def test_expression_when_episode_does_not_exist(self):
context = EvaluationContext({"domain": self.domain})
expression = ExpressionFactory.from_spec({
"type": "enikshay_episode_from_person",
"person_id_expression": "some_random_id",
})
self.assertEqual(expression({}, context), None)
def indexed_case_expression(spec, context):
wrapped = IndexedCaseExpressionSpec.wrap(spec)
wrapped.configure(
ExpressionFactory.from_spec(wrapped.case_expression, context),
context
)
return wrapped
def _build_choice_list_indicator(spec, context):
wrapped_spec = ChoiceListIndicatorSpec.wrap(spec)
base_display_name = wrapped_spec.display_name
def _construct_display(choice):
return '{base} ({choice})'.format(base=base_display_name,
choice=choice)
def _construct_column(choice):
return '{col}_{choice}'.format(col=spec['column_id'], choice=choice)
choice_indicators = [
BooleanIndicator(
display_name=_construct_display(choice),
column_id=_construct_column(choice),
filter=SinglePropertyValueFilter(
expression=wrapped_spec.getter,
operator=wrapped_spec.get_operator(),
reference_expression=ExpressionFactory.from_spec(choice),
),
wrapped_spec=None,
) for choice in spec['choices']
]
return CompoundIndicator(base_display_name, choice_indicators,
wrapped_spec)
def test_expression_when_episode_exists(self):
context = EvaluationContext({"domain": self.domain})
expression = ExpressionFactory.from_spec({
"type": "enikshay_episode_from_person",
"person_id_expression": self.person_id,
})
self.assertEqual(expression({}, context), self.cases[self.episode_id].to_json())
def test_expression_when_referral_pass_filters(self):
referral_1_case_id = uuid.uuid4().hex
referral = self.create_referral_case(referral_1_case_id)[0]
context = EvaluationContext({"domain": self.domain})
expression = ExpressionFactory.from_spec({
"type": "enikshay_most_recent_referral_from_person",
"person_id_expression": self.person_id,
})
self.assertEqual(expression({}, context), referral.to_json())
def referral_test_expression(spec, context):
"""
Factory function for ReferralTestExpression
"""
wrapped = ReferralTestExpression.wrap(spec)
wrapped.configure(
ExpressionFactory.from_spec(wrapped.person_id_expression, context)
)
return wrapped
def get_expression(self, column_id, column_type):
column = self.get_column(column_id)
if column['type'] == 'boolean':
return FilterFactory.from_spec(column['filter'],
context=FactoryContext(
self.named_expressions, {}))
else:
self.assertEqual(column['datatype'], column_type)
return ExpressionFactory.from_spec(column['expression'],
context=FactoryContext(
self.named_expressions, {}))
def test_expression_when_referral_does_not_pass_filters(self):
referral_2_case_id = uuid.uuid4().hex
self.create_referral_case(referral_2_case_id)
self.update_referral(referral_2_case_id, {
"referral_closed_reason": "duplicate_referral_reconciliation",
})
context = EvaluationContext({"domain": self.domain})
expression = ExpressionFactory.from_spec({
"type": "enikshay_most_recent_referral_from_person",
"person_id_expression": self.person_id,
})
self.assertEqual(expression({}, context), None)
def get_expression(self, column_id, column_type):
column = self.get_column(column_id)
if column['type'] == 'boolean':
return FilterFactory.from_spec(
column['filter'],
context=FactoryContext(self.named_expressions, {})
)
else:
self.assertEqual(column['datatype'], column_type)
return ExpressionFactory.from_spec(
column['expression'],
context=FactoryContext(self.named_expressions, {})
)
def configure(self, case_expression, context):
self._case_expression = case_expression
index = self.index or 'parent'
spec = {
'type': 'related_doc',
'related_doc_type': 'CommCareCase',
'doc_id_expression': {
'type': 'nested',
'argument_expression': self.case_expression,
'value_expression': {
'type': 'nested',
'argument_expression': {
'type': 'array_index',
'array_expression': {
'type': 'filter_items',
'items_expression': {
'datatype': 'array',
'type': 'property_name',
'property_name': 'indices'
},
'filter_expression': {
'type': 'boolean_expression',
'operator': 'eq',
'property_value': index,
'expression': {
'type': 'property_name',
'property_name': 'identifier'
}
}
},
'index_expression': {
'type': 'constant',
'constant': 0
}
},
'value_expression': {
'type': 'property_name',
'property_name': 'referenced_id'
}
}
},
'value_expression': {
'type': 'identity'
}
}
self._expression = ExpressionFactory.from_spec(spec, context)
def configure(self, case_expression, context):
self._case_expression = case_expression
index = self.index or 'parent'
spec = {
'type': 'related_doc',
'related_doc_type': 'CommCareCase',
'doc_id_expression': {
'type': 'nested',
'argument_expression': self.case_expression,
'value_expression': {
'type': 'nested',
'argument_expression': {
'type': 'array_index',
'array_expression': {
'type': 'filter_items',
'items_expression': {
'datatype': 'array',
'type': 'property_name',
'property_name': 'indices'
},
'filter_expression': {
'type': 'boolean_expression',
'operator': 'eq',
'property_value': index,
'expression': {
'type': 'property_name',
'property_name': 'identifier'
}
}
},
'index_expression': {
'type': 'constant',
'constant': 0
}
},
'value_expression': {
'type': 'property_name',
'property_name': 'referenced_id'
}
}
},
'value_expression': {
'type': 'identity'
}
}
self._expression = ExpressionFactory.from_spec(spec, context)
def _build_choice_list_indicator(spec, context):
wrapped_spec = ChoiceListIndicatorSpec.wrap(spec)
base_display_name = wrapped_spec.display_name
def _construct_display(choice):
return '{base} ({choice})'.format(base=base_display_name, choice=choice)
def _construct_column(choice):
return '{col}_{choice}'.format(col=spec['column_id'], choice=choice)
choice_indicators = [
BooleanIndicator(
display_name=_construct_display(choice),
column_id=_construct_column(choice),
filter=SinglePropertyValueFilter(
expression=wrapped_spec.getter,
operator=wrapped_spec.get_operator(),
reference_expression=ExpressionFactory.from_spec(choice),
)
) for choice in spec['choices']
]
return CompoundIndicator(base_display_name, choice_indicators)
def evaluate_expression(request, domain):
doc_type = request.POST['doc_type']
doc_id = request.POST['doc_id']
try:
usable_type = {
'form': 'XFormInstance',
'case': 'CommCareCase',
}.get(doc_type, 'Unknown')
document_store = get_document_store(domain, usable_type)
doc = document_store.get_document(doc_id)
expression_text = request.POST['expression']
expression_json = json.loads(expression_text)
parsed_expression = ExpressionFactory.from_spec(expression_json)
result = parsed_expression(doc, EvaluationContext(doc))
return json_response({
"result": result,
})
except DocumentNotFoundError:
return json_response(
{
"error":
_("{} with id {} not found in domain {}.").format(
doc_type, doc_id, domain)
},
status_code=404,
)
except BadSpecError as e:
return json_response(
{"error": _("Problem with expression: {}.").format(e)},
status_code=400,
)
except Exception as e:
return json_response(
{"error": unicode(e)},
status_code=500,
)
def wrapped_expression(self):
return ExpressionFactory.from_spec(self.expression)
def get_expressions_from_base_item_expression(self):
return ExpressionFactory.from_spec(
self.base_item_expression,
context=FactoryContext(self.base_item_expression, {})
)
def get_expressions_from_base_item_expression(self):
return ExpressionFactory.from_spec(
self.base_item_expression,
context=FactoryContext(self.base_item_expression, {})
)
def wrapped_expression(self):
return ExpressionFactory.from_spec(self.expression)
