' );
$node = $navigator->getByXpath( '//body/*' );
$this->assertTrue( $navigator->hasClass( $node, 'foo' ) );
$this->assertFalse( $navigator->hasClass( $node, 'bar' ) );
$this->assertFalse( $navigator->hasClass( $node, 'foo bar' ) );
$navigator = new DomNavigator( '' );
$node = $navigator->getByXpath( '//body/*' );
$this->assertTrue( $navigator->hasClass( $node, 'foo' ) );
$this->assertTrue( $navigator->hasClass( $node, 'bar' ) );
$this->assertTrue( $navigator->hasClass( $node, 'foo bar' ) );
$navigator = new DomNavigator( '' );
$node = $navigator->getByXpath( '//body/*' );
$this->assertTrue( $navigator->hasClass( $node, 'bar' ) );
$this->assertTrue( $navigator->hasClass( $node, 'foo baz' ) );
}
public function testGetFirstClassWithPrefix() {
$navigator = new DomNavigator( '' );
$node = $navigator->getByXpath( '//body/*' );
$this->assertEquals( 'bar', $navigator->getFirstClassWithPrefix( $node, 'ba' ) );
$this->assertEquals( 'foo', $navigator->getFirstClassWithPrefix( $node, 'fo' ) );
$this->assertEquals( 'boom', $navigator->getFirstClassWithPrefix( $node, 'boom' ) );
$this->assertNull( $navigator->getFirstClassWithPrefix( $node, 'zzap' ) );
$this->assertNull( $navigator->getFirstClassWithPrefix( $node, 'ar' ) );
}
public function testFindElementsWithClass() {
// one result
$navigator = new DomNavigator(
'123
' );
$nodes = $navigator->findElementsWithClass( 'span', 'foo' );
$this->assertNodeListTextEquals( [ '2' ], $nodes );
// more results
$navigator = new DomNavigator(
'123
' );
$nodes = $navigator->findElementsWithClass( 'span', 'foo' );
$this->assertNodeListTextEquals( [ '2', '3' ], $nodes );
// multiple classes
$navigator = new DomNavigator(
'123
' );
$nodes = $navigator->findElementsWithClass( 'span', 'foo' );
$this->assertNodeListTextEquals( [ '2' ], $nodes );
$nodes = $navigator->findElementsWithClass( 'span', 'bar' );
$this->assertNodeListTextEquals( [ '2' ], $nodes );
$this->assertSame( 1, $nodes->length );
$this->assertNodeListTextEquals( [ '2' ], $nodes );
// results nested into each other
$navigator = new DomNavigator(
'' .
'
'
);
$nodes = $navigator->findElementsWithClass( 'span', 'foo' );
$this->assertNodeListAttributeEquals( 'x', [ '2', '3' ], $nodes );
}
public function testFindElementsWithClassPrefix() {
// one class
$navigator = new DomNavigator(
'12' .
'3
'
);
$nodes = $navigator->findElementsWithClassPrefix( 'span', 'foo' );
$this->assertNodeListTextEquals( [ '1', '2' ], $nodes );
// more classes
$navigator = new DomNavigator(
'12' .
'3
'
);
$nodes = $navigator->findElementsWithClassPrefix( 'span', 'foo' );
$this->assertNodeListTextEquals( [ '1', '2', '3' ], $nodes );
// more classes - negative
$navigator = new DomNavigator(
'12' .
'3
'
);
$nodes = $navigator->findElementsWithClassPrefix( 'span', 'foo' );
$this->assertNodeListTextEquals( [], $nodes );
}
public function testTagNameSelector() {
$navigator = new DomNavigator(
'' );
$nodes = $navigator->findElementsWithClass( 'span', 'foo' );
$this->assertNodeListTextEquals( [ '1' ], $nodes );
$nodes = $navigator->findElementsWithClass( '*', 'foo' );
$this->assertNodeListTextEquals( [ '1', '2' ], $nodes );
}
public function testContext() {
$navigator = new DomNavigator(
'1' .
'2
'
);
$nodes = $navigator->findElementsWithClass( 'span', 'foo' );
$this->assertNodeListTextEquals( [ '1', '2' ], $nodes );
$nodes = $navigator->findElementsWithClass( 'span', 'bar' );
$this->assertSame( 1, $nodes->length );
$context = $nodes->item( 0 );
$nodes = $navigator->findElementsWithClass( 'span', 'foo', $context );
$this->assertNodeListTextEquals( [ '2' ], $nodes );
}
public function testContextItselfIsFound() {
$navigator = new DomNavigator(
'123
' );
$nodes = $navigator->findElementsWithClass( 'span', 'foo' );
$context = $nodes->item( 0 );
$nodes = $navigator->findElementsWithClass( 'span', 'foo', $context );
$this->assertNodeListTextEquals( [ '2' ], $nodes );
}
public function testMultipleElementNames() {
$navigator = new DomNavigator(
''
);
$nodes = $navigator->findElementsWithClass( '*', 'foo' );
$this->assertNodeListTextEquals( [ '1', '2', '4' ], $nodes );
$nodes = $navigator->findElementsWithClass( [ 'span', 'div' ], 'foo' );
$this->assertNodeListTextEquals( [ '1', '2' ], $nodes );
}
public function testFindElementsWithClassAndLang() {
$navigator = new DomNavigator(
'12' .
'3
'
);
$nodes = $navigator->findElementsWithClassAndLang( 'span', 'foo' );
$this->assertNodeListTextEquals( [ '3' ], $nodes );
$navigator = new DomNavigator(
'12
' );
$nodes = $navigator->findElementsWithClassAndLang( 'span', 'foo' );
$this->assertNodeListTextEquals( [ '1', '2' ], $nodes );
}
public function testFindElementsWithId() {
// test multiple identical ids in same document
$navigator = new DomNavigator(
'123
' );
$nodes = $navigator->findElementsWithId( 'span', 'foo' );
$this->assertNodeListTextEquals( [ '2', '3' ], $nodes );
}
public function testFindElementsWithIdPrefix() {
$navigator = new DomNavigator(
'12' .
'3
4'
);
$nodes = $navigator->findElementsWithIdPrefix( 'span', 'foo' );
$this->assertNodeListTextEquals( [ '1', '2' ], $nodes );
}
public function testFindElementsWithAttribute() {
$navigator = new DomNavigator(
'123' );
$nodes = $navigator->findElementsWithAttribute( 'span', 'class' );
$this->assertNodeListTextEquals( [ '1', '2' ], $nodes );
}
public function testClosest() {
$navigator = new DomNavigator(
'' );
$node = $navigator->getByXpath( "//*[@id = 'c']" );
$closest = $navigator->closest( $node, 'ul' );
$this->assertInstanceOf( DOMElement::class, $closest );
$this->assertEquals( 'a', $closest->getAttribute( 'id' ) );
$closest = $navigator->closest( $node, 'li' );
$this->assertInstanceOf( DOMElement::class, $closest );
$this->assertEquals( 'b', $closest->getAttribute( 'id' ) );
$closest = $navigator->closest( $node, 'span' );
$this->assertInstanceOf( DOMElement::class, $closest );
$this->assertEquals( 'c', $closest->getAttribute( 'id' ) );
$closest = $navigator->closest( $node, 'b' );
$this->assertNull( $closest );
}
public function testNextSibling() {
$navigator = new DomNavigator(
'1234
' );
$node = $navigator->getByXpath( "//*[@id = 'foo']" );
$nextSibling = $navigator->nextElementSibling( $node );
$this->assertInstanceOf( DOMElement::class, $nextSibling );
$this->assertEquals( 3, $nextSibling->textContent );
$navigator = new DomNavigator(
'12asd3
' );
$node = $navigator->getByXpath( "//*[@id = 'foo']" );
$nextSibling = $navigator->nextElementSibling( $node );
$this->assertInstanceOf( DOMElement::class, $nextSibling );
$this->assertEquals( 3, $nextSibling->textContent );
$navigator = new DomNavigator( '12' );
$node = $navigator->getByXpath( "//*[@id = 'foo']" );
$nextSibling = $navigator->nextElementSibling( $node );
$this->assertNull( $nextSibling );
}
/**
* Asserts the text of nodes in a result set agains strings in an array.
* @param array $expected
* @param \DomNodeList $nodes
* @param string $message
*/
protected function assertNodeListTextEquals(
array $expected, \DOMNodeList $nodes, $message = ''
) {
$this->assertEquals( count( $expected ), $nodes->length );
foreach ( $expected as $i => $text ) {
$this->assertEquals( $text, $nodes->item( $i )->textContent,
$message ?: "Failed to assert that text of node $i equals '$text'"
);
}
}
/**
* Asserts a given attribute of nodes in a result set agains strings in an array.
* @param string $attributeName
* @param array $expected
* @param \DomNodeList $nodes
* @param string $message
*/
protected function assertNodeListAttributeEquals(
$attributeName, array $expected, \DOMNodeList $nodes, $message = ''
) {
$this->assertEquals( count( $expected ), $nodes->length );
foreach ( $expected as $i => $attr ) {
$node = $nodes->item( $i );
$this->assertInstanceOf( DOMElement::class, $node );
$this->assertEquals( $attr, $node->getAttribute( $attributeName ), $message ?:
"Failed to assert that attribute '$attributeName' of node $i equals '$attr'" );
}
}
}