bug #16822 [FrameworkBundle][Validator] Fix apc cache service deprecation (ogizanagi)

This PR was merged into the 2.8 branch.

Discussion
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[FrameworkBundle][Validator] Fix apc cache service deprecation

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | yes
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Related to #16795

I guess the deprecation was on the wrong service.
Also, no deprecation notice was triggered about using `"apc"` as the value of the `framework.validation.cache` configuration option. This PR adds the missing deprecation.

> 📝 _NOTE_: The standard edition will need to be updated [here](https://github.com/symfony/symfony-standard/blob/2.8/app/config/config_prod.yml#L6).

Commits
-------

907bbec [FrameworkBundle][Validator] Fix apc cache service deprecation

Author: fabpot

DependencyInjection/Configuration.php

@@ -645,7 +645,15 @@ private function addValidationSection(ArrayNodeDefinition $rootNode)
                         ->scalarNode('cache')
                             ->beforeNormalization()
                                 // Can be removed in 3.0, once ApcCache support is dropped
-                                ->ifString()->then(function ($v) { return 'apc' === $v ? 'validator.mapping.cache.apc' : $v; })
+                                ->ifString()->then(function ($v) {
+                                    if ('apc' === $v) {
+                                        @trigger_error('The ability to pass "apc" as the framework.validation.cache configuration key value is deprecated since version 2.8 and will be removed in 3.0. Use the "validator.mapping.cache.doctrine.apc" service id instead.', E_USER_DEPRECATED);
+
+                                        return 'validator.mapping.cache.apc';
+                                    }
+
+                                    return $v;
+                                })
                             ->end()
                         ->end()
                         ->booleanNode('enable_annotations')->defaultFalse()->end()

Resources/config/validator.xml

@@ -37,6 +37,7 @@
 
         <service id="validator.mapping.cache.apc" class="%validator.mapping.cache.apc.class%" public="false">
             <argument>%validator.mapping.cache.prefix%</argument>
+            <deprecated>The "%service_id%" service is deprecated since Symfony 2.5 and will be removed in 3.0.</deprecated>
         </service>
 
         <service id="validator.mapping.cache.doctrine.apc" class="Symfony\Component\Validator\Mapping\Cache\DoctrineCache" public="false">
@@ -47,7 +48,6 @@
                     </call>
                 </service>
             </argument>
-            <deprecated>The "%service_id%" service is deprecated since Symfony 2.8 and will be removed in 3.0.</deprecated>
         </service>
 
         <service id="validator.validator_factory" class="%validator.validator_factory.class%" public="false">

Tests/DependencyInjection/Fixtures/php/full.php

@@ -55,7 +55,7 @@
     ),
     'validation' => array(
         'enabled' => true,
-        'cache' => 'apc',
+        'cache' => 'validator.mapping.cache.doctrine.apc',
     ),
     'annotations' => array(
         'cache' => 'file',

Tests/DependencyInjection/Fixtures/xml/full.xml

@@ -37,7 +37,7 @@
         <framework:translator enabled="true" fallback="fr" logging="true">
             <framework:path>%kernel.root_dir%/Fixtures/translations</framework:path>
         </framework:translator>
-        <framework:validation enabled="true" cache="apc" />
+        <framework:validation enabled="true" cache="validator.mapping.cache.doctrine.apc" />
         <framework:annotations cache="file" debug="true" file-cache-dir="%kernel.cache_dir%/annotations" />
         <framework:serializer enabled="true" enable-annotations="true" cache="serializer.mapping.cache.apc" name-converter="serializer.name_converter.camel_case_to_snake_case" />
     </framework:config>

Tests/DependencyInjection/Fixtures/yml/full.yml

@@ -43,7 +43,7 @@ framework:
         paths: ['%kernel.root_dir%/Fixtures/translations']
     validation:
         enabled: true
-        cache:   apc
+        cache:   validator.mapping.cache.doctrine.apc
     annotations:
         cache:   file
         debug:   true

Tests/DependencyInjection/FrameworkExtensionTest.php

@@ -295,7 +295,7 @@ public function testValidation()
         $this->assertSame('addMethodMapping', $calls[4][0]);
         $this->assertSame(array('loadValidatorMetadata'), $calls[4][1]);
         $this->assertSame('setMetadataCache', $calls[5][0]);
-        $this->assertEquals(array(new Reference('validator.mapping.cache.apc')), $calls[5][1]);
+        $this->assertEquals(array(new Reference('validator.mapping.cache.doctrine.apc')), $calls[5][1]);
     }
 
     /**