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AphrontIsolatedDatabaseConnection.php
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Wed, Dec 25, 09:50

AphrontIsolatedDatabaseConnection.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @group storage
*/
class AphrontIsolatedDatabaseConnection extends AphrontDatabaseConnection {
private $configuration;
private static $nextInsertID;
private $insertID;
public function __construct(array $configuration) {
$this->configuration = $configuration;
if (self::$nextInsertID === null) {
// Generate test IDs into a distant ID space to reduce the risk of
// collisions and make them distinctive.
self::$nextInsertID = 55555000000 + mt_rand(0, 1000);
}
}
public function escapeString($string) {
return '<S>';
}
public function escapeColumnName($name) {
return '<C>';
}
public function escapeMultilineComment($comment) {
return '<K>';
}
public function escapeStringForLikeClause($value) {
return '<L>';
}
private function getConfiguration($key, $default = null) {
return idx($this->configuration, $key, $default);
}
public function getInsertID() {
return $this->insertID;
}
public function getAffectedRows() {
return $this->affectedRows;
}
public function getTransactionKey() {
return 'xaction'; // TODO, probably need to stub this better.
}
public function selectAllResults() {
return $this->allResults;
}
public function executeRawQuery($raw_query) {
// NOTE: This method is intentionally simplified for now, since we're only
// using it to stub out inserts/updates. In the future it will probably need
// to grow more powerful.
$this->allResults = array();
// NOTE: We jitter the insert IDs to keep tests honest; a test should cover
// the relationship between objects, not their exact insertion order. This
// guarantees that IDs are unique but makes it impossible to hard-code tests
// against this specific implementation detail.
$this->insertID = (self::$nextInsertID += mt_rand(1, 10));
$this->affectedRows = 1;
}
}

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