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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
from splinter.element_list import ElementList
from splinter.exceptions import ElementDoesNotExist
from splinter.driver import DriverAPI, ElementAPI
from splinter.cookie_manager import CookieManagerAPI
import mimetypes
import lxml.html
import mechanize
import time
class CookieManager(CookieManagerAPI):
def __init__(self, browser_cookies):
self._cookies = browser_cookies
def add(self, cookies):
for key, value in cookies.items():
self._cookies[key] = value
def delete(self, *cookies):
if cookies:
for cookie in cookies:
try:
del self._cookies[cookie]
except KeyError:
pass
else:
self._cookies.clearAll()
def all(self):
return self._cookies.items()
def __getitem__(self, item):
return self._cookies[item]
def __eq__(self, other_object):
if isinstance(other_object, dict):
return dict(self._cookies) == other_object
class ZopeTestBrowser(DriverAPI):
driver_name = "zope.testbrowser"
def __init__(self, user_agent=None, wait_time=2):
self.wait_time = wait_time
mech_browser = self._get_mech_browser(user_agent)
self._browser = Browser(mech_browser=mech_browser)
self._cookie_manager = CookieManager(self._browser.cookies)
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 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 = lxml.html.fromstring(self.html)
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 = lxml.html.fromstring(self.html)
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 find_by_xpath(self, xpath, original_find=None, original_selector=None):
html = lxml.html.fromstring(self.html)
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):
return self.find_by_name(xpath_element.name)
else:
elements.append(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):
return self.find_by_xpath('//*[@value="%s"]' % value, original_find="value", original_selector=value)
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
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):
for name, value in field_values.items():
element = self.find_by_name(name)
control = element.first._control
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:
# text, textarea, password, tel
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 = lxml.html.fromstring(self.html)
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')
def _get_mech_browser(self, user_agent):
mech_browser = mechanize.Browser()
if user_agent is not None:
mech_browser.addheaders = [("User-agent", user_agent), ]
return mech_browser
@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_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):
return self._control.mech_control.attrs[attr]
@property
def value(self):
return self._control.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 self._control.mech_item.attrs[attr]
@property
def text(self):
return self._control.mech_item.get_labels()[0]._text
@property
def value(self):
return self._control.optionValue
@property
def selected(self):
return self._control.mech_item._selected