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MDL-65072 core_lock: Add timeout unit tests

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This commit is contained in:
Brendan Heywood
2019-03-26 14:29:16 +11:00
parent ecbe920656
commit 93ee70824f
1 changed files with 22 additions and 1 deletions
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lib/tests/lock_test.php
+22 -1
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@@ -59,10 +59,31 @@ class lock_testcase extends advanced_testcase {
$lock2 = $lockfactory->get_lock('abc', 2);
$this->assertNotEmpty($lock2, 'Get a stacked lock');
$this->assertTrue($lock2->release(), 'Release a stacked lock');
// This stacked lock should be gained almost instantly.
$duration = -microtime(true);
$lock3 = $lockfactory->get_lock('abc', 0);
$duration += microtime(true);
$lock3->release();
$this->assertTrue($duration < 0.100, 'Lock should be gained almost instantly');
// We should also assert that locks fail instantly if locked
// from another process but this is hard to unit test.
} else {
// This should timeout.
// This should timeout after 2 seconds.
$duration = -microtime(true);
$lock2 = $lockfactory->get_lock('abc', 2);
$duration += microtime(true);
$this->assertFalse($lock2, 'Cannot get a stacked lock');
$this->assertTrue($duration > 1, 'Lock should timeout after more than 1 second');
// This should timeout almost instantly.
$duration = -microtime(true);
$lock2 = $lockfactory->get_lock('abc', 0);
$duration += microtime(true);
$this->assertFalse($lock2, 'Cannot get a stacked lock');
$this->assertTrue($duration < 0.100, 'Lock should timeout almost instantly < 100ms');
}
}
// Release the lock.