feature #32543 [FrameworkBundle] add config translator cache_dir (Raulnet)

This PR was submitted for the 4.3 branch but it was squashed and merged into the 4.4 branch instead (closes #32543).

Discussion
----------

[FrameworkBundle] add config translator cache_dir

| Q             | A
| ------------- | ---
| Branch?       |  4.4 (be careful when merging)
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #32542
| License       | MIT

Now the parameter cache_dir of Translator constructor can be change or disable on config

```yaml
#framework.yaml
framework:
    ...
    translator:
        cache_dir: null #(cache disable)
    ...
```

Commits
-------

7613c7d1de [FrameworkBundle] add config translator cache_dir

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php

@@ -762,6 +762,7 @@ class Configuration implements ConfigurationInterface
                         ->end()
                         ->booleanNode('logging')->defaultValue(false)->end()
                         ->scalarNode('formatter')->defaultValue('translator.formatter.default')->end()
+                        ->scalarNode('cache_dir')->defaultValue('%kernel.cache_dir%/translations')->end()
                         ->scalarNode('default_path')
                             ->info('The default path used to load translations')
                             ->defaultValue('%kernel.project_dir%/translations')

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -1118,6 +1118,10 @@ class FrameworkExtension extends Extension
         $translator = $container->findDefinition('translator.default');
         $translator->addMethodCall('setFallbackLocales', [$config['fallbacks'] ?: [$defaultLocale]]);
 
+        $defaultOptions = $translator->getArgument(4);
+        $defaultOptions['cache_dir'] = $config['cache_dir'];
+        $translator->setArgument(4, $defaultOptions);
+
         $container->setParameter('translator.logging', $config['logging']);
         $container->setParameter('translator.default_path', $config['default_path']);
 

src/Symfony/Bundle/FrameworkBundle/Resources/config/schema/symfony-1.0.xsd

@@ -186,6 +186,7 @@
         <xsd:attribute name="fallback" type="xsd:string" />
         <xsd:attribute name="logging" type="xsd:boolean" />
         <xsd:attribute name="formatter" type="xsd:string" />
+        <xsd:attribute name="cache-dir" type="xsd:string" />
     </xsd:complexType>
 
     <xsd:complexType name="validation">

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/ConfigurationTest.php

@@ -241,6 +241,7 @@ class ConfigurationTest extends TestCase
             'translator' => [
                 'enabled' => !class_exists(FullStack::class),
                 'fallbacks' => [],
+                'cache_dir' => '%kernel.cache_dir%/translations',
                 'logging' => false,
                 'formatter' => 'translator.formatter.default',
                 'paths' => [],

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/full.php

@@ -46,6 +46,7 @@ $container->loadFromExtension('framework', [
         'enabled' => true,
         'fallback' => 'fr',
         'paths' => ['%kernel.project_dir%/Fixtures/translations'],
+        'cache_dir' => '%kernel.cache_dir%/translations',
     ],
     'validation' => [
         'enabled' => true,

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/translator_cache_dir_disabled.php

@@ -0,0 +1,7 @@
+<?php
+
+$container->loadFromExtension('framework', [
+    'translator' => [
+        'cache_dir' => null,
+    ],
+]);

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/full.xml

@@ -26,7 +26,7 @@
             </framework:format>
         </framework:request>
         <framework:assets version="v1" />
-        <framework:translator enabled="true" fallback="fr" logging="true">
+        <framework:translator enabled="true" fallback="fr" logging="true" cache-dir="%kernel.cache_dir%/translations">
             <framework:path>%kernel.project_dir%/Fixtures/translations</framework:path>
         </framework:translator>
         <framework:validation enabled="true" />

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/translator_cache_dir_disabled.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" ?>
+
+<container xmlns="http://symfony.com/schema/dic/services"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:framework="http://symfony.com/schema/dic/symfony"
+    xsi:schemaLocation="http://symfony.com/schema/dic/services https://symfony.com/schema/dic/services/services-1.0.xsd
+                        http://symfony.com/schema/dic/symfony https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
+
+    <framework:config secret="s3cr3t">
+        <framework:translator enabled="true" fallback="fr" logging="true" cache-dir="null" />
+    </framework:config>
+</container>

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/yml/full.yml

@@ -36,6 +36,7 @@ framework:
         enabled:  true
         fallback: fr
         default_path: '%kernel.project_dir%/translations'
+        cache_dir: '%kernel.cache_dir%/translations'
         paths: ['%kernel.project_dir%/Fixtures/translations']
     validation:
         enabled: true

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/yml/translator_cache_dir_disabled.yml

@@ -0,0 +1,3 @@
+framework:
+    translator:
+        cache_dir: ~

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php

@@ -51,11 +51,11 @@ use Symfony\Component\Serializer\Normalizer\DateTimeNormalizer;
 use Symfony\Component\Serializer\Normalizer\JsonSerializableNormalizer;
 use Symfony\Component\Serializer\Serializer;
 use Symfony\Component\Translation\DependencyInjection\TranslatorPass;
-use Symfony\Component\Translation\TranslatorInterface;
 use Symfony\Component\Validator\DependencyInjection\AddConstraintValidatorsPass;
 use Symfony\Component\Validator\Mapping\Loader\PropertyInfoLoader;
 use Symfony\Component\Validator\Util\LegacyTranslatorProxy;
 use Symfony\Component\Workflow;
+use Symfony\Contracts\Translation\TranslatorInterface;
 
 abstract class FrameworkExtensionTest extends TestCase
 {
@@ -783,6 +783,9 @@ abstract class FrameworkExtensionTest extends TestCase
         $this->assertEquals('translator.default', (string) $container->getAlias('translator'), '->registerTranslatorConfiguration() redefines translator service from identity to real translator');
         $options = $container->getDefinition('translator.default')->getArgument(4);
 
+        $this->assertArrayHasKey('cache_dir', $options);
+        $this->assertSame($container->getParameter('kernel.cache_dir').'/translations', $options['cache_dir']);
+
         $files = array_map('realpath', $options['resource_files']['en']);
         $ref = new \ReflectionClass('Symfony\Component\Validator\Validation');
         $this->assertContains(
@@ -853,6 +856,13 @@ abstract class FrameworkExtensionTest extends TestCase
         $this->assertEquals(['en', 'fr'], $calls[1][1][0]);
     }
 
+    public function testTranslatorCacheDirDisabled()
+    {
+        $container = $this->createContainerFromFile('translator_cache_dir_disabled');
+        $options = $container->getDefinition('translator.default')->getArgument(4);
+        $this->assertNull($options['cache_dir']);
+    }
+
     /**
      * @group legacy
      */