Assert that the fixture CSS file is readable

tijsverkoyen · Dec 21, 2024 · 777f8df · 777f8df
1 parent 0b47df1
commit 777f8df
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/tests/Css/ProcessorTest.php b/tests/Css/ProcessorTest.php
@@ -94,7 +94,9 @@ public function testCssWithMediaQueries(): void
 
     public function testCssWithBigMediaQueries(): void
     {
-        $rules = $this->processor->getRules(file_get_contents(__DIR__.'/test.css'));
+        $css = file_get_contents(__DIR__.'/test.css');
+        $this->assertIsString($css, 'The fixture CSS file should be readable.');
+        $rules = $this->processor->getRules($css);
 
         $this->assertCount(414, $rules);
     }