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<?php
namespace Gt\Dom\Test;
use DOMDocument;
use Gt\Dom\DocumentType;
use Gt\Dom\Element;
use Gt\Dom\ElementType;
use Gt\Dom\Exception\InvalidCharacterException;
use Gt\Dom\Exception\WriteOnNonHTMLDocumentException;
use Gt\Dom\HTMLDocument;
use Gt\Dom\Test\TestFactory\DocumentTestFactory;
use Gt\Dom\XMLDocument;
use Gt\PropFunc\PropertyDoesNotExistException;
use PHPUnit\Framework\TestCase;
class XMLDocumentTest extends TestCase {
public function testBodyNullOnXML():void {
$sut = new XMLDocument();
self::expectException(PropertyDoesNotExistException::class);
/** @noinspection PhpExpressionResultUnusedInspection */
/** @noinspection PhpUndefinedFieldInspection */
$sut->body;
}
public function testToStringEmptyXML():void {
$sut = new XMLDocument();
self::assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<xml/>\n", (string)$sut);
}
public function testPropContentTypeEmpty():void {
$sut = new XMLDocument();
self::assertEquals("application/xml", $sut->contentType);
}
public function testDoctype():void {
$sut = new HTMLDocument();
self::assertInstanceOf(DocumentType::class, $sut->doctype);
}
public function testDocumentElementXML():void {
$sut = new XMLDocument();
self::assertSame(ElementType::Element, $sut->documentElement->elementType);
}
public function testHeadNullOnXML():void {
$sut = new XMLDocument();
self::expectException(PropertyDoesNotExistException::class);
/** @noinspection PhpExpressionResultUnusedInspection */
/** @noinspection PhpUndefinedFieldInspection */
/** @phpstan-ignore-next-line */
$sut->head;
}
public function testWriteDirectlyToDocument():void {
$message = "Hello from PHPUnit!";
$sut = new XMLDocument();
self::expectException(WriteOnNonHTMLDocumentException::class);
$sut->open();
$sut->write($message);
}
public function testCreateCDATASection():void {
$sut = new XMLDocument();
$data = "Example CDATASection data!";
$cdata = $sut->createCDATASection($data);
self::assertEquals($data, $cdata->nodeValue);
}
public function testCreateCDATASectionInvalidCharacter():void {
$sut = new XMLDocument();
$data = "Illegal Characters ]]>";
self::expectException(InvalidCharacterException::class);
$sut->createCDATASection($data);
}
public function testGetElementByIdXMLBug():void {
// There is a known bug in XML documents where getElementById doesn't actually
// match elements. This has been patched by Gt\Dom, but to prove it, this test
// will expose the original bug on the native document.
$bugDocument = new DOMDocument("1.0", "UTF-8");
$bugDocument->loadXML(DocumentTestFactory::XML_SHAPE);
$missingElement = $bugDocument->getElementById("target");
// This _shouldn't_ be null, but it is in the libxml2 implementation (buggy!)
self::assertNull($missingElement);
$sut = new XMLDocument(DocumentTestFactory::XML_SHAPE);
$element = $sut->getElementById("target");
self::assertInstanceOf(Element::class, $element);
self::assertEquals("circle", $element->tagName);
}
public function testEvaluate():void {
$sut = new XMLDocument(DocumentTestFactory::XML_BREAKFAST_MENU);
$i = null;
foreach($sut->evaluate("//food") as $i => $foodElement) {
self::assertInstanceOf(Element::class, $foodElement);
}
self::assertSame(4, $i);
}
public function testGetElementsByClassName():void {
$sut = new XMLDocument();
$root = $sut->createElement("root");
$sut->firstChild->appendChild($root);
$trunk = $sut->createElement("trunk");
$root->appendChild($trunk);
$leaf = $sut->createElement("leaf");
$trunk->appendChild($leaf);
$root->className = "below-ground brown";
$trunk->className = "above-ground brown";
$leaf->className = "above-ground green";
self::assertCount(
2,
$sut->getElementsByClassName("above-ground")
);
self::assertCount(
1,
$sut->getElementsByClassName("green")
);
self::assertCount(
2,
$sut->getElementsByClassName("brown")
);
}
}