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AphrontIsolatedDatabaseConnectionTestCase.php
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Thu, Jun 5, 02:50

AphrontIsolatedDatabaseConnectionTestCase.php
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<?php
/*
* Copyright 2012 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.
*/
final class AphrontIsolatedDatabaseConnectionTestCase
extends PhabricatorTestCase {
protected function getPhabricatorTestCaseConfiguration() {
return array(
// We disable this here because this test is unique (it is testing that
// isolation actually occurs) and must establish a live connection to the
// database to verify that.
self::PHABRICATOR_TESTCONFIG_ISOLATE_LISK => false,
);
}
public function testIsolation() {
// This will fail if the connection isn't isolated.
queryfx(
$this->newIsolatedConnection(),
'INSERT INVALID SYNTAX');
}
public function testInsertGeneratesID() {
$conn = $this->newIsolatedConnection();
queryfx($conn, 'INSERT');
$id1 = $conn->getInsertID();
queryfx($conn, 'INSERT');
$id2 = $conn->getInsertID();
$this->assertEqual(true, (bool)$id1, 'ID1 exists.');
$this->assertEqual(true, (bool)$id2, 'ID2 exists.');
$this->assertEqual(
true,
$id1 != $id2,
"IDs '{$id1}' and '{$id2}' are distinct.");
}
public function testDeletePermitted() {
$conn = $this->newIsolatedConnection();
queryfx($conn, 'DELETE');
}
public function testTransactionStack() {
$conn = $this->newIsolatedConnection();
$conn->openTransaction();
queryfx($conn, 'INSERT');
$conn->saveTransaction();
$this->assertEqual(
array(
'START TRANSACTION',
'INSERT',
'COMMIT',
),
$conn->getQueryTranscript());
$conn = $this->newIsolatedConnection();
$conn->openTransaction();
queryfx($conn, 'INSERT 1');
$conn->openTransaction();
queryfx($conn, 'INSERT 2');
$conn->killTransaction();
$conn->openTransaction();
queryfx($conn, 'INSERT 3');
$conn->openTransaction();
queryfx($conn, 'INSERT 4');
$conn->saveTransaction();
$conn->saveTransaction();
$conn->openTransaction();
queryfx($conn, 'INSERT 5');
$conn->killTransaction();
queryfx($conn, 'INSERT 6');
$conn->saveTransaction();
$this->assertEqual(
array(
'START TRANSACTION',
'INSERT 1',
'SAVEPOINT Aphront_Savepoint_1',
'INSERT 2',
'ROLLBACK TO SAVEPOINT Aphront_Savepoint_1',
'SAVEPOINT Aphront_Savepoint_1',
'INSERT 3',
'SAVEPOINT Aphront_Savepoint_2',
'INSERT 4',
'SAVEPOINT Aphront_Savepoint_1',
'INSERT 5',
'ROLLBACK TO SAVEPOINT Aphront_Savepoint_1',
'INSERT 6',
'COMMIT',
),
$conn->getQueryTranscript());
}
public function testTransactionRollback() {
$check = array();
$phid = new HarbormasterScratchTable();
$phid->openTransaction();
for ($ii = 0; $ii < 3; $ii++) {
$key = $this->generateTestData();
$obj = new HarbormasterScratchTable();
$obj->setData($key);
$obj->save();
$check[] = $key;
}
$phid->killTransaction();
foreach ($check as $key) {
$this->assertNoSuchRow($key);
}
}
private function newIsolatedConnection() {
$config = array();
return new AphrontIsolatedDatabaseConnection($config);
}
private function generateTestData() {
return Filesystem::readRandomCharacters(20);
}
private function assertNoSuchRow($data) {
try {
$row = id(new HarbormasterScratchTable())->loadOneWhere(
'data = %s',
$data);
$this->assertEqual(
null,
$row,
'Expect fake row to exist only in isolation.');
} catch (AphrontQueryConnectionException $ex) {
// If we can't connect to the database, conclude that the isolated
// connection actually is isolated. Philosophically, this perhaps allows
// us to claim this test does not depend on the database?
}
}
}

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