_urlMock = $this->createMock(\Magento\Framework\UrlInterface::class); $this->_urlCoder = new \Magento\Framework\Encryption\UrlCoder($this->_urlMock); } public function testDecode() { $this->_urlMock->expects( $this->once() )->method( 'sessionUrlVar' )->with( $this->_url )->will( $this->returnValue('expected') ); $this->assertEquals('expected', $this->_urlCoder->decode($this->_encodeUrl)); } public function testEncode() { $this->assertEquals($this->_encodeUrl, $this->_urlCoder->encode($this->_url)); } }