Add methods to verify the state of Drupal features.

src/Palantirnet/PalantirBehatExtension/Context/DrupalSetupContext.php

@@ -0,0 +1,56 @@
+<?php
+/**
+ * @file
+ * Behat context for validating Drupal configuration.
+ *
+ * @copyright (c) Copyright 2015 Palantir.net, Inc.
+ */
+
+namespace Palantirnet\PalantirBehatExtension\Context;
+
+class DrupalSetupContext extends SharedDrupalContext
+{
+
+    /**
+     * @Given a Drupal site
+     */
+    public function assertDrupal()
+    {
+        if (!$this->getDriver()->isBootstrapped()) {
+            throw new \Exception('The Drupal site is not bootstrapped.');
+        }
+    }
+
+    /**
+     * @Then the :module module is installed
+     */
+    public function assertModuleInstalled($module)
+    {
+        if (!module_exists('features')) {
+            throw new \Exception(sprintf('The "%s" module is not installed.', $module));
+        }
+    }
+
+    /**
+     * @Then no Drupal features are overridden
+     */
+    public function assertDefaultDrupalFeatures()
+    {
+        $this->assertModuleInstalled('features');
+
+        module_load_include('inc', 'features', 'features.export');
+        $features = features_get_features(NULL, TRUE);
+
+        $overridden = array();
+        foreach ($features as $k => $m) {
+            if (features_get_storage($m->name) == FEATURES_OVERRIDDEN) {
+                $overridden[] = $m->name;
+            }
+        }
+
+        if (!empty($overridden)) {
+            throw new \Exception(sprintf('%d Drupal features are overridden: %s.', count($overridden), implode(', ', $overridden)));
+        }
+    }
+
+}