feature #32026 [VarDumper] caster for HttpClient's response dumps all…

… info (nicolas-grekas)

This PR was merged into the 4.4 branch.

Discussion
----------

[VarDumper] caster for HttpClient's response dumps all info

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

No need to dump the internal structure for responses IMHO, here is a caster that dumps the info instead:

![image](https://user-images.githubusercontent.com/243674/59434490-efb5a280-8deb-11e9-8714-5f1ccbc208b1.png)

Commits
-------

2b26837 [VarDumper] caster for HttpClient's response dumps all info

src/Symfony/Component/VarDumper/Caster/SymfonyCaster.php

@@ -48,4 +48,16 @@ public static function castHttpClient($client, array $a, Stub $stub, $isNested)
 
         return $a;
     }
+
+    public static function castHttpClientResponse($response, array $a, Stub $stub, $isNested)
+    {
+        $stub->cut += \count($a);
+        $a = [];
+
+        foreach ($response->getInfo() + ['debug' => $response->getInfo('debug')] as $k => $v) {
+            $a[Caster::PREFIX_VIRTUAL.$k] = $v;
+        }
+
+        return $a;
+    }
 }

src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php

@@ -78,8 +78,8 @@ abstract class AbstractCloner implements ClonerInterface
         'Symfony\Component\DependencyInjection\ContainerInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
         'Symfony\Component\HttpClient\CurlHttpClient' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castHttpClient'],
         'Symfony\Component\HttpClient\NativeHttpClient' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castHttpClient'],
-        'Symfony\Component\HttpClient\Response\CurlResponse' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castHttpClient'],
-        'Symfony\Component\HttpClient\Response\NativeResponse' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castHttpClient'],
+        'Symfony\Component\HttpClient\Response\CurlResponse' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castHttpClientResponse'],
+        'Symfony\Component\HttpClient\Response\NativeResponse' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castHttpClientResponse'],
         'Symfony\Component\HttpFoundation\Request' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castRequest'],
         'Symfony\Component\VarDumper\Exception\ThrowingCasterException' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castThrowingCasterException'],
         'Symfony\Component\VarDumper\Caster\TraceStub' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castTraceStub'],