Issue #2565031 by penyaskito: Expose $entity in ConfigEntityMapper

core/modules/config_translation/src/ConfigEntityMapper.php

@@ -117,6 +117,16 @@ class ConfigEntityMapper extends ConfigNamesMapper {
   }
 
   /**
+   * Gets the entity instance for this mapper.
+   *
+   * @return \Drupal\Core\Config\Entity\ConfigEntityInterface $entity
+   *   The configuration entity.
+   */
+  public function getEntity() {
+    return $this->entity;
+  }
+
+    /**
    * Sets the entity instance for this mapper.
    *
    * This method can only be invoked when the concrete entity is known, that is

core/modules/config_translation/tests/src/Unit/ConfigEntityMapperTest.php

@@ -99,9 +99,9 @@ class ConfigEntityMapperTest extends UnitTestCase {
   }
 
   /**
-   * Tests ConfigEntityMapper::setEntity().
+   * Tests ConfigEntityMapper::setEntity() and ConfigEntityMapper::getEntity().
    */
-  public function testSetEntity() {
+  public function testEntityGetterAndSetter() {
     $this->entity
       ->expects($this->once())
       ->method('id')
@@ -119,9 +119,15 @@ class ConfigEntityMapperTest extends UnitTestCase {
       ->with('configurable_language')
       ->will($this->returnValue($entity_type));
 
+    // No entity is set.
+    $this->assertNull($this->configEntityMapper->getEntity());
+
     $result = $this->configEntityMapper->setEntity($this->entity);
     $this->assertTrue($result);
 
+    // Ensure that the getter provides the entity.
+    $this->assertEquals($this->entity, $this->configEntityMapper->getEntity());
+
     // Ensure that the configuration name was added to the mapper.
     $plugin_definition = $this->configEntityMapper->getPluginDefinition();
     $this->assertTrue(in_array('config_prefix.entity_id', $plugin_definition['names']));