--- /dev/null
+<?php
+
+namespace Drupal\content_translation\Tests;
+
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Test enabling content translation module.
+ *
+ * @group content_translation
+ */
+class ContentTranslationEnableTest extends WebTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['entity_test', 'menu_link_content', 'node'];
+
+ /**
+ * Tests that entity schemas are up-to-date after enabling translation.
+ */
+ public function testEnable() {
+ $this->drupalLogin($this->rootUser);
+ // Enable modules and make sure the related config entity type definitions
+ // are installed.
+ $edit = [
+ 'modules[content_translation][enable]' => TRUE,
+ 'modules[language][enable]' => TRUE,
+ ];
+ $this->drupalPostForm('admin/modules', $edit, t('Install'));
+
+ // Status messages are shown.
+ $this->assertText(t('This site has only a single language enabled. Add at least one more language in order to translate content.'));
+ $this->assertText(t('Enable translation for content types, taxonomy vocabularies, accounts, or any other element you wish to translate.'));
+
+ // No pending updates should be available.
+ $this->drupalGet('admin/reports/status');
+ $requirement_value = $this->cssSelect("details.system-status-report__entry summary:contains('Entity/field definitions') + div");
+ $this->assertEqual(t('Up to date'), trim((string) $requirement_value[0]));
+
+ $this->drupalGet('admin/config/regional/content-language');
+ // The node entity type should not be an option because it has no bundles.
+ $this->assertNoRaw('entity_types[node]');
+ // Enable content translation on entity types that have will have a
+ // content_translation_uid.
+ $edit = [
+ 'entity_types[menu_link_content]' => TRUE,
+ 'settings[menu_link_content][menu_link_content][translatable]' => TRUE,
+ 'entity_types[entity_test_mul]' => TRUE,
+ 'settings[entity_test_mul][entity_test_mul][translatable]' => TRUE,
+ ];
+ $this->drupalPostForm(NULL, $edit, t('Save configuration'));
+
+ // No pending updates should be available.
+ $this->drupalGet('admin/reports/status');
+ $requirement_value = $this->cssSelect("details.system-status-report__entry summary:contains('Entity/field definitions') + div");
+ $this->assertEqual(t('Up to date'), trim((string) $requirement_value[0]));
+
+ // Create a node type and check the content translation settings are now
+ // available for nodes.
+ $edit = [
+ 'name' => 'foo',
+ 'title_label' => 'title for foo',
+ 'type' => 'foo',
+ ];
+ $this->drupalPostForm('admin/structure/types/add', $edit, t('Save content type'));
+ $this->drupalGet('admin/config/regional/content-language');
+ $this->assertRaw('entity_types[node]');
+ }
+
+}