First commit

vendor/symfony/finder/Tests/Iterator/IteratorTestCase.php

@@ -0,0 +1,100 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use PHPUnit\Framework\TestCase;
+
+abstract class IteratorTestCase extends TestCase
+{
+    protected function assertIterator($expected, \Traversable $iterator)
+    {
+        // set iterator_to_array $use_key to false to avoid values merge
+        // this made FinderTest::testAppendWithAnArray() fail with GnuFinderAdapter
+        $values = array_map(function (\SplFileInfo $fileinfo) { return str_replace('/', DIRECTORY_SEPARATOR, $fileinfo->getPathname()); }, iterator_to_array($iterator, false));
+
+        $expected = array_map(function ($path) { return str_replace('/', DIRECTORY_SEPARATOR, $path); }, $expected);
+
+        sort($values);
+        sort($expected);
+
+        $this->assertEquals($expected, array_values($values));
+    }
+
+    protected function assertOrderedIterator($expected, \Traversable $iterator)
+    {
+        $values = array_map(function (\SplFileInfo $fileinfo) { return $fileinfo->getPathname(); }, iterator_to_array($iterator));
+
+        $this->assertEquals($expected, array_values($values));
+    }
+
+    /**
+     *  Same as assertOrderedIterator, but checks the order of groups of
+     *  array elements.
+     *
+     *  @param array $expected - an array of arrays. For any two subarrays
+     *      $a and $b such that $a goes before $b in $expected, the method
+     *      asserts that any element of $a goes before any element of $b
+     *      in the sequence generated by $iterator
+     *  @param \Traversable $iterator
+     */
+    protected function assertOrderedIteratorForGroups($expected, \Traversable $iterator)
+    {
+        $values = array_values(array_map(function (\SplFileInfo $fileinfo) { return $fileinfo->getPathname(); }, iterator_to_array($iterator)));
+
+        foreach ($expected as $subarray) {
+            $temp = array();
+            while (count($values) && count($temp) < count($subarray)) {
+                $temp[] = array_shift($values);
+            }
+            sort($temp);
+            sort($subarray);
+            $this->assertEquals($subarray, $temp);
+        }
+    }
+
+    /**
+     * Same as IteratorTestCase::assertIterator with foreach usage.
+     *
+     * @param array        $expected
+     * @param \Traversable $iterator
+     */
+    protected function assertIteratorInForeach($expected, \Traversable $iterator)
+    {
+        $values = array();
+        foreach ($iterator as $file) {
+            $this->assertInstanceOf('Symfony\\Component\\Finder\\SplFileInfo', $file);
+            $values[] = $file->getPathname();
+        }
+
+        sort($values);
+        sort($expected);
+
+        $this->assertEquals($expected, array_values($values));
+    }
+
+    /**
+     * Same as IteratorTestCase::assertOrderedIterator with foreach usage.
+     *
+     * @param array        $expected
+     * @param \Traversable $iterator
+     */
+    protected function assertOrderedIteratorInForeach($expected, \Traversable $iterator)
+    {
+        $values = array();
+        foreach ($iterator as $file) {
+            $this->assertInstanceOf('Symfony\\Component\\Finder\\SplFileInfo', $file);
+            $values[] = $file->getPathname();
+        }
+
+        $this->assertEquals($expected, array_values($values));
+    }
+}