Files
edx-platform/xmodule/capa/tests/test_answer_pool.py
2026-01-07 16:39:11 +05:00

699 lines
27 KiB
Python

"""
Tests the logic of the "answer-pool" attribute, e.g.
<choicegroup answer-pool="4">
"""
import textwrap
import unittest
from xmodule.capa.responsetypes import LoncapaProblemError
from xmodule.capa.tests.helpers import mock_capa_system, new_loncapa_problem
class CapaAnswerPoolTest(unittest.TestCase):
"""Capa Answer Pool Test"""
def setUp(self):
super().setUp()
self.system = mock_capa_system()
# XML problem setup used by a few tests.
common_question_xml = textwrap.dedent(
"""
<problem>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="4">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true" explanation-id="solution1">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true" explanation-id="solution2">correct-2</choice>
</choicegroup>
</multiplechoiceresponse>
<solutionset>
<solution explanation-id="solution1">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 1st solution</p>
<p>Not much to explain here, sorry!</p>
</div>
</solution>
<solution explanation-id="solution2">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 2nd solution</p>
</div>
</solution>
</solutionset>
</problem>
"""
)
def test_answer_pool_4_choices_1_multiplechoiceresponse_seed1(self):
"""Test answer-pool=4 with one multiplechoiceresponse and a fixed seed."""
problem = new_loncapa_problem(self.common_question_xml, seed=723)
the_html = problem.get_html()
# [('choice_3', 'wrong-3'), ('choice_5', 'correct-2'), ('choice_1', 'wrong-2'), ('choice_4', 'wrong-4')]
self.assertRegex(the_html, r"<div>.*\[.*'wrong-3'.*'correct-2'.*'wrong-2'.*'wrong-4'.*\].*</div>")
self.assertRegex(the_html, r"<div>\{.*'1_solution_2'.*\}</div>")
assert the_html == problem.get_html(), "should be able to call get_html() twice"
# Check about masking
response = list(problem.responders.values())[0]
assert not response.has_mask()
assert response.has_answerpool()
assert response.unmask_order() == ["choice_3", "choice_5", "choice_1", "choice_4"]
def test_answer_pool_4_choices_1_multiplechoiceresponse_seed2(self):
"""Test answer-pool=4 with one multiplechoiceresponse and a different seed."""
problem = new_loncapa_problem(self.common_question_xml, seed=9)
the_html = problem.get_html()
# [('choice_0', 'wrong-1'), ('choice_4', 'wrong-4'), ('choice_3', 'wrong-3'), ('choice_2', 'correct-1')]
self.assertRegex(the_html, r"<div>.*\[.*'wrong-1'.*'wrong-4'.*'wrong-3'.*'correct-1'.*\].*</div>")
self.assertRegex(the_html, r"<div>\{.*'1_solution_1'.*\}</div>")
# Check about masking
response = list(problem.responders.values())[0]
assert not response.has_mask()
assert hasattr(response, "has_answerpool")
assert response.unmask_order() == ["choice_0", "choice_4", "choice_3", "choice_2"]
def test_no_answer_pool_4_choices_1_multiplechoiceresponse(self):
"""Test behavior when no answer-pool attribute is provided."""
xml_str = textwrap.dedent(
"""
<problem>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true" explanation-id="solution1">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true" explanation-id="solution2">correct-2</choice>
</choicegroup>
</multiplechoiceresponse>
<solutionset>
<solution explanation-id="solution1">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 1st solution</p>
<p>Not much to explain here, sorry!</p>
</div>
</solution>
<solution explanation-id="solution2">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 2nd solution</p>
</div>
</solution>
</solutionset>
</problem>
"""
)
problem = new_loncapa_problem(xml_str)
the_html = problem.get_html()
self.assertRegex(
the_html, r"<div>.*\[.*'wrong-1'.*'wrong-2'.*'correct-1'.*'wrong-3'.*'wrong-4'.*'correct-2'.*\].*</div>"
)
self.assertRegex(the_html, r"<div>\{.*'1_solution_1'.*'1_solution_2'.*\}</div>")
assert the_html == problem.get_html(), "should be able to call get_html() twice"
# Check about masking
response = list(problem.responders.values())[0]
assert not response.has_mask()
assert not response.has_answerpool()
def test_0_answer_pool_4_choices_1_multiplechoiceresponse(self):
"""Test behavior when answer-pool is explicitly set to 0."""
xml_str = textwrap.dedent(
"""
<problem>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="0">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true" explanation-id="solution1">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true" explanation-id="solution2">correct-2</choice>
</choicegroup>
</multiplechoiceresponse>
<solutionset>
<solution explanation-id="solution1">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 1st solution</p>
<p>Not much to explain here, sorry!</p>
</div>
</solution>
<solution explanation-id="solution2">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 2nd solution</p>
</div>
</solution>
</solutionset>
</problem>
"""
)
problem = new_loncapa_problem(xml_str)
the_html = problem.get_html()
self.assertRegex(
the_html, r"<div>.*\[.*'wrong-1'.*'wrong-2'.*'correct-1'.*'wrong-3'.*'wrong-4'.*'correct-2'.*\].*</div>"
)
self.assertRegex(the_html, r"<div>\{.*'1_solution_1'.*'1_solution_2'.*\}</div>")
response = list(problem.responders.values())[0]
assert not response.has_mask()
assert not response.has_answerpool()
def test_invalid_answer_pool_value(self):
"""Ensure error is raised for non-integer answer-pool values."""
xml_str = textwrap.dedent(
"""
<problem>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="2.3">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true" explanation-id="solution1">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true" explanation-id="solution2">correct-2</choice>
</choicegroup>
</multiplechoiceresponse>
<solutionset>
<solution explanation-id="solution1">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 1st solution</p>
<p>Not much to explain here, sorry!</p>
</div>
</solution>
<solution explanation-id="solution2">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 2nd solution</p>
</div>
</solution>
</solutionset>
</problem>
"""
)
with self.assertRaisesRegex(LoncapaProblemError, "answer-pool"):
new_loncapa_problem(xml_str)
def test_invalid_answer_pool_none_correct(self):
"""Ensure error is raised if no correct choice exists in answer-pool."""
xml_str = textwrap.dedent(
"""
<problem>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="4">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="false">wrong!!</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
</choicegroup>
</multiplechoiceresponse>
</problem>
"""
)
with self.assertRaisesRegex(LoncapaProblemError, "1 correct.*1 incorrect"):
new_loncapa_problem(xml_str)
def test_invalid_answer_pool_all_correct(self):
"""Ensure error is raised if all choices are marked correct in answer-pool."""
xml_str = textwrap.dedent(
"""
<problem>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="4">
<choice correct="true">!wrong-1</choice>
<choice correct="true">!wrong-2</choice>
<choice correct="true">!wrong-3</choice>
<choice correct="true">!wrong-4</choice>
</choicegroup>
</multiplechoiceresponse>
</problem>
"""
)
with self.assertRaisesRegex(LoncapaProblemError, "1 correct.*1 incorrect"):
new_loncapa_problem(xml_str)
def test_answer_pool_5_choices_1_multiplechoiceresponse_seed1(self):
"""Test answer-pool=5 with one multiplechoiceresponse and fixed seed."""
xml_str = textwrap.dedent(
"""
<problem>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="5">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true" explanation-id="solution1">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true" explanation-id="solution2">correct-2</choice>
</choicegroup>
</multiplechoiceresponse>
<solutionset>
<solution explanation-id="solution1">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 1st solution</p>
<p>Not much to explain here, sorry!</p>
</div>
</solution>
<solution explanation-id="solution2">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 2nd solution</p>
</div>
</solution>
</solutionset>
</problem>
"""
)
problem = new_loncapa_problem(xml_str, seed=723)
the_html = problem.get_html()
self.assertRegex(the_html, r"<div>.*\[.*'correct-2'.*'wrong-1'.*'wrong-2'.*.*'wrong-3'.*'wrong-4'.*\].*</div>")
self.assertRegex(the_html, r"<div>\{.*'1_solution_2'.*\}</div>")
response = list(problem.responders.values())[0]
assert not response.has_mask()
assert response.unmask_order() == ["choice_5", "choice_0", "choice_1", "choice_3", "choice_4"]
def test_answer_pool_2_multiplechoiceresponses_seed1(self):
"""Test two multiplechoiceresponses with different answer-pools and fixed seed."""
xml_str = textwrap.dedent(
"""
<problem>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="4">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true" explanation-id="solution1">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true" explanation-id="solution2">correct-2</choice>
</choicegroup>
</multiplechoiceresponse>
<solutionset>
<solution explanation-id="solution1">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 1st solution</p>
<p>Not much to explain here, sorry!</p>
</div>
</solution>
<solution explanation-id="solution2">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 2nd solution</p>
</div>
</solution>
</solutionset>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="3">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true" explanation-id="solution1">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true" explanation-id="solution2">correct-2</choice>
</choicegroup>
</multiplechoiceresponse>
<solutionset>
<solution explanation-id="solution1">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 1st solution</p>
<p>Not much to explain here, sorry!</p>
</div>
</solution>
<solution explanation-id="solution2">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 2nd solution</p>
</div>
</solution>
</solutionset>
</problem>
"""
)
problem = new_loncapa_problem(xml_str)
the_html = problem.get_html()
str1 = r"<div>.*\[.*'wrong-3'.*'correct-2'.*'wrong-2'.*'wrong-4'.*\].*</div>"
str2 = r"<div>.*\[.*'wrong-2'.*'wrong-1'.*'correct-2'.*\].*</div>" # rng shared
# str2 = r"<div>.*\[.*'correct-2'.*'wrong-2'.*'wrong-3'.*\].*</div>" # rng independent
str3 = r"<div>\{.*'1_solution_2'.*\}</div>"
str4 = r"<div>\{.*'1_solution_4'.*\}</div>"
self.assertRegex(the_html, str1)
self.assertRegex(the_html, str2)
self.assertRegex(the_html, str3)
self.assertRegex(the_html, str4)
without_new_lines = the_html.replace("\n", "")
self.assertRegex(without_new_lines, str1 + r".*" + str2)
self.assertRegex(without_new_lines, str3 + r".*" + str4)
def test_answer_pool_2_multiplechoiceresponses_seed2(self):
"""Test two multiplechoiceresponses with different answer-pools and second seed."""
xml_str = textwrap.dedent(
"""
<problem>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="3">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true" explanation-id="solution1">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true" explanation-id="solution2">correct-2</choice>
</choicegroup>
</multiplechoiceresponse>
<solutionset>
<solution explanation-id="solution1">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 1st solution</p>
<p>Not much to explain here, sorry!</p>
</div>
</solution>
<solution explanation-id="solution2">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 2nd solution</p>
</div>
</solution>
</solutionset>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="4">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true" explanation-id="solution1">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true" explanation-id="solution2">correct-2</choice>
</choicegroup>
</multiplechoiceresponse>
<solutionset>
<solution explanation-id="solution1">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 1st solution</p>
<p>Not much to explain here, sorry!</p>
</div>
</solution>
<solution explanation-id="solution2">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 2nd solution</p>
</div>
</solution>
</solutionset>
</problem>
"""
)
problem = new_loncapa_problem(xml_str, seed=9)
the_html = problem.get_html()
str1 = r"<div>.*\[.*'wrong-4'.*'wrong-3'.*'correct-1'.*\].*</div>"
str2 = r"<div>.*\[.*'wrong-2'.*'wrong-3'.*'wrong-4'.*'correct-2'.*\].*</div>"
str3 = r"<div>\{.*'1_solution_1'.*\}</div>"
str4 = r"<div>\{.*'1_solution_4'.*\}</div>"
self.assertRegex(the_html, str1)
self.assertRegex(the_html, str2)
self.assertRegex(the_html, str3)
self.assertRegex(the_html, str4)
without_new_lines = the_html.replace("\n", "")
self.assertRegex(without_new_lines, str1 + r".*" + str2)
self.assertRegex(without_new_lines, str3 + r".*" + str4)
def test_answer_pool_random_consistent(self):
"""
The point of this test is to make sure that the exact randomization
per seed does not change.
"""
xml_str = textwrap.dedent(
"""
<problem>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="2">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true">correct-2</choice>
<choice correct="true">correct-3</choice>
</choicegroup>
</multiplechoiceresponse>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="3">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true">correct-2</choice>
<choice correct="true">correct-3</choice>
</choicegroup>
</multiplechoiceresponse>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="2">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true">correct-2</choice>
<choice correct="true">correct-3</choice>
</choicegroup>
</multiplechoiceresponse>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="3">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true">correct-2</choice>
<choice correct="true">correct-3</choice>
</choicegroup>
</multiplechoiceresponse>
</problem>
"""
)
problem = new_loncapa_problem(xml_str)
the_html = problem.get_html()
str1 = (
r"<div>.*\[.*'correct-2'.*'wrong-2'.*\].*</div>.*"
+ r"<div>.*\[.*'wrong-1'.*'correct-2'.*'wrong-4'.*\].*</div>.*"
+ r"<div>.*\[.*'correct-1'.*'wrong-4'.*\].*</div>.*"
+ r"<div>.*\[.*'wrong-1'.*'wrong-2'.*'correct-1'.*\].*</div>"
)
without_new_lines = the_html.replace("\n", "")
self.assertRegex(without_new_lines, str1)
def test_no_answer_pool(self):
"""Test multiplechoiceresponse behavior when answer-pool attribute is missing."""
xml_str = textwrap.dedent(
"""
<problem>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
</choicegroup>
</multiplechoiceresponse>
</problem>
"""
)
problem = new_loncapa_problem(xml_str, seed=723)
the_html = problem.get_html()
str1 = r"<div>.*\[.*'wrong-1'.*'wrong-2'.*'correct-1'.*'wrong-3'.*'wrong-4'.*\].*</div>"
self.assertRegex(the_html, str1)
# attributes *not* present
response = list(problem.responders.values())[0]
assert not response.has_mask()
assert not response.has_answerpool()
def test_answer_pool_and_no_answer_pool(self):
"""Test combination of responses with and without answer-pools."""
xml_str = textwrap.dedent(
"""
<problem>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
</choicegroup>
</multiplechoiceresponse>
<solution>
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the solution</p>
<p>Not much to explain here, sorry!</p>
</div>
</solution>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="4">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true" explanation-id="solution1">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true" explanation-id="solution2">correct-2</choice>
</choicegroup>
</multiplechoiceresponse>
<solutionset>
<solution explanation-id="solution1">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 1st solution</p>
<p>Not much to explain here, sorry!</p>
</div>
</solution>
<solution explanation-id="solution2">
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the 2nd solution</p>
</div>
</solution>
</solutionset>
</problem>
"""
)
problem = new_loncapa_problem(xml_str, seed=723)
the_html = problem.get_html()
str1 = r"<div>.*\[.*'wrong-1'.*'wrong-2'.*'correct-1'.*'wrong-3'.*'wrong-4'.*\].*</div>"
str2 = r"<div>.*\[.*'wrong-3'.*'correct-2'.*'wrong-2'.*'wrong-4'.*\].*</div>"
str3 = r"<div>\{.*'1_solution_1'.*\}</div>"
str4 = r"<div>\{.*'1_solution_3'.*\}</div>"
self.assertRegex(the_html, str1)
self.assertRegex(the_html, str2)
self.assertRegex(the_html, str3)
self.assertRegex(the_html, str4)
without_new_lines = the_html.replace("\n", "")
self.assertRegex(without_new_lines, str1 + r".*" + str2)
self.assertRegex(without_new_lines, str3 + r".*" + str4)
def test_answer_pool_without_solutionset(self):
"""Test answer-pool behavior when no solutionset is provided."""
xml_str = textwrap.dedent(
"""
<problem>
<p>What is the correct answer?</p>
<multiplechoiceresponse>
<choicegroup type="MultipleChoice" answer-pool="4">
<choice correct="false">wrong-1</choice>
<choice correct="false">wrong-2</choice>
<choice correct="true">correct-1</choice>
<choice correct="false">wrong-3</choice>
<choice correct="false">wrong-4</choice>
<choice correct="true">correct-2</choice>
</choicegroup>
</multiplechoiceresponse>
<solution>
<div class="detailed-solution">
<p>Explanation</p>
<p>This is the solution</p>
<p>Not much to explain here, sorry!</p>
</div>
</solution>
</problem>
"""
)
problem = new_loncapa_problem(xml_str, seed=723)
the_html = problem.get_html()
self.assertRegex(the_html, r"<div>.*\[.*'wrong-3'.*'correct-2'.*'wrong-2'.*'wrong-4'.*\].*</div>")
self.assertRegex(the_html, r"<div>\{.*'1_solution_1'.*\}</div>")