Your IP : 216.73.216.43
<?php
namespace Gt\Dom\Test;
use Gt\Dom\Element;
use Gt\Dom\HTMLDocument;
use Gt\Dom\Test\Helper\Helper;
use PHPUnit\Framework\TestCase;
class DocumentFragmentTest extends TestCase {
private const DOC_CONTENT_BEFORE_INSERT = "<!doctype html><body>"
. "<div><ul><li>outOfScope</li></ul></div>"
. "<span id='replaceWithSUT'></span>"
. "<div><ul><li>outOfScope</li></ul></div>"
. "</body>";
private $browserList = [
"Firefox",
"Chrome",
"Opera",
"Safari",
"Internet Explorer",
];
public function testQuerySelectorBeforeAddingToDocument(): void
{
$document = new HTMLDocument(self::DOC_CONTENT_BEFORE_INSERT);
$fragment = $document->createDocumentFragment();
$expectedFirstLi = null;
$browserList = [
"Firefox",
"Chrome",
"Opera",
"Safari",
"Internet Explorer",
];
foreach($browserList as $browser) {
$li = $document->createElement("li");
$li->textContent = $browser;
$fragment->appendChild($li);
if(is_null($expectedFirstLi)) {
$expectedFirstLi = $li;
}
}
$actualFirstLi = $fragment->querySelector("li");
self::assertSame($expectedFirstLi, $actualFirstLi);
}
public function testQuerySelectorAllBeforeAddingToDocument(): void
{
$document = new HTMLDocument(self::DOC_CONTENT_BEFORE_INSERT);
$fragment = $document->createDocumentFragment();
$expectedCount = 0;
foreach($this->browserList as $browser) {
$expectedCount++;
$li = $document->createElement("li");
$li->textContent = $browser;
$fragment->appendChild($li);
}
$liCollection = $fragment->querySelectorAll("li");
self::assertCount($expectedCount, $liCollection);
}
public function testAppendsToDocument(): void
{
$document = new HTMLDocument("<!doctype html><body><ul></ul></body>");
$fragment = $document->createDocumentFragment();
$expectedCount = 0;
$expectedFirstLi = null;
foreach(["Firefox", "Chrome", "Opera", "Safari", "Internet Explorer"]
as $browser) {
$expectedCount++;
$li = $document->createElement("li");
$li->textContent = $browser;
$fragment->appendChild($li);
if(is_null($expectedFirstLi)) {
$expectedFirstLi = $li;
}
}
$ul = $document->querySelector("ul");
$ul->appendChild($fragment);
$actualResult = $document->querySelectorAll("body>ul>li");
self::assertCount($expectedCount, $actualResult);
self::assertSame($expectedFirstLi, $actualResult[0]);
}
public function testQuerySelectorAfterAddingToDocument(): void
{
$document = new HTMLDocument(self::DOC_CONTENT_BEFORE_INSERT);
$fragment = $document->createDocumentFragment();
$fragment->appendXML("<ul><li id='new-frag-li'>inScope</li></ul>");
$document->querySelector("span#replaceWithSUT")->replaceWith($fragment);
$fragLi = $fragment->querySelector("li");
$bodyLi = $document->querySelector("li#new-frag-li");
// <li> is now child of body, not fragment.
self::assertNull($fragLi);
self::assertNotNull($bodyLi);
self::assertEquals("inScope", $bodyLi->textContent);
}
public function testQuerySelectorAllAfterAddingToDocument(): void
{
$document = new HTMLDocument(self::DOC_CONTENT_BEFORE_INSERT);
$fragment = $document->createDocumentFragment();
$fragment->appendXML("<ul><li id='new-frag-li'>inScope</li></ul>");
$document->querySelector("span#replaceWithSUT")->replaceWith($fragment);
$fragLiList = $fragment->querySelectorAll("li");
self::assertCount(0, $fragLiList);
}
public function testChildren(): void
{
$document = new HTMLDocument(self::DOC_CONTENT_BEFORE_INSERT);
$fragment = $document->createDocumentFragment();
$fragment->appendXML("<p>one</p><p>two</p><p>three</p>");
self::assertCount(3, $fragment->children);
}
public function testFirstElementChild(): void
{
$document = new HTMLDocument(self::DOC_CONTENT_BEFORE_INSERT);
$fragment = $document->createDocumentFragment();
$fragment->appendXML("this is a text node<p>this is an element node</p>");
$child = $fragment->firstElementChild;
self::assertInstanceOf(Element::class, $child);
self::assertEquals("p", $child->tagName);
}
public function testLastElementChild(): void
{
$document = new HTMLDocument(self::DOC_CONTENT_BEFORE_INSERT);
$fragment = $document->createDocumentFragment();
$fragment->appendXML(
"this is a text node"
. "<p>this is a paragraph</p>"
. "<div>this is a div</div>"
. "this is another text node"
);
$child = $fragment->lastElementChild;
self::assertInstanceOf(Element::class, $child);
self::assertEquals("div", $child->tagName);
}
public function testGetChildElementCound(): void
{
$document = new HTMLDocument(self::DOC_CONTENT_BEFORE_INSERT);
$fragment = $document->createDocumentFragment();
$fragment->appendXML(
"this is a text node"
. "<p>this is a paragraph</p>"
. "<div>this is a div</div>"
. "this is another text node"
);
self::assertEquals(2, $fragment->childElementCount);
}
public function testTemplate(): void
{
$document = new HTMLDocument(Helper::DOCS_DOCUMENTFRAGMENT_PAGE);
$fragment = $document->createDocumentFragment();
$fragment->appendXML(Helper::DOCS_DOCUMENTFRAGMENT_TEMPLATE);
$shopItemList = $document->querySelectorAll("shop-item");
foreach($shopItemList as $shopItemElement) {
// Create a clone of the fragment as a template element.
$template = $fragment->cloneNode(true);
// Set the elements of the fragment to their correct values.
$link = $template->querySelector("a");
$h1 = $template->querySelector("h1");
$h2 = $template->querySelector("h2");
$link->href .= $shopItemElement->id;
$h1->textContent = $shopItemElement->getAttribute("name");
$h2->textContent = $shopItemElement->getAttribute("price");
// Replace the custom element with the contents of the fragment.
$shopItemElement->replaceWith($template);
self::assertNull($shopItemElement->parentNode);
}
// All shop-item elements should be replaced now.
self::assertNull($document->querySelector("shop-item"));
}
public function testNoAttribute(): void
{
$document = new HTMLDocument(Helper::HTML_LESS);
$fragment = $document->createDocumentFragment();
$fragment->appendHTML(Helper::HTML_TEMPLATE_NO_ATTRIBUTE_VALUE);
self::assertCount(1, $document->querySelectorAll("p"));
$document->body->appendChild($fragment);
self::assertCount(3,$document->querySelectorAll("p"));
}
/**
* Tests the property innerHTML.
* Checks that innerHTML is not null before it is attached to the DOM as well as that it is null
* after.
* @see https://developer.mozilla.org/en-US/docs/Web/API/DocumentFragment#Usage_notes
*/
public function testInnerHTML():void {
$document = new HTMLDocument(Helper::HTML);
$fragment = $document->createDocumentFragment();
self::assertNull($fragment->innerHTML);
$fragment->appendHTML(Helper::HTML_TEXT);
self::assertNotNull($fragment->innerHTML);
$document->body->appendChild($fragment);
self::assertNull($fragment->innerHTML);
}
}