MDL-50919 behat: Step for keypress event in behat

lib/behat/form_field/behat_form_field.php

@@ -95,6 +95,20 @@ public function get_value() {
         return $instance->get_value();
     }
 
+    /**
+     * Presses specific keyboard key.
+     *
+     * @param mixed  $char     could be either char ('b') or char-code (98)
+     * @param string $modifier keyboard modifier (could be 'ctrl', 'alt', 'shift' or 'meta')
+     */
+    public function key_press($char, $modifier = null) {
+        // We delegate to the best guess, if we arrived here
+        // using the generic behat_form_field is because we are
+        // dealing with a fgroup element.
+        $instance = $this->guess_type();
+        return $instance->field->keyPress($char, $modifier);
+    }
+
     /**
      * Generic match implementation
      *

lib/tests/behat/behat_forms.php

@@ -160,6 +160,34 @@ public function i_set_the_field_to($field, $value) {
         $this->set_field_value($field, $value);
     }
 
+    /**
+     * Press the key in the field to trigger the javascript keypress event
+     *
+     * Note that the character key will not actually be typed in the input field
+     *
+     * @Given /^I press key "(?P<key_string>(?:[^"]|\\")*)" in the field "(?P<field_string>(?:[^"]|\\")*)"$/
+     * @throws ElementNotFoundException Thrown by behat_base::find
+     * @param string $key either char-code or character itself,
+     *          may optionally be prefixed with ctrl-, alt-, shift- or meta-
+     * @param string $field
+     * @return void
+     */
+    public function i_press_key_in_the_field($key, $field) {
+        if (!$this->running_javascript()) {
+            throw new DriverException('Key press step is not available with Javascript enabled');
+        }
+        $fld = behat_field_manager::get_form_field_from_label($field, $this);
+        $modifier = null;
+        $char = $key;
+        if (preg_match('/-/', $key)) {
+            list($modifier, $char) = preg_split('/-/', $key, 2);
+        }
+        if (is_numeric($char)) {
+            $char = (int)$char;
+        }
+        $fld->key_press($char, $modifier);
+    }
+
     /**
      * Sets the specified value to the field.
      *