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vendor/symfony/cache/Tests/Adapter/ChainAdapterTest.php

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+<?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\Cache\Tests\Adapter;
+
+use PHPUnit\Framework\MockObject\MockObject;
+use Symfony\Component\Cache\Adapter\AdapterInterface;
+use Symfony\Component\Cache\Adapter\ArrayAdapter;
+use Symfony\Component\Cache\Adapter\ChainAdapter;
+use Symfony\Component\Cache\Adapter\FilesystemAdapter;
+use Symfony\Component\Cache\PruneableInterface;
+use Symfony\Component\Cache\Tests\Fixtures\ExternalAdapter;
+
+/**
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ * @group time-sensitive
+ */
+class ChainAdapterTest extends AdapterTestCase
+{
+    public function createCachePool($defaultLifetime = 0, $testMethod = null)
+    {
+        if ('testGetMetadata' === $testMethod) {
+            return new ChainAdapter([new FilesystemAdapter('', $defaultLifetime)], $defaultLifetime);
+        }
+
+        return new ChainAdapter([new ArrayAdapter($defaultLifetime), new ExternalAdapter(), new FilesystemAdapter('', $defaultLifetime)], $defaultLifetime);
+    }
+
+    public function testEmptyAdaptersException()
+    {
+        $this->expectException('Symfony\Component\Cache\Exception\InvalidArgumentException');
+        $this->expectExceptionMessage('At least one adapter must be specified.');
+        new ChainAdapter([]);
+    }
+
+    public function testInvalidAdapterException()
+    {
+        $this->expectException('Symfony\Component\Cache\Exception\InvalidArgumentException');
+        $this->expectExceptionMessage('The class "stdClass" does not implement');
+        new ChainAdapter([new \stdClass()]);
+    }
+
+    public function testPrune()
+    {
+        if (isset($this->skippedTests[__FUNCTION__])) {
+            $this->markTestSkipped($this->skippedTests[__FUNCTION__]);
+        }
+
+        $cache = new ChainAdapter([
+            $this->getPruneableMock(),
+            $this->getNonPruneableMock(),
+            $this->getPruneableMock(),
+        ]);
+        $this->assertTrue($cache->prune());
+
+        $cache = new ChainAdapter([
+            $this->getPruneableMock(),
+            $this->getFailingPruneableMock(),
+            $this->getPruneableMock(),
+        ]);
+        $this->assertFalse($cache->prune());
+    }
+
+    /**
+     * @return MockObject|PruneableCacheInterface
+     */
+    private function getPruneableMock()
+    {
+        $pruneable = $this
+            ->getMockBuilder(PruneableCacheInterface::class)
+            ->getMock();
+
+        $pruneable
+            ->expects($this->atLeastOnce())
+            ->method('prune')
+            ->willReturn(true);
+
+        return $pruneable;
+    }
+
+    /**
+     * @return MockObject|PruneableCacheInterface
+     */
+    private function getFailingPruneableMock()
+    {
+        $pruneable = $this
+            ->getMockBuilder(PruneableCacheInterface::class)
+            ->getMock();
+
+        $pruneable
+            ->expects($this->atLeastOnce())
+            ->method('prune')
+            ->willReturn(false);
+
+        return $pruneable;
+    }
+
+    /**
+     * @return MockObject|AdapterInterface
+     */
+    private function getNonPruneableMock()
+    {
+        return $this
+            ->getMockBuilder(AdapterInterface::class)
+            ->getMock();
+    }
+}
+
+interface PruneableCacheInterface extends PruneableInterface, AdapterInterface
+{
+}