Add mock client factory for test purpose.

ClientFactory/MockFactory.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Http\HttplugBundle\ClientFactory;
+
+use Http\Mock\Client;
+
+/**
+ * @author Gary PEGEOT <[email protected]>
+ */
+class MockFactory implements ClientFactory
+{
+    /**
+     * @var Client
+     */
+    private $client;
+
+    /**
+     * @param Client $client
+     */
+    public function setClient(Client $client)
+    {
+        $this->client = $client;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function createClient(array $config = [])
+    {
+        if (!class_exists('Http\Mock\Client')) {
+            throw new \LogicException('To use the mock adapter you need to install the "php-http/mock-client" package.');
+        }
+
+        return $this->client ?: new Client();
+    }
+}

DependencyInjection/HttplugExtension.php

@@ -106,6 +106,16 @@ private function configureClients(ContainerBuilder $container, array $config)
                 $container->setAlias('httplug.client.default', 'httplug.client.'.$first);
             }
         }
+
+        $mockClass = 'Http\Mock\Client';
+        $mockServiceId = 'httplug.client.mock';
+
+        if (\class_exists($mockClass) && !$container->has($mockServiceId)) {
+            $container->register($mockServiceId, $mockClass)->setPublic($container->getParameter('kernel.debug'));
+
+            $container->findDefinition('httplug.factory.mock')
+                ->addMethodCall('setClient', [new Reference($mockServiceId)]);
+        }
     }
 
     /**

Resources/config/services.xml

@@ -68,5 +68,6 @@
         <service id="httplug.factory.socket" class="Http\HttplugBundle\ClientFactory\SocketFactory" public="false">
             <argument type="service" id="httplug.message_factory"/>
         </service>
+        <service id="httplug.factory.mock" class="Http\HttplugBundle\ClientFactory\MockFactory" public="false" />
     </services>
 </container>

Tests/Unit/ClientFactory/MockFactoryTest.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * This file is part of the HttplugBundle package.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Http\HttplugBundle\Tests\Unit\ClientFactory;
+
+use Http\HttplugBundle\ClientFactory\MockFactory;
+use Http\Mock\Client;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @author Gary PEGEOT <[email protected]>
+ */
+class MockFactoryTest extends TestCase
+{
+    public function testCreateClient()
+    {
+        $factory = new MockFactory();
+        $client = $factory->createClient();
+
+        $this->assertInstanceOf(Client::class, $client);
+
+        $client = new Client();
+
+        $factory->setClient($client);
+
+        $this->assertEquals($client, $factory->createClient());
+    }
+}

Tests/Unit/DependencyInjection/HttplugExtensionTest.php

@@ -134,6 +134,7 @@ public function testClientPlugins()
             $this->assertContainerBuilderHasService($id);
         }
         $this->assertContainerBuilderHasServiceDefinitionWithArgument('httplug.client.acme', 1, $pluginReferences);
+        $this->assertContainerBuilderHasService('httplug.client.mock');
     }
 
     /**