feat: improves feedback when test misses description

src/Exceptions/TestDescriptionMissing.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Exceptions;
+
+use InvalidArgumentException;
+use NunoMaduro\Collision\Contracts\RenderlessEditor;
+use NunoMaduro\Collision\Contracts\RenderlessTrace;
+use Symfony\Component\Console\Exception\ExceptionInterface;
+
+/**
+ * @internal
+ */
+final class TestDescriptionMissing extends InvalidArgumentException implements ExceptionInterface, RenderlessEditor, RenderlessTrace
+{
+    /**
+     * Creates a new Exception instance.
+     */
+    public function __construct(string $fileName)
+    {
+        parent::__construct(sprintf('Test misses description in the filename `%s`.', $fileName));
+    }
+}

src/Factories/TestCaseFactory.php

@@ -8,6 +8,7 @@ use ParseError;
 use Pest\Concerns;
 use Pest\Contracts\HasPrintableTestCaseName;
 use Pest\Exceptions\DatasetMissing;
+use Pest\Exceptions\TestDescriptionMissing;
 use Pest\Exceptions\ShouldNotHappen;
 use Pest\Exceptions\TestAlreadyExist;
 use Pest\Factories\Concerns\HigherOrderable;
@@ -224,7 +225,7 @@ final class TestCaseFactory
     public function addMethod(TestCaseMethodFactory $method): void
     {
         if ($method->description === null) {
-            throw ShouldNotHappen::fromMessage('The test description may not be empty.');
+            throw new TestDescriptionMissing($method->filename);
         }
 
         if (array_key_exists($method->description, $this->methods)) {