make numerical and math expression input accessible

TNL-4973

common/test/acceptance/pages/lms/problem.py

@@ -104,7 +104,7 @@ class ProblemPage(PageObject):
         """
         Fill in the answer to a numerical problem.
         """
-        self.q(css='div.problem section.inputtype input').fill(text)
+        self.q(css='div.problem div.inputtype input').fill(text)
         self.wait_for_element_invisibility('.loading', 'wait for loading icon to disappear')
         self.wait_for_ajax()
 
@@ -138,7 +138,7 @@ class ProblemPage(PageObject):
         """
         wait for status icon
         """
-        self.wait_for_element_visibility('div.problem section.inputtype div .status', 'wait for status icon')
+        self.wait_for_element_visibility('div.problem div.inputtype div .status', 'wait for status icon')
 
     def wait_for_expected_status(self, status_selector, message):
         """
@@ -175,19 +175,19 @@ class ProblemPage(PageObject):
         """
         Is there a "correct" status showing? Works with simple problem types.
         """
-        return self.q(css="div.problem section.inputtype div.correct span.status").is_present()
+        return self.q(css="div.problem div.inputtype div.correct span.status").is_present()
 
     def simpleprob_is_partially_correct(self):
         """
         Is there a "partially correct" status showing? Works with simple problem types.
         """
-        return self.q(css="div.problem section.inputtype div.partially-correct span.status").is_present()
+        return self.q(css="div.problem div.inputtype div.partially-correct span.status").is_present()
 
     def simpleprob_is_incorrect(self):
         """
         Is there an "incorrect" status showing? Works with simple problem types.
         """
-        return self.q(css="div.problem section.inputtype div.incorrect span.status").is_present()
+        return self.q(css="div.problem div.inputtype div.incorrect span.status").is_present()
 
     def click_clarification(self, index=0):
         """

common/test/acceptance/tests/lms/test_lms_problems.py

@@ -561,3 +561,42 @@ class CAPAProblemDropDownA11yTest(CAPAProblemA11yBaseTestMixin, ProblemsTest):
         </problem>
         """)
         return XBlockFixtureDesc('problem', 'Problem A11Y TEST', data=xml)
+
+
+@attr('a11y')
+class ProblemNumericalInputA11yTest(CAPAProblemA11yBaseTestMixin, ProblemsTest):
+    """Tests NumericalInput accessibility."""
+
+    def get_problem(self):
+        """NumericalInput problem XML."""
+        xml = dedent("""
+        <problem>
+            <numericalresponse answer="10*i">
+                <label>The square of what number is -100?</label>
+                <description>Use scientific notation to answer.</description>
+                <formulaequationinput/>
+            </numericalresponse>
+        </problem>""")
+        return XBlockFixtureDesc('problem', 'NUMERICALINPUT PROBLEM', data=xml)
+
+
+@attr('a11y')
+class ProblemMathExpressionInputA11yTest(CAPAProblemA11yBaseTestMixin, ProblemsTest):
+    """Tests MathExpressionInput accessibility."""
+
+    def get_problem(self):
+        """MathExpressionInput problem XML."""
+        xml = dedent(r"""
+        <problem>
+            <script type="loncapa/python">
+        derivative = "n*x^(n-1)"
+            </script>
+
+            <formularesponse type="ci" samples="x,n@1,2:3,4#10" answer="$derivative">
+                <label>Let \( x\) be a variable, and let \( n\) be an arbitrary constant. What is the derivative of \( x^n\)?</label>
+                <description>Enter the equation</description>
+                <responseparam type="tolerance" default="0.00001"/>
+                <formulaequationinput size="40"/>
+            </formularesponse>
+        </problem>""")
+        return XBlockFixtureDesc('problem', 'MATHEXPRESSIONINPUT PROBLEM', data=xml)

common/test/acceptance/tests/lms/test_problem_types.py

@@ -535,12 +535,6 @@ class NumericalProblemTypeTest(ProblemTypeTestBase, ProblemTypeTestMixin):
         Additional setup for NumericalProblemTypeTest
         """
         super(NumericalProblemTypeTest, self).setUp(*args, **kwargs)
-        self.problem_page.a11y_audit.config.set_rules({
-            'ignore': [
-                'section',  # TODO: AC-491
-                'label',  # TODO: AC-289
-            ]
-        })
 
     def answer_problem(self, correct):
         """
@@ -579,12 +573,6 @@ class FormulaProblemTypeTest(ProblemTypeTestBase, ProblemTypeTestMixin):
         Additional setup for FormulaProblemTypeTest
         """
         super(FormulaProblemTypeTest, self).setUp(*args, **kwargs)
-        self.problem_page.a11y_audit.config.set_rules({
-            'ignore': [
-                'section',  # TODO: AC-491
-                'label',  # TODO: AC-288
-            ]
-        })
 
     def answer_problem(self, correct):
         """