drupal-civicrm/sites/all/modules/civicrm/Civi/Test/CiviEnvBuilder.php

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2018-01-14 15:10:16 +02:00
<?php
namespace Civi\Test;
use Civi\Test\CiviEnvBuilder\CallbackStep;
use Civi\Test\CiviEnvBuilder\ExtensionsStep;
use Civi\Test\CiviEnvBuilder\SqlFileStep;
use Civi\Test\CiviEnvBuilder\SqlStep;
use Civi\Test\CiviEnvBuilder\StepInterface;
use RuntimeException;
/**
* Class CiviEnvBuilder
*
* Provides a fluent interface for tracking a set of steps.
* By computing and storing a signature for the list steps, we can
* determine whether to (a) do nothing with the list or (b)
* reapply all the steps.
*/
class CiviEnvBuilder {
protected $name;
private $steps = array();
/**
* @var string|NULL
* A digest of the values in $steps.
*/
private $targetSignature = NULL;
public function __construct($name) {
$this->name = $name;
}
public function addStep(StepInterface $step) {
$this->targetSignature = NULL;
$this->steps[] = $step;
return $this;
}
public function callback($callback, $signature = NULL) {
return $this->addStep(new CallbackStep($callback, $signature));
}
public function sql($sql) {
return $this->addStep(new SqlStep($sql));
}
public function sqlFile($file) {
return $this->addStep(new SqlFileStep($file));
}
/**
* Require that an extension be installed.
*
* @param string|array $names
* One or more extension names. You may use a wildcard '*'.
* @return CiviEnvBuilder
*/
public function install($names) {
return $this->addStep(new ExtensionsStep('install', $names));
}
/**
* Require an extension be installed (identified by its directory).
*
* @param string $dir
* The current test directory. We'll search for info.xml to
* see what this extension is.
* @return CiviEnvBuilder
* @throws \CRM_Extension_Exception_ParseException
*/
public function installMe($dir) {
return $this->addStep(new ExtensionsStep('install', $this->whoAmI($dir)));
}
/**
* Require an extension be uninstalled.
*
* @param string|array $names
* One or more extension names. You may use a wildcard '*'.
* @return CiviEnvBuilder
*/
public function uninstall($names) {
return $this->addStep(new ExtensionsStep('uninstall', $names));
}
/**
* Require an extension be uninstalled (identified by its directory).
*
* @param string $dir
* The current test directory. We'll search for info.xml to
* see what this extension is.
* @return CiviEnvBuilder
* @throws \CRM_Extension_Exception_ParseException
*/
public function uninstallMe($dir) {
return $this->addStep(new ExtensionsStep('uninstall', $this->whoAmI($dir)));
}
protected function assertValid() {
foreach ($this->steps as $step) {
if (!$step->isValid()) {
throw new RuntimeException("Found invalid step: " . var_dump($step, 1));
}
}
}
/**
* @return string
*/
protected function getTargetSignature() {
if ($this->targetSignature === NULL) {
$buf = '';
foreach ($this->steps as $step) {
$buf .= $step->getSig();
}
$this->targetSignature = md5($buf);
}
return $this->targetSignature;
}
/**
* @return string
*/
protected function getSavedSignature() {
$liveSchemaRev = NULL;
$pdo = \Civi\Test::pdo();
$pdoStmt = $pdo->query(sprintf(
"SELECT rev FROM %s.civitest_revs WHERE name = %s",
\Civi\Test::dsn('database'),
$pdo->quote($this->name)
));
foreach ($pdoStmt as $row) {
$liveSchemaRev = $row['rev'];
}
return $liveSchemaRev;
}
/**
* @param $newSignature
*/
protected function setSavedSignature($newSignature) {
$pdo = \Civi\Test::pdo();
$query = sprintf(
'INSERT INTO %s.civitest_revs (name,rev) VALUES (%s,%s) '
. 'ON DUPLICATE KEY UPDATE rev = %s;',
\Civi\Test::dsn('database'),
$pdo->quote($this->name),
$pdo->quote($newSignature),
$pdo->quote($newSignature)
);
if (\Civi\Test::execute($query) === FALSE) {
throw new RuntimeException("Failed to flag schema version: $query");
}
}
/**
* Determine if there's been a change in the preferred configuration.
* If the preferred-configuration matches the last test, keep it. Otherwise,
* destroy and recreate.
*
* @param bool $force
* Forcibly execute the build, even if the configuration hasn't changed.
* This will slow-down the tests, but it may be appropriate for some very sloppy
* tests.
* @return CiviEnvBuilder
*/
public function apply($force = FALSE) {
$dbName = \Civi\Test::dsn('database');
$query = "USE {$dbName};"
. "CREATE TABLE IF NOT EXISTS civitest_revs (name VARCHAR(64) PRIMARY KEY, rev VARCHAR(64));";
if (\Civi\Test::execute($query) === FALSE) {
throw new \RuntimeException("Failed to flag schema version: $query");
}
$this->assertValid();
if (!$force && $this->getSavedSignature() === $this->getTargetSignature()) {
return $this;
}
foreach ($this->steps as $step) {
$step->run($this);
}
$this->setSavedSignature($this->getTargetSignature());
return $this;
}
/**
* @param $dir
* @return null
* @throws \CRM_Extension_Exception_ParseException
*/
protected function whoAmI($dir) {
while ($dir && dirname($dir) !== $dir && !file_exists("$dir/info.xml")) {
$dir = dirname($dir);
}
if (file_exists("$dir/info.xml")) {
$info = \CRM_Extension_Info::loadFromFile("$dir/info.xml");
$name = $info->key;
return $name;
}
return $name;
}
}