Source code for galaxy.selenium.has_driver

"""A mixin to extend a class that has self.driver with higher-level constructs.

This should be mixed into classes with a self.driver and self.default_timeout
attribute.
"""

import abc
import threading
from typing import (
    Dict,
    List,
    Optional,
    Type,
    Union,
)

from axe_selenium_python import Axe
from selenium.common.exceptions import (
    NoSuchElementException,
    TimeoutException as SeleniumTimeoutException,
)
from selenium.webdriver.common.action_chains import ActionChains
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.remote.webdriver import WebDriver
from selenium.webdriver.remote.webelement import WebElement
from selenium.webdriver.support import expected_conditions as ec
from selenium.webdriver.support.wait import WebDriverWait

from galaxy.navigation.components import Target
from galaxy.util import requests
from .axe_results import (
    AxeResults,
    NullAxeResults,
    RealAxeResults,
)

UNSPECIFIED_TIMEOUT = object()

HasFindElement = Union[WebDriver, WebElement]
DEFAULT_AXE_SCRIPT_URL = "https://cdnjs.cloudflare.com/ajax/libs/axe-core/4.7.1/axe.min.js"
AXE_SCRIPT_HASH: Dict[str, str] = {}
AXE_SCRIPT_HASH_LOCK = threading.Lock()


def get_axe_script(script_url: str) -> str:
    with AXE_SCRIPT_HASH_LOCK:
        if script_url not in AXE_SCRIPT_HASH:
            content = requests.get(script_url).text
            AXE_SCRIPT_HASH[script_url] = content

    return AXE_SCRIPT_HASH[script_url]


[docs]class HasDriver: by: Type[By] = By keys: Type[Keys] = Keys driver: WebDriver axe_script_url: str = DEFAULT_AXE_SCRIPT_URL axe_skip: bool = False
[docs] def re_get_with_query_params(self, params_str: str): driver = self.driver new_url = driver.current_url if "?" not in new_url: new_url += "?" new_url += params_str driver.get(new_url)
[docs] def assert_xpath(self, xpath: str): assert self.driver.find_element(By.XPATH, xpath)
[docs] def assert_selector(self, selector: str): assert self.driver.find_element(By.CSS_SELECTOR, selector)
[docs] def assert_selector_absent_or_hidden(self, selector: str): elements = self.driver.find_elements(By.CSS_SELECTOR, selector) for element in elements: assert not element.is_displayed()
[docs] def assert_absent_or_hidden(self, selector_template: Target): elements = self.find_elements(selector_template) for element in elements: assert not element.is_displayed()
[docs] def assert_disabled(self, selector_template: Target): elements = self.find_elements(selector_template) assert len(elements) > 0 for element in elements: assert not element.is_enabled()
[docs] def selector_is_displayed(self, selector: str): element = self.driver.find_element(By.CSS_SELECTOR, selector) return element.is_displayed()
[docs] def is_displayed(self, selector_template: Target) -> bool: element = self.driver.find_element(*selector_template.element_locator) return element.is_displayed()
[docs] def assert_selector_absent(self, selector: str): assert len(self.driver.find_elements(By.CSS_SELECTOR, selector)) == 0
[docs] def find_elements(self, selector_template: Target) -> List[WebElement]: return self.driver.find_elements(*selector_template.element_locator)
[docs] def assert_absent(self, selector_template: Target) -> None: elements = self.find_elements(selector_template) if len(elements) != 0: description = selector_template.description any_displayed = False for element in elements: any_displayed = any_displayed or element.is_displayed() msg = f"Expected DOM elements [{elements}] to be empty for selector target {description} - any actually displayed? [{any_displayed}]" raise AssertionError(msg)
[docs] def element_absent(self, selector_template: Target) -> bool: return len(self.find_elements(selector_template)) == 0
[docs] def wait_for_xpath(self, xpath: str, **kwds) -> WebElement: element = self._wait_on( ec.presence_of_element_located((By.XPATH, xpath)), f"XPATH selector [{xpath}] to become present", **kwds ) return element
[docs] def wait_for_xpath_visible(self, xpath: str, **kwds) -> WebElement: element = self._wait_on( ec.visibility_of_element_located((By.XPATH, xpath)), f"XPATH selector [{xpath}] to become visible", **kwds ) return element
[docs] def wait_for_selector(self, selector: str, **kwds) -> WebElement: element = self._wait_on( ec.presence_of_element_located((By.CSS_SELECTOR, selector)), f"CSS selector [{selector}] to become present", **kwds, ) return element
[docs] def wait_for_present(self, selector_template: Target, **kwds) -> WebElement: element = self._wait_on( ec.presence_of_element_located(selector_template.element_locator), f"{selector_template.description} to become present", **kwds, ) return element
[docs] def wait_for_visible(self, selector_template: Target, **kwds) -> WebElement: element = self._wait_on( ec.visibility_of_element_located(selector_template.element_locator), f"{selector_template.description} to become visible", **kwds, ) return element
[docs] def wait_for_selector_visible(self, selector: str, **kwds) -> WebElement: element = self._wait_on( ec.visibility_of_element_located((By.CSS_SELECTOR, selector)), f"CSS selector [{selector}] to become visible", **kwds, ) return element
[docs] def wait_for_selector_clickable(self, selector: str, **kwds) -> WebElement: element = self._wait_on( ec.element_to_be_clickable((By.CSS_SELECTOR, selector)), f"CSS selector [{selector}] to become clickable", **kwds, ) return element
[docs] def wait_for_clickable(self, selector_template: Target, **kwds) -> WebElement: element = self._wait_on( ec.element_to_be_clickable(selector_template.element_locator), f"{selector_template.description} to become clickable", **kwds, ) return element
[docs] def wait_for_selector_absent_or_hidden(self, selector: str, **kwds) -> WebElement: element = self._wait_on( ec.invisibility_of_element_located((By.CSS_SELECTOR, selector)), f"CSS selector [{selector}] to become absent or hidden", **kwds, ) return element
[docs] def wait_for_selector_absent(self, selector: str, **kwds) -> WebElement: element = self._wait_on( lambda driver: len(driver.find_elements(By.CSS_SELECTOR, selector)) == 0, f"CSS selector [{selector}] to become absent", **kwds, ) return element
[docs] def wait_for_element_count_of_at_least(self, selector_template: Target, n: int, **kwds) -> WebElement: element = self._wait_on( lambda driver: len(driver.find_elements(*selector_template.element_locator)) >= n, f"{selector_template.description} to become visible", **kwds, ) return element
[docs] def wait_for_absent(self, selector_template: Target, **kwds) -> WebElement: element = self._wait_on( lambda driver: len(driver.find_elements(*selector_template.element_locator)) == 0, f"{selector_template.description} to become absent", **kwds, ) return element
[docs] def wait_for_absent_or_hidden(self, selector_template: Target, **kwds) -> WebElement: element = self._wait_on( ec.invisibility_of_element_located(selector_template.element_locator), f"{selector_template.description} to become absent or hidden", **kwds, ) return element
[docs] def wait_for_id(self, id: str, **kwds) -> WebElement: return self._wait_on(ec.presence_of_element_located((By.ID, id)), f"presence of DOM ID [{id}]", **kwds)
[docs] def click(self, selector_template: Target): element = self.driver.find_element(*selector_template.element_locator) element.click()
def _timeout_message(self, on_str: str) -> str: return f"Timeout waiting on {on_str}." def _wait_on(self, condition, on_str: Optional[str] = None, **kwds): if on_str is None: on_str = str(condition) wait = self.wait(**kwds) return wait.until(condition, self._timeout_message(on_str))
[docs] def action_chains(self): return ActionChains(self.driver)
[docs] def send_enter(self, element: Optional[WebElement] = None): self._send_key(Keys.ENTER, element)
[docs] def send_escape(self, element: Optional[WebElement] = None): self._send_key(Keys.ESCAPE, element)
[docs] def send_backspace(self, element: Optional[WebElement] = None): self._send_key(Keys.BACKSPACE, element)
def _send_key(self, key: str, element: Optional[WebElement] = None): if element is None: self.action_chains().send_keys(key) else: element.send_keys(key)
[docs] @abc.abstractmethod def timeout_for(self, **kwds) -> float: ...
[docs] def wait(self, timeout=UNSPECIFIED_TIMEOUT, **kwds): if timeout is UNSPECIFIED_TIMEOUT: timeout = self.timeout_for(**kwds) return WebDriverWait(self.driver, timeout)
[docs] def click_xpath(self, xpath: str): element = self.driver.find_element(By.XPATH, xpath) element.click()
[docs] def click_label(self, text: str): element = self.driver.find_element(By.LINK_TEXT, text) element.click()
[docs] def click_selector(self, selector: str): element = self.driver.find_element(By.CSS_SELECTOR, selector) element.click()
[docs] def fill(self, form: WebElement, info: dict): for key, value in info.items(): try: input_element = form.find_element(By.NAME, key) except NoSuchElementException: input_element = form.find_element(By.ID, key) input_element.send_keys(value)
[docs] def click_submit(self, form: WebElement): submit_button = form.find_element(By.CSS_SELECTOR, "input[type='submit']") submit_button.click()
[docs] def prepend_timeout_message( self, timeout_exception: SeleniumTimeoutException, message: str ) -> SeleniumTimeoutException: msg = message if timeout_msg := timeout_exception.msg: msg += f" {timeout_msg}" return SeleniumTimeoutException( msg=msg, screen=timeout_exception.screen, stacktrace=timeout_exception.stacktrace, )
[docs] def accept_alert(self): try: alert = self.driver.switch_to.alert alert.accept() finally: self.driver.switch_to.default_content()
[docs] def find_element_by_xpath(self, xpath: str, element: Optional[WebElement] = None) -> WebElement: return self._locator_aware(element).find_element(By.XPATH, xpath)
[docs] def find_element_by_id(self, id: str, element: Optional[WebElement] = None) -> WebElement: return self._locator_aware(element).find_element(By.ID, id)
[docs] def find_element_by_selector(self, selector: str, element: Optional[WebElement] = None) -> WebElement: return self._locator_aware(element).find_element(By.CSS_SELECTOR, selector)
[docs] def axe_eval(self, context: Optional[str] = None, write_to: Optional[str] = None) -> AxeResults: if self.axe_skip: return NullAxeResults() content = get_axe_script(self.axe_script_url) self.driver.execute_script(content) axe = Axe(self.driver) results = axe.run(context=context) if write_to is not None: axe.write_results(results, write_to) return RealAxeResults(results)
def _locator_aware(self, element: Optional[WebElement] = None) -> HasFindElement: if element is None: return self.driver else: return element
[docs]def exception_indicates_click_intercepted(exception): return "click intercepted" in str(exception)
[docs]def exception_indicates_not_clickable(exception): return "not clickable" in str(exception)
[docs]def exception_indicates_stale_element(exception): return "stale" in str(exception)
__all__ = ( "exception_indicates_click_intercepted", "exception_indicates_not_clickable", "exception_indicates_stale_element", "HasDriver", "SeleniumTimeoutException", )