def test_policy_math(self, mock_points_earned_trials_count,
mock_points_earned_get_points_earned_trials_count,
GradingPolicyCls, params, trials_count, points_earned,
sequence, er):
mock_points_earned_get_points_earned_trials_count.return_value = trials_count, points_earned
mock_points_earned_trials_count.return_value = trials_count, points_earned
POLICY_CLS_TO_NAME = {
v: k
for k, v in GRADING_POLICY_NAME_TO_CLS.items()
}
policy = GradingPolicy.objects.filter(
name=POLICY_CLS_TO_NAME[GradingPolicyCls]).first()
self.assertIsNotNone(policy)
policy.params = params
# pass sequence = None - this is a stub to not create a lot of objects in DB and test only math here
if er and type(er) == type and issubclass(er, Exception):
with pytest.raises(er):
GradingPolicyCls(sequence=sequence, policy=policy)._calculate()
else:
grade = GradingPolicyCls(sequence=sequence,
policy=policy)._calculate()
self.assertEqual(grade, er)
self.assertIsInstance(grade, (float, int))
class CollectionOrderForm(ModelForm):
"""
Add collection in group form.
"""
grading_policy_name = forms.ChoiceField(
choices=((k, v) for k, v in GRADING_POLICY_NAME_TO_CLS.items()),
required=True,
widget=PolicyChoiceWidget)
class Meta:
"""
Inner class with metadata options for CollectionOrderForm.
"""
model = CollectionOrder
fields = ('collection', 'slug', 'engine', 'grading_policy_name',
'strict_forward', 'ui_option', 'ui_next')
labels = {
'ui_option': _('UI Option'),
'ui_next': _('Additional NEXT Button')
}
help_texts = {
'collection':
_("You can choose the available collection or create a new Collection above."
)
}
def __init__(self, *args, **kwargs):
self.user = kwargs.pop('user')
self.group = kwargs.pop('group')
read_only = kwargs.pop('read_only') if 'read_only' in kwargs else False
super().__init__(*args, **kwargs)
self.fields['collection'].queryset = self.fields[
'collection'].queryset.filter(owner_id=self.user.id)
if read_only:
self.fields['collection'].widget = HiddenInput()
self.fields['collection'].widget.attrs['readonly'] = read_only
def clean(self):
super().clean()
engine, policy = self.cleaned_data.get(
'engine'), self.cleaned_data.get('grading_policy_name')
engine_cls = engine.engine_driver
policy_cls = GRADING_POLICY_NAME_TO_CLS.get(policy)
if policy_cls is None:
raise forms.ValidationError(
{'grading_policy_name': ['Not correct policy']})
required_engine = policy_cls.require.get('engine')
if required_engine and not isinstance(engine_cls, required_engine):
engine_err_msg = 'This Engine doesn\'t support chosen Policy. Please choose another policy or engine.'
policy_err_msg = 'This policy can be used only with {} engine(s). Choose another policy or engine.'.format(
", ".join([
engine.__name__.strip('Engine')
for engine in required_engine
]))
raise forms.ValidationError({
'engine': [engine_err_msg],
'grading_policy_name': [policy_err_msg]
})
return self.cleaned_data
def save(self, **kwargs):
self.instance.group = self.group
self.instance.collection = self.cleaned_data['collection']
self.instance.engine = self.cleaned_data['engine']
self.instance.grading_policy = self.cleaned_data['grading_policy']
self.instance.save()