the Regex constraint is resolvable (#1591)

* the Regex constraint is resolvable

* Add a test case

* Update ParamFetcherController.php

Author: xabbuh

Tests/Functional/Bundle/TestBundle/Controller/ParamFetcherController.php

@@ -23,13 +23,13 @@
 class ParamFetcherController extends FOSRestController
 {
     /**
-     * @RequestParam(name="raw", requirements=@IdenticalTo({"foo"="raw", "bar"="foo"}), default="invalid")
-     * @RequestParam(name="map", map=true, requirements=@IdenticalTo({"foo"="map", "foobar"="foo"}), default="%invalid2% %%")
-     * @RequestParam(name="bar", map=true, requirements="%bar% foo", strict=true)
+     * @RequestParam(name="raw", requirements=@IdenticalTo({"foo"="raw", "bar"="foo"}), default="invalid", strict=false)
+     * @RequestParam(name="map", map=true, requirements=@IdenticalTo({"foo"="map", "foobar"="foo"}), default="%invalid2% %%", strict=false)
+     * @RequestParam(name="bar", nullable=true, requirements="%bar%\ foo")
      */
     public function paramsAction(ParamFetcherInterface $fetcher)
     {
-        return new JsonResponse($fetcher->all(false));
+        return new JsonResponse($fetcher->all());
     }
 
     /**

Tests/Functional/ParamFetcherTest.php

@@ -50,23 +50,9 @@ public function testValidMapParameter()
             'foo' => $this->validMap,
             'bar' => $this->validMap,
         ];
-        $this->client->request('POST', '/params', ['raw' => 'bar', 'map' => $map]);
+        $this->client->request('POST', '/params', ['raw' => 'bar', 'map' => $map, 'bar' => 'bar foo']);
 
-        $this->assertEquals(['raw' => 'invalid', 'map' => $map, 'bar' => null], $this->getData());
-    }
-
-    public function testFooParameter()
-    {
-        $value = ['bar foo', 'bar foo'];
-        $this->client->request('POST', '/params', ['foo' => $value]);
-
-        $map = array(
-            'foo' => $this->validMap,
-            'bar' => $this->validMap,
-        );
-        $this->client->request('POST', '/params', array('raw' => 'bar', 'map' => $map));
-
-        $this->assertEquals(array('raw' => 'invalid', 'map' => $map, 'bar' => null), $this->getData());
+        $this->assertEquals(['raw' => 'invalid', 'map' => $map, 'bar' => 'bar foo'], $this->getData());
     }
 
     public function testWithSubRequests()

Validator/Constraints/Regex.php

@@ -20,7 +20,7 @@
  *
  * @author Ener-Getick <[email protected]>
  */
-class Regex extends BaseRegex
+class Regex extends BaseRegex implements ResolvableConstraintInterface
 {
     use ResolverTrait;