public function testGetXpath() { $xpath = $this->getMockBuilder('DomXpath')->disableOriginalConstructor()->getMock(); $xpathManager = $this->getMock('Saml\\Ecp\\Soap\\XpathManager'); $xpathManager->expects($this->once())->method('getXpath')->with($this->isInstanceOf('DomDocument'))->will($this->returnValue($xpath)); $this->_message->setXpathManager($xpathManager); $this->assertSame($xpath, $this->_message->getXpath()); }