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event_firing_webdriver_tests.py
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/
event_firing_webdriver_tests.py
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# Licensed to the Software Freedom Conservancy (SFC) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The SFC licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
try:
from io import BytesIO
except ImportError:
from cStringIO import StringIO as BytesIO
import pytest
from selenium.common.exceptions import NoSuchElementException
from selenium.webdriver.common.by import By
from selenium.webdriver.support.events import EventFiringWebDriver, AbstractEventListener
from selenium.webdriver.support.ui import WebDriverWait
@pytest.fixture
def log():
log = BytesIO()
yield log
log.close()
def test_should_fire_navigation_events(driver, log, pages):
class EventListener(AbstractEventListener):
def before_navigate_to(self, url, driver):
log.write(("before_navigate_to %s" % url.split("/")[-1]).encode())
def after_navigate_to(self, url, driver):
log.write(("after_navigate_to %s" % url.split("/")[-1]).encode())
def before_navigate_back(self, driver):
log.write(b"before_navigate_back")
def after_navigate_back(self, driver):
log.write(b"after_navigate_back")
def before_navigate_forward(self, driver):
log.write(b"before_navigate_forward")
def after_navigate_forward(self, driver):
log.write(b"after_navigate_forward")
ef_driver = EventFiringWebDriver(driver, EventListener())
ef_driver.get(pages.url("formPage.html"))
ef_driver.find_element(by=By.ID, value="imageButton").submit()
WebDriverWait(ef_driver, 5).until(lambda d: d.title == "We Arrive Here")
assert ef_driver.title == "We Arrive Here"
ef_driver.back()
assert ef_driver.title == "We Leave From Here"
ef_driver.forward()
assert ef_driver.title == "We Arrive Here"
assert (b"before_navigate_to formPage.html"
b"after_navigate_to formPage.html"
b"before_navigate_back"
b"after_navigate_back"
b"before_navigate_forward"
b"after_navigate_forward") == log.getvalue()
def test_should_fire_click_event(driver, log, pages):
class EventListener(AbstractEventListener):
def before_click(self, element, driver):
log.write(b"before_click")
def after_click(self, element, driver):
log.write(b"after_click")
ef_driver = EventFiringWebDriver(driver, EventListener())
ef_driver.get(pages.url("clicks.html"))
ef_driver.find_element(By.ID, "overflowLink").click()
assert ef_driver.title == "XHTML Test Page"
assert b"before_click" + b"after_click" == log.getvalue()
def test_should_fire_change_value_event(driver, log, pages):
class EventListener(AbstractEventListener):
def before_change_value_of(self, element, driver):
log.write(b"before_change_value_of")
def after_change_value_of(self, element, driver):
log.write(b"after_change_value_of")
ef_driver = EventFiringWebDriver(driver, EventListener())
ef_driver.get(pages.url("readOnlyPage.html"))
element = ef_driver.find_element_by_id("writableTextInput")
element.clear()
assert "" == element.get_attribute("value")
ef_driver.get(pages.url("javascriptPage.html"))
keyReporter = ef_driver.find_element(by=By.ID, value="keyReporter")
keyReporter.send_keys("abc def")
assert keyReporter.get_attribute("value") == "abc def"
assert (b"before_change_value_of"
b"after_change_value_of"
b"before_change_value_of"
b"after_change_value_of") == log.getvalue()
def test_should_fire_find_event(driver, log, pages):
class EventListener(AbstractEventListener):
def before_find(self, by, value, driver):
log.write(("before_find by %s %s" % (by, value)).encode())
def after_find(self, by, value, driver):
log.write(("after_find by %s %s" % (by, value)).encode())
ef_driver = EventFiringWebDriver(driver, EventListener())
ef_driver.get(pages.url("simpleTest.html"))
e = ef_driver.find_element_by_id("oneline")
assert "A single line of text" == e.text
e = ef_driver.find_element_by_xpath("/html/body/p[1]")
assert "A single line of text" == e.text
ef_driver.get(pages.url("frameset.html"))
elements = ef_driver.find_elements_by_css_selector("frame#sixth")
assert 1 == len(elements)
assert "frame" == elements[0].tag_name.lower()
assert "sixth" == elements[0].get_attribute("id")
assert (b"before_find by id oneline"
b"after_find by id oneline"
b"before_find by xpath /html/body/p[1]"
b"after_find by xpath /html/body/p[1]"
b"before_find by css selector frame#sixth"
b"after_find by css selector frame#sixth") == log.getvalue()
def test_should_call_listener_when_an_exception_is_thrown(driver, log, pages):
class EventListener(AbstractEventListener):
def on_exception(self, exception, driver):
if isinstance(exception, NoSuchElementException):
log.write(b"NoSuchElementException is thrown")
ef_driver = EventFiringWebDriver(driver, EventListener())
ef_driver.get(pages.url("simpleTest.html"))
with pytest.raises(NoSuchElementException):
ef_driver.find_element(By.ID, "foo")
assert b"NoSuchElementException is thrown" == log.getvalue()
def test_should_unwrap_element_args_when_calling_scripts(driver, log, pages):
ef_driver = EventFiringWebDriver(driver, AbstractEventListener())
ef_driver.get(pages.url("javascriptPage.html"))
button = ef_driver.find_element_by_id("plainButton")
value = ef_driver.execute_script(
"arguments[0]['flibble'] = arguments[0].getAttribute('id'); return arguments[0]['flibble']",
button)
assert "plainButton" == value
def test_should_unwrap_element_args_when_switching_frames(driver, log, pages):
ef_driver = EventFiringWebDriver(driver, AbstractEventListener())
ef_driver.get(pages.url("iframes.html"))
frame = ef_driver.find_element_by_id("iframe1")
ef_driver.switch_to.frame(frame)
assert "click me!" == ef_driver.find_element_by_id("imageButton").get_attribute("alt")
def test_should_be_able_to_access_wrapped_instance_from_event_calls(driver):
class EventListener(AbstractEventListener):
def before_navigate_to(url, d):
assert driver is d
ef_driver = EventFiringWebDriver(driver, EventListener())
wrapped_driver = ef_driver.wrapped_driver
assert driver is wrapped_driver
def test_using_kwargs(driver, pages):
ef_driver = EventFiringWebDriver(driver, AbstractEventListener())
ef_driver.get(pages.url("javascriptPage.html"))
ef_driver.get_cookie(name="cookie_name")
element = ef_driver.find_element_by_id("plainButton")
element.get_attribute(name="id")
def test_missing_attributes_raise_error(driver, pages):
ef_driver = EventFiringWebDriver(driver, AbstractEventListener())
with pytest.raises(AttributeError):
ef_driver.attribute_should_not_exist
ef_driver.get(pages.url("readOnlyPage.html"))
element = ef_driver.find_element_by_id("writableTextInput")
with pytest.raises(AttributeError):
element.attribute_should_not_exist