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CommunicatorTest.php
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CommunicatorTest.php
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<?php
/**
* OAI-PMH harvester factory integration test.
*
* PHP version 7
*
* Copyright (C) Villanova University 2022.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* @category VuFind
* @package Tests
* @author Demian Katz <demian.katz@villanova.edu>
* @author Ryan Jacobs <rjacobs@crl.edu>
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
* @link https://vufind.org/wiki/development
*/
namespace VuFindTest\Harvest\OaiPmh;
use Laminas\Http\Client;
use Symfony\Component\Console\Output\OutputInterface;
use VuFindHarvest\ConsoleOutput\ConsoleWriter;
use VuFindHarvest\OaiPmh\Communicator;
/**
* OAI-PMH communicator test.
*
* @category VuFind
* @package Tests
* @author Demian Katz <demian.katz@villanova.edu>
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
* @link https://vufind.org/wiki/development
*/
class CommunicatorTest extends \PHPUnit\Framework\TestCase
{
/**
* Get Communicator
*
* @param string $uri Base URI for OAI-PMH server
* @param Client $client HTTP client
*
* @return type
*/
protected function getCommunicator($uri, $client)
{
return new Communicator($uri, $client);
}
/**
* Test a simple communicator request.
*
* @return void
*/
public function testSimpleRequest()
{
$client = $this->getMockClient();
$expectedResponse = $this->getIdentifyResponse();
$response = $client->send();
$response->expects($this->once())
->method('isSuccess')
->will($this->returnValue(true));
$response->expects($this->once())
->method('getBody')
->will($this->returnValue($expectedResponse));
$uri = 'http://localhost';
$comm = $this->getCommunicator($uri, $client);
$this->assertEquals(
$expectedResponse,
$comm->request('Identify')
);
}
/**
* Test communicator request w/503 retry.
*
* @return void
*/
public function test503Retry()
{
$client = $this->getMockClient();
$expectedResponse = $this->getIdentifyResponse();
$response = $client->send();
$response->expects($this->once())
->method('isSuccess')
->will($this->returnValue(true));
$response->expects($this->exactly(4))
->method('getStatusCode')
->willReturnOnConsecutiveCalls(503, 503, 200, 200);
$response->expects($this->once())
->method('getBody')
->will($this->returnValue($expectedResponse));
$header = $this->getMockBuilder(\Laminas\Http\Header\RetryAfter::class)
->getMock();
$header->expects($this->once())
->method('getDeltaSeconds')
->will($this->returnValue(1));
$headers = $response->getHeaders();
$headers->expects($this->any())
->method('get')
->with($this->equalTo('Retry-After'))
->will($this->returnValue($header));
$uri = 'http://localhost';
$comm = $this->getCommunicator($uri, $client);
$mockOutput = $this->getMockBuilder(OutputInterface::class)
->disableOriginalConstructor()
->getMock();
$comm->setOutputWriter(new ConsoleWriter($mockOutput));
$mockOutput->expects($this->once())
->method('writeLn')
->with($this->equalTo('Received 503 response; waiting 1 seconds...'));
$this->assertEquals(
$expectedResponse,
$comm->request('Identify')
);
}
/**
* Test communicator HTTP error detection.
*
* @return void
*/
public function testHTTPErrorDetection()
{
$this->expectException(\Exception::class);
$this->expectExceptionMessage('HTTP Error');
$client = $this->getMockClient();
$response = $client->send();
$response->expects($this->once())
->method('isSuccess')
->will($this->returnValue(false));
$uri = 'http://localhost';
$comm = $this->getCommunicator($uri, $client);
$comm->request('Identify');
}
// Internal API
/**
* Get a sample Identify response
*
* @return string
*/
protected function getIdentifyResponse()
{
return '<?xml version="1.0"?><mock>Mock Data</mock>';
}
/**
* Get a fake HTTP client
*
* @return \Laminas\Http\Client
*/
protected function getMockClient()
{
$query = $this->getMockBuilder(\Laminas\Stdlib\Parameters::class)->getMock();
$request = $this->getMockBuilder(\Laminas\Http\Request::class)->getMock();
$request->expects($this->any())
->method('getQuery')
->will($this->returnValue($query));
$headers = $this->getMockBuilder(\Laminas\Http\Headers::class)->getMock();
$response = $this->getMockBuilder(\Laminas\Http\Response::class)->getMock();
$response->expects($this->any())
->method('getHeaders')
->will($this->returnValue($headers));
$client = $this->getMockBuilder(\Laminas\Http\Client::class)->getMock();
$client->expects($this->any())
->method('getRequest')
->will($this->returnValue($request));
$client->expects($this->any())
->method('setMethod')
->will($this->returnValue($client));
$client->expects($this->any())
->method('send')
->will($this->returnValue($response));
return $client;
}
}