Tries to retrieve the next node or returns false
| public getNodeFrom ( Prewk\XmlStringStreamer\StreamInterface $stream ) : string | boolean | ||
| $stream | Prewk\XmlStringStreamer\StreamInterface | The stream to use |
| return | string | boolean | The next xml node or false if one could not be retrieved |
public function test_multiple_roots()
{
$node1 = <<<eot
<child>
<foo baz="attribute" />
<bar/>
<index>1</index>
</child>
eot;
$node2 = <<<eot
<child>
<foo baz="attribute" />
<bar/>
<index>2</index>
</child>
eot;
$node3 = <<<eot
<child>
<foo baz="attribute" />
<bar/>
<index>3</index>
</child>
eot;
$node4 = <<<eot
<child>
<foo baz="attribute" />
<bar/>
<index>3</index>
</child>
eot;
$xml = <<<eot
<?xml version="1.0"?>
<root-a>
{$node1}
{$node2}
</root-a>
<root-b>
{$node3}
{$node4}
</root-b>
eot;
$stream = $this->getStreamMock($xml, 50);
$parser = new UniqueNode(array("uniqueNode" => "child"));
$this->assertEquals(trim($node1), trim($parser->getNodeFrom($stream)), "Node 1 should be obtained on the first getNodeFrom from root-a");
$this->assertEquals(trim($node2), trim($parser->getNodeFrom($stream)), "Node 2 should be obtained on the second getNodeFrom from root-a");
$this->assertEquals(trim($node3), trim($parser->getNodeFrom($stream)), "Node 3 should be obtained on the third getNodeFrom from root-b");
$this->assertEquals(trim($node4), trim($parser->getNodeFrom($stream)), "Node 4 should be obtained on the third getNodeFrom from root-b");
$this->assertFalse(false, "When no nodes are left, false should be returned");
}
public function test_sibling_nodes()
{
$node1 = <<<eot
<child>
<foo baz="attribute" />
<bar/>
<index>1</index>
</child>
eot;
$node3 = <<<eot
<child>
<foo baz="attribute" />
<bar/>
<index>1</index>
{$node1}
{$node1}
</child>
eot;
$node2 = <<<eot
<child>
<foo baz="attribute" />
<bar/>
<index>1</index>
{$node3}
{$node1}
</child>
eot;
$xml = <<<eot
<?xml version="1.0"?>
<root>
{$node2}
</root>
eot;
$stream = $this->getStreamMock($xml, 50);
$parser = new UniqueNode(array("uniqueNode" => "child", "ignoreNestedNodes" => true));
$node = $parser->getNodeFrom($stream);
$this->assertEquals(trim($node2), trim($node), "Nested siblings should be ignored");
}
