Add delay argument to dash_duo.multiple_click

Author: T4rk1n

dash/testing/browser.py

@@ -511,10 +511,12 @@ def _get_firefox(self):
     def _is_windows():
         return sys.platform == "win32"
 
-    def multiple_click(self, elem_or_selector, clicks):
+    def multiple_click(self, elem_or_selector, clicks, delay=None):
         """multiple_click click the element with number of `clicks`."""
         for _ in range(clicks):
             self._get_element(elem_or_selector).click()
+            if delay:
+                time.sleep(delay)
 
     def clear_input(self, elem_or_selector):
         """Simulate key press to clear the input."""

tests/integration/callbacks/test_prevent_update.py

@@ -1,4 +1,3 @@
-import time
 from multiprocessing import Value
 
 from copy import copy
@@ -95,10 +94,7 @@ def show_clicks(n):
 
     dash_duo.start_server(app)
 
-    btn = dash_duo.wait_for_element("#btn")
-    for i in range(10):
-        btn.click()
-        time.sleep(0.2)
+    dash_duo.multiple_click("#btn", 10, 0.2)
 
     dash_duo.wait_for_text_to_equal("#n1", "4")
     dash_duo.wait_for_text_to_equal("#n2", "2")