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zopetestbrowser.py
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zopetestbrowser.py
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# -*- coding: utf-8 -*-
# Copyright 2012 splinter authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
import re
from lxml.cssselect import CSSSelector
from zope.testbrowser.browser import Browser, ListControl, SubmitControl
from splinter.element_list import ElementList
from splinter.exceptions import ElementDoesNotExist
from splinter.driver import DriverAPI, ElementAPI
from splinter.driver.element_present import ElementPresentMixIn
from splinter.driver.xpath_utils import _concat_xpath_from_str
from splinter.cookie_manager import CookieManagerAPI
import mimetypes
import lxml.html
import time
class CookieManager(CookieManagerAPI):
def __init__(self, driver):
self.driver = driver
def add(self, cookies):
if isinstance(cookies, list):
for cookie in cookies:
for key, value in cookie.items():
self.driver.cookies[key] = value
return
for key, value in cookies.items():
self.driver.cookies[key] = value
def delete(self, *cookies):
if cookies:
for cookie in cookies:
try:
del self.driver.cookies[cookie]
except KeyError:
pass
else:
self.driver.cookies.clearAll()
def all(self, verbose=False):
cookies = {}
for key, value in self.driver.cookies.items():
cookies[key] = value
return cookies
def __getitem__(self, item):
return self.driver.cookies[item]
def __contains__(self, key):
return key in self.driver.cookies
def __eq__(self, other_object):
if isinstance(other_object, dict):
return dict(self.driver.cookies) == other_object
return False
class ZopeTestBrowser(ElementPresentMixIn, DriverAPI):
driver_name = "zope.testbrowser"
def __init__(self, wait_time=2):
self.wait_time = wait_time
self._browser = Browser()
self._cookie_manager = CookieManager(self._browser)
self._last_urls = []
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, traceback):
pass
def visit(self, url):
self._browser.open(url)
def back(self):
self._last_urls.insert(0, self.url)
self._browser.goBack()
def forward(self):
try:
self.visit(self._last_urls.pop())
except IndexError:
pass
def reload(self):
self._browser.reload()
def quit(self):
pass
@property
def htmltree(self):
return lxml.html.fromstring(self.html.decode("utf-8"))
@property
def title(self):
return self._browser.title
@property
def html(self):
return self._browser.contents
@property
def url(self):
return self._browser.url
def find_option_by_value(self, value):
html = self.htmltree
element = html.xpath('//option[@value="%s"]' % value)[0]
control = self._browser.getControl(element.text)
return ElementList(
[ZopeTestBrowserOptionElement(control, self)], find_by="value", query=value
)
def find_option_by_text(self, text):
html = self.htmltree
element = html.xpath('//option[normalize-space(text())="%s"]' % text)[0]
control = self._browser.getControl(element.text)
return ElementList(
[ZopeTestBrowserOptionElement(control, self)], find_by="text", query=text
)
def find_by_css(self, selector):
xpath = CSSSelector(selector).path
return self.find_by_xpath(
xpath, original_find="css", original_selector=selector
)
def get_control(self, xpath_element):
return xpath_element
def find_by_xpath(self, xpath, original_find=None, original_selector=None):
html = self.htmltree
elements = []
for xpath_element in html.xpath(xpath):
if self._element_is_link(xpath_element):
return self._find_links_by_xpath(xpath)
elif self._element_is_control(xpath_element) and xpath_element.name:
return self.find_by_name(xpath_element.name)
else:
elements.append(self.get_control(xpath_element))
find_by = original_find or "xpath"
query = original_selector or xpath
return ElementList(
[ZopeTestBrowserElement(element, self) for element in elements],
find_by=find_by,
query=query,
)
def find_by_tag(self, tag):
return self.find_by_xpath(
"//%s" % tag, original_find="tag", original_selector=tag
)
def find_by_value(self, value):
elem = self.find_by_xpath(
'//*[@value="%s"]' % value, original_find="value", original_selector=value
)
if elem:
return elem
return self.find_by_xpath('//*[.="%s"]' % value)
def find_by_text(self, text):
xpath_str = _concat_xpath_from_str(text)
return self.find_by_xpath(
xpath_str,
original_find="text",
original_selector=text,
)
def find_by_id(self, id_value):
return self.find_by_xpath(
'//*[@id="%s"][1]' % id_value,
original_find="id",
original_selector=id_value,
)
def find_by_name(self, name):
elements = []
index = 0
while True:
try:
control = self._browser.getControl(name=name, index=index)
elements.append(control)
index += 1
except LookupError:
break
except NotImplementedError:
break
return ElementList(
[ZopeTestBrowserControlElement(element, self) for element in elements],
find_by="name",
query=name,
)
def find_link_by_text(self, text):
return self._find_links_by_xpath("//a[text()='%s']" % text)
def find_link_by_href(self, href):
return self._find_links_by_xpath("//a[@href='%s']" % href)
def find_link_by_partial_href(self, partial_href):
return self._find_links_by_xpath("//a[contains(@href, '%s')]" % partial_href)
def find_link_by_partial_text(self, partial_text):
return self._find_links_by_xpath(
"//a[contains(normalize-space(.), '%s')]" % partial_text
)
def fill(self, name, value):
self.find_by_name(name=name).first._control.value = value
def fill_form(self, field_values, form_id=None, name=None):
form = self._browser
if name or form_id:
form = self._browser.getForm(name=name, id=form_id)
for name, value in field_values.items():
control = form.getControl(name=name)
if control.type == "checkbox":
if value:
control.value = control.options
else:
control.value = []
elif control.type == "radio":
control.value = [
option for option in control.options if option == value
]
elif control.type == "select":
control.value = [value]
else:
control.value = value
def choose(self, name, value):
control = self._browser.getControl(name=name)
control.value = [option for option in control.options if option == value]
def check(self, name):
control = self._browser.getControl(name=name)
control.value = control.options
def uncheck(self, name):
control = self._browser.getControl(name=name)
control.value = []
def attach_file(self, name, file_path):
filename = file_path.split("/")[-1]
control = self._browser.getControl(name=name)
content_type, _ = mimetypes.guess_type(file_path)
control.add_file(open(file_path), content_type, filename)
def _find_links_by_xpath(self, xpath):
html = self.htmltree
links = html.xpath(xpath)
return ElementList(
[ZopeTestBrowserLinkElement(link, self) for link in links],
find_by="xpath",
query=xpath,
)
def select(self, name, value):
self.find_by_name(name).first._control.value = [value]
def is_text_present(self, text, wait_time=None):
wait_time = wait_time or self.wait_time
end_time = time.time() + wait_time
while time.time() < end_time:
if self._is_text_present(text):
return True
return False
def _is_text_present(self, text):
try:
body = self.find_by_tag("body").first
return text in body.text
except ElementDoesNotExist:
# This exception will be thrown if the body tag isn't present
# This has occasionally been observed. Assume that the
# page isn't fully loaded yet
return False
def is_text_not_present(self, text, wait_time=None):
wait_time = wait_time or self.wait_time
end_time = time.time() + wait_time
while time.time() < end_time:
if not self._is_text_present(text):
return True
return False
def _element_is_link(self, element):
return element.tag == "a"
def _element_is_control(self, element):
return hasattr(element, "type")
@property
def cookies(self):
return self._cookie_manager
re_extract_inner_html = re.compile(r"^<[^<>]+>(.*)</[^<>]+>$")
class ZopeTestBrowserElement(ElementAPI):
def __init__(self, element, parent):
self._element = element
self.parent = parent
def __getitem__(self, attr):
return self._element.attrib[attr]
def find_by_css(self, selector):
elements = self._element.cssselect(selector)
return ElementList([self.__class__(element, self) for element in elements])
def find_by_xpath(self, selector):
elements = self._element.xpath(selector)
return ElementList([self.__class__(element, self) for element in elements])
def find_by_name(self, name):
elements = self._element.cssselect('[name="%s"]' % name)
return ElementList([self.__class__(element, self) for element in elements])
def find_by_tag(self, name):
elements = self._element.cssselect(name)
return ElementList([self.__class__(element, self) for element in elements])
def find_by_value(self, value):
elements = self._element.cssselect('[value="%s"]' % value)
return ElementList([self.__class__(element, self) for element in elements])
def find_by_text(self, text):
# Add a period to the xpath to search only inside the parent.
xpath_str = '.{}'.format(_concat_xpath_from_str(text))
return self.find_by_xpath(xpath_str)
def find_by_id(self, id):
elements = self._element.cssselect("#%s" % id)
return ElementList([self.__class__(element, self) for element in elements])
@property
def value(self):
return self._element.text_content()
@property
def text(self):
return self.value
@property
def outer_html(self):
return lxml.html.tostring(self._element, encoding="unicode").strip()
@property
def html(self):
return re_extract_inner_html.match(self.outer_html).group(1)
def has_class(self, class_name):
return len(self._element.find_class(class_name)) > 0
class ZopeTestBrowserLinkElement(ZopeTestBrowserElement):
def __init__(self, element, parent):
super(ZopeTestBrowserLinkElement, self).__init__(element, parent)
self._browser = parent._browser
def __getitem__(self, attr):
return super(ZopeTestBrowserLinkElement, self).__getitem__(attr)
def click(self):
return self._browser.open(self["href"])
class ZopeTestBrowserControlElement(ZopeTestBrowserElement):
def __init__(self, control, parent):
self._control = control
self.parent = parent
def __getitem__(self, attr):
try:
return getattr(self._control._control, attr)
except AttributeError:
return self._control._control.attrs[attr]
@property
def value(self):
value = self._control.value
if isinstance(self._control, ListControl) and len(value) == 1:
return value[0]
return value
@property
def checked(self):
return bool(self._control.value)
def click(self):
return self._control.click()
def fill(self, value):
self._control.value = value
def select(self, value):
self._control.value = [value]
class ZopeTestBrowserOptionElement(ZopeTestBrowserElement):
def __init__(self, control, parent):
self._control = control
self.parent = parent
def __getitem__(self, attr):
return getattr(self._control, attr)
@property
def text(self):
return self._control.labels[0]
@property
def value(self):
return self._control.optionValue
@property
def selected(self):
return self._control.selected