[#447] NEW: Adding example for sleep before wait is used

examples/sleep_before_wait_starts.py

@@ -0,0 +1,74 @@
+import time
+import pytest
+
+from selene import browser
+from selene.core.wait import Wait
+
+DEFAULT_SLEEP_TIME = 1.0
+CUSTOM_SLEEP_TIME = 5.0
+
+
+def sleep_before_wait(wait: Wait, sleep_time=DEFAULT_SLEEP_TIME):
+    def sleep_before_wait_decorator(for_):
+        def decorated(fn):
+            time.sleep(sleep_time)
+            try:
+                res = for_(fn)
+                return res
+            except Exception as error:
+                raise error
+
+        return decorated
+
+    return sleep_before_wait_decorator
+
+
+@pytest.fixture(scope='function')
+def browser_management_with_default_sleep():
+    browser.config._wait_decorator = sleep_before_wait
+
+    yield
+
+
+@pytest.fixture(scope='function')
+def browser_management_with_custom_sleep():
+    def custom_sleep_decorator(fn):
+        return sleep_before_wait(fn, sleep_time=CUSTOM_SLEEP_TIME)
+
+    browser.config._wait_decorator = custom_sleep_decorator
+
+    yield
+
+
+def test_sleep_via__wait_decorator(browser_management_with_default_sleep):
+    """
+    Waits 1 second each before typing and pressing enter
+    So the difference between epoch time should be equal to or more that 2
+
+    """
+    browser.open('http://todomvc.com/examples/emberjs/')
+    for _ in range(2):
+        browser.element('#new-todo').type(f'{time.time()}').press_enter()
+    todo_items = browser.all('#todo-list>li')
+    initial_epoch_time = float(todo_items.first().text)
+    final_epoch_time = float(todo_items.second().text)
+
+    assert final_epoch_time - initial_epoch_time >= 2 * DEFAULT_SLEEP_TIME
+
+
+def test_sleep_via_wait_decorator_with_custom_time(
+    browser_management_with_custom_sleep,
+):
+    """
+    Waits 0.5 second each before typing and pressing enter
+    So the difference between epoch time should be equal to or more that 1
+
+    """
+    browser.open('http://todomvc.com/examples/emberjs/')
+    for _ in range(2):
+        browser.element('#new-todo').type(f'{time.time()}').press_enter()
+    todo_items = browser.all('#todo-list>li').sliced(2)
+    initial_epoch_time = float(todo_items.first().text)
+    final_epoch_time = float(todo_items.second().text)
+
+    assert final_epoch_time - initial_epoch_time >= 2 * CUSTOM_SLEEP_TIME