BrowZine covers: skip over default images.

module/VuFind/src/VuFind/Content/Covers/BrowZine.php

@@ -32,6 +32,8 @@
 use VuFindSearch\Backend\BrowZine\Command\LookupIssnsCommand;
 use VuFindSearch\Service;
 
+use function in_array;
+
 /**
  * BrowZine cover content loader.
  *
@@ -44,20 +46,19 @@
 class BrowZine extends \VuFind\Content\AbstractCover
 {
     /**
-     * Search service
+     * Cover image URLs to ignore (we don't want to display third-party generic images).
      *
-     * @var Service
+     * @var string[]
      */
-    protected $searchService;
+    protected $ignoreList = ['https://assets.thirdiron.com/default-journal-cover.png'];
 
     /**
      * Constructor
      *
      * @param Service $searchService Search service
      */
-    public function __construct(Service $searchService)
+    public function __construct(protected Service $searchService)
     {
-        $this->searchService = $searchService;
         $this->supportsIssn = true;
     }
 
@@ -82,6 +83,7 @@ public function getUrl($key, $size, $ids)
 
         $command = new LookupIssnsCommand('BrowZine', $ids['issn']);
         $result = $this->searchService->invoke($command)->getResult();
-        return $result['data'][0]['coverImageUrl'] ?? false;
+        $url = $result['data'][0]['coverImageUrl'] ?? false;
+        return ($url && in_array($url, $this->ignoreList)) ? false : $url;
     }
 }

module/VuFind/tests/fixtures/browzine/cover-default.json

@@ -0,0 +1 @@
+{"data":[{"id":1,"type":"journals","title":"Default Cover Journal","issn":"12345678","sjrValue":0,"coverImageUrl":"https:\/\/assets.thirdiron.com\/default-journal-cover.png","browzineEnabled":false,"externalLink":"https:\/\/fake-external-link.com"}]}

module/VuFind/tests/fixtures/browzine/cover-non-default.json

@@ -0,0 +1 @@
+{"data":[{"id":1,"type":"journals","title":"Non-default Cover Journal","issn":"12345678","sjrValue":0,"coverImageUrl":"https:\/\/assets.thirdiron.com\/simulated-real-cover.png","browzineEnabled":false,"externalLink":"https:\/\/fake-external-link.com"}]}

module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/BrowZineTest.php

@@ -0,0 +1,92 @@
+<?php
+
+/**
+ * Unit tests for BrowZine cover loader.
+ *
+ * PHP version 8
+ *
+ * Copyright (C) Villanova University 2025.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category VuFind
+ * @package  Tests
+ * @author   Demian Katz <demian.katz@villanova.edu>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link     https://vufind.org
+ */
+
+namespace VuFindTest\Content\Covers;
+
+use VuFind\Content\Covers\BrowZine;
+
+/**
+ * Unit tests for BrowZine cover loader.
+ *
+ * @category VuFind
+ * @package  Tests
+ * @author   Demian Katz <demian.katz@villanova.edu>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link     https://vufind.org
+ */
+class BrowZineTest extends \PHPUnit\Framework\TestCase
+{
+    use \VuFindTest\Feature\FixtureTrait;
+
+    /**
+     * Data provider for testCoverLoading.
+     *
+     * @return array[]
+     */
+    public static function coverProvider(): array
+    {
+        return [
+            'no issn' => [[], null, false],
+            'default cover' => [['issn' => '12345678'], 'browzine/cover-default.json', false],
+            'non-default cover' => [
+                ['issn' => '12345678'],
+                'browzine/cover-non-default.json',
+                'https://assets.thirdiron.com/simulated-real-cover.png',
+            ],
+        ];
+    }
+
+    /**
+     * Test cover loading
+     *
+     * @param array       $ids      Array of IDs to look up
+     * @param ?string     $fixture  Fixture to return from backend
+     * @param string|bool $expected Expected cover URL
+     *
+     * @return void
+     *
+     * @dataProvider coverProvider
+     */
+    public function testCoverLoading(array $ids, ?string $fixture, string|bool $expected): void
+    {
+        $service = $this->createMock(\VuFindSearch\Service::class);
+        if ($fixture) {
+            $service->method('invoke')->willReturnCallback(
+                function ($command) use ($fixture, $ids) {
+                    $this->assertEquals([$ids['issn']], $command->getArguments());
+                    $fakeCommand = $this->createMock($command::class);
+                    $fakeCommand->method('getResult')->willReturn($this->getJsonFixture($fixture));
+                    return $fakeCommand;
+                }
+            );
+        }
+        $loader = new BrowZine($service);
+        $this->assertEquals($expected, $loader->getUrl('', 'small', $ids));
+    }
+}