🐛 fix sorting only

src/Filter.php

@@ -25,17 +25,13 @@ public function __construct(
      * Perform actual filtering. You need to pass an identifying name.
      * You'll get an array with name of fields as keys and the filtered values
      * as values (except for "_sort" key, which holds info for sorting).
-     * You need to call saveFilter() before calling this method.
      *
      * @return array<string, mixed>
      */
     public function filter(string $name): array
     {
         $filter = [];
         $fname = $name.$this->getSession()->getId();
-        if (!isset($this->forms[$fname])) {
-            throw new \UnexpectedValueException(\sprintf('No filter found for "%s". Did you call saveFilter()?', $name));
-        }
         /** @var array<string, mixed>|null $values */
         $values = $this->getSession()->get('filter.'.$name);
         if (null !== $values) {

tests/FilterTest.php

@@ -29,12 +29,6 @@ protected function setUp(): void
         $this->filter = new Filter($this->factory, $stack);
     }
 
-    public function testFilterWithoutSaveFilterShouldThrowException(): void
-    {
-        $this->expectException(\UnexpectedValueException::class);
-        $this->filter->filter('foo');
-    }
-
     public function testFilter(): void
     {
         $this->filter->saveFilter(StubFormType::class, 'foo');
@@ -79,7 +73,6 @@ public function testFormViewWithoutPreviousForm(): void
     public function testSort(): void
     {
         $this->filter->sort('foo', 'bar');
-        $this->filter->saveFilter(StubFormType::class, 'foo');
         $filter = $this->filter->filter('foo');
         self::assertArrayHasKey('_sort', $filter);
     }