1 files changed, 102 insertions, 0 deletions
diff --git a/tests/lib/Cache/TestCache.php b/tests/lib/Cache/TestCache.php
new file mode 100644
index 00000000000..ec150152816
--- /dev/null
+++ b/tests/lib/Cache/TestCache.php
@@ -0,0 +1,102 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace Test\Cache;
+
+use OCP\ICache;
+
+abstract class TestCache extends \Test\TestCase {
+	/**
+	 * @var ICache cache;
+	 */
+	protected $instance;
+
+	protected function tearDown(): void {
+		if ($this->instance) {
+			$this->instance->clear();
+		}
+
+		parent::tearDown();
+	}
+
+	public function testSimple(): void {
+		$this->assertNull($this->instance->get('value1'));
+		$this->assertFalse($this->instance->hasKey('value1'));
+
+		$value = 'foobar';
+		$this->instance->set('value1', $value);
+		$this->assertTrue($this->instance->hasKey('value1'));
+		$received = $this->instance->get('value1');
+		$this->assertEquals($value, $received, 'Value received from cache not equal to the original');
+		$value = 'ipsum lorum';
+		$this->instance->set('value1', $value);
+		$received = $this->instance->get('value1');
+		$this->assertEquals($value, $received, 'Value not overwritten by second set');
+
+		$value2 = 'foobar';
+		$this->instance->set('value2', $value2);
+		$received2 = $this->instance->get('value2');
+		$this->assertTrue($this->instance->hasKey('value1'));
+		$this->assertTrue($this->instance->hasKey('value2'));
+		$this->assertEquals($value, $received, 'Value changed while setting other variable');
+		$this->assertEquals($value2, $received2, 'Second value not equal to original');
+
+		$this->assertFalse($this->instance->hasKey('not_set'));
+		$this->assertNull($this->instance->get('not_set'), 'Unset value not equal to null');
+
+		$this->assertTrue($this->instance->remove('value1'));
+		$this->assertFalse($this->instance->hasKey('value1'));
+	}
+
+	public function testClear(): void {
+		$value = 'ipsum lorum';
+		$this->instance->set('1_value1', $value . '1');
+		$this->instance->set('1_value2', $value . '2');
+		$this->instance->set('2_value1', $value . '3');
+		$this->instance->set('3_value1', $value . '4');
+
+		$this->assertEquals([
+			'1_value1' => 'ipsum lorum1',
+			'1_value2' => 'ipsum lorum2',
+			'2_value1' => 'ipsum lorum3',
+			'3_value1' => 'ipsum lorum4',
+		], [
+			'1_value1' => $this->instance->get('1_value1'),
+			'1_value2' => $this->instance->get('1_value2'),
+			'2_value1' => $this->instance->get('2_value1'),
+			'3_value1' => $this->instance->get('3_value1'),
+		]);
+		$this->assertTrue($this->instance->clear('1_'));
+
+		$this->assertEquals([
+			'1_value1' => null,
+			'1_value2' => null,
+			'2_value1' => 'ipsum lorum3',
+			'3_value1' => 'ipsum lorum4',
+		], [
+			'1_value1' => $this->instance->get('1_value1'),
+			'1_value2' => $this->instance->get('1_value2'),
+			'2_value1' => $this->instance->get('2_value1'),
+			'3_value1' => $this->instance->get('3_value1'),
+		]);
+
+		$this->assertTrue($this->instance->clear());
+
+		$this->assertEquals([
+			'1_value1' => null,
+			'1_value2' => null,
+			'2_value1' => null,
+			'3_value1' => null,
+		], [
+			'1_value1' => $this->instance->get('1_value1'),
+			'1_value2' => $this->instance->get('1_value2'),
+			'2_value1' => $this->instance->get('2_value1'),
+			'3_value1' => $this->instance->get('3_value1'),
+		]);
+	}
+}