rework locking and drop CRONJOBS_ESCALATION setting, fixes #771

Closes #771

Merge request studip/studip!592

1 files changed, 44 insertions, 0 deletions

diff --git a/tests/unit/lib/classes/FileLockTest.php b/tests/unit/lib/classes/FileLockTest.php
new file mode 100644
index 0000000..b593794
--- /dev/null
+++ b/tests/unit/lib/classes/FileLockTest.php
@@ -0,0 +1,44 @@
+<?php
+/*
+ * Copyright (c) 2022  Elmar Ludwig
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+class FileLockTest extends \Codeception\Test\Unit
+{
+    public function testAquireLock()
+    {
+        $lock = new FileLock('test');
+        $lock2 = new FileLock('test');
+
+        $this->assertTrue($lock->tryLock());
+        $lock->release();
+
+        $this->assertTrue($lock2->tryLock());
+        $lock2->release();
+    }
+
+    public function testBusyLock()
+    {
+        $lock = new FileLock('test');
+        $lock2 = new FileLock('test');
+
+        $data = ['foo' => '42'];
+        $this->assertTrue($lock->tryLock($data));
+
+        // test updating a lock
+        $data = ['foo' => 'bar'];
+        $this->assertTrue($lock->tryLock($data));
+
+        // aquiring the lock should fail
+        $data = [];
+        $this->assertFalse($lock2->tryLock($data));
+        $this->assertEquals('bar', $data['foo']);
+
+        $lock->release();
+    }
+}