235 lines
8.3 KiB
Python
235 lines
8.3 KiB
Python
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from contextlib import contextmanager
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from django.contrib.staticfiles.testing import StaticLiveServerTestCase
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from django.test import modify_settings
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from django.test.selenium import SeleniumTestCase
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from django.utils.deprecation import MiddlewareMixin
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from django.utils.translation import gettext as _
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class CSPMiddleware(MiddlewareMixin):
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"""The admin's JavaScript should be compatible with CSP."""
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def process_response(self, request, response):
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response.headers["Content-Security-Policy"] = "default-src 'self'"
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return response
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@modify_settings(MIDDLEWARE={"append": "django.contrib.admin.tests.CSPMiddleware"})
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class AdminSeleniumTestCase(SeleniumTestCase, StaticLiveServerTestCase):
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available_apps = [
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"django.contrib.admin",
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"django.contrib.auth",
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"django.contrib.contenttypes",
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"django.contrib.sessions",
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"django.contrib.sites",
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]
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def wait_until(self, callback, timeout=10):
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"""
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Block the execution of the tests until the specified callback returns a
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value that is not falsy. This method can be called, for example, after
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clicking a link or submitting a form. See the other public methods that
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call this function for more details.
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"""
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from selenium.webdriver.support.wait import WebDriverWait
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WebDriverWait(self.selenium, timeout).until(callback)
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def wait_for_and_switch_to_popup(self, num_windows=2, timeout=10):
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"""
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Block until `num_windows` are present and are ready (usually 2, but can
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be overridden in the case of pop-ups opening other pop-ups). Switch the
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current window to the new pop-up.
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"""
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self.wait_until(lambda d: len(d.window_handles) == num_windows, timeout)
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self.selenium.switch_to.window(self.selenium.window_handles[-1])
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self.wait_page_ready()
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def wait_for(self, css_selector, timeout=10):
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"""
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Block until a CSS selector is found on the page.
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"""
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support import expected_conditions as ec
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self.wait_until(
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ec.presence_of_element_located((By.CSS_SELECTOR, css_selector)), timeout
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)
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def wait_for_text(self, css_selector, text, timeout=10):
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"""
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Block until the text is found in the CSS selector.
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"""
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support import expected_conditions as ec
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self.wait_until(
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ec.text_to_be_present_in_element((By.CSS_SELECTOR, css_selector), text),
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timeout,
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)
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def wait_for_value(self, css_selector, text, timeout=10):
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"""
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Block until the value is found in the CSS selector.
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"""
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support import expected_conditions as ec
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self.wait_until(
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ec.text_to_be_present_in_element_value(
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(By.CSS_SELECTOR, css_selector), text
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),
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timeout,
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)
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def wait_until_visible(self, css_selector, timeout=10):
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"""
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Block until the element described by the CSS selector is visible.
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"""
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support import expected_conditions as ec
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self.wait_until(
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ec.visibility_of_element_located((By.CSS_SELECTOR, css_selector)), timeout
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)
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def wait_until_invisible(self, css_selector, timeout=10):
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"""
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Block until the element described by the CSS selector is invisible.
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"""
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support import expected_conditions as ec
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self.wait_until(
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ec.invisibility_of_element_located((By.CSS_SELECTOR, css_selector)), timeout
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)
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def wait_page_ready(self, timeout=10):
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"""
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Block until the page is ready.
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"""
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self.wait_until(
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lambda driver: driver.execute_script("return document.readyState;")
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== "complete",
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timeout,
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)
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@contextmanager
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def wait_page_loaded(self, timeout=10):
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"""
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Block until a new page has loaded and is ready.
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"""
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support import expected_conditions as ec
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old_page = self.selenium.find_element(By.TAG_NAME, "html")
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yield
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# Wait for the next page to be loaded
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self.wait_until(ec.staleness_of(old_page), timeout=timeout)
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self.wait_page_ready(timeout=timeout)
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def admin_login(self, username, password, login_url="/admin/"):
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"""
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Log in to the admin.
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"""
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from selenium.webdriver.common.by import By
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self.selenium.get("%s%s" % (self.live_server_url, login_url))
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username_input = self.selenium.find_element(By.NAME, "username")
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username_input.send_keys(username)
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password_input = self.selenium.find_element(By.NAME, "password")
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password_input.send_keys(password)
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login_text = _("Log in")
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with self.wait_page_loaded():
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self.selenium.find_element(
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By.XPATH, '//input[@value="%s"]' % login_text
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).click()
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def select_option(self, selector, value):
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"""
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Select the <OPTION> with the value `value` inside the <SELECT> widget
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identified by the CSS selector `selector`.
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"""
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support.ui import Select
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select = Select(self.selenium.find_element(By.CSS_SELECTOR, selector))
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select.select_by_value(value)
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def deselect_option(self, selector, value):
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"""
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Deselect the <OPTION> with the value `value` inside the <SELECT> widget
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identified by the CSS selector `selector`.
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"""
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support.ui import Select
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select = Select(self.selenium.find_element(By.CSS_SELECTOR, selector))
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select.deselect_by_value(value)
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def assertCountSeleniumElements(self, selector, count, root_element=None):
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"""
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Assert number of matches for a CSS selector.
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`root_element` allow restriction to a pre-selected node.
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"""
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from selenium.webdriver.common.by import By
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root_element = root_element or self.selenium
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self.assertEqual(
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len(root_element.find_elements(By.CSS_SELECTOR, selector)), count
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)
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def _assertOptionsValues(self, options_selector, values):
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from selenium.webdriver.common.by import By
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if values:
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options = self.selenium.find_elements(By.CSS_SELECTOR, options_selector)
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actual_values = []
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for option in options:
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actual_values.append(option.get_attribute("value"))
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self.assertEqual(values, actual_values)
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else:
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# Prevent the `find_elements(By.CSS_SELECTOR, …)` call from blocking
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# if the selector doesn't match any options as we expect it
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# to be the case.
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with self.disable_implicit_wait():
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self.wait_until(
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lambda driver: not driver.find_elements(
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By.CSS_SELECTOR, options_selector
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)
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)
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def assertSelectOptions(self, selector, values):
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"""
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Assert that the <SELECT> widget identified by `selector` has the
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options with the given `values`.
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"""
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self._assertOptionsValues("%s > option" % selector, values)
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def assertSelectedOptions(self, selector, values):
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"""
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Assert that the <SELECT> widget identified by `selector` has the
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selected options with the given `values`.
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"""
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self._assertOptionsValues("%s > option:checked" % selector, values)
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def has_css_class(self, selector, klass):
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"""
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Return True if the element identified by `selector` has the CSS class
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`klass`.
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"""
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from selenium.webdriver.common.by import By
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return (
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self.selenium.find_element(
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By.CSS_SELECTOR,
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selector,
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)
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.get_attribute("class")
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.find(klass)
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!= -1
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)
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