161 lines
4.1 KiB
Python
161 lines
4.1 KiB
Python
#pylint: disable=C0111
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#pylint: disable=W0621
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from lettuce import world
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import time
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from urllib import quote_plus
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from selenium.common.exceptions import WebDriverException, StaleElementReferenceException
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from selenium.webdriver.support import expected_conditions as EC
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from selenium.webdriver.common.by import By
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from selenium.webdriver.support.ui import WebDriverWait
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from lettuce.django import django_url
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@world.absorb
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def wait(seconds):
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time.sleep(float(seconds))
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@world.absorb
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def wait_for(func):
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WebDriverWait(world.browser.driver, 5).until(func)
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@world.absorb
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def visit(url):
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world.browser.visit(django_url(url))
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@world.absorb
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def url_equals(url):
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return world.browser.url == django_url(url)
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@world.absorb
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def is_css_present(css_selector, wait_time=5):
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return world.browser.is_element_present_by_css(css_selector, wait_time=wait_time)
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@world.absorb
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def is_css_not_present(css_selector, wait_time=5):
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return world.browser.is_element_not_present_by_css(css_selector, wait_time=wait_time)
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@world.absorb
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def css_has_text(css_selector, text):
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return world.css_text(css_selector) == text
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@world.absorb
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def css_find(css, wait_time=5):
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def is_visible(driver):
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return EC.visibility_of_element_located((By.CSS_SELECTOR, css,))
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world.browser.is_element_present_by_css(css, wait_time=wait_time)
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wait_for(is_visible)
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return world.browser.find_by_css(css)
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@world.absorb
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def css_click(css_selector):
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"""
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Perform a click on a CSS selector, retrying if it initially fails
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"""
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assert is_css_present(css_selector)
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try:
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world.browser.find_by_css(css_selector).click()
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except WebDriverException:
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# Occassionally, MathJax or other JavaScript can cover up
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# an element temporarily.
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# If this happens, wait a second, then try again
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world.wait(1)
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world.browser.find_by_css(css_selector).click()
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@world.absorb
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def css_click_at(css, x=10, y=10):
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'''
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A method to click at x,y coordinates of the element
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rather than in the center of the element
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'''
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e = css_find(css).first
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e.action_chains.move_to_element_with_offset(e._element, x, y)
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e.action_chains.click()
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e.action_chains.perform()
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@world.absorb
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def id_click(elem_id):
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"""
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Perform a click on an element as specified by its id
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"""
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world.css_click('#%s' % elem_id)
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@world.absorb
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def css_fill(css_selector, text):
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assert is_css_present(css_selector)
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world.browser.find_by_css(css_selector).first.fill(text)
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@world.absorb
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def click_link(partial_text):
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world.browser.find_link_by_partial_text(partial_text).first.click()
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@world.absorb
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def css_text(css_selector):
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# Wait for the css selector to appear
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if world.is_css_present(css_selector):
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try:
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return world.browser.find_by_css(css_selector).first.text
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except StaleElementReferenceException:
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# The DOM was still redrawing. Wait a second and try again.
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world.wait(1)
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return world.browser.find_by_css(css_selector).first.text
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else:
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return ""
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@world.absorb
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def css_visible(css_selector):
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assert is_css_present(css_selector)
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return world.browser.find_by_css(css_selector).visible
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@world.absorb
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def dialogs_closed():
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def are_dialogs_closed(driver):
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'''
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Return True when no modal dialogs are visible
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'''
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return not css_visible('.modal')
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wait_for(are_dialogs_closed)
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return not css_visible('.modal')
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@world.absorb
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def save_the_html(path='/tmp'):
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u = world.browser.url
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html = world.browser.html.encode('ascii', 'ignore')
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filename = '%s.html' % quote_plus(u)
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f = open('%s/%s' % (path, filename), 'w')
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f.write(html)
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f.close()
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@world.absorb
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def click_course_settings():
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course_settings_css = 'li.nav-course-settings'
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if world.browser.is_element_present_by_css(course_settings_css):
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world.css_click(course_settings_css)
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@world.absorb
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def click_tools():
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tools_css = 'li.nav-course-tools'
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if world.browser.is_element_present_by_css(tools_css):
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world.css_click(tools_css)
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