add no_template config to set default error message on Expressive 3 a…

…pplication when no TemplateRendererInterface service
samsonasik · Jun 5, 2018 · fea565b · fea565b
1 parent 43c2e6f
commit fea565b
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Showing 5 changed files with 108 additions and 12 deletions.
diff --git a/README.md b/README.md
@@ -209,6 +209,19 @@ return [
                 'view'   => 'error-hero-module/error-default'
             ],
 
+            // for expressive, when container doesn't has \Zend\Expressive\Template\TemplateRendererInterface service
+            // if enable, and display_errors = 0, then show a message under no_template config
+            'no_template' => [
+                'message' => <<<json
+{
+    "type": "http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html",
+    "title": "Internal Server Error",
+    "status": 500,
+    "detail": "We have encountered a problem and we can not fulfill your request. An error report has been generated and sent to the support team and someone will attend to this problem urgently. Please try again later. Thank you for your patience."
+}
+json
+            ],
+
             // if enable and display_errors = 0, the console will bring message
             'console' => [
                 'message' => 'We have encountered a problem and we can not fulfill your request. An error report has been generated and sent to the support team and someone will attend to this problem urgently. Please try again later. Thank you for your patience.',

diff --git a/config/expressive-error-hero-module.local.php.dist b/config/expressive-error-hero-module.local.php.dist
@@ -63,6 +63,19 @@ return [
                 'view'   => 'error-hero-module::error-default'
             ],
 
+            // for expressive, when container doesn't has \Zend\Expressive\Template\TemplateRendererInterface service
+            // if enable, and display_errors = 0, then show a message under no_template config
+            'no_template' => [
+                'message' => <<<json
+{
+    "type": "http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html",
+    "title": "Internal Server Error",
+    "status": 500,
+    "detail": "We have encountered a problem and we can not fulfill your request. An error report has been generated and sent to the support team and someone will attend to this problem urgently. Please try again later. Thank you for your patience."
+}
+json
+            ],
+
             // if enable and display_errors = 0, and on console env, the console will bring message
             'console' => [
                 'message' => 'We have encountered a problem and we can not fulfill your request. An error report has been generated and sent to the support team and someone will attend to this problem urgently. Please try again later. Thank you for your patience.',

diff --git a/spec/Middleware/ExpressiveSpec.php b/spec/Middleware/ExpressiveSpec.php
@@ -11,6 +11,7 @@
 use Zend\Diactoros\Response;
 use Zend\Diactoros\ServerRequest;
 use Zend\Diactoros\Uri;
+use Zend\Expressive\Template\TemplateRendererInterface;
 use Zend\Expressive\ZendView\ZendViewRenderer;
 use Zend\Http\PhpEnvironment\Request;
 use Zend\Log\Logger;
@@ -101,6 +102,19 @@
                     'view'   => 'error-hero-module/error-default'
                 ],
 
+                // for expressive, when container doesn't has \Zend\Expressive\Template\TemplateRendererInterface service
+                // if enable, and display_errors = 0, then show a message under no_template config
+                'no_template' => [
+                    'message' => <<<json
+{
+    "type": "http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html",
+    "title": "Internal Server Error",
+    "status": 500,
+    "detail": "We have encountered a problem and we can not fulfill your request. An error report has been generated and sent to the support team and someone will attend to this problem urgently. Please try again later. Thank you for your patience."
+}
+json
+                ],
+
                 'ajax' => [
                     'message' => <<<json
 {
@@ -332,6 +346,52 @@
 
             });
 
+            it('passed renderer is null returns error message on display_errors = 0', function () {
+
+                $config = $this->config;
+                $config['display-settings']['display_errors'] = 0;
+
+                $logging = new Logging(
+                    $this->logger,
+                    $config,
+                    $this->logWritersConfig,
+                    null,
+                    null
+                );
+
+                $request  = new ServerRequest(
+                    [],
+                    [],
+                    new Uri('http://example.com'),
+                    'GET',
+                    'php://memory',
+                    [],
+                    [],
+                    [],
+                    '',
+                    '1.2'
+                );
+                $request  = $request->withHeader('X-Requested-With', 'XmlHttpRequest');
+                $handler  = Double::instance(['implements' => RequestHandlerInterface::class]);
+                allow($handler)->toReceive('handle')->with($request)->andRun(function () {
+                    throw new \Exception('message');
+                });
+                $middleware = new Expressive($config, $logging, null);
+
+                $actual = $middleware->process($request, $handler);
+                expect($actual)->toBeAnInstanceOf(Response::class);
+                expect($actual->getBody()->__toString())->toBe(<<<json
+{
+    "type": "http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html",
+    "title": "Internal Server Error",
+    "status": 500,
+    "detail": "We have encountered a problem and we can not fulfill your request. An error report has been generated and sent to the support team and someone will attend to this problem urgently. Please try again later. Thank you for your patience."
+}
+json
+                );
+
+            });
+
             it('xmlhttprequest: returns error page on display_errors = 0', function () {
 
                 $config = $this->config;

diff --git a/src/Middleware/Expressive.php b/src/Middleware/Expressive.php
@@ -28,14 +28,14 @@ class Expressive implements MiddlewareInterface
     use HeroTrait;
 
     /**
-     * @var TemplateRendererInterface
+     * @var TemplateRendererInterface|null
      */
     private $renderer;
 
     public function __construct(
         array                     $errorHeroModuleConfig,
         Logging                   $logging,
-        TemplateRendererInterface $renderer
+        TemplateRendererInterface $renderer = null
     ) {
         $this->errorHeroModuleConfig = $errorHeroModuleConfig;
         $this->logging               = $logging;
@@ -87,24 +87,32 @@ public function exceptionError(Throwable $t, ServerRequestInterface $request) :
         return $this->showDefaultViewWhenDisplayErrorSetttingIsDisabled($request);
     }
 
+    private function responseByConfigMessage($key) : ResponseInterface
+    {
+        $message     = $this->errorHeroModuleConfig['display-settings'][$key]['message'];
+        $contentType = detectAjaxMessageContentType($message);
+
+        $response = new Response();
+        $response->getBody()->write($message);
+        $response = $response->withHeader('Content-type', $contentType);
+
+        return $response->withStatus(500);
+    }
+
     /**
      * It show default view if display_errors setting = 0.
      */
     private function showDefaultViewWhenDisplayErrorSetttingIsDisabled(ServerRequestInterface $request) : ResponseInterface
     {
-        $isXmlHttpRequest = $request->hasHeader('X-Requested-With');
+        if ($this->renderer === null) {
+            return $this->responseByConfigMessage('no_template');
+        }
 
+        $isXmlHttpRequest = $request->hasHeader('X-Requested-With');
         if ($isXmlHttpRequest === true &&
             isset($this->errorHeroModuleConfig['display-settings']['ajax']['message'])
         ) {
-            $message     = $this->errorHeroModuleConfig['display-settings']['ajax']['message'];
-            $contentType = detectAjaxMessageContentType($message);
-
-            $response = new Response();
-            $response->getBody()->write($message);
-            $response = $response->withHeader('Content-type', $contentType);
-
-            return $response->withStatus(500);
+            return $this->responseByConfigMessage('ajax');
         }
 
         if ($this->renderer instanceof ZendViewRenderer) {

diff --git a/src/Middleware/ExpressiveFactory.php b/src/Middleware/ExpressiveFactory.php
@@ -34,7 +34,9 @@ private function createMiddlewareInstance(ContainerInterface $container, array $
         return new Expressive(
             $configuration['error-hero-module'],
             $container->get(Logging::class),
-            $container->get(TemplateRendererInterface::class)
+            $container->has(TemplateRendererInterface::class)
+                ? $container->get(TemplateRendererInterface::class)
+                : null
         );
     }