158 lines
5.5 KiB
Python
158 lines
5.5 KiB
Python
"""
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Student progress page
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"""
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from common.test.acceptance.pages.lms.course_page import CoursePage
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class ProgressPage(CoursePage):
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"""
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Student progress page.
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"""
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url_path = "progress"
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def is_browser_on_page(self):
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is_present = (
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self.q(css='.course-info').present and
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self.q(css='#grade-detail-graph').present
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)
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return is_present
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@property
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def grading_formats(self):
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return [label.replace(' Scores:', '') for label in self.q(css=".scores dt").text]
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def section_score(self, chapter, section):
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"""
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Return a list of (points, max_points) tuples representing the
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aggregate score for the section.
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Example:
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page.section_score('Week 1', 'Lesson 1') --> (2, 5)
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Returns `None` if no such chapter and section can be found.
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"""
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# Find the index of the section in the chapter
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chapter_index = self._chapter_index(chapter)
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if chapter_index is None:
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return None
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section_index = self._section_index(chapter_index, section)
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if section_index is None:
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return None
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# Retrieve the scores for the section
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return self._aggregate_section_score(chapter_index, section_index)
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def scores(self, chapter, section):
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"""
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Return a list of (points, max_points) tuples representing the scores
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for the section.
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Example:
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page.scores('Week 1', 'Lesson 1') --> [(2, 4), (0, 1)]
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Returns `None` if no such chapter and section can be found.
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"""
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# Find the index of the section in the chapter
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chapter_index = self._chapter_index(chapter)
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if chapter_index is None:
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return None
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section_index = self._section_index(chapter_index, section)
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if section_index is None:
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return None
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# Retrieve the scores for the section
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return self._section_scores(chapter_index, section_index)
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def text_on_page(self, text):
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"""
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Return whether the given text appears
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on the page.
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"""
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return text in self.q(css=".view-in-course").html[0]
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def _chapter_index(self, title):
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"""
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Return the CSS index of the chapter with `title`.
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Returns `None` if it cannot find such a chapter.
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"""
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chapter_css = '.chapters section .hd'
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chapter_titles = self.q(css=chapter_css).map(lambda el: el.text.lower().strip()).results
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try:
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# CSS indices are 1-indexed, so add one to the list index
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return chapter_titles.index(title.lower()) + 1
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except ValueError:
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self.warning("Could not find chapter '{0}'".format(title))
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return None
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def _section_index(self, chapter_index, title):
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"""
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Return the CSS index of the section with `title` in the chapter at `chapter_index`.
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Returns `None` if it can't find such a section.
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"""
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# This is a hideous CSS selector that means:
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# Get the links containing the section titles in `chapter_index`.
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# The link text is the section title.
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section_css = '.chapters>section:nth-of-type({0}) .sections div .hd a'.format(chapter_index)
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section_titles = self.q(css=section_css).map(lambda el: el.text.lower().strip()).results
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# The section titles also contain "n of m possible points" on the second line
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# We have to remove this to find the right title
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section_titles = [t.split('\n')[0] for t in section_titles]
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# Some links are blank, so remove them
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section_titles = [t for t in section_titles if t]
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try:
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# CSS indices are 1-indexed, so add one to the list index
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return section_titles.index(title.lower()) + 1
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except ValueError:
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self.warning("Could not find section '{0}'".format(title))
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return None
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def _aggregate_section_score(self, chapter_index, section_index):
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"""
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Return a tuple of the form `(points, max_points)` representing
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the aggregate score for the specified chapter and section.
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"""
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score_css = ".chapters>section:nth-of-type({0}) .sections>div:nth-of-type({1}) .hd>span".format(
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chapter_index, section_index
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)
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text_scores = self.q(css=score_css).text
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assert len(text_scores) == 1
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text_score = text_scores[0]
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text_score = text_score.split()[0] # strip off percentage, if present
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assert (text_score[0], text_score[-1]) == ('(', ')')
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text_score = text_score.strip('()')
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assert '/' in text_score
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score = tuple(int(x) for x in text_score.split('/'))
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assert len(score) == 2
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return score
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def _section_scores(self, chapter_index, section_index):
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"""
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Return a list of `(points, max_points)` tuples representing
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the scores in the specified chapter and section.
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`chapter_index` and `section_index` start at 1.
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"""
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# This is CSS selector means:
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# Get the scores for the chapter at `chapter_index` and the section at `section_index`
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# Example text of the retrieved elements: "0/1"
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score_css = ".chapters>section:nth-of-type({0}) .sections>div:nth-of-type({1}) .scores>dd".format(
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chapter_index, section_index
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)
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text_scores = self.q(css=score_css).text
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# Convert text scores to tuples of (points, max_points)
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return [tuple(map(int, score.split('/'))) for score in text_scores]
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