--- /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\Loader;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Config\Loader\LoaderResolver;
+use Symfony\Component\Config\Loader\DelegatingLoader;
+
+class DelegatingLoaderTest extends TestCase
+{
+ public function testConstructor()
+ {
+ $loader = new DelegatingLoader($resolver = new LoaderResolver());
+ $this->assertTrue(true, '__construct() takes a loader resolver as its first argument');
+ }
+
+ public function testGetSetResolver()
+ {
+ $resolver = new LoaderResolver();
+ $loader = new DelegatingLoader($resolver);
+ $this->assertSame($resolver, $loader->getResolver(), '->getResolver() gets the resolver loader');
+ $loader->setResolver($resolver = new LoaderResolver());
+ $this->assertSame($resolver, $loader->getResolver(), '->setResolver() sets the resolver loader');
+ }
+
+ public function testSupports()
+ {
+ $loader1 = $this->getMockBuilder('Symfony\Component\Config\Loader\LoaderInterface')->getMock();
+ $loader1->expects($this->once())->method('supports')->will($this->returnValue(true));
+ $loader = new DelegatingLoader(new LoaderResolver(array($loader1)));
+ $this->assertTrue($loader->supports('foo.xml'), '->supports() returns true if the resource is loadable');
+
+ $loader1 = $this->getMockBuilder('Symfony\Component\Config\Loader\LoaderInterface')->getMock();
+ $loader1->expects($this->once())->method('supports')->will($this->returnValue(false));
+ $loader = new DelegatingLoader(new LoaderResolver(array($loader1)));
+ $this->assertFalse($loader->supports('foo.foo'), '->supports() returns false if the resource is not loadable');
+ }
+
+ public function testLoad()
+ {
+ $loader = $this->getMockBuilder('Symfony\Component\Config\Loader\LoaderInterface')->getMock();
+ $loader->expects($this->once())->method('supports')->will($this->returnValue(true));
+ $loader->expects($this->once())->method('load');
+ $resolver = new LoaderResolver(array($loader));
+ $loader = new DelegatingLoader($resolver);
+
+ $loader->load('foo');
+ }
+
+ /**
+ * @expectedException \Symfony\Component\Config\Exception\FileLoaderLoadException
+ */
+ public function testLoadThrowsAnExceptionIfTheResourceCannotBeLoaded()
+ {
+ $loader = $this->getMockBuilder('Symfony\Component\Config\Loader\LoaderInterface')->getMock();
+ $loader->expects($this->once())->method('supports')->will($this->returnValue(false));
+ $resolver = new LoaderResolver(array($loader));
+ $loader = new DelegatingLoader($resolver);
+
+ $loader->load('foo');
+ }
+}