symfony
diff --git a/‎.github/PULL_REQUEST_TEMPLATE.md
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diff --git a/‎src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
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+4-1Lines changed: 4 additions & 1 deletion
diff --git a/‎src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/ConfigurationTest.php
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diff --git a/‎src/Symfony/Component/HttpFoundation/Test/Constraint/ResponseCookieValueSame.php
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diff --git a/‎src/Symfony/Component/HttpFoundation/Tests/Test/Constraint/ResponseCookieValueSameTest.php
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+8Lines changed: 8 additions & 0 deletions b/‎src/Symfony/Component/HttpFoundation/Tests/Test/Constraint/ResponseCookieValueSameTest.php
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@@ -4,7 +4,7 @@
 | Bug fix?      | yes/no
 | New feature?  | yes/no <!-- please update src/**/CHANGELOG.md files -->
 | Deprecations? | yes/no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
-| Tickets       | Fix #... <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->
+| Tickets       | Fix #... <!-- prefix each issue number with "Fix #", no need to create an issue if none exists, explain below instead -->
 | License       | MIT
 | Doc PR        | symfony/symfony-docs#... <!-- required for new features -->
 <!--
 
@@ -1275,12 +1275,15 @@ private function addLockSection(ArrayNodeDefinition $rootNode, callable $enableI
                         })
                     ->end()
                     ->addDefaultsIfNotSet()
+                    ->validate()
+                        ->ifTrue(static function (array $config) { return $config['enabled'] && !$config['resources']; })
+                        ->thenInvalid('At least one resource must be defined.')
+                    ->end()
                     ->fixXmlConfig('resource')
                     ->children()
                         ->arrayNode('resources')
                             ->normalizeKeys(false)
                             ->useAttributeAsKey('name')
-                            ->requiresAtLeastOneElement()
                             ->defaultValue(['default' => [class_exists(SemaphoreStore::class) && SemaphoreStore::isSupported() ? 'semaphore' : 'flock']])
                             ->beforeNormalization()
                                 ->ifString()->then(function ($v) { return ['default' => $v]; })
 
@@ -365,6 +365,31 @@ public function testItErrorsWhenDefaultBusDoesNotExist()
         ]);
     }
 
+    public function testLockCanBeDisabled()
+    {
+        $processor = new Processor();
+        $configuration = new Configuration(true);
+
+        $config = $processor->processConfiguration($configuration, [
+            ['lock' => ['enabled' => false]],
+        ]);
+
+        $this->assertFalse($config['lock']['enabled']);
+    }
+
+    public function testEnabledLockNeedsResources()
+    {
+        $processor = new Processor();
+        $configuration = new Configuration(true);
+
+        $this->expectException(InvalidConfigurationException::class);
+        $this->expectExceptionMessage('Invalid configuration for path "framework.lock": At least one resource must be defined.');
+
+        $processor->processConfiguration($configuration, [
+            ['lock' => ['enabled' => true]],
+        ]);
+    }
+
     protected static function getBundleDefaultConfig()
     {
         return [
 
@@ -59,7 +59,7 @@ protected function matches($response): bool
             return false;
         }
 
-        return $this->value === $cookie->getValue();
+        return $this->value === (string) $cookie->getValue();
     }
 
     /**
 
@@ -41,4 +41,12 @@ public function testConstraint()
 
         $this->fail();
     }
+
+    public function testCookieWithNullValueIsComparedAsEmptyString()
+    {
+        $response = new Response();
+        $response->headers->setCookie(Cookie::create('foo', null, 0, '/path'));
+
+        $this->assertTrue((new ResponseCookieValueSame('foo', '', '/path'))->evaluate($response, '', true));
+    }
 }
Original file line number	Diff line number	Diff line change
`@@ -59,7 +59,7 @@ protected function matches($response): bool`
`59`	`59`	`return false;`
`60`	`60`	`}`
`61`	`61`
`62`		`- return $this->value === $cookie->getValue();`
	`62`	`+ return $this->value === (string) $cookie->getValue();`
`63`	`63`	`}`
`64`	`64`
`65`	`65`	`/**`
Original file line number	Diff line number	Diff line change
`@@ -41,4 +41,12 @@ public function testConstraint()`
`41`	`41`
`42`	`42`	`$this->fail();`
`43`	`43`	`}`
	`44`	`+`
	`45`	`+ public function testCookieWithNullValueIsComparedAsEmptyString()`
	`46`	`+ {`
	`47`	`+ $response = new Response();`
	`48`	`+ $response->headers->setCookie(Cookie::create('foo', null, 0, '/path'));`
	`49`	`+`
	`50`	`+ $this->assertTrue((new ResponseCookieValueSame('foo', '', '/path'))->evaluate($response, '', true));`
	`51`	`+ }`
`44`	`52`	`}`