public function testUsesCallbackForWaiter()
{
$total = 0;
$f = function () use(&$total) {
return ++$total == 3;
};
$w = new CallableWaiter();
$w->setCallable($f);
$w->wait();
$this->assertEquals(3, $total);
}
public function testUsesCallbackForWaiter()
{
$total = 0;
$f = function ($attempts, $data) use(&$total) {
$data['object']->value = 2;
return ++$total == 3;
};
$o = new \StdClass();
$o->value = 1;
$c = array('object' => $o);
$w = new CallableWaiter();
$w->setCallable($f);
$w->setContext($c);
$w->wait();
$this->assertEquals(3, $total);
$this->assertEquals(2, $o->value);
}
/**
* @depends testCreatesTable
*/
public function testIteratesOverScan()
{
self::log('Adding 3 items to the table');
$this->client->putItem(array('TableName' => $this->table, 'Item' => Item::fromArray(array('foo' => 'Bar', 'bar' => 10))));
self::log('Added 1 item');
$this->client->putItem(array('TableName' => $this->table, 'Item' => Item::fromArray(array('foo' => 'Bar', 'bar' => 20))));
self::log('Added 2 items');
$this->client->putItem(array('TableName' => $this->table, 'Item' => Item::fromArray(array('foo' => 'Bar', 'bar' => 30))));
self::log('Added 3 items');
self::log('Waiting until at least 3 items are in the table');
$client = $this->client;
$table = $this->table;
$waiter = new CallableWaiter();
$waiter->setCallable(function () use($client, $table) {
$result = $client->scan(array('TableName' => $table));
return count($result['Items']) >= 3;
})->setMaxAttempts(10)->setInterval(1);
$iterator = $client->getIterator('Scan', array('TableName' => $this->table, 'Limit' => 2, 'ScanFilter' => array('bar' => array('AttributeValueList' => array(array('N' => '5')), 'ComparisonOperator' => 'GT'))));
$items = $iterator->toArray();
$this->assertTrue(count($items) >= 3, 'Expected 3 items, got ' . count($items));
$this->assertTrue($iterator->getRequestCount() >= 2);
$mustMatch = $this->rangeKeyValues;
foreach ($items as $item) {
if (false !== ($pos = array_search($item['bar']['N'], $mustMatch))) {
unset($mustMatch[$pos]);
if (empty($mustMatch)) {
break;
}
}
}
if (!empty($mustMatch)) {
$this->fail('All known items were not found in scan: ' . var_export($mustMatch, true) . ' - found: ' . var_export($items, true));
}
return $mustMatch;
}
