Merge pull request #87 from visto9259/fix/3

Fix `assertTemplateName()` checking only the first leaf in the view model tree.

Author: Xerkus

src/PHPUnit/Controller/AbstractControllerTestCase.php

@@ -792,7 +792,10 @@ public function assertTemplateName($templateName)
         }
 
         $viewModel = $application->getMvcEvent()->getViewModel();
-        $this->assertTrue($this->searchTemplates($viewModel, $templateName));
+        $this->assertTrue(
+            $this->searchTemplates($viewModel, $templateName),
+            sprintf('Failed asserting that view model tree contains template "%s"', $templateName)
+        );
     }
 
     /**
@@ -805,7 +808,10 @@ public function assertTemplateName($templateName)
     public function assertNotTemplateName($templateName)
     {
         $viewModel = $this->getApplication()->getMvcEvent()->getViewModel();
-        $this->assertFalse($this->searchTemplates($viewModel, $templateName));
+        $this->assertFalse(
+            $this->searchTemplates($viewModel, $templateName),
+            sprintf('Failed asserting that view model tree does not contain template "%s"', $templateName)
+        );
     }
 
     /**
@@ -820,8 +826,11 @@ protected function searchTemplates($viewModel, $templateName)
         if ($viewModel->getTemplate($templateName) === $templateName) {
             return true;
         }
+
         foreach ($viewModel->getChildren() as $child) {
-            return $this->searchTemplates($child, $templateName);
+            if ($this->searchTemplates($child, $templateName)) {
+                return true;
+            }
         }
 
         return false;

test/PHPUnit/Controller/AbstractControllerTestCaseTest.php

@@ -538,6 +538,68 @@ public function testAssertNotTemplateName(): void
         $this->assertNotTemplateName('template/does/not/exist');
     }
 
+    /**
+     * Test case for a controller returning a view with deeply nested children
+     * View hierarchy:
+     *   layout/layout -> baz/index/childview -> child1 -> child3
+     *                                        -> child2
+     */
+    public function testSearchTemplatesVerifiesDeeplyNestedTemplateName(): void
+    {
+        $this->dispatch('/childview');
+
+        // Check that the rendered content
+        $this->assertQueryContentContains('p', 'Parent');
+        $this->assertQueryContentContains('p', 'Child 1');
+        $this->assertQueryContentContains('p', 'Child 2');
+        $this->assertQueryContentContains('p', 'Child 3');
+
+        $this->assertTemplateName('layout/layout');
+        $this->assertTemplateName('baz/index/childview');
+        $this->assertTemplateName('child1');
+        $this->assertTemplateName('child2');
+        $this->assertTemplateName('child3');
+        $this->assertNotTemplateName('foo');
+    }
+
+    /**
+     * Check that the assertion fails when template is NOT found where it was supposed to found
+     */
+    public function testAssertTemplateNameFailsWhenNotFound(): void
+    {
+        $this->dispatch('/childview');
+
+        try {
+            $this->assertTemplateName('foo');
+        } catch (ExpectationFailedException $exception) {
+            $this->assertStringContainsString(
+                'Failed asserting that view model tree contains template "foo"',
+                $exception->getMessage()
+            );
+            return;
+        }
+        $this->fail('Expected Exception not thrown');
+    }
+
+    /**
+     * Check that the assertion fails when template is found where it was NOT supposed to found
+     */
+    public function testAssertNotTemplateNameFailsWhenFound(): void
+    {
+        $this->dispatch('/childview');
+
+        try {
+            $this->assertNotTemplateName('child1');
+        } catch (ExpectationFailedException $exception) {
+            $this->assertStringContainsString(
+                'Failed asserting that view model tree does not contain template "child1"',
+                $exception->getMessage()
+            );
+            return;
+        }
+        $this->fail('Expected Exception not thrown');
+    }
+
     public function testCustomResponseObject(): void
     {
         $this->dispatch('/custom-response');

test/_files/Baz/config/module.config.php

@@ -108,6 +108,16 @@
                     ],
                 ],
             ],
+            'childview'                => [
+                'type'    => 'literal',
+                'options' => [
+                    'route'    => '/childview',
+                    'defaults' => [
+                        'controller' => 'baz_index',
+                        'action'     => 'childview',
+                    ],
+                ],
+            ],
         ],
     ],
     'controllers'  => [
@@ -117,8 +127,11 @@
     ],
     'view_manager' => [
         'template_map'        => [
-            '404'   => __DIR__ . '/../view/baz/error/404.phtml',
-            'error' => __DIR__ . '/../view/baz/error/error.phtml',
+            '404'    => __DIR__ . '/../view/baz/error/404.phtml',
+            'error'  => __DIR__ . '/../view/baz/error/error.phtml',
+            'child1' => __DIR__ . '/../view/baz/index/child1.phtml',
+            'child2' => __DIR__ . '/../view/baz/index/child2.phtml',
+            'child3' => __DIR__ . '/../view/baz/index/child3.phtml',
         ],
         'template_path_stack' => [
             __DIR__ . '/../view',

test/_files/Baz/src/Baz/Controller/IndexController.php

@@ -6,6 +6,7 @@
 
 use Laminas\Http\Response;
 use Laminas\Mvc\Controller\AbstractActionController;
+use Laminas\View\Model\ViewModel;
 use RuntimeException;
 
 class IndexController extends AbstractActionController
@@ -61,4 +62,19 @@ public function customResponseAction()
     public function registerxpathnamespaceAction()
     {
     }
+
+    public function childViewAction(): ViewModel
+    {
+        $child1 = new ViewModel();
+        $child1->setTemplate('child1');
+        $child2 = new ViewModel();
+        $child2->setTemplate('child2');
+        $child3 = new ViewModel();
+        $child3->setTemplate('child3');
+        $view = new ViewModel();
+        $view->addChild($child1, 'child1');
+        $child1->addChild($child3, 'child3');
+        $view->addChild($child2, 'child2');
+        return $view;
+    }
 }

test/_files/Baz/view/baz/index/child1.phtml

@@ -0,0 +1,2 @@
+<p>Child 1</p>
+<?php echo $this->child3; ?>

test/_files/Baz/view/baz/index/child2.phtml

@@ -0,0 +1 @@
+<p>Child 2</p>

test/_files/Baz/view/baz/index/child3.phtml

@@ -0,0 +1 @@
+<p>Child 3</p>

test/_files/Baz/view/baz/index/childview.phtml

@@ -0,0 +1,3 @@
+<p>Parent</p>
+<?php echo $this->child1; ?>
+<?php echo $this->child2; ?>