1 files changed, 64 insertions, 0 deletions
diff --git a/tests/lib/Memcache/CasTraitTest.php b/tests/lib/Memcache/CasTraitTest.php
new file mode 100644
index 00000000000..9de04fa2726
--- /dev/null
+++ b/tests/lib/Memcache/CasTraitTest.php
@@ -0,0 +1,64 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+namespace Test\Memcache;
+
+use OC\Memcache\ArrayCache;
+use Test\TestCase;
+
+/**
+ * @group Memcache
+ */
+class CasTraitTest extends TestCase {
+	/**
+	 * @return \OC\Memcache\CasTrait
+	 */
+	private function getCache() {
+		$sourceCache = new ArrayCache();
+		$mock = $this->getMockForTrait('\OC\Memcache\CasTrait');
+
+		$mock->expects($this->any())
+			->method('set')
+			->willReturnCallback(function ($key, $value, $ttl) use ($sourceCache) {
+				return $sourceCache->set($key, $value, $ttl);
+			});
+
+		$mock->expects($this->any())
+			->method('get')
+			->willReturnCallback(function ($key) use ($sourceCache) {
+				return $sourceCache->get($key);
+			});
+
+		$mock->expects($this->any())
+			->method('add')
+			->willReturnCallback(function ($key, $value, $ttl) use ($sourceCache) {
+				return $sourceCache->add($key, $value, $ttl);
+			});
+
+		$mock->expects($this->any())
+			->method('remove')
+			->willReturnCallback(function ($key) use ($sourceCache) {
+				return $sourceCache->remove($key);
+			});
+		return $mock;
+	}
+
+	public function testCasNotChanged(): void {
+		$cache = $this->getCache();
+		$cache->set('foo', 'bar');
+		$this->assertTrue($cache->cas('foo', 'bar', 'asd'));
+		$this->assertEquals('asd', $cache->get('foo'));
+	}
+
+	public function testCasChanged(): void {
+		$cache = $this->getCache();
+		$cache->set('foo', 'bar1');
+		$this->assertFalse($cache->cas('foo', 'bar', 'asd'));
+		$this->assertEquals('bar1', $cache->get('foo'));
+	}
+}