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Commit abcfee03 by Csók Tamás
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selenium: stability upgrades, fallback action chains

parent dc0834bd
Showing with 198 additions and 122 deletions
circle/dashboard/tests/selenium/util.py
...@@ -24,7 +24,8 @@ import time ...@@ -24,7 +24,8 @@ import time
import urlparse import urlparse
from selenium.common.exceptions import ( from selenium.common.exceptions import (
NoSuchElementException, StaleElementReferenceException) NoSuchElementException, StaleElementReferenceException,
TimeoutException)
from selenium.webdriver.common.by import By from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as ec from selenium.webdriver.support import expected_conditions as ec
from selenium.webdriver.support.select import Select from selenium.webdriver.support.select import Select
...@@ -35,7 +36,131 @@ from .config import SeleniumConfig ...@@ -35,7 +36,131 @@ from .config import SeleniumConfig
logger = logging.getLogger(SeleniumConfig.logger_name) logger = logging.getLogger(SeleniumConfig.logger_name)
class CircleSeleniumMixin(object): class SeleniumMixin(object):
def list_options(self, select):
try:
option_dic = {}
select = Select(select)
for option in select.options:
key = option.get_attribute('value')
if key is not None and key:
option_dic[key] = [option.text]
return option_dic
except:
logger.exception("Selenium cannot list the"
" select possibilities")
raise Exception(
'Cannot list the select possibilities')
def select_option(self, select, what=None):
"""
From an HTML select imput type try to choose the specified one.
Select is a selenium web element type. What represent both the
text of the option and it's ID.
"""
try:
my_choice = None
options = self.list_options(select)
select = Select(select)
if what is not None:
for key, value in options.iteritems():
if what in key:
my_choice = key
else:
if isinstance(value, list):
for single_value in value:
if what in single_value:
my_choice = key
else:
if what in value:
my_choice = key
if my_choice is None:
my_choose_list = options.keys()
my_choice = my_choose_list[random.randint(
0, len(my_choose_list) - 1)]
select.select_by_value(my_choice)
except:
logger.exception("Selenium cannot select the chosen one")
raise Exception(
'Cannot select the chosen one')
def get_link_by_href(self, target_href, attributes=None):
try:
links = self.driver.find_elements_by_tag_name('a')
for link in links:
href = link.get_attribute('href')
if href is not None and href:
if target_href in href:
perfect_fit = True
if isinstance(attributes, dict):
for key, target_value in attributes.iteritems():
attr_check = link.get_attribute(key)
if attr_check is not None and attr_check:
if target_value not in attr_check:
perfect_fit = False
if perfect_fit:
return link
except:
logger.exception(
"Selenium cannot find the href=%s link" % target_href)
raise Exception('Cannot find the requested href')
def click_on_link(self, link):
"""
There are situations when selenium built in click() function
doesn't work as intended, that's when this function is used.
Fires a click event via javascript injection.
"""
try:
# Javascript function to simulate a click on a link
javascript = """
var link = arguments[0];
var cancelled = false;
if(document.createEvent) {
var event = document.createEvent("MouseEvents");
event.initMouseEvent(
"click", true, true, window, 0, 0, 0, 0, 0,
false,false,false,false,0,null);
cancelled = !link.dispatchEvent(event);
} else if(link.fireEvent) {
cancelled = !link.fireEvent("onclick");
} if (!cancelled) {
window.location = link.href;
}"""
self.driver.execute_script(javascript, link)
except:
logger.exception("Selenium cannot inject javascript to the page")
raise Exception(
'Cannot inject javascript to the page')
def get_text(self, node, tag):
"""
There are some cases where selenium default WebElement text()
method returns less then it actually could contain. Solving that
here is a simple regular expression. Give the closest html element
then specify the html tag of the enclosed text.
"""
text = ""
try:
text_whole = re.search(
r'<%(tag)s[^>]*>([^<]+)</%(tag)s>' % {
'tag': tag},
node.get_attribute("outerHTML")).group()
text_parts = text_whole.splitlines()
for part in text_parts:
if '<' not in part and '>' not in part:
text += part
text = text.replace(" ", "")
except:
return node.text
if len(node.text) >= len(text):
text = node.text
else:
logger.warning("Better text found which is '%s'" % text)
return text.strip()
class CircleSeleniumMixin(SeleniumMixin):
def login(self, location=None): def login(self, location=None):
driver = self.driver driver = self.driver
if location is None: if location is None:
...@@ -76,7 +201,8 @@ class CircleSeleniumMixin(object): ...@@ -76,7 +201,8 @@ class CircleSeleniumMixin(object):
logger.exception("Selenium cannot find the form controls") logger.exception("Selenium cannot find the form controls")
raise Exception('Cannot find the form controls') raise Exception('Cannot find the form controls')
def wait_and_accept_operation(self, argument=None): def wait_and_accept_operation(self, argument=None, try_wait=None,
fallback_url=None):
""" """
Accepts the operation confirmation pop up window. Accepts the operation confirmation pop up window.
Fills out the text inputs before accepting if argument is given. Fills out the text inputs before accepting if argument is given.
...@@ -97,20 +223,56 @@ class CircleSeleniumMixin(object): ...@@ -97,20 +223,56 @@ class CircleSeleniumMixin(object):
form.clear() form.clear()
form.send_keys(argument) form.send_keys(argument)
accept.click() accept.click()
if try_wait is not None:
try:
WebDriverWait(self.driver, self.conf.wait_max_sec).until(
ec.visibility_of_element_located((
By.CSS_SELECTOR, try_wait)))
except TimeoutException:
# Try to submit to form using other method
try:
accept = WebDriverWait(
self.driver, self.conf.wait_max_sec).until(
ec.element_to_be_clickable((
By.CLASS_NAME, "modal-accept")))
accept.find_element_by_css_selector(
"form[method*='POST']").submit()
except:
logger.exception(
"Selenium couldn't find the modal at retry")
raise Exception("Cannot find the modal")
except:
logger.exception(
"Selenium couldn't find the specified css element")
raise Exception("Cannot find the css element")
except: except:
logger.exception("Selenium cannot accept the" logger.exception("Selenium cannot accept the"
" operation confirmation") " operation confirmation")
if fallback_url is not None:
logger.warning(
"However error was anticipated falling back to %(url)s" % {
'url': fallback_url})
self.driver.get(fallback_url)
self.wait_and_accept_operation(argument, try_wait)
else:
self.driver.save_screenshot('error_at_try_wait.png')
raise Exception( raise Exception(
'Cannot accept the operation confirmation') 'Cannot accept the operation confirmation')
def save_template_from_vm(self, name): def save_template_from_vm(self, name):
try: try:
url_base = urlparse.urlparse(self.driver.current_url)
url_save = ("%(host)s%(url)s" % {
'host': self.conf.host,
'url': urlparse.urljoin(url_base.path, url_base.query)})
WebDriverWait(self.driver, self.conf.wait_max_sec).until( WebDriverWait(self.driver, self.conf.wait_max_sec).until(
ec.element_to_be_clickable(( ec.element_to_be_clickable((
By.CSS_SELECTOR, By.CSS_SELECTOR,
"a[href$='/op/deploy/']"))) "a[href$='/op/deploy/']")))
self.click_on_link(self.get_link_by_href("/op/deploy/")) self.click_on_link(self.get_link_by_href("/op/deploy/"))
self.wait_and_accept_operation() fallback_url = "%sop/deploy/" % url_save
self.wait_and_accept_operation(
try_wait="a[href$='/op/shut_off/']", fallback_url=fallback_url)
recent_deploy = self.recently(self.get_timeline_elements( recent_deploy = self.recently(self.get_timeline_elements(
"vm.Instance.deploy")) "vm.Instance.deploy"))
if not self.check_operation_result( if not self.check_operation_result(
...@@ -123,10 +285,9 @@ class CircleSeleniumMixin(object): ...@@ -123,10 +285,9 @@ class CircleSeleniumMixin(object):
ec.element_to_be_clickable(( ec.element_to_be_clickable((
By.CSS_SELECTOR, By.CSS_SELECTOR,
"a[href$='/op/shut_off/']")))) "a[href$='/op/shut_off/']"))))
self.wait_and_accept_operation() fallback_url = "%sop/shut_off/" % url_save
WebDriverWait(self.driver, self.conf.wait_max_sec).until( self.wait_and_accept_operation(
ec.element_to_be_clickable(( try_wait="a[href$='/op/deploy/']", fallback_url=fallback_url)
By.CSS_SELECTOR, "a[href$='/op/deploy/']")))
recent_shut_off = self.recently(self.get_timeline_elements( recent_shut_off = self.recently(self.get_timeline_elements(
"vm.Instance.shut_off")) "vm.Instance.shut_off"))
if not self.check_operation_result( if not self.check_operation_result(
...@@ -140,6 +301,8 @@ class CircleSeleniumMixin(object): ...@@ -140,6 +301,8 @@ class CircleSeleniumMixin(object):
By.CSS_SELECTOR, By.CSS_SELECTOR,
"a[href$='/op/save_as_template/']")))) "a[href$='/op/save_as_template/']"))))
self.wait_and_accept_operation(name) self.wait_and_accept_operation(name)
logger.warning("Selenium created %(name)s template" % {
'name': name})
return name return name
except: except:
logger.exception("Selenium cannot save a vm as a template") logger.exception("Selenium cannot save a vm as a template")
...@@ -150,7 +313,7 @@ class CircleSeleniumMixin(object): ...@@ -150,7 +313,7 @@ class CircleSeleniumMixin(object):
method=None, op_system=None, lease=None, method=None, op_system=None, lease=None,
network="vm"): network="vm"):
if name is None: if name is None:
name = "template_new_%s" % self.conf.client_name name = "new_%s" % self.conf.client_name
if op_system is None: if op_system is None:
op_system = "!os %s" % self.conf.client_name op_system = "!os %s" % self.conf.client_name
try: try:
...@@ -213,7 +376,9 @@ class CircleSeleniumMixin(object): ...@@ -213,7 +376,9 @@ class CircleSeleniumMixin(object):
templates = template_table.find_elements_by_css_selector("td.name") templates = template_table.find_elements_by_css_selector("td.name")
found_template_ids = [] found_template_ids = []
for template in templates: for template in templates:
if name is None or name in template.text: # Little magic to outsmart accented naming errors
template_name = self.get_text(template, "a")
if name is None or name in template_name:
try: try:
template_link = template.find_element_by_css_selector( template_link = template.find_element_by_css_selector(
css_selector_of_a_template) css_selector_of_a_template)
...@@ -223,12 +388,21 @@ class CircleSeleniumMixin(object): ...@@ -223,12 +388,21 @@ class CircleSeleniumMixin(object):
found_template_ids.append(template_id) found_template_ids.append(template_id)
logger.warning("Found '%(name)s' " logger.warning("Found '%(name)s' "
"template's ID as %(id)s" % { "template's ID as %(id)s" % {
'name': template.text, 'name': template_name,
'id': template_id}) 'id': template_id})
except NoSuchElementException: except NoSuchElementException:
pass pass
except: except:
raise raise
else:
logger.warning(
"Searching for %(searched)s so"
" %(name)s is dismissed" % {
'searched': name,
'name': template_name})
logger.warning(
"Dismissed template html code: %(code)s" % {
'code': template.get_attribute("outerHTML")})
if not found_template_ids and name is not None: if not found_template_ids and name is not None:
logger.warning("Selenium could not find the specified " logger.warning("Selenium could not find the specified "
"%(name)s template in the list" % { "%(name)s template in the list" % {
...@@ -339,7 +513,7 @@ class CircleSeleniumMixin(object): ...@@ -339,7 +513,7 @@ class CircleSeleniumMixin(object):
code_text = code code_text = code
css_activity_selector = ("div[data-activity-code=" css_activity_selector = ("div[data-activity-code="
"'%(code)s']" % { "'%(code)s']" % {
'code': code_text}) 'code': code})
self.click_on_link(WebDriverWait( self.click_on_link(WebDriverWait(
self.driver, self.conf.wait_max_sec).until( self.driver, self.conf.wait_max_sec).until(
ec.element_to_be_clickable(( ec.element_to_be_clickable((
...@@ -378,7 +552,7 @@ class CircleSeleniumMixin(object): ...@@ -378,7 +552,7 @@ class CircleSeleniumMixin(object):
def create_template_from_base(self, delete_disk=True, name=None): def create_template_from_base(self, delete_disk=True, name=None):
try: try:
if name is None: if name is None:
name = "template_from_base_%s" % self.conf.client_name name = "from_%s" % self.conf.client_name
self.driver.get('%s/dashboard/template/choose/' % self.conf.host) self.driver.get('%s/dashboard/template/choose/' % self.conf.host)
choice_list = [] choice_list = []
choices = self.driver.find_elements_by_css_selector( choices = self.driver.find_elements_by_css_selector(
...@@ -402,14 +576,8 @@ class CircleSeleniumMixin(object): ...@@ -402,14 +576,8 @@ class CircleSeleniumMixin(object):
if len(disk_list) > 0: if len(disk_list) > 0:
self.click_on_link( self.click_on_link(
self.get_link_by_href("/op/remove_disk/")) self.get_link_by_href("/op/remove_disk/"))
self.wait_and_accept_operation() self.wait_and_accept_operation(
WebDriverWait(self.driver, self.conf.wait_max_sec).until( try_wait="a[href*='#activity']")
ec.visibility_of_element_located((
By.ID, "_activity")))
self.click_on_link(WebDriverWait(
self.driver, self.conf.wait_max_sec).until(
ec.element_to_be_clickable((
By.CSS_SELECTOR, "a[href*='#activity']"))))
recent_remove_disk = self.recently( recent_remove_disk = self.recently(
self.get_timeline_elements( self.get_timeline_elements(
"vm.Instance.remove_disk")) "vm.Instance.remove_disk"))
...@@ -454,10 +622,16 @@ class CircleSeleniumMixin(object): ...@@ -454,10 +622,16 @@ class CircleSeleniumMixin(object):
'vm-create-template-summary') 'vm-create-template-summary')
choice = random.randint(0, len(vm_list) - 1) choice = random.randint(0, len(vm_list) - 1)
vm_list[choice].click() vm_list[choice].click()
try:
WebDriverWait(self.driver, self.conf.wait_max_sec).until( WebDriverWait(self.driver, self.conf.wait_max_sec).until(
ec.element_to_be_clickable(( ec.element_to_be_clickable((
By.CSS_SELECTOR, By.CLASS_NAME, "vm-create-start"))).click()
"button[class*='vm-create-start']"))).click() except TimeoutException:
# Selenium can time out not findig it even though it is present
self.driver.find_element_by_tag_name('form').submit()
except:
logger.exception("Selenium could not submit create vm form")
raise Exception('Could not submit a form')
WebDriverWait(self.driver, self.conf.wait_max_sec).until( WebDriverWait(self.driver, self.conf.wait_max_sec).until(
ec.visibility_of_element_located(( ec.visibility_of_element_located((
By.CLASS_NAME, 'alert-success'))) By.CLASS_NAME, 'alert-success')))
...@@ -498,7 +672,7 @@ class CircleSeleniumMixin(object): ...@@ -498,7 +672,7 @@ class CircleSeleniumMixin(object):
self.driver.get("%(host)s/dashboard/vm/%(id)s/op/destroy/" % { self.driver.get("%(host)s/dashboard/vm/%(id)s/op/destroy/" % {
'host': self.conf.host, 'host': self.conf.host,
'id': pk}) 'id': pk})
self.wait_and_accept_operation() self.wait_and_accept_operation(try_wait="a[href*='/op/recover/']")
try: try:
status_span = WebDriverWait( status_span = WebDriverWait(
self.driver, self.conf.wait_max_sec).until( self.driver, self.conf.wait_max_sec).until(
...@@ -528,101 +702,3 @@ class CircleSeleniumMixin(object): ...@@ -528,101 +702,3 @@ class CircleSeleniumMixin(object):
except: except:
logger.exception("Selenium can not destroy a VM") logger.exception("Selenium can not destroy a VM")
raise Exception("Can not destroy a VM") raise Exception("Can not destroy a VM")
class SeleniumMixin(object):
def list_options(self, select):
try:
option_dic = {}
select = Select(select)
for option in select.options:
key = option.get_attribute('value')
if key is not None and key:
option_dic[key] = [option.text]
return option_dic
except:
logger.exception("Selenium cannot list the"
" select possibilities")
raise Exception(
'Cannot list the select possibilities')
def select_option(self, select, what=None):
"""
From an HTML select imput type try to choose the specified one.
Select is a selenium web element type. What represent both the
text of the option and it's ID.
"""
try:
my_choice = None
options = self.list_options(select)
select = Select(select)
if what is not None:
for key, value in options.iteritems():
if what in key:
my_choice = key
else:
if isinstance(value, list):
for single_value in value:
if what in single_value:
my_choice = key
else:
if what in value:
my_choice = key
if my_choice is None:
my_choose_list = options.keys()
my_choice = my_choose_list[random.randint(
0, len(my_choose_list) - 1)]
select.select_by_value(my_choice)
except:
logger.exception("Selenium cannot select the chosen one")
raise Exception(
'Cannot select the chosen one')
def get_link_by_href(self, target_href, attributes=None):
try:
links = self.driver.find_elements_by_tag_name('a')
for link in links:
href = link.get_attribute('href')
if href is not None and href:
if target_href in href:
perfect_fit = True
if isinstance(attributes, dict):
for key, target_value in attributes.iteritems():
attr_check = link.get_attribute(key)
if attr_check is not None and attr_check:
if target_value not in attr_check:
perfect_fit = False
if perfect_fit:
return link
except:
logger.exception(
"Selenium cannot find the href=%s link" % target_href)
raise Exception('Cannot find the requested href')
def click_on_link(self, link):
"""
There are situations when selenium built in click() function
doesn't work as intended, that's when this function is used.
Fires a click event via javascript injection.
"""
try:
# Javascript function to simulate a click on a link
javascript = (
"var link = arguments[0];"
"var cancelled = false;"
"if(document.createEvent) {"
" var event = document.createEvent(\"MouseEvents\");"
" event.initMouseEvent("
" \"click\", true, true, window, 0, 0, 0, 0, 0,"
" false,false,false,false,0,null);"
" cancelled = !link.dispatchEvent(event);"
"} else if(link.fireEvent) {"
" cancelled = !link.fireEvent(\"onclick\");"
"} if (!cancelled) {"
" window.location = link.href;"
"}")
self.driver.execute_script(javascript, link)
except:
logger.exception("Selenium cannot inject javascript to the page")
raise Exception(
'Cannot inject javascript to the page')
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