--- /dev/null
+import { execSync } from 'child_process';
+import { URL } from 'url';
+
+/**
+ * Logs out from a Drupal site.
+ *
+ * @param {object} [settings={}]
+ * The settings object.
+ * @param {boolean} [settings.silent=false]
+ * If the command should be run silently.
+ * @param {function} callback
+ * A callback which will be called, when the logout is finished.
+ * @return {object}
+ * The drupalLogout command.
+ */
+exports.command = function drupalLogout({ silent = false } = {}, callback) {
+ const self = this;
+
+ this.drupalRelativeURL('/user/logout');
+
+ this.drupalUserIsLoggedIn(sessionExists => {
+ if (silent) {
+ if (sessionExists) {
+ throw new Error('Logging out failed.');
+ }
+ } else {
+ this.assert.equal(sessionExists, false, 'The user was logged out.');
+ }
+ });
+
+ if (typeof callback === 'function') {
+ callback.call(self);
+ }
+
+ return this;
+};