public function testExtensionTag()
{
$tag = Phake::mock('Spipu\\Html2Pdf\\Tag\\TagInterface');
Phake::when($tag)->getName()->thenReturn('test_tag');
$extension = Phake::mock('Spipu\\Html2Pdf\\Extension\\ExtensionInterface');
Phake::when($extension)->getName()->thenReturn('test');
Phake::when($extension)->getTags()->thenReturn(array($tag));
$this->html2pdf->addExtension($extension);
$this->html2pdf->writeHTML('<test_tag/>');
Phake::verify($tag)->open;
Phake::verify($tag, Phake::times(2))->close;
// TODO Html2Pdf should probably call this only one time
}
