--- /dev/null
+<?php
+
+namespace Drupal\Tests\config\Functional;
+
+use Drupal\FunctionalTests\Installer\InstallerTestBase;
+use Drupal\Core\Config\InstallStorage;
+use Drupal\Core\Serialization\Yaml;
+
+/**
+ * Tests install profile config overrides can not add unmet dependencies.
+ *
+ * @group Config
+ */
+class ConfigInstallProfileUnmetDependenciesTest extends InstallerTestBase {
+
+ /**
+ * The installation profile to install.
+ *
+ * @var string
+ */
+ protected $profile = 'testing_config_overrides';
+
+ /**
+ * Contains the expected exception if it is thrown.
+ *
+ * @var \Drupal\Core\Config\UnmetDependenciesException
+ */
+ protected $expectedException = FALSE;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function prepareEnvironment() {
+ parent::prepareEnvironment();
+ $this->copyTestingOverrides();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ // During set up an UnmetDependenciesException should be thrown, which will
+ // be re-thrown by TestHttpClientMiddleware as a standard Exception.
+ try {
+ parent::setUp();
+ }
+ catch (\Exception $exception) {
+ $this->expectedException = $exception;
+ }
+ }
+
+ /**
+ * Copy the testing_config_overrides install profile.
+ *
+ * So we can change the configuration to include a dependency that can not be
+ * met. File API functions are not available yet.
+ */
+ protected function copyTestingOverrides() {
+ $dest = $this->siteDirectory . '/profiles/testing_config_overrides';
+ mkdir($dest, 0777, TRUE);
+ $source = DRUPAL_ROOT . '/core/profiles/testing_config_overrides';
+ $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($source, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST);
+ foreach ($iterator as $item) {
+ if ($item->isDir()) {
+ mkdir($dest . DIRECTORY_SEPARATOR . $iterator->getSubPathName());
+ }
+ else {
+ copy($item, $dest . DIRECTORY_SEPARATOR . $iterator->getSubPathName());
+ }
+ }
+
+ // Add a dependency that can not be met because User is installed before
+ // Action.
+ $config_file = $dest . DIRECTORY_SEPARATOR . InstallStorage::CONFIG_INSTALL_DIRECTORY . DIRECTORY_SEPARATOR . 'system.action.user_block_user_action.yml';
+ $action = Yaml::decode(file_get_contents($config_file));
+ $action['dependencies']['module'][] = 'action';
+ file_put_contents($config_file, Yaml::encode($action));
+ }
+
+ /**
+ * Confirms that the installation succeeded.
+ */
+ public function testInstalled() {
+ if ($this->expectedException) {
+ $this->assertContains('Configuration objects provided by <em class="placeholder">user</em> have unmet dependencies: <em class="placeholder">system.action.user_block_user_action (action)</em>', $this->expectedException->getMessage());
+ $this->assertContains('Drupal\Core\Config\UnmetDependenciesException', $this->expectedException->getMessage());
+ }
+ else {
+ $this->fail('Expected Drupal\Core\Config\UnmetDependenciesException exception not thrown');
+ }
+ }
+
+}