Adds tests for the setup memory limit checks

Signed-off-by: Michael Weimann <mail@michael-weimann.eu>

1 files changed, 73 insertions, 0 deletions

diff --git a/tests/lib/MemoryInfoTest.php b/tests/lib/MemoryInfoTest.php
new file mode 100644
index 00000000000..9cd4fd56038
--- /dev/null
+++ b/tests/lib/MemoryInfoTest.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace Test;
+
+use OC\MemoryInfo;
+
+/**
+ * This class provides tests for the MemoryInfo class.
+ */
+class MemoryInfoTest extends TestCase {
+	/**
+	 * @var MemoryInfo
+	 */
+	private $memoryInfo;
+
+	/**
+	 * The "memory_limit" value before tests.
+	 *
+	 * @var string
+	 */
+	private $iniSettingBeforeTest;
+
+	/**
+	 * @beforeClass
+	 */
+	public function backupMemoryInfoIniSetting() {
+		$this->iniSettingBeforeTest = ini_get('memory_limit');
+	}
+
+	/**
+	 * @afterClass
+	 */
+	public function restoreMemoryInfoIniSetting() {
+		ini_set('memory_limit', $this->iniSettingBeforeTest);
+	}
+
+	/**
+	 * Setups a MemoryInfo instance for tests.
+	 *
+	 * @before
+	 */
+	public function setupMemoryInfo() {
+		$this->memoryInfo = new MemoryInfo();
+	}
+
+	/**
+	 * Provides test data.
+	 *
+	 * @return array
+	 */
+	public function getMemoryLimitTestData(): array {
+		return [
+			'unlimited' => ['-1', -1,],
+			'0' => ['0', 0,],
+			'134217728 bytes' => ['134217728', 134217728,],
+			'128M' => ['128M', 134217728,],
+			'131072K' => ['131072K', 134217728,],
+			'2G' => ['2G', 2147483648,],
+		];
+	}
+
+	/**
+	 * Tests that getMemoryLimit works as expected.
+	 *
+	 * @param string $iniValue The "memory_limit" ini data.
+	 * @param int $expected The expected detected memory limit.
+	 * @dataProvider getMemoryLimitTestData
+	 */
+	public function testMemoryLimit($iniValue, $expected) {
+		ini_set('memory_limit', $iniValue);
+		self::assertEquals($expected, $this->memoryInfo->getMemoryLimit());
+	}
+}