Adds missing test

Author: raphaelstolt

src/Glob.php

@@ -64,21 +64,23 @@ public static function glob($pattern, $flags = 0, $forceFallback = false)
      * @param int $flags
      * @return array
      */
-    public static function globArray(string $pattern, array $array, int $flags = FNM_CASEFOLD)
+    public static function globArray(string $pattern, array $array, int $flags = FNM_CASEFOLD): array
     {
         $pattern = \str_replace(['{', '}'], '', $pattern);
 
         $patternParts = \explode(',', $pattern);
 
-        foreach ($patternParts as $index => $patternPart) {
-            $matches[] = \array_filter($array, function ($val) use ($patternPart, $flags) {
-                return \fnmatch($patternPart, $val, $flags);
+        foreach ($patternParts as $patternPart) {
+            $matches[] = \array_filter($array, function ($value) use ($patternPart, $flags) {
+                return \fnmatch($patternPart, $value, $flags);
             });
         }
 
         $excludes = [];
-        foreach ($matches as $index => $value) {
-            $excludes[] = \array_values($value)[0];
+        foreach ($matches as $match) {
+            if (\count(\array_values($match)) > 0) {
+                $excludes[] = \array_values($match)[0];
+            }
         }
 
         return $excludes;

tests/GlobTest.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Stolt\LeanPackage\Tests;
+
+use PHPUnit\Framework\Attributes\Test;
+use Stolt\LeanPackage\Glob;
+
+class GlobTest extends TestCase
+{
+    #[Test]
+    public function globArrayWorksAsExpected(): void
+    {
+        $expectedResult = ['README.md', 'LICENSE.md', 'docs/'];
+
+        $actualResult = Glob::globArray(
+            '{READ*.md,LICENSE.md,docs*}',
+            ['spec.dist.yml', 'phpunit.dist.xml', 'README.md', 'LICENSE.md', 'docs/']
+        );
+        $this->assertEquals($expectedResult, $actualResult);
+
+        $actualResult = Glob::globArray(
+            '{composer.lock}',
+            ['spec.dist.yml', 'phpunit.dist.xml', 'README.md', 'LICENSE.md', 'docs/']
+        );
+        $this->assertEquals([], $actualResult);
+    }
+}