Files
edx-platform/xmodule/capa/tests/test_customrender.py
2022-07-27 15:36:08 +05:00

81 lines
2.4 KiB
Python

# lint-amnesty, pylint: disable=missing-module-docstring
import unittest
import xml.sax.saxutils as saxutils
from lxml import etree
from xmodule.capa import customrender
from xmodule.capa.tests.helpers import test_capa_system
# just a handy shortcut
lookup_tag = customrender.registry.get_class_for_tag
def extract_context(xml):
"""
Given an xml element corresponding to the output of test_capa_system.render_template, get back the
original context
"""
return eval(xml.text) # lint-amnesty, pylint: disable=eval-used
def quote_attr(s):
return saxutils.quoteattr(s)[1:-1] # don't want the outer quotes
class HelperTest(unittest.TestCase):
'''
Make sure that our helper function works!
'''
def check(self, d):
xml = etree.XML(test_capa_system().render_template('blah', d))
assert d == extract_context(xml)
def test_extract_context(self):
self.check({})
self.check({1, 2})
self.check({'id', 'an id'})
self.check({'with"quote', 'also"quote'})
class SolutionRenderTest(unittest.TestCase):
'''
Make sure solutions render properly.
'''
def test_rendering(self):
solution = 'To compute unicorns, count them.'
xml_str = """<solution id="solution_12">{s}</solution>""".format(s=solution)
element = etree.fromstring(xml_str)
renderer = lookup_tag('solution')(test_capa_system(), element)
assert renderer.id == 'solution_12'
# Our test_capa_system "renders" templates to a div with the repr of the context.
xml = renderer.get_html()
context = extract_context(xml)
assert context == {'id': 'solution_12'}
class MathRenderTest(unittest.TestCase):
'''
Make sure math renders properly.
'''
def check_parse(self, latex_in, mathjax_out): # lint-amnesty, pylint: disable=missing-function-docstring
xml_str = """<math>{tex}</math>""".format(tex=latex_in)
element = etree.fromstring(xml_str)
renderer = lookup_tag('math')(test_capa_system(), element)
assert renderer.mathstr == mathjax_out
def test_parsing(self):
self.check_parse('$abc$', '[mathjaxinline]abc[/mathjaxinline]')
self.check_parse('$abc', '$abc')
self.check_parse(r'$\displaystyle 2+2$', '[mathjax] 2+2[/mathjax]')
# NOTE: not testing get_html yet because I don't understand why it's doing what it's doing.