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# to you under the Apache License, Version 2.0 (the
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#
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#
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# KIND, either express or implied. See the License for the
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# under the License.
import re
from collections.abc import Iterable
from typing import Any
from typing import Callable
from typing import List
from typing import Literal
from typing import Tuple
from typing import TypeVar
from typing import Union
from selenium.common.exceptions import NoAlertPresentException
from selenium.common.exceptions import NoSuchElementException
from selenium.common.exceptions import NoSuchFrameException
from selenium.common.exceptions import StaleElementReferenceException
from selenium.common.exceptions import WebDriverException
from selenium.webdriver.common.alert import Alert
from selenium.webdriver.remote.webdriver import WebDriver
from selenium.webdriver.remote.webdriver import WebElement
"""
* Canned "Expected Conditions" which are generally useful within webdriver
* tests.
"""
D = TypeVar("D")
T = TypeVar("T")
WebDriverOrWebElement = Union[WebDriver, WebElement]
[docs]def title_is(title: str) -> Callable[[WebDriver], bool]:
"""An expectation for checking the title of a page.
Parameters:
----------
title : str
The expected title, which must be an exact match.
Returns:
-------
boolean : True if the title matches, False otherwise.
"""
def _predicate(driver: WebDriver):
return driver.title == title
return _predicate
[docs]def title_contains(title: str) -> Callable[[WebDriver], bool]:
"""An expectation for checking that the title contains a case-sensitive
substring.
Parameters:
----------
title : str
The fragment of title expected.
Returns:
-------
boolean : True when the title matches, False otherwise.
"""
def _predicate(driver: WebDriver):
return title in driver.title
return _predicate
[docs]def presence_of_element_located(locator: Tuple[str, str]) -> Callable[[WebDriverOrWebElement], WebElement]:
"""An expectation for checking that an element is present on the DOM of a
page. This does not necessarily mean that the element is visible.
Parameters:
----------
locator : Tuple[str, str]
Used to find the element.
Returns:
-------
WebElement : The WebElement once it is located.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> element = WebDriverWait(driver, 10).until(
... EC.presence_of_element_located((By.NAME, "q")))
"""
def _predicate(driver: WebDriverOrWebElement):
return driver.find_element(*locator)
return _predicate
[docs]def url_contains(url: str) -> Callable[[WebDriver], bool]:
"""An expectation for checking that the current url contains a case-
sensitive substring.
Parameters:
----------
url : str
The fragment of url expected.
Returns:
-------
boolean : True when the url matches, False otherwise.
"""
def _predicate(driver: WebDriver):
return url in driver.current_url
return _predicate
[docs]def url_matches(pattern: str) -> Callable[[WebDriver], bool]:
"""An expectation for checking the current url.
Parameters:
----------
pattern : str
The pattern to match with the current url.
Returns:
-------
boolean : True when the pattern matches, False otherwise.
Notes:
------
More powerful than url_contains, as it allows for regular expressions.
"""
def _predicate(driver: WebDriver):
return re.search(pattern, driver.current_url) is not None
return _predicate
[docs]def url_to_be(url: str) -> Callable[[WebDriver], bool]:
"""An expectation for checking the current url.
Parameters:
----------
url : str
The expected url, which must be an exact match.
Returns:
-------
boolean : True when the url matches, False otherwise.
"""
def _predicate(driver: WebDriver):
return url == driver.current_url
return _predicate
[docs]def url_changes(url: str) -> Callable[[WebDriver], bool]:
"""An expectation for checking the current url is different than a given
string.
Parameters:
----------
url : str
The expected url, which must not be an exact match.
Returns:
-------
boolean : True when the url does not match, False otherwise
"""
def _predicate(driver: WebDriver):
return url != driver.current_url
return _predicate
[docs]def visibility_of_element_located(
locator: Tuple[str, str]
) -> Callable[[WebDriverOrWebElement], Union[Literal[False], WebElement]]:
"""An expectation for checking that an element is present on the DOM of a
page and visible. Visibility means that the element is not only displayed
but also has a height and width that is greater than 0.
Parameters:
----------
locator : Tuple[str, str]
Used to find the element.
Returns:
-------
WebElement : The WebElement once it is located and visible.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> element = WebDriverWait(driver, 10).until(
... EC.visibility_of_element_located((By.NAME, "q")))
"""
def _predicate(driver: WebDriverOrWebElement):
try:
return _element_if_visible(driver.find_element(*locator))
except StaleElementReferenceException:
return False
return _predicate
[docs]def visibility_of(element: WebElement) -> Callable[[Any], Union[Literal[False], WebElement]]:
"""An expectation for checking that an element, known to be present on the
DOM of a page, is visible.
Parameters:
----------
element : WebElement
The WebElement to check.
Returns:
-------
WebElement : The WebElement once it is visible.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> element = WebDriverWait(driver, 10).until(
... EC.visibility_of(driver.find_element(By.NAME, "q")))
Notes:
------
Visibility means that the element is not only displayed but also has
a height and width that is greater than 0. element is the WebElement
returns the (same) WebElement once it is visible
"""
def _predicate(_):
return _element_if_visible(element)
return _predicate
def _element_if_visible(element: WebElement, visibility: bool = True) -> Union[Literal[False], WebElement]:
"""An expectation for checking that an element, known to be present on the
DOM of a page, is of the expected visibility.
Parameters:
----------
element : WebElement
The WebElement to check.
visibility : bool
The expected visibility of the element.
Returns:
-------
WebElement : The WebElement once it is visible or not visible.
"""
return element if element.is_displayed() == visibility else False
[docs]def presence_of_all_elements_located(locator: Tuple[str, str]) -> Callable[[WebDriverOrWebElement], List[WebElement]]:
"""An expectation for checking that there is at least one element present
on a web page.
Parameters:
----------
locator : Tuple[str, str]
Used to find the element.
Returns:
-------
List[WebElement] : The list of WebElements once they are located.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> elements = WebDriverWait(driver, 10).until(
... EC.presence_of_all_elements_located((By.CLASS_NAME, "foo")))
"""
def _predicate(driver: WebDriverOrWebElement):
return driver.find_elements(*locator)
return _predicate
[docs]def visibility_of_any_elements_located(locator: Tuple[str, str]) -> Callable[[WebDriverOrWebElement], List[WebElement]]:
"""An expectation for checking that there is at least one element visible
on a web page.
Parameters:
----------
locator : Tuple[str, str]
Used to find the element.
Returns:
-------
List[WebElement] : The list of WebElements once they are located and visible.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> elements = WebDriverWait(driver, 10).until(
... EC.visibility_of_any_elements_located((By.CLASS_NAME, "foo")))
"""
def _predicate(driver: WebDriverOrWebElement):
return [element for element in driver.find_elements(*locator) if _element_if_visible(element)]
return _predicate
[docs]def visibility_of_all_elements_located(
locator: Tuple[str, str]
) -> Callable[[WebDriverOrWebElement], Union[List[WebElement], Literal[False]]]:
"""An expectation for checking that all elements are present on the DOM of
a page and visible. Visibility means that the elements are not only
displayed but also has a height and width that is greater than 0.
Parameters:
----------
locator : Tuple[str, str]
Used to find the elements.
Returns:
-------
List[WebElement] : The list of WebElements once they are located and visible.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> elements = WebDriverWait(driver, 10).until(
... EC.visibility_of_all_elements_located((By.CLASS_NAME, "foo")))
"""
def _predicate(driver: WebDriverOrWebElement):
try:
elements = driver.find_elements(*locator)
for element in elements:
if _element_if_visible(element, visibility=False):
return False
return elements
except StaleElementReferenceException:
return False
return _predicate
[docs]def text_to_be_present_in_element(locator: Tuple[str, str], text_: str) -> Callable[[WebDriverOrWebElement], bool]:
"""An expectation for checking if the given text is present in the
specified element.
Parameters:
----------
locator : Tuple[str, str]
Used to find the element.
text_ : str
The text to be present in the element.
Returns:
-------
boolean : True when the text is present, False otherwise.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_text_in_element = WebDriverWait(driver, 10).until(
... EC.text_to_be_present_in_element((By.CLASS_NAME, "foo"), "bar"))
"""
def _predicate(driver: WebDriverOrWebElement):
try:
element_text = driver.find_element(*locator).text
return text_ in element_text
except StaleElementReferenceException:
return False
return _predicate
[docs]def text_to_be_present_in_element_value(
locator: Tuple[str, str], text_: str
) -> Callable[[WebDriverOrWebElement], bool]:
"""An expectation for checking if the given text is present in the
element's value.
Parameters:
----------
locator : Tuple[str, str]
Used to find the element.
text_ : str
The text to be present in the element's value.
Returns:
-------
boolean : True when the text is present, False otherwise.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_text_in_element_value = WebDriverWait(driver, 10).until(
... EC.text_to_be_present_in_element_value((By.CLASS_NAME, "foo"), "bar"))
"""
def _predicate(driver: WebDriverOrWebElement):
try:
element_text = driver.find_element(*locator).get_attribute("value")
return text_ in element_text
except StaleElementReferenceException:
return False
return _predicate
[docs]def text_to_be_present_in_element_attribute(
locator: Tuple[str, str], attribute_: str, text_: str
) -> Callable[[WebDriverOrWebElement], bool]:
"""An expectation for checking if the given text is present in the
element's attribute.
Parameters:
----------
locator : Tuple[str, str]
Used to find the element.
attribute_ : str
The attribute to check the text in.
text_ : str
The text to be present in the element's attribute.
Returns:
-------
boolean : True when the text is present, False otherwise.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_text_in_element_attribute = WebDriverWait(driver, 10).until(
... EC.text_to_be_present_in_element_attribute((By.CLASS_NAME, "foo"),
... "bar", "baz"))
"""
def _predicate(driver: WebDriverOrWebElement):
try:
element_text = driver.find_element(*locator).get_attribute(attribute_)
if element_text is None:
return False
return text_ in element_text
except StaleElementReferenceException:
return False
return _predicate
[docs]def frame_to_be_available_and_switch_to_it(locator: Union[Tuple[str, str], str]) -> Callable[[WebDriver], bool]:
"""An expectation for checking whether the given frame is available to
switch to.
Parameters:
----------
locator : Union[Tuple[str, str], str]
Used to find the frame.
Returns:
-------
boolean : True when the frame is available, False otherwise.
Example:
--------
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> WebDriverWait(driver, 10).until(
... EC.frame_to_be_available_and_switch_to_it("frame_name"))
Notes:
------
If the frame is available it switches the given driver to the
specified frame.
"""
def _predicate(driver: WebDriver):
try:
if isinstance(locator, Iterable) and not isinstance(locator, str):
driver.switch_to.frame(driver.find_element(*locator))
else:
driver.switch_to.frame(locator)
return True
except NoSuchFrameException:
return False
return _predicate
[docs]def invisibility_of_element_located(
locator: Union[WebElement, Tuple[str, str]]
) -> Callable[[WebDriverOrWebElement], Union[WebElement, bool]]:
"""An Expectation for checking that an element is either invisible or not
present on the DOM.
Parameters:
----------
locator : Union[WebElement, Tuple[str, str]]
Used to find the element.
Returns:
-------
boolean : True when the element is invisible or not present, False otherwise.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_invisible = WebDriverWait(driver, 10).until(
... EC.invisibility_of_element_located((By.CLASS_NAME, "foo")))
Notes:
------
- In the case of NoSuchElement, returns true because the element is not
present in DOM. The try block checks if the element is present but is
invisible.
- In the case of StaleElementReference, returns true because stale element
reference implies that element is no longer visible.
"""
def _predicate(driver: WebDriverOrWebElement):
try:
target = locator
if not isinstance(target, WebElement):
target = driver.find_element(*target)
return _element_if_visible(target, visibility=False)
except (NoSuchElementException, StaleElementReferenceException):
# In the case of NoSuchElement, returns true because the element is
# not present in DOM. The try block checks if the element is present
# but is invisible.
# In the case of StaleElementReference, returns true because stale
# element reference implies that element is no longer visible.
return True
return _predicate
[docs]def invisibility_of_element(
element: Union[WebElement, Tuple[str, str]]
) -> Callable[[WebDriverOrWebElement], Union[WebElement, bool]]:
"""An Expectation for checking that an element is either invisible or not
present on the DOM.
Parameters:
----------
element : Union[WebElement, Tuple[str, str]]
Used to find the element.
Returns:
-------
boolean : True when the element is invisible or not present, False otherwise.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_invisible_or_not_present = WebDriverWait(driver, 10).until(
... EC.invisibility_of_element(driver.find_element(By.CLASS_NAME, "foo")))
"""
return invisibility_of_element_located(element)
[docs]def element_to_be_clickable(
mark: Union[WebElement, Tuple[str, str]]
) -> Callable[[WebDriverOrWebElement], Union[Literal[False], WebElement]]:
"""An Expectation for checking an element is visible and enabled such that
you can click it.
Parameters:
----------
mark : Union[WebElement, Tuple[str, str]]
Used to find the element.
Returns:
-------
WebElement : The WebElement once it is located and clickable.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> element = WebDriverWait(driver, 10).until(
... EC.element_to_be_clickable((By.CLASS_NAME, "foo")))
"""
# renamed argument to 'mark', to indicate that both locator
# and WebElement args are valid
def _predicate(driver: WebDriverOrWebElement):
target = mark
if not isinstance(target, WebElement): # if given locator instead of WebElement
target = driver.find_element(*target) # grab element at locator
element = visibility_of(target)(driver)
if element and element.is_enabled():
return element
return False
return _predicate
[docs]def staleness_of(element: WebElement) -> Callable[[Any], bool]:
"""Wait until an element is no longer attached to the DOM.
Parameters:
----------
element : WebElement
The element to wait for.
Returns:
-------
boolean : False if the element is still attached to the DOM, true otherwise.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_element_stale = WebDriverWait(driver, 10).until(
... EC.staleness_of(driver.find_element(By.CLASS_NAME, "foo")))
"""
def _predicate(_):
try:
# Calling any method forces a staleness check
element.is_enabled()
return False
except StaleElementReferenceException:
return True
return _predicate
[docs]def element_to_be_selected(element: WebElement) -> Callable[[Any], bool]:
"""An expectation for checking the selection is selected.
Parameters:
----------
element : WebElement
The WebElement to check.
Returns:
-------
boolean : True if the element is selected, False otherwise.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_selected = WebDriverWait(driver, 10).until(
... EC.element_to_be_selected(driver.find_element(By.CLASS_NAME, "foo")))
"""
def _predicate(_):
return element.is_selected()
return _predicate
[docs]def element_located_to_be_selected(locator: Tuple[str, str]) -> Callable[[WebDriverOrWebElement], bool]:
"""An expectation for the element to be located is selected.
Parameters:
----------
locator : Tuple[str, str]
Used to find the element.
Returns:
-------
boolean : True if the element is selected, False otherwise.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_selected = WebDriverWait(driver, 10).until(
... EC.element_located_to_be_selected((By.CLASS_NAME, "foo")))
"""
def _predicate(driver: WebDriverOrWebElement):
return driver.find_element(*locator).is_selected()
return _predicate
[docs]def element_selection_state_to_be(element: WebElement, is_selected: bool) -> Callable[[Any], bool]:
"""An expectation for checking if the given element is selected.
Parameters:
----------
element : WebElement
The WebElement to check.
is_selected : bool
Returns:
-------
boolean : True if the element's selection state is the same as is_selected
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_selected = WebDriverWait(driver, 10).until(
... EC.element_selection_state_to_be(driver.find_element(By.CLASS_NAME, "foo"), True))
"""
def _predicate(_):
return element.is_selected() == is_selected
return _predicate
[docs]def element_located_selection_state_to_be(
locator: Tuple[str, str], is_selected: bool
) -> Callable[[WebDriverOrWebElement], bool]:
"""An expectation to locate an element and check if the selection state
specified is in that state.
Parameters:
----------
locator : Tuple[str, str]
Used to find the element.
is_selected : bool
Returns:
-------
boolean : True if the element's selection state is the same as is_selected
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_selected = WebDriverWait(driver, 10).until(
... EC.element_located_selection_state_to_be((By.CLASS_NAME, "foo"), True))
"""
def _predicate(driver: WebDriverOrWebElement):
try:
element = driver.find_element(*locator)
return element.is_selected() == is_selected
except StaleElementReferenceException:
return False
return _predicate
[docs]def number_of_windows_to_be(num_windows: int) -> Callable[[WebDriver], bool]:
"""An expectation for the number of windows to be a certain value.
Parameters:
----------
num_windows : int
The expected number of windows.
Returns:
-------
boolean : True when the number of windows matches, False otherwise.
Example:
--------
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_number_of_windows = WebDriverWait(driver, 10).until(
... EC.number_of_windows_to_be(2))
"""
def _predicate(driver: WebDriver):
return len(driver.window_handles) == num_windows
return _predicate
[docs]def new_window_is_opened(current_handles: List[str]) -> Callable[[WebDriver], bool]:
"""An expectation that a new window will be opened and have the number of
windows handles increase.
Parameters:
----------
current_handles : List[str]
The current window handles.
Returns:
-------
boolean : True when a new window is opened, False otherwise.
Example:
--------
>>> from selenium.webdriver.support.ui import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_new_window_opened = WebDriverWait(driver, 10).until(
... EC.new_window_is_opened(driver.window_handles))
"""
def _predicate(driver: WebDriver):
return len(driver.window_handles) > len(current_handles)
return _predicate
[docs]def alert_is_present() -> Callable[[WebDriver], Union[Alert, Literal[False]]]:
"""An expectation for checking if an alert is currently present and
switching to it.
Returns:
-------
Alert : The Alert once it is located.
Example:
--------
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> alert = WebDriverWait(driver, 10).until(EC.alert_is_present())
Notes:
------
If the alert is present it switches the given driver to it.
"""
def _predicate(driver: WebDriver):
try:
return driver.switch_to.alert
except NoAlertPresentException:
return False
return _predicate
[docs]def element_attribute_to_include(locator: Tuple[str, str], attribute_: str) -> Callable[[WebDriverOrWebElement], bool]:
"""An expectation for checking if the given attribute is included in the
specified element.
Parameters:
----------
locator : Tuple[str, str]
Used to find the element.
attribute_ : str
The attribute to check.
Returns:
-------
boolean : True when the attribute is included, False otherwise.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> is_attribute_in_element = WebDriverWait(driver, 10).until(
... EC.element_attribute_to_include((By.CLASS_NAME, "foo"), "bar"))
"""
def _predicate(driver: WebDriverOrWebElement):
try:
element_attribute = driver.find_element(*locator).get_attribute(attribute_)
return element_attribute is not None
except StaleElementReferenceException:
return False
return _predicate
[docs]def any_of(*expected_conditions: Callable[[D], T]) -> Callable[[D], Union[Literal[False], T]]:
"""An expectation that any of multiple expected conditions is true.
Parameters:
----------
expected_conditions : Callable[[D], T]
The list of expected conditions to check.
Returns:
-------
T : The result of the first matching condition, or False if none do.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> element = WebDriverWait(driver, 10).until(
... EC.any_of(EC.presence_of_element_located((By.NAME, "q"),
... EC.visibility_of_element_located((By.NAME, "q"))))
Notes:
------
Equivalent to a logical 'OR'. Returns results of the first matching
condition, or False if none do.
"""
def any_of_condition(driver: D):
for expected_condition in expected_conditions:
try:
result = expected_condition(driver)
if result:
return result
except WebDriverException:
pass
return False
return any_of_condition
[docs]def all_of(
*expected_conditions: Callable[[D], Union[T, Literal[False]]]
) -> Callable[[D], Union[List[T], Literal[False]]]:
"""An expectation that all of multiple expected conditions is true.
Parameters:
----------
expected_conditions : Callable[[D], Union[T, Literal[False]]]
The list of expected conditions to check.
Returns:
-------
List[T] : The results of all the matching conditions, or False if any do not.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> elements = WebDriverWait(driver, 10).until(
... EC.all_of(EC.presence_of_element_located((By.NAME, "q"),
... EC.visibility_of_element_located((By.NAME, "q"))))
Notes:
------
Equivalent to a logical 'AND'.
Returns: When any ExpectedCondition is not met: False.
When all ExpectedConditions are met: A List with each ExpectedCondition's return value.
"""
def all_of_condition(driver: D):
results: List[T] = []
for expected_condition in expected_conditions:
try:
result = expected_condition(driver)
if not result:
return False
results.append(result)
except WebDriverException:
return False
return results
return all_of_condition
[docs]def none_of(*expected_conditions: Callable[[D], Any]) -> Callable[[D], bool]:
"""An expectation that none of 1 or multiple expected conditions is true.
Parameters:
----------
expected_conditions : Callable[[D], Any]
The list of expected conditions to check.
Returns:
-------
boolean : True if none of the conditions are true, False otherwise.
Example:
--------
>>> from selenium.webdriver.common.by import By
>>> from selenium.webdriver.support.ui import WebDriverWait
>>> from selenium.webdriver.support import expected_conditions as EC
>>> element = WebDriverWait(driver, 10).until(
... EC.none_of(EC.presence_of_element_located((By.NAME, "q"),
... EC.visibility_of_element_located((By.NAME, "q"))))
Notes:
------
Equivalent to a logical 'NOT-OR'. Returns a Boolean
"""
def none_of_condition(driver: D):
for expected_condition in expected_conditions:
try:
result = expected_condition(driver)
if result:
return False
except WebDriverException:
pass
return True
return none_of_condition