diff --git a/app/Services/Parsers/BelgaHomepageParser.php b/app/Services/Parsers/BelgaHomepageParser.php
index f5374c65..cd8e112a 100644
--- a/app/Services/Parsers/BelgaHomepageParser.php
+++ b/app/Services/Parsers/BelgaHomepageParser.php
@@ -6,6 +6,9 @@ class BelgaHomepageParser
 {
     private const ARTICLE_URL_TEMPLATE = 'https://www.belganewsagency.eu/press-releases/%s/';
 
+    /**
+     * @return array<int, string>
+     */
     public static function extractArticleUrls(string $json): array
     {
         $decoded = json_decode($json, true);
@@ -16,8 +19,8 @@ public static function extractArticleUrls(string $json): array
 
         return collect($decoded['data'])
             ->pluck('id')
-            ->filter(fn ($id) => is_int($id) || (is_string($id) && ctype_digit($id)))
-            ->map(fn ($id) => sprintf(self::ARTICLE_URL_TEMPLATE, $id))
+            ->filter(fn($id) => is_int($id) || (is_string($id) && ctype_digit($id)))
+            ->map(fn($id) => sprintf(self::ARTICLE_URL_TEMPLATE, $id))
             ->unique()
             ->values()
             ->toArray();
diff --git a/tests/Unit/Services/ArticleFetcherBelgaTest.php b/tests/Unit/Services/ArticleFetcherBelgaTest.php
index 3b319a5b..8442dc05 100644
--- a/tests/Unit/Services/ArticleFetcherBelgaTest.php
+++ b/tests/Unit/Services/ArticleFetcherBelgaTest.php
@@ -22,7 +22,11 @@ class ArticleFetcherBelgaTest extends TestCase
 
     private function apiResponse(): string
     {
-        return file_get_contents(__DIR__.'/../../Fixtures/belga-pressreleases.json');
+        $contents = file_get_contents(__DIR__.'/../../Fixtures/belga-pressreleases.json');
+
+        $this->assertNotFalse($contents, 'Belga fixture could not be read.');
+
+        return $contents;
     }
 
     private function belgaFeed(): Feed
diff --git a/tests/Unit/Services/Parsers/BelgaHomepageParserTest.php b/tests/Unit/Services/Parsers/BelgaHomepageParserTest.php
index 04be29cf..7fd3b933 100644
--- a/tests/Unit/Services/Parsers/BelgaHomepageParserTest.php
+++ b/tests/Unit/Services/Parsers/BelgaHomepageParserTest.php
@@ -10,7 +10,19 @@ class BelgaHomepageParserTest extends TestCase
 {
     private function fixture(): string
     {
-        return file_get_contents(__DIR__.'/../../../Fixtures/belga-pressreleases.json');
+        $contents = file_get_contents(__DIR__.'/../../../Fixtures/belga-pressreleases.json');
+
+        $this->assertNotFalse($contents, 'Belga fixture could not be read.');
+
+        return $contents;
+    }
+
+    /**
+     * @param  array<int, array<string, mixed>>  $data
+     */
+    private function jsonWith(array $data): string
+    {
+        return (string) json_encode(['data' => $data]);
     }
 
     public function test_extracts_article_urls_from_api_json(): void
@@ -24,12 +36,12 @@ public function test_extracts_article_urls_from_api_json(): void
 
     public function test_deduplicates_urls(): void
     {
-        $json = json_encode(['data' => [
+        $json = $this->jsonWith([
             ['id' => 100],
             ['id' => 100],
             ['id' => '100'],
             ['id' => 101],
-        ]]);
+        ]);
 
         $urls = BelgaHomepageParser::extractArticleUrls($json);
 
@@ -55,13 +67,13 @@ public function test_returns_empty_array_when_data_key_missing_or_empty(): void
 
     public function test_skips_entries_without_usable_id(): void
     {
-        $json = json_encode(['data' => [
+        $json = $this->jsonWith([
             ['id' => 200],
             ['id' => null],
             ['publishDate' => '2026-08-01T06:24:19'],
             ['id' => 'not-numeric'],
             ['id' => 201],
-        ]]);
+        ]);
 
         $urls = BelgaHomepageParser::extractArticleUrls($json);