PHP7 Chain Of Responsibilities

This commit is contained in:
Dominik Liebler
2016-09-22 12:17:22 +02:00
parent ea8c91ac68
commit 2b4b3beeff
10 changed files with 178 additions and 226 deletions

View File

@@ -2,80 +2,50 @@
namespace DesignPatterns\Behavioral\ChainOfResponsibilities\Tests;
use DesignPatterns\Behavioral\ChainOfResponsibilities\Request;
use DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible;
use DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\FastStorage;
use DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\SlowStorage;
use DesignPatterns\Behavioral\ChainOfResponsibilities\Handler;
use DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\HttpInMemoryCacheHandler;
use DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\SlowDatabaseHandler;
/**
* ChainTest tests the CoR.
*/
class ChainTest extends \PHPUnit_Framework_TestCase
{
/**
* @var FastStorage
* @var Handler
*/
protected $chain;
private $chain;
protected function setUp()
{
$this->chain = new FastStorage(array('bar' => 'baz'));
$this->chain->append(new SlowStorage(array('bar' => 'baz', 'foo' => 'bar')));
}
public function makeRequest()
{
$request = new Request();
$request->verb = 'get';
return array(
array($request),
$this->chain = new HttpInMemoryCacheHandler(
['/foo/bar?index=1' => 'Hello In Memory!'],
new SlowDatabaseHandler()
);
}
/**
* @dataProvider makeRequest
*/
public function testFastStorage($request)
public function testCanRequestKeyInFastStorage()
{
$request->key = 'bar';
$ret = $this->chain->handle($request);
$uri = $this->createMock('Psr\Http\Message\UriInterface');
$uri->method('getPath')->willReturn('/foo/bar');
$uri->method('getQuery')->willReturn('index=1');
$this->assertTrue($ret);
$this->assertObjectHasAttribute('response', $request);
$this->assertEquals('baz', $request->response);
// despite both handle owns the 'bar' key, the FastStorage is responding first
$className = 'DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\FastStorage';
$this->assertEquals($className, $request->forDebugOnly);
$request = $this->createMock('Psr\Http\Message\RequestInterface');
$request->method('getMethod')
->willReturn('GET');
$request->method('getUri')->willReturn($uri);
$this->assertEquals('Hello In Memory!', $this->chain->handle($request));
}
/**
* @dataProvider makeRequest
*/
public function testSlowStorage($request)
public function testCanRequestKeyInSlowStorage()
{
$request->key = 'foo';
$ret = $this->chain->handle($request);
$uri = $this->createMock('Psr\Http\Message\UriInterface');
$uri->method('getPath')->willReturn('/foo/baz');
$uri->method('getQuery')->willReturn('');
$this->assertTrue($ret);
$this->assertObjectHasAttribute('response', $request);
$this->assertEquals('bar', $request->response);
// FastStorage has no 'foo' key, the SlowStorage is responding
$className = 'DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\SlowStorage';
$this->assertEquals($className, $request->forDebugOnly);
}
$request = $this->createMock('Psr\Http\Message\RequestInterface');
$request->method('getMethod')
->willReturn('GET');
$request->method('getUri')->willReturn($uri);
/**
* @dataProvider makeRequest
*/
public function testFailure($request)
{
$request->key = 'kurukuku';
$ret = $this->chain->handle($request);
$this->assertFalse($ret);
// the last responsible :
$className = 'DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\SlowStorage';
$this->assertEquals($className, $request->forDebugOnly);
$this->assertEquals('Hello World!', $this->chain->handle($request));
}
}