Update for Cake 4.

composer.json

@@ -5,11 +5,10 @@
     "homepage": "http://github.com/friendsofcake/CakePdf",
     "license": "MIT",
     "require": {
-        "cakephp/cakephp": "^3.5"
+        "cakephp/cakephp": "4.x-dev"
     },
     "require-dev": {
-        "cakephp/chronos": "^1.1",
-        "phpunit/phpunit": "^5.7.14|^6.0",
+        "phpunit/phpunit": "^7.0",
         "dompdf/dompdf": "^0.8",
         "mpdf/mpdf": "^7.0",
         "tecnickcom/tcpdf": "^6.2"
@@ -27,10 +26,13 @@
     "autoload-dev": {
         "psr-4": {
             "Cake\\Test\\": "vendor/cakephp/cakephp/tests",
-            "CakePdf\\Test\\": "tests"
+            "CakePdf\\Test\\": "tests",
+            "MyPlugin\\": "tests/test_app/Plugin/MyPlugin/src"
         }
     },
     "replace": {
         "ceeram/cakepdf": "self.version"
-    }
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }

phpunit.xml.dist

@@ -1,16 +1,17 @@
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-		 		 bootstrap="./tests/bootstrap.php"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnError="false"
-         stopOnFailure="false"
-         stopOnIncomplete="false"
-         stopOnSkipped="false"
-         syntaxCheck="false">
+<phpunit
+    backupGlobals="false"
+    backupStaticAttributes="false"
+    bootstrap="./tests/bootstrap.php"
+    colors="true"
+    convertErrorsToExceptions="true"
+    convertNoticesToExceptions="true"
+    convertWarningsToExceptions="true"
+    processIsolation="false"
+    stopOnError="false"
+    stopOnFailure="false"
+    stopOnIncomplete="false"
+    stopOnSkipped="false"
+>
 
     <testsuites>
         <testsuite name="CakePdf Plugin Tests">

src/View/PdfView.php

@@ -17,21 +17,21 @@ class PdfView extends View
      *
      * @var string|null
      */
-    public $subDir = 'pdf';
+    protected $subDir = 'pdf';
 
     /**
      * The name of the layouts subfolder containing layouts for this View.
      *
      * @var string|null
      */
-    public $layoutPath = 'pdf';
+    protected $layoutPath = 'pdf';
 
     /**
      * CakePdf Instance
      *
      * @var \CakePdf\Pdf\CakePdf|null
      */
-    protected $_renderer = null;
+    protected $_renderer;
 
     /**
      * List of pdf configs collected from the associated controller.
@@ -67,13 +67,15 @@ public function __construct(
         );
 
         $this->response = $this->response->withType('pdf');
-        if (isset($viewOptions['templatePath']) && $viewOptions['templatePath'] == 'Error') {
-            $this->subDir = null;
-            $this->layoutPath = null;
+
+        if (isset($viewOptions['templatePath']) && $viewOptions['templatePath'] === 'Error') {
+            $this->subDir = '';
+            $this->layoutPath = '';
             $this->response = $this->response->withType('html');
 
             return;
         }
+
         if (!$this->pdfConfig) {
             throw new Exception(__d('cakepdf', 'Controller attribute $pdfConfig is not correct or missing'));
         }
@@ -102,7 +104,7 @@ public function renderer($config = null)
      * @param string $layout The layout being rendered.
      * @return string The rendered view.
      */
-    public function render($view = null, $layout = null)
+    public function render(?string $view = null, $layout = null): string
     {
         $content = parent::render($view, $layout);
 

tests/TestCase/Pdf/CakePdfTest.php

@@ -125,7 +125,7 @@ public function testCustomTemplatePaths($config)
     public function testPluginOutput($config)
     {
         $pdf = new CakePdf($config);
-        Plugin::load('MyPlugin', ['autoload' => true]);
+        $this->loadPlugins(['MyPlugin']);
         $pdf->viewVars(['data' => 'testing']);
         $pdf->template('MyPlugin.testing', 'MyPlugin.pdf');
         $pdf->helpers('MyPlugin.MyTest');

tests/TestCase/View/PdfViewTest.php

@@ -55,9 +55,9 @@ public function setUp()
     public function testConstruct()
     {
         if (version_compare(Configure::version(), '3.6.0', '<')) {
-            $result = $this->View->response->type();
+            $result = $this->View->getResponse()->type();
         } else {
-            $result = $this->View->response->getType();
+            $result = $this->View->getResponse()->getType();
         }
         $this->assertEquals('application/pdf', $result);
 
@@ -98,7 +98,7 @@ public function testRenderWithDownload()
         $this->assertContains('<h2>Rendered with default layout</h2>', $result);
         $this->assertContains('Post data: This is the post', $result);
 
-        $this->assertContains('filename="posts.pdf"', $this->View->response->getHeaderLine('Content-Disposition'));
+        $this->assertContains('filename="posts.pdf"', $this->View->getResponse()->getHeaderLine('Content-Disposition'));
     }
 
     /**
@@ -117,7 +117,10 @@ public function testRenderWithFilename()
         $this->assertContains('<h2>Rendered with default layout</h2>', $result);
         $this->assertContains('Post data: This is the post', $result);
 
-        $this->assertContains('filename="booyah.pdf"', $this->View->response->getHeaderLine('Content-Disposition'));
+        $this->assertContains(
+            'filename="booyah.pdf"',
+            $this->View->getResponse()->getHeaderLine('Content-Disposition')
+        );
     }
 
     /**
@@ -139,16 +142,12 @@ public function testRenderErrorTemplate()
     {
         $request = new ServerRequest();
         $response = new Response();
-        $this->View = new PdfView($request, $response, null, [ 'templatePath' => 'Error' ]);
+        $this->View = new PdfView($request, $response, null, ['templatePath' => 'Error']);
 
-        $this->assertNull($this->View->subDir);
-        $this->assertNull($this->View->layoutPath);
+        $this->assertSame('', $this->View->getSubDir());
+        $this->assertSame('', $this->View->getLayoutPath());
 
-        if (version_compare(Configure::version(), '3.6.0', '<')) {
-            $result = $this->View->response->type();
-        } else {
-            $result = $this->View->response->getType();
-        }
+        $result = $this->View->getResponse()->getType();
         $this->assertEquals('text/html', $result);
     }
 }

tests/bootstrap.php

@@ -29,8 +29,8 @@
     'templates' => [$root . '/tests/test_app/Template/'],
 ]);
 
-Plugin::load('CakePdf', [
-    'path' => dirname(dirname(__FILE__)) . DS,
-    'routes' => true,
-    'bootstrap' => true,
-]);
+// Plugin::load('CakePdf', [
+//     'path' => dirname(dirname(__FILE__)) . DS,
+//     'routes' => true,
+//     'bootstrap' => true,
+// ]);