MOBILE-3926 behat: Implement scroll to step

tests/behat/app_behat_runtime.js

@@ -526,6 +526,33 @@
         }
     };
 
+    /**
+     * Scroll an element into view.
+     *
+     * @param {object} locator Element locator.
+     * @return {string} OK if successful, or ERROR: followed by message
+     */
+    const behatScrollTo = function(locator) {
+        log('Action - scrollTo', { locator });
+
+        try {
+            let element = findElementsBasedOnText(locator)[0];
+
+            if (!element) {
+                return 'ERROR: No matches for text';
+            }
+
+            element = element.closest('ion-item') ?? element.closest('button') ?? element;
+
+            element.scrollIntoView();
+
+            log('Action - Scrolled to', { locator, element });
+            return 'OK';
+        } catch (error) {
+            return 'ERROR: ' + error.message;
+        }
+    }
+
     /**
      * Check whether an item is selected or not.
      *
@@ -678,6 +705,7 @@
         pressStandard : behatPressStandard,
         closePopup : behatClosePopup,
         find : behatFind,
+        scrollTo : behatScrollTo,
         isSelected : behatIsSelected,
         press : behatPress,
         setField : behatSetField,

tests/behat/behat_app.php

@@ -181,6 +181,29 @@ class behat_app extends behat_base {
         $this->wait_for_pending_js();
     }
 
+    /**
+     * Scroll to an element in the app.
+     *
+     * @When /^I scroll to (".+") in the app$/
+     * @param string $locator
+     */
+    public function i_scroll_to_in_the_app(string $locator) {
+        $locator = $this->parse_element_locator($locator);
+        $locatorjson = json_encode($locator);
+
+        $this->spin(function() use ($locatorjson) {
+            $result = $this->evaluate_script("return window.behat.scrollTo($locatorjson);");
+
+            if ($result !== 'OK') {
+                throw new DriverException('Error finding item - ' . $result);
+            }
+
+            return true;
+        });
+
+        $this->wait_for_pending_js();
+    }
+
     /**
      * Trigger swipe gesture.
      *