Fix unittest to handle page model

Author: zonky2

src/Filter/FilterUrlBuilder.php

@@ -195,9 +195,10 @@ public function addFromCurrentRequest(FilterUrl $filterUrl, array $options = nul
         $length    = $pageModel->urlSuffix ? -\strlen($pageModel->urlSuffix) : null;
         $start     = ($pageModel->urlPrefix ? \strlen($pageModel->urlPrefix . '/') : 0)
                      + \strlen($pageModel->alias . '/');
-        $fragments = \explode('/', \substr($requestUri, $start, $length));
+        $slicedUri = \substr($requestUri, $start, $length);
+        $fragments = '' !== $slicedUri ? \explode('/', $slicedUri) : [];
 
-        if (1 === \count($fragments) % 2) {
+        if (!empty($fragments) && 1 === \count($fragments) % 2) {
             \array_unshift($fragments, 'auto_item');
         }
         \array_unshift($fragments, $pageModel->alias);

tests/Filter/FilterUrlBuilderTest.php

@@ -72,9 +72,10 @@ public static function generateProvider(): array
                     'parameters' => '/auto/slug/sluggy',
                     'get-param'  => 'get-value',
                 ],
-                'page'               => fn ($test) => $test->mockPage([
-                    'id'    => 42,
-                ]),
+                'page'               => fn ($test) => $test->mockPage(
+                    ['id' => 42, 'alias' => 'alias', 'urlSuffix' => '.html'],
+                    ['id' => 42]
+                ),
                 'get'                => [
                     'get2' => 'value',
                 ],
@@ -160,7 +161,7 @@ public function testGeneratesNonStandardPorts(): void
             new Request(
                 ['get-param' => 'get-value'],
                 [],
-                ['pageModel' => $this->mockPage(['alias' => 'folder/page', 'id' => 42])],
+                ['pageModel' => $this->mockPage(['alias' => 'folder/page', 'id' => 42, 'urlSuffix' => '.html'])],
                 [],
                 [],
                 [
@@ -191,13 +192,13 @@ private function mockRequestStack(array $requestGet, string $requestUrl, PageMod
         return $requestStack;
     }
 
-    private function mockPage(array $data): PageModel
+    private function mockPage(array $data, array $rowData = null): PageModel
     {
         $mock = $this->getMockBuilder(PageModel::class)->disableOriginalConstructor()->getMock();
         $mock->method('__get')->willReturnCallback(
             fn (string $name) => $data[$name] ?? null
         );
-        $mock->method('row')->willReturn($data);
+        $mock->method('row')->willReturn($rowData ?? $data);
 
         return $mock;
     }