1 files changed, 55 insertions, 0 deletions
diff --git a/tests/lib/Http/Client/NegativeDnsCacheTest.php b/tests/lib/Http/Client/NegativeDnsCacheTest.php
new file mode 100644
index 00000000000..eb0f86f5c7a
--- /dev/null
+++ b/tests/lib/Http/Client/NegativeDnsCacheTest.php
@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace Test\Http\Client;
+
+use OC\Http\Client\NegativeDnsCache;
+use OCP\ICache;
+use OCP\ICacheFactory;
+
+class NegativeDnsCacheTest extends \Test\TestCase {
+	/** @var ICache */
+	private $cache;
+	/** @var ICacheFactory */
+	private $cacheFactory;
+	/** @var NegativeDnsCache */
+	private $negativeDnsCache;
+
+	protected function setUp(): void {
+		parent::setUp();
+
+		$this->cache = $this->createMock(ICache::class);
+		$this->cacheFactory = $this->createMock(ICacheFactory::class);
+		$this->cacheFactory
+			->method('createLocal')
+			->with('NegativeDnsCache')
+			->willReturn($this->cache);
+
+		$this->negativeDnsCache = new NegativeDnsCache($this->cacheFactory);
+	}
+
+	public function testSetNegativeCacheForDnsType() : void {
+		$this->cache
+			->expects($this->once())
+			->method('set')
+			->with('www.example.com-1', 'true', 3600);
+
+		$this->negativeDnsCache->setNegativeCacheForDnsType('www.example.com', DNS_A, 3600);
+	}
+
+	public function testIsNegativeCached(): void {
+		$this->cache
+			->expects($this->once())
+			->method('hasKey')
+			->with('www.example.com-1')
+			->willReturn(true);
+
+		$this->assertTrue($this->negativeDnsCache->isNegativeCached('www.example.com', DNS_A));
+	}
+}