Add concept of factory

Author: 1blankz7

README.md

@@ -1 +1,13 @@
-# php-object-graph-generator
+# PHP Object Graph Generator
+
+This library helps you creating randomly populated object graphs inside your domain.
+
+## Installation
+
+```
+composer install cubicl/php-object-graph-generator
+```
+
+## Usage
+
+Support for factories, factory methods and constructor calls.

src/FactoryInterface.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Cubicl\ObjectGraphGenerator;
+
+use Cubicl\ObjectGraphGenerator\ObjectGraphGenerator;
+use Faker\Generator;
+
+interface FactoryInterface
+{
+    public function __invoke(ObjectGraphGenerator $objectGraphGenerator, Generator $faker): object;
+}

src/ObjectGraphGenerator.php

@@ -22,9 +22,9 @@ class ObjectGraphGenerator
 
     private PropertyInfoExtractor $propertyInfo;
 
-    private array $registry = [];
+    private array $registry;
 
-    public function __construct()
+    public function __construct(array $registry = [])
     {
         $this->fakerInstance = Factory::create();
 
@@ -33,6 +33,7 @@ public function __construct()
         $typeExtractors      = [$phpDocExtractor, $reflectionExtractor];
         $this->propertyInfo  = new PropertyInfoExtractor([], $typeExtractors, [], [], []);
         $this->fakerInstance->seed(self::DEFAULT_SEED);
+        $this->registry = $registry;
     }
 
     public function generateWithSeed(string $className, int $seed): object
@@ -146,6 +147,6 @@ private function isInRegistry(string $key): bool
 
     private function getFromRegistry(string $key)
     {
-        return $this->registry[$key]();
+        return $this->registry[$key]($this, $this->fakerInstance);
     }
 }

tests/Fixture/Factory/SelfReferencingObjectsFactory.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Cubicl\ObjectGraphGenerator\Tests\Fixture\Factory;
+
+use Cubicl\ObjectGraphGenerator\FactoryInterface;
+use Cubicl\ObjectGraphGenerator\ObjectGraphGenerator;
+use Cubicl\ObjectGraphGenerator\Tests\Fixture\SelfReferencingObjects;
+use Faker\Generator;
+
+class SelfReferencingObjectsFactory implements FactoryInterface
+{
+    public function __invoke(ObjectGraphGenerator $objectGraphGenerator, Generator $faker): SelfReferencingObjects
+    {
+        return new SelfReferencingObjects(null, 1);
+    }
+}

tests/Fixture/SimpleTypesInConstructor.php

@@ -7,14 +7,21 @@
 class SimpleTypesInConstructor
 {
     private int $foo;
+    private bool $bar;
 
-    public function __construct(int $foo)
+    public function __construct(int $foo, bool $bar)
     {
         $this->foo = $foo;
+        $this->bar = $bar;
     }
 
     public function getFoo(): int
     {
         return $this->foo;
     }
+
+    public function isBar(): bool
+    {
+        return $this->bar;
+    }
 }

tests/ObjectGraphGeneratorTest.php

@@ -6,6 +6,7 @@
 
 use Cubicl\ObjectGraphGenerator\ObjectGraphGenerator;
 use Cubicl\ObjectGraphGenerator\Tests\Fixture\CircularReferenceObjectA;
+use Cubicl\ObjectGraphGenerator\Tests\Fixture\Factory\SelfReferencingObjectsFactory;
 use Cubicl\ObjectGraphGenerator\Tests\Fixture\SelfReferencingObjects;
 use Cubicl\ObjectGraphGenerator\Tests\Fixture\SimpleTypesInConstructor;
 use Cubicl\ObjectGraphGenerator\Tests\Fixture\SimpleTypesInCreateMethod;
@@ -39,6 +40,9 @@ public function dataForTest(): array
 
     private function getUnitUnderTest(): ObjectGraphGenerator
     {
-        return new ObjectGraphGenerator();
+        return new ObjectGraphGenerator([
+            SelfReferencingObjects::class => new SelfReferencingObjectsFactory(),
+            'Cubicl\ObjectGraphGenerator\Tests\Fixture\SimpleTypesInConstructor:bar' => function () {return false;},
+        ]);
     }
 }