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yii2
Commit ff809683 by Mark Committed by Carsten Brandt
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cache controller adjustments and improvements

related to #4792, close #4874
parent 92b958cd
Showing with 280 additions and 24 deletions
framework/console/controllers/CacheController.php
......@@ -9,13 +9,26 @@ namespace yii\console\controllers;
use Yii;
use yii\console\Controller;
use yii\console\Exception;
use yii\caching\Cache;
use yii\helpers\Console;
use yii\console\Exception;
/**
* Allows you to flush cache.
*
* ~~~
* #see list of available components to flush
* yii cache
*
* #flush particular components specified by their names
* yii cache/flush first second third
*
* #flush all cache components that can be found in the system
* yii cache/flush-all
* ~~~
*
* @author Alexander Makarov <sam@rmcreative.ru>
* @author Mark Jebri <mark.github@yandex.ru>
* @since 2.0
*/
class CacheController extends Controller
......@@ -25,43 +38,188 @@ class CacheController extends Controller
*/
public function actionIndex()
{
$caches = [];
$components = Yii::$app->getComponents();
foreach ($components as $name => $component) {
if ($component instanceof Cache) {
$caches[$name] = get_class($component);
} elseif (is_array($component) && isset($component['class']) && strpos($component['class'], 'Cache') !== false) {
$caches[$name] = $component['class'];
$caches = $this->findCaches();
if (!empty($caches)) {
$this->notifyCachesCanBeFlushed($caches);
} else {
$this->notifyNoCachesFound();
}
}
if (!empty($caches)) {
echo "The following caches can be flushed:\n\n";
/**
* Flushes given cache components.
* For example,
*
* ~~~
* # flushes caches specified by their id: "first", "second", "third"
* yii cache/flush first second third
* ~~~
*
*/
public function actionFlush()
{
$cachesInput = func_get_args();
if (empty($cachesInput)) {
throw new Exception("You should specify cache components names");
}
$caches = $this->findCaches($cachesInput);
$cachesInfo = [];
$foundCaches = array_keys($caches);
$notFoundCaches = array_diff($cachesInput, array_keys($caches));
if ($notFoundCaches) {
$this->notifyNotFoundCaches($notFoundCaches);
}
if (!$foundCaches) {
$this->notifyNoCachesFound();
return static::EXIT_CODE_NORMAL;
}
if (!$this->confirmFlush($foundCaches)) {
return static::EXIT_CODE_NORMAL;
}
foreach ($caches as $name => $class) {
echo " * $name: $class\n";
$cachesInfo[] = [
'name' => $name,
'class' => $class,
'is_flushed' => Yii::$app->get($name)->flush(),
];
}
} else {
echo "No cache is used.\n";
$this->notifyFlushed($cachesInfo);
}
/**
* Flushes all caches registered in the system.
*/
public function actionFlushAll()
{
$caches = $this->findCaches();
$cachesInfo = [];
if (empty($caches)) {
$this->notifyNoCachesFound();
return static::EXIT_CODE_NORMAL;
}
foreach ($caches as $name => $class) {
$cachesInfo[] = [
'name' => $name,
'class' => $class,
'is_flushed' => Yii::$app->get($name)->flush(),
];
}
$this->notifyFlushed($cachesInfo);
}
/**
* Notifies user that given caches are found and can be flushed.
* @param array $caches array of cache component classes
*/
private function notifyCachesCanBeFlushed($caches)
{
$this->stdout("The following caches were found in the system:\n\n", Console::FG_YELLOW);
foreach ($caches as $name => $class) {
$this->stdout("\t* $name ($class)\n", Console::FG_GREEN);
}
$this->stdout("\n");
}
/**
* Notifies user that there was not found any cache in the system.
*/
private function notifyNoCachesFound()
{
$this->stdout("No cache components were found in the system.\n", Console::FG_RED);
}
/**
* Notifies user that given cache components were not found in the system.
* @param array $cachesNames
*/
private function notifyNotFoundCaches($cachesNames)
{
$this->stdout("The following cache components were NOT found:\n\n", Console::FG_RED);
foreach ($cachesNames as $name) {
$this->stdout("\t * $name \n", Console::FG_GREEN);
}
$this->stdout("\n");
}
/**
* Flushes cache.
* @param string $component Name of the cache application component to use.
*
* @throws \yii\console\Exception
* @param array $caches
*/
private function notifyFlushed($caches)
{
$this->stdout("The following cache components were processed:\n\n", Console::FG_YELLOW);
foreach ($caches as $cache) {
$this->stdout("\t* " . $cache['name'] ." (" . $cache['class'] . ")", Console::FG_GREEN);
if (!$cache['is_flushed']) {
$this->stdout(" - not flushed\n", Console::FG_RED);
} else {
$this->stdout("\n");
}
}
$this->stdout("\n");
}
/**
* Prompts user with confirmation if caches should be flushed.
* @param array $cachesNames
* @return boolean
*/
private function confirmFlush($cachesNames)
{
$this->stdout("The following cache components will be flushed:\n\n", Console::FG_YELLOW);
foreach ($cachesNames as $name) {
$this->stdout("\t * $name \n", Console::FG_GREEN);
}
return $this->confirm("\nFlush above cache components?");
}
/**
* Returns array of caches in the system, keys are cache components names, values are class names.
* @param array $cachesNames caches to be found
* @return array
*/
public function actionFlush($component = 'cache')
private function findCaches(array $cachesNames = [])
{
/* @var $cache Cache */
$cache = Yii::$app->get($component, false);
if (!$cache || !$cache instanceof Cache) {
throw new Exception('Application component "'.$component.'" is not defined or not a cache.');
$caches = [];
$components = Yii::$app->getComponents();
$findAll = ($cachesNames == []);
foreach ($components as $name => $component) {
if (!$findAll && !in_array($name, $cachesNames)) {
continue;
}
if (!$cache->flush()) {
throw new Exception('Unable to flush cache.');
if ($component instanceof Cache) {
$caches[$name] = get_class($component);
} elseif (is_array($component) && isset($component['class']) && strpos($component['class'], 'Cache') !== false) {
$caches[$name] = $component['class'];
} elseif (is_string($component) && strpos($component, 'Cache') !== false) {
$caches[$name] = $component;
}
}
echo "\nDone.\n";
return $caches;
}
}
tests/unit/framework/console/controllers/CacheControllerTest.php 0 → 100644
<?php
namespace yiiunit\framework\console\controllers;
use Yii;
use yiiunit\TestCase;
use yii\console\controllers\CacheController;
class CacheControllerTest extends TestCase
{
/**
* @var \yiiunit\framework\console\controllers\CacheConsoledController
*/
private $_cacheController;
protected function setUp()
{
parent::setUp();
$this->_cacheController = Yii::createObject([
'class' => 'yiiunit\framework\console\controllers\CacheConsoledController',
'interactive' => false,
],[null, null]); //id and module are null
$this->mockApplication([
'components' => [
'firstCache' => 'yii\caching\ArrayCache',
'secondCache' => 'yii\caching\ArrayCache',
],
]);
}
public function testFlushOne()
{
Yii::$app->firstCache->set('firstKey', 'firstValue');
Yii::$app->firstCache->set('secondKey', 'secondValue');
Yii::$app->secondCache->set('thirdKey', 'thirdValue');
$this->_cacheController->actionFlush('firstCache');
$this->assertFalse(Yii::$app->firstCache->get('firstKey'),'first cache data should be flushed');
$this->assertFalse(Yii::$app->firstCache->get('secondKey'),'first cache data should be flushed');
$this->assertEquals('thirdValue', Yii::$app->secondCache->get('thirdKey'), 'second cache data should not be flushed');
}
public function testFlushBoth()
{
Yii::$app->firstCache->set('firstKey', 'firstValue');
Yii::$app->firstCache->set('secondKey', 'secondValue');
Yii::$app->secondCache->set('thirdKey', 'secondValue');
$this->_cacheController->actionFlush('firstCache', 'secondCache');
$this->assertFalse(Yii::$app->firstCache->get('firstKey'),'first cache data should be flushed');
$this->assertFalse(Yii::$app->firstCache->get('secondKey'),'first cache data should be flushed');
$this->assertFalse(Yii::$app->secondCache->get('thirdKey'), 'second cache data should be flushed');
}
public function testNotFoundFlush()
{
Yii::$app->firstCache->set('firstKey', 'firstValue');
$this->_cacheController->actionFlush('notExistingCache');
$this->assertEquals('firstValue', Yii::$app->firstCache->get('firstKey'), 'first cache data should not be flushed');
}
/**
* @expectedException yii\console\Exception
*/
public function testNothingToFlushException()
{
$this->_cacheController->actionFlush();
}
public function testFlushAll()
{
Yii::$app->firstCache->set('firstKey', 'firstValue');
Yii::$app->secondCache->set('thirdKey', 'secondValue');
$this->_cacheController->actionFlushAll();
$this->assertFalse(Yii::$app->firstCache->get('firstKey'),'first cache data should be flushed');
$this->assertFalse(Yii::$app->secondCache->get('thirdKey'), 'second cache data should be flushed');
}
}
class CacheConsoledController extends CacheController
{
public function stdout($string)
{
}
}
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