public function testSerialWithRetries()
{
$directory = new FooDirectory($this->getMongoDB());
$model = $directory->createAndSave(['bar' => 'baz']);
PHPUnit::assertEquals('baz', $model['bar']);
$attempts = 0;
$directory->updateWithSerialConstraint($model, function ($model, $update_vars, $attempt_offset) use(&$attempts) {
if ($attempt_offset < 5) {
$this->makeExternalModificationToModel($model, $attempt_offset);
}
++$attempts;
return array('goodMod' => 1);
}, 10, 1000);
PHPUnit::assertEquals(6, $attempts);
$model = $directory->reload($model);
PHPUnit::assertEquals(5, $model['badMod']);
PHPUnit::assertEquals(1, $model['goodMod']);
}
