Issue #3462700 by niklan, richardgaunt, smustgrave, pdureau: Update...

Issue #3462700 by niklan, richardgaunt, smustgrave, pdureau: Update ComponentValidator to always include the component ID

(cherry picked from commit 39b27921)

core/lib/Drupal/Core/Theme/Component/ComponentValidator.php

@@ -138,7 +138,7 @@ public function validateDefinition(array $definition, bool $enforce_schemas): bo
       ...$message_parts,
       ...$missing_class_errors,
     ];
-    $message = implode("/n", $message_parts);
+    $message = implode("\n", $message_parts);
     // Throw the exception with the error message.
     throw new InvalidComponentException($message);
   }
@@ -208,7 +208,7 @@ function (array $error) use ($context): bool {
       return TRUE;
     }
     $message_parts = array_map(
-      static function (array $error): string {
+      static function (array $error) use ($component_id, $context): string {
         // We check the error message instead of values and definitions here
         // because it's hard to access both given the possible complexity of a
         // schema. Since this is a small non critical DX improvement error
@@ -217,11 +217,17 @@ static function (array $error): string {
           $error['message'] .= '. This may be because the property is empty instead of having data present. If possible fix the source data, use the |default() twig filter, or update the schema to allow multiple types.';
         }
 
-        return sprintf("[%s] %s", $error['property'], $error['message']);
+        // If the property value has been set, print it out for easier
+        // debugging.
+        if (isset($context[$error['property']]) && \is_scalar($context[$error['property']])) {
+          $error['message'] .= \sprintf('. The provided value is: "%s"', $context[$error['property']]);
+        }
+
+        return sprintf('[%s/%s] %s.', $component_id, $error['property'], $error['message']);
       },
       $errors
     );
-    $message = implode("/n", $message_parts);
+    $message = implode("\n", $message_parts);
     throw new InvalidComponentException($message);
   }
 
@@ -276,7 +282,7 @@ private function validateClassProps(array $props_schema, array $props_raw, strin
     }
     $props_schema = $this->nullifyClassPropsSchema($props_schema, $classes_per_prop);
     if (!empty($error_messages)) {
-      $message = implode("/n", $error_messages);
+      $message = implode("\n", $error_messages);
       throw new InvalidComponentException($message);
     }
     return [$props_schema, $props_raw];

core/tests/Drupal/Tests/Core/Theme/Component/ComponentValidatorTest.php

@@ -159,13 +159,14 @@ public static function dataProviderValidatePropsValid(): array {
    *
    * @throws \Drupal\Core\Render\Component\Exception\InvalidComponentException
    */
-  public function testValidatePropsInvalid(array $context, string $component_id, array $definition): void {
+  public function testValidatePropsInvalid(array $context, string $component_id, array $definition, string $expected_exception_message): void {
     $component = new Component(
       ['app_root' => '/fake/path/root'],
       'sdc_test:' . $component_id,
       $definition
     );
     $this->expectException(InvalidComponentException::class);
+    $this->expectExceptionMessage($expected_exception_message);
     $component_validator = new ComponentValidator();
     $component_validator->setValidator();
     $component_validator->validateProps($context, $component);
@@ -175,7 +176,7 @@ public function testValidatePropsInvalid(array $context, string $component_id, a
    * Data provider with invalid component props.
    *
    * @return array
-   *   The data.
+   *   Returns the generator with the invalid properties.
    */
   public static function dataProviderValidatePropsInvalid(): array {
     return [
@@ -187,6 +188,7 @@ public static function dataProviderValidatePropsInvalid(): array {
         ],
         'my-cta',
         static::loadComponentDefinitionFromFs('my-cta'),
+        '[sdc_test:my-cta/text] The property text is required.',
       ],
       'attributes with invalid object class' => [
         [
@@ -197,11 +199,13 @@ public static function dataProviderValidatePropsInvalid(): array {
         ],
         'my-cta',
         static::loadComponentDefinitionFromFs('my-cta'),
+        'Data provided to prop "attributes" for component "sdc_test:my-cta" is not a valid instance of "Drupal\Core\Template\Attribute"',
       ],
       'ctaTarget violates the allowed properties in the enum' => [
         ['ctaTarget' => 'foo'],
         'my-banner',
         static::loadComponentDefinitionFromFs('my-banner'),
+        '[sdc_test:my-banner/ctaTarget] Does not have a value in the enumeration ["","_blank"]. The provided value is: "foo".',
       ],
     ];
   }