test: add test for jail watcher

Signed-off-by: Robin Appelman <robin@icewind.nl>

Author: icewind1991

tests/lib/Files/Cache/Wrapper/CacheJailTest.php

@@ -11,6 +11,7 @@
 use OC\Files\Cache\Wrapper\CacheJail;
 use OC\Files\Search\SearchComparison;
 use OC\Files\Search\SearchQuery;
+use OC\Files\Storage\Wrapper\Jail;
 use OC\User\User;
 use OCP\EventDispatcher\IEventDispatcher;
 use OCP\Files\Search\ISearchComparison;
@@ -218,4 +219,33 @@ public function testRootJail() {
 		$this->assertCount(1, $result);
 		$this->assertEquals('foo/bar/asd', $result[0]['path']);
 	}
+
+	public function testWatcher() {
+		$storage = new Jail([
+			'storage' => $this->storage,
+			'root' => 'foo'
+		]);
+		$storage->getScanner()->scan('');
+		$storage->file_put_contents('bar', 'asd');
+
+		$this->assertFalse($this->cache->inCache('bar'));
+		$storage->getWatcher()->update('bar', ['mimetype' => 'text/plain']);
+		$this->assertTrue($this->cache->inCache('bar'));
+	}
+
+	public function testWatcherAfterInnerWatcher() {
+		$storage = new Jail([
+			'storage' => $this->storage,
+			'root' => 'foo'
+		]);
+		$storage->getScanner()->scan('');
+		$storage->file_put_contents('bar', 'asd');
+
+		// let the underlying storage create it's watcher first
+		$this->storage->getWatcher();
+
+		$this->assertFalse($this->cache->inCache('bar'));
+		$storage->getWatcher()->update('bar', ['mimetype' => 'text/plain']);
+		$this->assertTrue($this->cache->inCache('bar'));
+	}
 }