chore: add exception message for invalid path value

Author: KristianH

src/Domain/Value/Link.php

@@ -72,7 +72,7 @@ public function __construct(array $values)
         Assert::keyExists($values, 'path');
 
         if (null !== $values['path']) {
-            $path = TrimmedNonEmptyString::fromString($values['path'])->toString();
+            $path = TrimmedNonEmptyString::fromString($values['path'], 'The value of key "path" is invalid.')->toString();
         }
 
         $this->path = $path ?? null;

tests/Unit/Domain/Value/LinkTest.php

@@ -14,6 +14,8 @@
 
 namespace Storyblok\Api\Tests\Unit\Domain\Value;
 
+use Ergebnis\DataProvider\StringProvider;
+use PHPUnit\Framework\Attributes\DataProviderExternal;
 use PHPUnit\Framework\Attributes\Test;
 use PHPUnit\Framework\TestCase;
 use Storyblok\Api\Domain\Value\Link;
@@ -153,6 +155,19 @@ public function pathKeyMustExist(): void
         new Link($values);
     }
 
+    #[DataProviderExternal(StringProvider::class, 'blank')]
+    #[DataProviderExternal(StringProvider::class, 'empty')]
+    #[Test]
+    public function pathMustBeValidString(string $value): void
+    {
+        $values = self::faker()->linkResponse(['path' => $value]);
+
+        self::expectExceptionMessage('The value of key "path" is invalid.');
+        self::expectException(\InvalidArgumentException::class);
+
+        new Link($values);
+    }
+
     #[Test]
     public function isFolder(): void
     {