--- /dev/null
+<?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\Config\Tests\Resource;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Config\Resource\FileExistenceResource;
+
+class FileExistenceResourceTest extends TestCase
+{
+ protected $resource;
+ protected $file;
+ protected $time;
+
+ protected function setUp()
+ {
+ $this->file = realpath(sys_get_temp_dir()).'/tmp.xml';
+ $this->time = time();
+ $this->resource = new FileExistenceResource($this->file);
+ }
+
+ protected function tearDown()
+ {
+ if (file_exists($this->file)) {
+ unlink($this->file);
+ }
+ }
+
+ public function testToString()
+ {
+ $this->assertSame($this->file, (string) $this->resource);
+ }
+
+ public function testGetResource()
+ {
+ $this->assertSame($this->file, $this->resource->getResource(), '->getResource() returns the path to the resource');
+ }
+
+ public function testIsFreshWithExistingResource()
+ {
+ touch($this->file, $this->time);
+ $serialized = serialize(new FileExistenceResource($this->file));
+
+ $resource = unserialize($serialized);
+ $this->assertTrue($resource->isFresh($this->time), '->isFresh() returns true if the resource is still present');
+
+ unlink($this->file);
+ $resource = unserialize($serialized);
+ $this->assertFalse($resource->isFresh($this->time), '->isFresh() returns false if the resource has been deleted');
+ }
+
+ public function testIsFreshWithAbsentResource()
+ {
+ $serialized = serialize(new FileExistenceResource($this->file));
+
+ $resource = unserialize($serialized);
+ $this->assertTrue($resource->isFresh($this->time), '->isFresh() returns true if the resource is still absent');
+
+ touch($this->file, $this->time);
+ $resource = unserialize($serialized);
+ $this->assertFalse($resource->isFresh($this->time), '->isFresh() returns false if the resource has been created');
+ }
+}