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<?php |
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namespace WMDE\HamcrestHtml; |
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use Hamcrest\Description; |
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use Hamcrest\Matcher; |
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use Hamcrest\TypeSafeDiagnosingMatcher; |
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class RootElementMatcher extends TypeSafeDiagnosingMatcher { |
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/** |
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* @var Matcher |
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*/ |
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private $tagMatcher; |
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/** |
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* @param Matcher|null $tagMatcher |
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* |
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* @return static |
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*/ |
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public static function havingRootElement( Matcher $tagMatcher = null ) { |
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return new static( $tagMatcher ); |
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} |
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public function __construct( Matcher $tagMatcher = null ) { |
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parent::__construct( self::TYPE_OBJECT, \DOMDocument::class ); |
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$this->tagMatcher = $tagMatcher; |
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} |
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public function describeTo( Description $description ) { |
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$description->appendText( 'having root element ' ); |
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if ( $this->tagMatcher ) { |
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$description->appendDescriptionOf( $this->tagMatcher ); |
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} |
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} |
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/** |
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* @param \DOMDocument $item |
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* @param Description $mismatchDescription |
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* |
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* @return bool |
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*/ |
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protected function matchesSafelyWithDiagnosticDescription( $item, Description $mismatchDescription ) { |
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$DOMNodeList = $item->documentElement->childNodes->item( 0 )->childNodes; |
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if ( $DOMNodeList->length > 1 ) { |
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// TODO Test this description |
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$mismatchDescription->appendText( 'having ' . $DOMNodeList->length . ' root elements ' ); |
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return false; |
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} |
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$target = $DOMNodeList->item( 0 ); |
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if ( !$target ) { |
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// TODO Reproduce? |
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$mismatchDescription->appendText( 'having no root elements ' ); |
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return false; |
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} |
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if ( $this->tagMatcher ) { |
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$mismatchDescription->appendText( 'root element ' ); |
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$this->tagMatcher->describeMismatch( $target, $mismatchDescription ); |
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return $this->tagMatcher->matches( $target ); |
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} |
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return true; |
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} |
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} |
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wmde /
hamcrest-html-matchers
