Issue #2727545 by Lendude, Sagar Ramgade, dawehner, yvesmarie, xjm: Missing return value in ViewExecutable execute() methods

core/modules/views/src/ViewExecutable.php

@@ -1421,7 +1421,7 @@ class ViewExecutable implements \Serializable {
     // Let modules modify the view just after executing it.
     $module_handler->invokeAll('views_post_execute', array($this));
 
-    $this->executed = TRUE;
+    return $this->executed = TRUE;
   }
 
   /**

core/modules/views/tests/src/Unit/ViewExecutableTest.php

@@ -21,6 +21,16 @@ use Symfony\Component\Routing\Route;
  */
 class ViewExecutableTest extends UnitTestCase {
 
+  /**
+   * Indicates that a display is enabled.
+   */
+  const DISPLAY_ENABLED = TRUE;
+
+  /**
+   * Indicates that a display is disabled.
+   */
+  const DISPLAY_DISABLED = FALSE;
+
   /**
    * A mocked display collection.
    *
@@ -632,4 +642,52 @@ class ViewExecutableTest extends UnitTestCase {
     $view->execute();
   }
 
+  /**
+   * Tests the return values for the execute() method.
+   *
+   * @param bool $display_enabled
+   *   Whether the display to test should be enabled.
+   * @param bool $expected_result
+   *   The expected result when calling execute().
+   *
+   * @covers ::execute
+   * @dataProvider providerExecuteReturn
+   */
+  public function testExecuteReturn($display_enabled, $expected_result) {
+    /** @var \Drupal\views\ViewExecutable|\PHPUnit_Framework_MockObject_MockObject $view */
+    /** @var \Drupal\views\Plugin\views\display\DisplayPluginBase|\PHPUnit_Framework_MockObject_MockObject $display */
+    list($view, $display) = $this->setupBaseViewAndDisplay();
+
+    $display->expects($this->any())
+      ->method('isEnabled')
+      ->willReturn($display_enabled);
+
+    // Pager needs to be set to avoid false test failures.
+    $view->pager = $this->getMockBuilder(NonePager::class)
+      ->disableOriginalConstructor()
+      ->getMock();
+
+    $query = $this->getMockBuilder(QueryPluginBase::class)
+      ->disableOriginalConstructor()
+      ->getMock();
+
+    $view->query = $query;
+    $view->built = TRUE;
+
+    $this->assertEquals($expected_result, $view->execute());
+  }
+
+  /**
+   * Provider for testExecuteReturn().
+   *
+   * @return array[]
+   *   An array of arrays containing the display state and expected value.
+   */
+  public function providerExecuteReturn() {
+    return [
+      'enabled' => [static::DISPLAY_ENABLED, TRUE],
+      'disabled' => [static::DISPLAY_DISABLED, FALSE],
+    ];
+  }
+
 }