Files
edx-platform/common/test/acceptance/pages/lms/rubric.py
Jay Zoldak 806a6b9f99 Update edx-platform page objects and tests to be compatible with new bok-choy version
Change expectedFailure decorators to skip, because that still takes
a screenshot as if it were an error and at least one of those
take a super long time when running locally on devstack.
2014-03-21 17:10:15 -04:00

142 lines
5.0 KiB
Python

"""
Rubric for open-ended response problems, including calibration and peer-grading.
"""
from bok_choy.page_object import PageObject
from bok_choy.promise import EmptyPromise
class ScoreMismatchError(Exception):
"""
The provided scores do not match the rubric on the page.
"""
pass
class RubricPage(PageObject):
"""
Rubric for open-ended response problems, including calibration and peer-grading.
"""
url = None
def is_browser_on_page(self):
"""
Return a boolean indicating whether the rubric is available.
"""
return self.q(css='div.rubric').present
@property
def categories(self):
"""
Return a list of categories available in the essay rubric.
Example:
["Writing Applications", "Language Conventions"]
The rubric is not always visible; if it's not available,
this will return an empty list.
"""
return self.q(css='span.rubric-category').text
def set_scores(self, scores):
"""
Set the rubric scores. `scores` is a list of integers
indicating the number of points in each category.
For example, `scores` might be [0, 2, 1] if the student scored
0 points in the first category, 2 points in the second category,
and 1 point in the third category.
If the number of scores does not match the number of categories,
a `ScoreMismatchError` is raised.
"""
# Warn if we have the wrong number of scores
num_categories = self.categories
if len(scores) != len(num_categories):
raise ScoreMismatchError(
"Received {0} scores but there are {1} rubric categories".format(
len(scores), num_categories))
# Set the score for each category
for score_index in range(len(scores)):
# Check that we have the enough radio buttons
category_css = "div.rubric>ul.rubric-list:nth-of-type({0})".format(score_index + 1)
if scores[score_index] > len(self.q(css=category_css + ' input.score-selection').results):
raise ScoreMismatchError(
"Tried to select score {0} but there are only {1} options".format(
score_index, len(scores)))
# Check the radio button at the correct index
else:
input_css = (
category_css +
">li.rubric-list-item:nth-of-type({0}) input.score-selection".format(scores[score_index] + 1)
)
EmptyPromise(lambda: self._select_score_radio_button(input_css), "Score selection failed.").fulfill()
def _select_score_radio_button(self, radio_button_css):
self.q(css=radio_button_css).first.click()
return self.q(css=radio_button_css).selected
@property
def feedback(self):
"""
Return a list of correct/incorrect feedback for each rubric category (e.g. from self-assessment).
Example: ['correct', 'incorrect']
If no feedback is available, returns an empty list.
If feedback could not be interpreted (unexpected CSS class),
the list will contain a `None` item.
"""
# Get the green checkmark / red x labels
# We need to filter out the similar-looking CSS classes
# for the rubric items that are NOT marked correct/incorrect
feedback_css = 'div.rubric-label>label'
labels = [
el_class for el_class in
self.q(css=feedback_css).attrs('class')
if el_class != 'rubric-elements-info'
]
def map_feedback(css_class):
"""
Map CSS classes on the labels to correct/incorrect
"""
if 'choicegroup_incorrect' in css_class:
return 'incorrect'
elif 'choicegroup_correct' in css_class:
return 'correct'
else:
return None
return map(map_feedback, labels)
def submit(self, promise_check_type=None):
"""
Submit the rubric.
`promise_check_type` is either 'self', or 'peer'. If promise check is not required then don't pass any value.
"""
# Wait for the button to become enabled
button_css = 'input.submit-button'
EmptyPromise(
lambda: all(self.q(css=button_css).map(lambda el: not el.get_attribute('disabled')).results),
"Submit button not enabled"
).fulfill()
# Submit the assessment
self.q(css=button_css).first.click()
if promise_check_type == 'self':
# Check if submitted rubric is available
EmptyPromise(
lambda: self.q(css='div.rubric-label>label').present, 'Submitted Rubric not available!'
).fulfill()
elif promise_check_type == 'peer':
# Check if we are ready for peer grading
EmptyPromise(
lambda: self.q(css='input.calibration-feedback-button').present, 'Not ready for peer grading!'
).fulfill()