Throttle plugin configuration documentation

Author: Maxim Solovev

.github/workflows/continuous-integration.yml

@@ -43,7 +43,7 @@ jobs:
           - dependencies: "php-http/guzzle7-adapter"
             php-version: "8.2"
             symfony-deprecations-helper: "weak"
-          - dependencies: "php-http/guzzle7-adapter"
+          - dependencies: "php-http/guzzle7-adapter php-http/throttle-plugin"
             php-version: "8.3"
             symfony-deprecations-helper: "weak"
 

src/DependencyInjection/Configuration.php

@@ -630,12 +630,21 @@ private function addSharedPluginNodes(ArrayNodeDefinition $pluginNode, $disableA
             ->addDefaultsIfNotSet()
             ->children()
                 ->scalarNode('name')
-                    ->info('The name of the configured symfony/rate-limiter to use')
                     ->isRequired()
+                    ->info('Rate limiter service name from symfony/rate-limiter configuration. E.g. for a rate limiter http_client you specify limiter.http_client here')
+                ->end()
+                ->scalarNode('key')
+                    ->defaultNull()
+                    ->info('Key to avoid sharing this rate limiter with other clients or other services. You can use the name of the client for example.')
+                ->end()
+                ->integerNode('tokens')
+                    ->defaultValue(1)
+                    ->info('How many tokens spending per request')
+                ->end()
+                ->floatNode('max_time')
+                    ->defaultNull()
+                    ->info('Maximum accepted waiting time in seconds')
                 ->end()
-                ->scalarNode('key')->defaultNull()->end()
-                ->integerNode('tokens')->defaultValue(1)->end()
-                ->floatNode('max_time')->defaultNull()->end()
             ->end()
         ->end();
         // End throttle plugin

src/DependencyInjection/HttplugExtension.php

@@ -299,13 +299,14 @@ private function configurePluginByName($name, Definition $definition, array $con
                     throw new InvalidConfigurationException('You need to require the Throttle Plugin to be able to use it: "composer require php-http/throttle-plugin".');
                 }
 
+                $limiterServiceId = $serviceId.'.'.$config['name'];
                 $container
-                    ->register($serviceId.$config['name'], LimiterInterface::class)
-                    ->setFactory([new Reference('limiter.'.$config['name']), 'create'])
+                    ->register($limiterServiceId, LimiterInterface::class)
+                    ->setFactory([new Reference($config['name']), 'create'])
                     ->addArgument($config['key'])
                     ->setPublic(false);
 
-                $definition->replaceArgument(0, new Reference($serviceId.$config['name']));
+                $definition->replaceArgument(0, new Reference($limiterServiceId));
                 $definition->setArgument('$tokens', $config['tokens']);
                 $definition->setArgument('$maxTime', $config['max_time']);
 

tests/Unit/DependencyInjection/HttplugExtensionTest.php

@@ -5,6 +5,7 @@
 namespace Http\HttplugBundle\Tests\Unit\DependencyInjection;
 
 use Http\Adapter\Guzzle7\Client;
+use Http\Client\Common\Plugin\ThrottlePlugin;
 use Http\Client\HttpClient;
 use Http\Client\Plugin\Vcr\Recorder\InMemoryRecorder;
 use Http\HttplugBundle\Collector\PluginClientFactoryListener;
@@ -79,7 +80,7 @@ public function testConfigLoadService(): void
 
     public function testClientPlugins(): void
     {
-        $this->load([
+        $config = [
             'clients' => [
                 'acme' => [
                     'factory' => 'httplug.factory.curl',
@@ -130,6 +131,11 @@ public function testClientPlugins(): void
                                 'headers' => ['X-FOO'],
                             ],
                         ],
+                        [
+                            'query_defaults' => [
+                                'parameters' => ['locale' => 'en'],
+                            ],
+                        ],
                         [
                             'request_seekable_body' => [
                                 'use_file_buffer' => true,
@@ -138,11 +144,6 @@ public function testClientPlugins(): void
                         [
                             'response_seekable_body' => true,
                         ],
-                        [
-                            'query_defaults' => [
-                                'parameters' => ['locale' => 'en'],
-                            ],
-                        ],
                         [
                             'authentication' => [
                                 'my_basic' => [
@@ -165,7 +166,16 @@ public function testClientPlugins(): void
                     ],
                 ],
             ],
-        ]);
+        ];
+        if (class_exists(ThrottlePlugin::class)) {
+            $config['clients']['acme']['plugins'][] = [
+                'throttle' => [
+                    'name' => 'limiter.test',
+                ],
+            ];
+        }
+
+        $this->load($config);
 
         $plugins = [
             'httplug.client.acme.plugin.decoder',
@@ -178,13 +188,16 @@ public function testClientPlugins(): void
             'httplug.client.acme.plugin.header_defaults',
             'httplug.client.acme.plugin.header_set',
             'httplug.client.acme.plugin.header_remove',
+            'httplug.client.acme.plugin.query_defaults',
             'httplug.client.acme.plugin.request_seekable_body',
             'httplug.client.acme.plugin.response_seekable_body',
-            'httplug.client.acme.plugin.query_defaults',
             'httplug.client.acme.authentication.my_basic',
             'httplug.client.acme.plugin.cache',
             'httplug.client.acme.plugin.error',
         ];
+        if (\class_exists(ThrottlePlugin::class)) {
+            $plugins[] = 'httplug.client.acme.plugin.throttle';
+        }
         $pluginReferences = array_map(function ($id) {
             return new Reference($id);
         }, $plugins);