add tests for propagator batching

tests/lib/Files/Cache/PropagatorTest.php

@@ -0,0 +1,125 @@
+<?php
+/**
+ * Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace Test\Files\Cache;
+
+use OC\Files\Storage\Temporary;
+use OCP\Files\Cache\ICacheEntry;
+use OCP\Files\Storage\IStorage;
+use Test\TestCase;
+
+/**
+ * @group DB
+ */
+class PropagatorTest extends TestCase {
+	/** @var  IStorage */
+	private $storage;
+
+	public function setUp() {
+		parent::setUp();
+		$this->storage = new Temporary();
+		$this->storage->mkdir('foo/bar');
+		$this->storage->file_put_contents('foo/bar/file.txt', 'bar');
+		$this->storage->getScanner()->scan('');
+	}
+
+	/**
+	 * @param $paths
+	 * @return ICacheEntry[]
+	 */
+	private function getFileInfos($paths) {
+		$values = array_map(function ($path) {
+			return $this->storage->getCache()->get($path);
+		}, $paths);
+		return array_combine($paths, $values);
+	}
+
+	public function testEtagPropagation() {
+		$paths = ['', 'foo', 'foo/bar'];
+		$oldInfos = $this->getFileInfos($paths);
+		$this->storage->getPropagator()->propagateChange('foo/bar/file.txt', time());
+		$newInfos = $this->getFileInfos($paths);
+
+		foreach ($oldInfos as $i => $oldInfo) {
+			$this->assertNotEquals($oldInfo->getEtag(), $newInfos[$i]->getEtag());
+		}
+	}
+
+	public function testTimePropagation() {
+		$paths = ['', 'foo', 'foo/bar'];
+		$oldTime = time() - 200;
+		$targetTime = time() - 100;
+		$now = time();
+		$cache = $this->storage->getCache();
+		$cache->put('', ['mtime' => $now]);
+		$cache->put('foo', ['mtime' => $now]);
+		$cache->put('foo/bar', ['mtime' => $oldTime]);
+		$cache->put('foo/bar/file.txt', ['mtime' => $oldTime]);
+		$this->storage->getPropagator()->propagateChange('foo/bar/file.txt', $targetTime);
+		$newInfos = $this->getFileInfos($paths);
+
+		$this->assertEquals($targetTime, $newInfos['foo/bar']->getMTime());
+
+		// dont lower mtimes
+		$this->assertEquals($now, $newInfos['foo']->getMTime());
+		$this->assertEquals($now, $newInfos['']->getMTime());
+	}
+
+	public function testSizePropagation() {
+		$paths = ['', 'foo', 'foo/bar'];
+		$oldInfos = $this->getFileInfos($paths);
+		$this->storage->getPropagator()->propagateChange('foo/bar/file.txt', time(), 10);
+		$newInfos = $this->getFileInfos($paths);
+
+		foreach ($oldInfos as $i => $oldInfo) {
+			$this->assertEquals($oldInfo->getSize() + 10, $newInfos[$i]->getSize());
+		}
+	}
+
+	public function testBatchedPropagation() {
+		$this->storage->mkdir('foo/baz');
+		$this->storage->mkdir('asd');
+		$this->storage->file_put_contents('asd/file.txt', 'bar');
+		$this->storage->file_put_contents('foo/baz/file.txt', 'bar');
+		$this->storage->getScanner()->scan('');
+
+		$paths = ['', 'foo', 'foo/bar', 'asd', 'foo/baz'];
+
+		$oldInfos = $this->getFileInfos($paths);
+		$propagator = $this->storage->getPropagator();
+
+		$propagator->beginBatch();
+		$propagator->propagateChange('asd/file.txt', time(), 10);
+		$propagator->propagateChange('foo/bar/file.txt', time(), 2);
+
+		$newInfos = $this->getFileInfos($paths);
+
+		// no changes until we finish the batch
+		foreach ($oldInfos as $i => $oldInfo) {
+			$this->assertEquals($oldInfo->getSize(), $newInfos[$i]->getSize());
+			$this->assertEquals($oldInfo->getEtag(), $newInfos[$i]->getEtag());
+			$this->assertEquals($oldInfo->getMTime(), $newInfos[$i]->getMTime());
+		}
+
+		$propagator->commitBatch();
+
+		$newInfos = $this->getFileInfos($paths);
+
+		foreach ($oldInfos as $i => $oldInfo) {
+			if ($oldInfo->getPath() !== 'foo/baz') {
+				$this->assertNotEquals($oldInfo->getEtag(), $newInfos[$i]->getEtag());
+			}
+		}
+
+		$this->assertEquals($oldInfos['']->getSize() + 12, $newInfos['']->getSize());
+		$this->assertEquals($oldInfos['asd']->getSize() + 10, $newInfos['asd']->getSize());
+		$this->assertEquals($oldInfos['foo']->getSize() + 2, $newInfos['foo']->getSize());
+		$this->assertEquals($oldInfos['foo/bar']->getSize() + 2, $newInfos['foo/bar']->getSize());
+		$this->assertEquals($oldInfos['foo/baz']->getSize(), $newInfos['foo/baz']->getSize());
+	}
+}