/**
* @test
*/
function iteration()
{
$reader = new XMLReaderStub('<!-- comment --><root><child></child></root>');
$it = new XMLChildElementIterator($reader);
$this->assertEquals(false, $it->valid());
$this->assertSame(null, $it->valid());
$it->rewind();
$this->assertEquals(true, $it->valid());
$this->assertEquals('child', $it->current()->getName());
$it->next();
$this->assertEquals(false, $it->valid());
$reader = new XMLReaderStub('<root><none></none><one><child></child></one><none></none></root>');
$base = new XMLElementIterator($reader);
$base->rewind();
$root = $base->current();
$this->assertEquals('root', $root->getName());
$children = $root->getChildElements();
$this->assertEquals('root', $reader->name);
$children->rewind();
$this->assertEquals('none', $reader->name);
$children->next();
$this->assertEquals('one', $reader->name);
$childChildren = new XMLChildElementIterator($reader);
$this->assertEquals('child', $childChildren->current()->getName());
$childChildren->next();
$this->assertEquals(false, $childChildren->valid());
$this->assertEquals('none', $reader->name);
$childChildren->next();
$this->assertEquals('none', $reader->name);
$this->assertEquals(true, $children->valid());
$children->next();
$this->assertEquals(false, $children->valid());
// children w/o descendants
$reader->rewind();
$expected = array('none', 'one', 'none');
$root = $base->current();
$this->assertEquals('root', $root->getName());
$index = 0;
$count = 0;
foreach ($root->getChildElements() as $index => $child) {
$this->assertSame($count++, $index);
$this->assertEquals($expected[$index], $reader->name);
}
$this->assertEquals(count($expected), $count);
// children w/ descendants
$reader->rewind();
$expected = array('none', 'one', 'child', 'none');
$root = $base->current();
$this->assertEquals('root', $root->getName());
$index = 0;
$count = 0;
foreach ($root->getChildElements(null, true) as $index => $child) {
$this->assertSame($count++, $index);
$this->assertEquals($expected[$index], $reader->name);
}
$this->assertEquals(count($expected), $count);
}
/**
* @test
*/
function expand()
{
$reader = new XMLReaderStub('<products>
<!--suppress HtmlUnknownAttribute -->
<product category="Desktop">
<name> Desktop 1 (d)</name>
<price>499.99</price>
</product>
<!--suppress HtmlUnknownAttribute -->
<product category="Tablet">
<name>Tablet 1 (t)</name>
<price>1099.99</price>
</product>
</products>');
$products = new XMLElementIterator($reader, 'product');
$doc = new DOMDocument();
$xpath = new DOMXpath($doc);
foreach ($products as $product) {
$node = $product->expand($doc);
$this->assertInstanceOf('DOMNode', $node);
$this->assertSame($node->ownerDocument, $doc);
$this->assertEquals('product', $xpath->evaluate('local-name(.)', $node));
$this->addToAssertionCount(1);
}
$this->assertGreaterThan(0, $previous = $this->getNumAssertions());
unset($doc);
$reader->rewind();
foreach ($products as $product) {
$node = $product->expand();
$this->assertInstanceOf('DOMNode', $node);
$this->assertInstanceOf('DOMDocument', $node->ownerDocument);
$doc = $node->ownerDocument;
$xpath = new DOMXpath($doc);
$this->assertSame($node->ownerDocument, $doc);
$this->assertEquals('product', $xpath->evaluate('local-name(.)', $node));
$this->addToAssertionCount(1);
}
$this->assertGreaterThan($previous, $this->getNumAssertions());
}
