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PHP7 SimpleFactory

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This commit is contained in:
Dominik Liebler
2016-09-22 15:05:25 +02:00
parent f4c9af503b
commit 370ce4dd93
9 changed files with 275 additions and 443 deletions
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12
Creational/SimpleFactory/Bicycle.php
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@@ -2,17 +2,9 @@
namespace DesignPatterns\Creational\SimpleFactory; namespace DesignPatterns\Creational\SimpleFactory;
/** class Bicycle
* Bicycle is a bicycle.
*/
class Bicycle implements VehicleInterface
{ {
/** public function driveTo(string $destination)
* @param mixed $destination
*
* @return mixed|void
*/
public function driveTo($destination)
{ {
} }
} }

14
Creational/SimpleFactory/README.rst
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@@ -6,11 +6,9 @@ Purpose
SimpleFactory is a simple factory pattern. SimpleFactory is a simple factory pattern.
It differs from the static factory because it is NOT static and as you It differs from the static factory because it is not static.
know: static => global => evil! Therefore, you can have multiple factories, differently parametrized, you can subclass it and you can mock it.
It always should be preferred over a static factory!
Therefore, you can have multiple factories, differently parametrized,
you can subclass it and you can mock-up it.
UML Diagram UML Diagram
----------- -----------
@@ -42,12 +40,6 @@ Bicycle.php
:language: php :language: php
:linenos: :linenos:
Scooter.php
.. literalinclude:: Scooter.php
:language: php
:linenos:
Usage Usage
----- -----

16
Creational/SimpleFactory/Scooter.php
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@@ -1,16 +0,0 @@
<?php
namespace DesignPatterns\Creational\SimpleFactory;
/**
* Scooter is a Scooter.
*/
class Scooter implements VehicleInterface
{
/**
* @param mixed $destination
*/
public function driveTo($destination)
{
}
}

38
Creational/SimpleFactory/SimpleFactory.php
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@@ -2,44 +2,10 @@
namespace DesignPatterns\Creational\SimpleFactory; namespace DesignPatterns\Creational\SimpleFactory;
/**
* class SimpleFactory.
*/
class SimpleFactory class SimpleFactory
{ {
/** public function createBicycle(): Bicycle
* @var array
*/
protected $typeList;
/**
* You can imagine to inject your own type list or merge with
* the default ones...
*/
public function __construct()
{ {
$this->typeList = array( return new Bicycle();
'bicycle' => __NAMESPACE__.'\Bicycle',
'other' => __NAMESPACE__.'\Scooter',
);
}
/**
* Creates a vehicle.
*
* @param string $type a known type key
*
* @throws \InvalidArgumentException
*
* @return VehicleInterface a new instance of VehicleInterface
*/
public function createVehicle($type)
{
if (!array_key_exists($type, $this->typeList)) {
throw new \InvalidArgumentException("$type is not valid vehicle");
}
$className = $this->typeList[$type];
return new $className();
} }
} }

35
Creational/SimpleFactory/Tests/SimpleFactoryTest.php
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@@ -4,40 +4,11 @@ namespace DesignPatterns\Creational\SimpleFactory\Tests;
use DesignPatterns\Creational\SimpleFactory\SimpleFactory; use DesignPatterns\Creational\SimpleFactory\SimpleFactory;
/**
* SimpleFactoryTest tests the Simple Factory pattern.
*/
class SimpleFactoryTest extends \PHPUnit_Framework_TestCase class SimpleFactoryTest extends \PHPUnit_Framework_TestCase
{ {
protected $factory; public function testCanCreateBicycle()
protected function setUp()
{ {
$this->factory = new SimpleFactory(); $bicycle = (new SimpleFactory())->createBicycle();
} $this->assertInstanceOf('DesignPatterns\Creational\SimpleFactory\Bicycle', $bicycle);
public function getType()
{
return array(
array('bicycle'),
array('other'),
);
}
/**
* @dataProvider getType
*/
public function testCreation($type)
{
$obj = $this->factory->createVehicle($type);
$this->assertInstanceOf('DesignPatterns\Creational\SimpleFactory\VehicleInterface', $obj);
}
/**
* @expectedException \InvalidArgumentException
*/
public function testBadType()
{
$this->factory->createVehicle('car');
} }
} }

16
Creational/SimpleFactory/VehicleInterface.php
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@@ -1,16 +0,0 @@
<?php
namespace DesignPatterns\Creational\SimpleFactory;
/**
* VehicleInterface is a contract for a vehicle.
*/
interface VehicleInterface
{
/**
* @param mixed $destination
*
* @return mixed
*/
public function driveTo($destination);
}

56
Creational/SimpleFactory/uml/SimpleFactory.uml
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@@ -1,36 +1,20 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<Diagram> <Diagram>
<ID>PHP</ID> <ID>PHP</ID>
<OriginalElement>\DesignPatterns\Creational\SimpleFactory\SimpleFactory</OriginalElement> <OriginalElement>\DesignPatterns\Creational\SimpleFactory\Bicycle</OriginalElement>
<nodes> <nodes>
<node x="173.0" y="97.0">\DesignPatterns\Creational\SimpleFactory\Scooter</node> <node x="0.0" y="0.0">\DesignPatterns\Creational\SimpleFactory\Bicycle</node>
<node x="0.0" y="189.0">\DesignPatterns\Creational\SimpleFactory\SimpleFactory</node> <node x="0.0" y="96.0">\DesignPatterns\Creational\SimpleFactory\SimpleFactory</node>
<node x="86.5" y="0.0">\DesignPatterns\Creational\SimpleFactory\VehicleInterface</node> </nodes>
<node x="0.0" y="97.0">\DesignPatterns\Creational\SimpleFactory\Bicycle</node> <notes />
</nodes> <edges />
<notes /> <settings layout="Hierarchic Group" zoom="1.0" x="60.0" y="51.5" />
<edges> <SelectedNodes />
<edge source="\DesignPatterns\Creational\SimpleFactory\Bicycle" target="\DesignPatterns\Creational\SimpleFactory\VehicleInterface"> <Categories>
<point x="0.0" y="-23.5" /> <Category>Methods</Category>
<point x="76.5" y="72.0" /> <Category>Constants</Category>
<point x="124.75" y="72.0" /> <Category>Fields</Category>
<point x="-38.25" y="23.5" /> </Categories>
</edge> <VISIBILITY>private</VISIBILITY>
<edge source="\DesignPatterns\Creational\SimpleFactory\Scooter" target="\DesignPatterns\Creational\SimpleFactory\VehicleInterface"> </Diagram>
<point x="0.0" y="-23.5" />
<point x="249.5" y="72.0" />
<point x="201.25" y="72.0" />
<point x="38.25" y="23.5" />
</edge>
</edges>
<settings layout="Hierarchic Group" zoom="1.0" x="163.0" y="139.0" />
<SelectedNodes />
<Categories>
<Category>Fields</Category>
<Category>Constants</Category>
<Category>Constructors</Category>
<Category>Methods</Category>
</Categories>
<VISIBILITY>private</VISIBILITY>
</Diagram>

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