbox->__toString());
$checkbox->setAttribute('checked', false);
$this->assertSame('<input type="checkbox">', $checkbox->__toString());
$checkbox->setAttribute('checked', true);
$this->assertSame('<input type="checkbox" checked>', $checkbox->__toString());
$checkbox->setAttribute('disabled'); // implicitly true
$this->assertSame('<input type="checkbox" checked disabled>', $checkbox->__toString());
}
public function testToString(): void
{
$img = new HtmlElement('img', [], '', true);
$p = new HtmlElement('p');
$div = new HtmlElement('div');
$div->setContents([$p, $img]);
$this->assertIsString($div->getContents(true));
$this->assertEquals('<p></p><img />', $div->getContents(true));
$this->assertEquals('<div><p></p><img /></div>', $div->__toString());
}
public function testToStringWithUnescapedAttribute(): void
{
$element = new HtmlElement('p', ['id' => 'foo', 'class' => 'test" onclick="javascript:doBadThings();'], 'click me');
$this->assertEquals('<p id="foo" class="test" onclick="javascript:doBadThings();">click me</p>', $element->__toString());
}
public function testNullContentConstructor(): void
{
$img = new HtmlElement('img', [], null);
$this->assertTrue($img->getContents(false) === '');
}
public function testNullContentSetter(): void
{
$img = new HtmlElement('img');
$img->setContents(null);
$this->assertTrue($img->getContents(false) === '');
}
/**
* See https://github.com/thephpleague/commonmark/issues/376
*/
public function testRegressionWith0NotBeingRendered(): void
{
$element = new HtmlElement('em');
$element->setContents('0');
$this->assertSame('0', $element->getContents());
$element = new HtmlElement('em', [], '0');
$this->assertSame('0', $element->getContents());
}
}
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