Merge pull request #7297 from kenjis/refactor-CodeIgniter-check-cache

refactor: use config(Cache::class) in CodeIgniter

Author: kenjis

system/CodeIgniter.php

@@ -122,7 +122,7 @@ class CodeIgniter
     /**
      * Cache expiration time
      *
-     * @var int
+     * @var int seconds
      */
     protected static $cacheTTL = 0;
 
@@ -351,7 +351,7 @@ public function run(?RouteCollectionInterface $routes = null, bool $returnRespon
 
         // Check for a cached page. Execution will stop
         // if the page has been cached.
-        $cacheConfig = new Cache();
+        $cacheConfig = config(Cache::class);
         $response    = $this->displayCache($cacheConfig);
         if ($response instanceof ResponseInterface) {
             if ($returnResponse) {
@@ -734,7 +734,7 @@ public static function cache(int $time)
      * Caches the full response from the current request. Used for
      * full-page caching for very high performance.
      *
-     * @return mixed
+     * @return bool
      */
     public function cachePage(Cache $config)
     {
@@ -920,7 +920,7 @@ protected function createController()
      *  2. PHP CLI: accessed by CLI via php public/index.php, arguments become URI segments,
      *      sent to Controllers via Routes, output varies
      *
-     * @param mixed $class
+     * @param Controller $class
      *
      * @return false|ResponseInterface|string|void
      */
@@ -965,7 +965,7 @@ protected function display404errors(PageNotFoundException $e)
 
             unset($override);
 
-            $cacheConfig = new Cache();
+            $cacheConfig = config(Cache::class);
             $this->gatherOutput($cacheConfig, $returned);
             if ($this->returnResponse) {
                 return $this->response;

tests/system/CodeIgniterTest.php

@@ -53,7 +53,7 @@ protected function tearDown(): void
     {
         parent::tearDown();
 
-        if (count(ob_list_handlers()) > 1) {
+        if (ob_get_level() > 1) {
             ob_end_clean();
         }
 
@@ -761,7 +761,7 @@ public function testPageCacheWithCacheQueryString(
         CITestStreamFilter::addErrorFilter();
 
         // Create cache config with cacheQueryString value from the dataProvider
-        $cacheConfig                   = new Cache();
+        $cacheConfig                   = config(Cache::class);
         $cacheConfig->cacheQueryString = $cacheQueryStringValue;
 
         // Clear cache before starting the test
@@ -773,15 +773,16 @@ public function testPageCacheWithCacheQueryString(
 
         // Generate request to each URL from the testing array
         foreach ($testingUrls as $testingUrl) {
+            $this->resetServices();
             $_SERVER['REQUEST_URI'] = '/' . $testingUrl;
-            $routes                 = Services::routes(true);
-            $routes->add($testingUrl, static function () {
-                // Don't cache the page in the run() function because CodeIgniter
-                // class will create default $cacheConfig and overwrite settings
-                // from the dataProvider
-                CodeIgniter::cache(0);
+            $this->codeigniter      = new MockCodeIgniter(new App());
+
+            $routes    = Services::routes(true);
+            $routePath = explode('?', $testingUrl)[0];
+            $string    = 'This is a test page, to check cache configuration';
+            $routes->add($routePath, static function () use ($string) {
+                CodeIgniter::cache(60);
                 $response = Services::response();
-                $string   = 'This is a test page, to check cache configuration';
 
                 return $response->setBody($string);
             });
@@ -792,9 +793,15 @@ public function testPageCacheWithCacheQueryString(
 
             // Cache the page output using default caching function and $cacheConfig
             // with value from the data provider
+            ob_start();
             $this->codeigniter->run();
-            // Cache the page using our own $cacheConfig confugration
-            $this->codeigniter->cachePage($cacheConfig);
+            $output = ob_get_clean();
+
+            $this->assertSame($string, $output);
+
+            if (ob_get_level() > 1) {
+                ob_end_clean();
+            }
         }
 
         // Calculate how much cached items exist in the cache after the test requests