Add data provider and test for form data normalization

Introduced a `dataProviderFormDataToNormalize` method to supply test cases for normalization. Added `testDataNormalization` to validate form data normalization and ensure consistency between normalized and denormalized data.

src/Bundle/ChillMainBundle/Test/Export/AbstractFilterTest.php

@@ -134,6 +134,40 @@ abstract class AbstractFilterTest extends KernelTestCase
      */
     abstract public static function getQueryBuilders();
 
+    /**
+     * A list of data to normalize.
+     *
+     * @return iterable{array}
+     */
+    public static function dataProviderFormDataToNormalize(): iterable
+    {
+        foreach (static::getFormData() as $data) {
+            yield [$data, 1, []];
+        }
+    }
+
+    /**
+     * @dataProvider dataProviderFormDataToNormalize
+     */
+    public function testDataNormalization(array $data, int $version, array $customAssert): void
+    {
+        $filter = $this->getFilter();
+
+        $normalized = $filter->normalizeFormData($data);
+        $actual = $filter->denormalizeFormData($normalized, $version);
+
+        self::assertEqualsCanonicalizing(array_keys($data), array_keys($actual));
+
+        foreach ($data as $key => $value) {
+            self::assertArrayHasKey($key, $actual);
+            if (array_key_exists($key, $customAssert)) {
+                call_user_func($customAssert[$key], $actual[$key], $value);
+            } else {
+                self::assertEquals($value, $actual[$key]);
+            }
+        }
+    }
+
     /**
      * Compare aliases array before and after that filter alter query.
      *