Fixed BC when validation rule not define. (#7596)

Author: xuanyanwow

src/Request/FormRequest.php

@@ -208,7 +208,7 @@ protected function getRules(): array
             foreach ($this->scenes[$scene] as $key => $value) {
                 if (is_string($key)) {
                     $result[$key] = $value;
-                } elseif (is_numeric($key) && is_string($value)) {
+                } elseif (is_numeric($key) && is_string($value) && isset($rules[$value])) {
                     $result[$value] = $rules[$value];
                 }
             }

tests/Cases/FormRequestTest.php

@@ -48,9 +48,11 @@ class FormRequestTest extends TestCase
 {
     protected function tearDown(): void
     {
+        parent::tearDown();
         Mockery::close();
         Context::set(ServerRequestInterface::class, null);
         Context::set('http.request.parsedData', null);
+        Context::set(ContainerInterface::class, null);
     }
 
     public function testRequestValidationData()
@@ -130,6 +132,14 @@ public function testRewriteRules()
         $invoker->scene('get');
         $rules = $invoker->getRules();
         $this->assertSame(['mobile' => 'string|required'], $rules);
+
+        $invoker->scene('not-exists-field-1');
+        $rules = $invoker->getRules();
+        $this->assertSame(['not-exists-field-1' => 'required'], $rules);
+
+        $invoker->scene('not-exists-field-2');
+        $rules = $invoker->getRules();
+        $this->assertSame([], $rules);
     }
 
     public function testSceneForFormRequest()
@@ -151,6 +161,7 @@ public function testSceneForFormRequest()
 
         $request = new FooSceneRequest($container);
         $res = $request->scene('info')->validated();
+
         $this->assertSame(['mobile' => '12345'], $res);
 
         wait(function () use ($request, $psrRequest) {

tests/Cases/Stub/FooSceneRequest.php

@@ -20,6 +20,8 @@ class FooSceneRequest extends FormRequest
         'save' => ['mobile', 'name'],
         'info' => ['mobile'],
         'get' => ['mobile' => 'string|required'],
+        'not-exists-field-1' => ['not-exists-field-1' => 'required'],
+        'not-exists-field-2' => ['not-exists-field-2'],
     ];
 
     public function authorize(): bool