def _build_boolean_expression_filter(spec, context):
wrapped = BooleanExpressionFilterSpec.wrap(spec)
return SinglePropertyValueFilter(
expression=ExpressionFactory.from_spec(wrapped.expression, context),
operator=get_operator(wrapped.operator),
reference_expression=ExpressionFactory.from_spec(wrapped.property_value, context),
)
def test_property_path_empty_path(self):
for empty_path in ([], None):
with self.assertRaises(BadSpecError):
ExpressionFactory.from_spec({
'type': 'property_path',
'property_path': empty_path,
})
def setUp(self):
# we have to set the fake database before any other calls
self.orig_db = CommCareCase.get_db()
self.database = FakeCouchDb()
CommCareCase.set_db(self.database)
self.spec = {
"type": "related_doc",
"related_doc_type": "CommCareCase",
"doc_id_expression": {"type": "property_name", "property_name": "parent_id"},
"value_expression": {"type": "property_name", "property_name": "related_property"},
}
self.expression = ExpressionFactory.from_spec(self.spec)
self.nested_expression = ExpressionFactory.from_spec(
{
"type": "related_doc",
"related_doc_type": "CommCareCase",
"doc_id_expression": {"type": "property_name", "property_name": "parent_id"},
"value_expression": {
"type": "related_doc",
"related_doc_type": "CommCareCase",
"doc_id_expression": {"type": "property_name", "property_name": "parent_id"},
"value_expression": {"type": "property_name", "property_name": "related_property"},
},
}
)
def test_diff_days_expression(self, source_doc, to_date_expression, expected_value):
from_date_expression = {
'type': 'property_name',
'property_name': 'dob',
}
expression = ExpressionFactory.from_spec({
'type': 'diff_days',
'from_date_expression': from_date_expression,
'to_date_expression': to_date_expression
})
self.assertEqual(expected_value, expression(source_doc))
# test named_expression for 'from_date_expression'
context = FactoryContext(
{"from_date_name": ExpressionFactory.from_spec(from_date_expression)},
{}
)
named_expression = ExpressionFactory.from_spec({
'type': 'diff_days',
'from_date_expression': {
"type": "named",
"name": "from_date_name"
},
'to_date_expression': to_date_expression
}, context)
self.assertEqual(expected_value, named_expression(source_doc))
def test_invalid_eval_expression(self, source_doc, statement, context):
with self.assertRaises(BadSpecError):
ExpressionFactory.from_spec({
"type": "evaluator",
"statement": statement,
"context_variables": context
})
def diff_calendar_months(spec, context):
wrapped = DiffCalendarMonthsExpressionSpec.wrap(spec)
wrapped.configure(
from_date_expression=ExpressionFactory.from_spec(wrapped.from_date_expression, context),
to_date_expression=ExpressionFactory.from_spec(wrapped.to_date_expression, context),
)
return wrapped
def ancestor_location(spec, context):
wrapped = AncestorLocationExpression.wrap(spec)
wrapped.configure(
ExpressionFactory.from_spec(wrapped.location_id, context),
ExpressionFactory.from_spec(wrapped.location_type, context),
)
return wrapped
def test_non_string_keys(self):
with self.assertRaises(BadSpecError):
ExpressionFactory.from_spec({
"type": "dict",
"properties": {
(1, 2): 2
},
})
def test_fail_on_bad_doc_type(self):
spec = {
"type": "related_doc",
"related_doc_type": "BadDocument",
"doc_id_expression": {"type": "property_name", "property_name": "parent_id"},
"value_expression": {"type": "property_name", "property_name": "related_property"},
}
with self.assertRaises(BadSpecError):
ExpressionFactory.from_spec(spec)
def test_datatype(self):
spec = {
"type": "evaluator",
"statement": '1.0 + a',
"context_variables": {'a': 1.0}
}
self.assertEqual(type(ExpressionFactory.from_spec(spec)({})), float)
spec['datatype'] = 'integer'
self.assertEqual(type(ExpressionFactory.from_spec(spec)({})), int)
def test_bad_order_raises_badspec(self):
expression = {
'type': 'sort_items',
'items_expression': [1, 6, 2, 3],
'sort_expression': {'type': 'identity'},
'order': 'complex'
}
with self.assertRaises(BadSpecError):
ExpressionFactory.from_spec(expression)
def get_case_history(spec, context):
wrapped = GetCaseHistorySpec.wrap(spec)
wrapped.configure(
case_id_expression=ExpressionFactory.from_spec(wrapped.case_id_expression, context),
case_forms_expression=ExpressionFactory.from_spec({
'type': 'get_case_forms',
'case_id_expression': wrapped.case_id_expression
}, context)
)
return wrapped
def test_reduce_items_bad_spec(self, items_ex, reduce_ex):
expression = {
'type': 'reduce_items',
}
if items_ex is not None:
expression['items_expression'] = items_ex
if reduce_ex is not None:
expression['aggregation_fn'] = reduce_ex
with self.assertRaises(BadSpecError):
ExpressionFactory.from_spec(expression)(items_ex, reduce_ex)
def test_filter_items_bad_spec(self, items_ex, filter_ex):
expression = {
'type': 'filter_items',
}
if items_ex is not None:
expression['items_expression'] = items_ex
if filter_ex is not None:
expression['filter_expression'] = filter_ex
with self.assertRaises(BadSpecError):
ExpressionFactory.from_spec(expression)
def test_sort_items_bad_spec(self, items_ex, sort_ex):
expression = {
'type': 'sort_items',
}
if items_ex is not None:
expression['items_expression'] = items_ex
if sort_ex is not None:
expression['sort_expression'] = sort_ex
with self.assertRaises(BadSpecError):
ExpressionFactory.from_spec(expression)(items_ex, sort_ex)
def test_name_in_value(self):
expression = ExpressionFactory.from_spec(
{
"type": "nested",
"argument_expression": {
"type": "identity",
},
"value_expression": {
"type": "named",
"name": "three"
}
},
context=FactoryContext({'three': ExpressionFactory.from_spec(3)}, {})
)
self.assertEqual(3, expression({}))
def test_property_path_expression(self):
getter = ExpressionFactory.from_spec({
'type': 'property_path',
'property_path': ['path', 'to', 'foo'],
})
self.assertEqual(PropertyPathGetterSpec, type(getter))
self.assertEqual(['path', 'to', 'foo'], getter.property_path)
def test_filter(self):
expression = ExpressionFactory.from_spec({
"type": "reduce_items",
"aggregation_fn": "count",
"items_expression": {
"type": "ext_get_case_history_by_date",
"case_id_expression": {
"type": "constant",
"constant": self.test_case_id
},
"filter": {
"type": "boolean_expression",
"operator": "eq",
"expression": {
"type": "property_path",
"property_path": ["update", "foo"]
},
"property_value": "a"
}
}
})
self.assertEqual(
2,
expression(
{"some_item": "item_value"},
context=EvaluationContext({"domain": self.domain}, 0),
)
)
def test_property_name_expression(self):
getter = ExpressionFactory.from_spec({
'type': 'property_name',
'property_name': 'foo',
})
self.assertEqual(PropertyNameGetterSpec, type(getter))
self.assertEqual('foo', getter.property_name)
def test_end(self):
context = EvaluationContext(
{"domain": self.domain, "end_date": "2015-02-28"},
0)
expression = ExpressionFactory.from_spec({
"type": "reduce_items",
"aggregation_fn": "count",
"items_expression": {
"type": "ext_get_case_history_by_date",
"case_id_expression": {
"type": "constant",
"constant": self.test_case_id
},
"end_date": {
"type": "ext_root_property_name",
"property_name": "end_date",
"datatype": "date",
},
}
})
self.assertEqual(
5,
expression(
{"some_item": "item_value"},
context=context,
)
)
def parent_id(spec, context):
spec = {
'type': 'nested',
'argument_expression': {
'type': 'array_index',
'array_expression': {
'type': 'filter_items',
'items_expression': {
'type': 'ext_root_property_name',
'property_name': 'indices',
'datatype': 'array',
},
'filter_expression': {
'type': 'boolean_expression',
'operator': 'eq',
'property_value': 'parent',
'expression': {
'type': 'property_name',
'property_name': 'identifier'
}
}
},
'index_expression': {
'type': 'constant',
'constant': 0
}
},
'value_expression': {
'type': 'property_name',
'property_name': 'referenced_id'
}
}
return ExpressionFactory.from_spec(spec, context)
def test_reduce_items_basic(self, doc, items_ex, reduce_ex, expected):
expression = ExpressionFactory.from_spec({
'type': 'reduce_items',
'items_expression': items_ex,
'aggregation_fn': reduce_ex
})
self.assertEqual(expression(doc), expected)
def setUp(self):
# this expression is the equivalent to:
# doc.true_value if doc.test == 'match' else doc.false_value
spec = {
'type': 'conditional',
'test': {
# any valid filter can go here
'type': 'boolean_expression',
'expression': {
'type': 'property_name',
'property_name': 'test',
},
'operator': 'eq',
'property_value': 'match',
},
'expression_if_true': {
'type': 'property_name',
'property_name': 'true_value',
},
'expression_if_false': {
'type': 'property_name',
'property_name': 'false_value',
},
}
self.expression = ExpressionFactory.from_spec(spec)
def test_datatype(self):
for expected, datatype, original in [
(5, "integer", "5"),
(5, "integer", "5.3"),
(None, "integer", "five"),
(Decimal(5), "decimal", "5"),
(Decimal("5.3"), "decimal", "5.3"),
("5", "string", "5"),
("5", "string", 5),
(u"fo\u00E9", "string", u"fo\u00E9"),
(date(2015, 9, 30), "date", "2015-09-30"),
(None, "date", "09/30/2015"),
(datetime(2015, 9, 30, 19, 4, 27), "datetime", "2015-09-30T19:04:27Z"),
(datetime(2015, 9, 30, 19, 4, 27, 113609), "datetime", "2015-09-30T19:04:27.113609Z"),
(None, "datetime", "2015-09-30 19:04:27Z"),
(date(2015, 9, 30), "date", "2015-09-30T19:04:27Z"),
(date(2015, 9, 30), "date", datetime(2015, 9, 30)),
(None, "datetime", "2015-09-30"),
]:
getter = ExpressionFactory.from_spec({
'type': 'property_name',
'property_name': 'foo',
'datatype': datatype
})
self.assertEqual(expected, getter({'foo': original}))
def test_filtered_child_cases(self):
context = EvaluationContext({"domain": self.domain}, 0)
expression = ExpressionFactory.from_spec({
"type": "reduce_items",
"aggregation_fn": "count",
"items_expression": {
"type": "filter_items",
"filter_expression": {
"type": "boolean_expression",
"operator": "eq",
"expression": {
"type": "property_name",
"property_name": "type"
},
"property_value": "child_1"
},
"items_expression": {
"type": "icds_get_child_cases",
"case_id_expression": {
"type": "constant",
"constant": self.test_case_id
}
}
}
})
self.assertEqual(1, expression({"some_field", "some_value"}, context))
def setUpClass(cls):
cls.domain_name = "test-domain"
cls.domain_obj = create_domain(cls.domain_name)
cls.location_type = LocationType(
domain=cls.domain_name,
name="state",
code="state",
)
cls.location_type.save()
cls.location = SQLLocation(
domain="test-domain",
name="Braavos",
location_type=cls.location_type
)
cls.location.save()
cls.unique_id = cls.location.location_id
cls.spec = {
"type": "location_type_name",
"location_id_expression": {
"type": "property_name",
"property_name": "_id"
}
}
cls.expression = ExpressionFactory.from_spec(cls.spec)
def test_parent_case_id(self):
expression = ExpressionFactory.from_spec({
"type": "nested",
"argument_expression": {
"type": "array_index",
"array_expression": {
"type": "property_name",
"property_name": "indices"
},
"index_expression": {
"type": "constant",
"constant": 0
}
},
"value_expression": {
"type": "property_name",
"property_name": "referenced_id"
}
})
self.assertEqual(
'my_parent_id',
expression({
"indices": [
{
"doc_type": "CommCareCaseIndex",
"identifier": "parent",
"referenced_type": "pregnancy",
"referenced_id": "my_parent_id"
}
],
})
)
def test_filter_items_basic(self, doc, items_ex, filter_ex, expected):
expression = ExpressionFactory.from_spec({
'type': 'filter_items',
'items_expression': items_ex,
'filter_expression': filter_ex
})
self.assertEqual(expression(doc), expected)
def test_latest_property(self):
doc = {
"forms": [
{"received_on": datetime.date(2015, 4, 5), "weight": 21},
{"received_on": datetime.date(2015, 1, 5), "weight": 18},
{"received_on": datetime.date(2015, 3, 5), "weight": 20},
]
}
# nested(weight) <- reduce(last_item) <- sort(by received_on) <- forms
expression = ExpressionFactory.from_spec({
"type": "nested",
"argument_expression": {
"type": "reduce_items",
"items_expression": {
"type": "sort_items",
"items_expression": {"type": "property_name", "property_name": "forms"},
"sort_expression": {"type": "property_name", "property_name": "received_on"}
},
"aggregation_fn": "last_item"
},
"value_expression": {
"type": "property_name",
"property_name": "weight"
}
})
self.assertEqual(expression(doc), doc["forms"][0]["weight"])
def test_sort_items_basic(self, doc, items_ex, sort_ex, expected):
expression = ExpressionFactory.from_spec({
'type': 'sort_items',
'items_expression': items_ex,
'sort_expression': sort_ex
})
self.assertEqual(expression(doc), expected)
def test_descending_order(self):
expression = {
'type': 'sort_items',
'items_expression': [1, 6, 2, 3],
'sort_expression': {
'type': 'identity'
},
'order': 'DESC'
}
self.assertEqual(
ExpressionFactory.from_spec(expression)({}), [6, 3, 2, 1])
def test_not_closed(self):
expression = ExpressionFactory.from_spec({
"type":
"ext_iterate_from_opened_date",
})
self.assertEqual([0, 1, 2, 3, 4, 5, 6, 7, 8],
expression({
"opened_on": "2015-06-03T01:10:15.241903Z",
"modified_on": "2015-11-10T01:10:15.241903Z",
"closed": False
}))
def child_age_in_months_month_end(spec, context):
spec = {
'type': 'evaluator',
'statement': 'age_in_days / 30.4',
'context_variables': {
'age_in_days': {
'type': 'icds_child_age_in_days'
}
}
}
return ExpressionFactory.from_spec(spec, context)
def test_literals(self):
spec = copy.copy(self.spec)
spec['expression_if_true'] = 'true literal'
spec['expression_if_false'] = 'false literal'
expression_with_literals = ExpressionFactory.from_spec(spec)
self.assertEqual('true literal', expression_with_literals({
'test': 'match',
}))
self.assertEqual('false literal', expression_with_literals({
'test': 'non-match',
}))
def test_location_dne(self):
context = EvaluationContext({'domain': self.domain})
expression = ExpressionFactory.from_spec(
{
'type': 'ancestor_location',
'location_id': "gibberish",
'location_type': "kingdom",
}, context)
ancestor_location = expression({}, context)
self.assertIsNone(ancestor_location)
def test_caching(self):
self.test_simple_lookup()
my_doc = self.database.get('my-id')
self.database.mock_docs.clear()
self.assertEqual({}, self.database.mock_docs)
self.assertEqual('foo', self.expression(my_doc, EvaluationContext(my_doc, 0)))
same_expression = ExpressionFactory.from_spec(self.spec)
self.assertEqual('foo', same_expression(my_doc, EvaluationContext(my_doc, 0)))
def root_property_name(spec, context):
RootPropertyNameSpec.wrap(spec)
spec = {
'type': 'root_doc',
'expression': {
'type': 'property_name',
'property_name': spec['property_name'],
'datatype': spec['datatype']
}
}
return ExpressionFactory.from_spec(spec, context)
def setUpClass(cls):
super(TestLocationParentIdExpression, cls).setUpClass()
cls.evaluation_context = EvaluationContext({"domain": cls.domain})
cls.expression_spec = {
"type": "location_parent_id",
"location_id_expression": {
"type": "property_name",
"property_name": "location_id",
}
}
cls.expression = ExpressionFactory.from_spec(cls.expression_spec)
def test_reach_village_owner_id(self, case):
expression = ExpressionFactory.from_spec({
"type": "icds_village_owner_id",
"case_id_expression": {
"type": "property_name",
"property_name": "case_id",
},
})
context = EvaluationContext({"domain": self.domain_name}, 0)
self.assertEqual(self.village_owner_id,
expression(getattr(self, case).to_json(), context))
def parsed_expression(self, context):
from corehq.apps.userreports.expressions.factory import ExpressionFactory
expression = ExpressionFactory.from_spec(self.expression, context)
datatype_transform = transform_from_datatype(self.datatype)
if self.transform:
generic_transform = TransformFactory.get_transform(
self.transform).get_transform_function()
inner_getter = TransformedGetter(expression, generic_transform)
else:
inner_getter = expression
return TransformedGetter(inner_getter, datatype_transform)
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_ethiopian_to_gregorian_expression_constant(self, expression,
expected_value):
"""
Used to fail with BadValueError: datetime.date(2020, 9, 9) is not a date-formatted string
"""
wrapped_expression = ExpressionFactory.from_spec({
'type':
'ethiopian_date_to_gregorian_date',
'date_expression':
expression,
})
self.assertEqual(expected_value, wrapped_expression({"foo": "bar"}))
def get_last_form_repeat(spec, context):
GetLastFormRepeatSpec.wrap(spec)
if spec['case_id_expression'] is None:
case_id_expression = {
"type": "root_doc",
"expression": {
"type": "property_name",
"property_name": "_id"
}
}
else:
case_id_expression = spec['case_id_expression']
repeat_filters = []
repeat_filters.append({
'type': 'boolean_expression',
'operator': 'eq',
'expression': {
'type': 'property_path',
'property_path': spec['case_id_path']
},
'property_value': case_id_expression
})
if spec['repeat_filter'] is not None:
repeat_filters.append(spec['repeat_filter'])
spec = {
'type': 'reduce_items',
'aggregation_fn': 'last_item',
'items_expression': {
'type': 'filter_items',
'filter_expression': {
'type': 'and',
'filters': repeat_filters
},
'items_expression': {
'type': 'nested',
'argument_expression': {
'type': 'reduce_items',
'aggregation_fn': 'last_item',
'items_expression': spec['forms_expression']
},
'value_expression': {
'type': 'property_path',
'datatype': 'array',
'property_path': spec['repeat_path']
},
}
}
}
return ExpressionFactory.from_spec(spec, context)
def setUp(self):
self.expression_spec = {
"type": "dict",
"properties": {
"name": "the_name",
"value": {
"type": "property_name",
"property_name": "prop"
}
}
}
self.expression = ExpressionFactory.from_spec(self.expression_spec)
def test_property_path_bad_type(self):
getter = ExpressionFactory.from_spec({
'type': 'property_path',
'property_path': ['path', 'to', 'foo'],
})
self.assertEqual(PropertyPathGetterSpec, type(getter))
for bad_value in [None, '', []]:
self.assertEqual(None, getter({
'path': {
'to': bad_value
}
}))
def location_parent_id(spec, context):
LocationParentIdSpec.wrap(spec) # this is just for validation
spec = {
"type": "related_doc",
"related_doc_type": "Location",
"doc_id_expression": spec['location_id_expression'],
"value_expression": {
"type": "property_name",
"property_name": "parent_location_id",
}
}
return ExpressionFactory.from_spec(spec, context)
def test_no_datatype(self):
expression = ExpressionFactory.from_spec({
"type": "ext_root_property_name",
"property_name": "foo",
})
self.assertEqual(
"foo_value",
expression(
{"some_item": "item_value"},
context=EvaluationContext({"foo": "foo_value"}, 0)
)
)
def setUp(self):
super(TestGetSubcasesExpression, self).setUp()
self.domain = uuid.uuid4().hex
self.factory = CaseFactory(domain=self.domain)
self.expression = ExpressionFactory.from_spec({
"type": "get_subcases",
"case_id_expression": {
"type": "property_name",
"property_name": "_id"
},
})
self.context = EvaluationContext({"domain": self.domain})
def setUp(self):
super(TestGetReportingGroupsExpression, self).setUp()
self.domain = uuid.uuid4().hex
self.second_domain = uuid.uuid4().hex
self.expression = ExpressionFactory.from_spec({
"type": "get_reporting_groups",
"user_id_expression": {
"type": "property_name",
"property_name": "user_id"
},
})
self.context = EvaluationContext({"domain": self.domain})
def _build_property_match_filter(spec, context):
warnings.warn(
"property_match are deprecated. Use boolean_expression instead.",
DeprecationWarning,
)
wrapped = PropertyMatchFilterSpec.wrap(spec)
return SinglePropertyValueFilter(
expression=wrapped.getter,
operator=equal,
reference_expression=ExpressionFactory.from_spec(
wrapped.property_value),
)
def _make_expression(self, from_statement=None, to_statement=None, xmlns=None, count=False):
spec = {
"type": "icds_get_case_forms_in_date",
"case_id_expression": {
"type": "property_name",
"property_name": "_id"
},
}
if from_statement:
spec["from_date_expression"] = {
"type": "add_months",
"datatype": "datetime",
"date_expression": {
"type": "property_name",
"property_name": "server_modified_on"
},
"months_expression": {
"type": "evaluator",
"statement": from_statement,
"context_variables": {
"iteration": {
"type": "base_iteration_number"
}
}
},
}
if to_statement:
spec["to_date_expression"] = {
"type": "add_months",
"datatype": "datetime",
"date_expression": {
"type": "property_name",
"property_name": "server_modified_on"
},
"months_expression": {
"type": "evaluator",
"statement": to_statement,
"context_variables": {
"iteration": {
"type": "base_iteration_number"
}
}
},
}
if xmlns:
spec['xmlns'] = [xmlns]
spec['count'] = count
return ExpressionFactory.from_spec(spec)
def test_gregorian_to_ethiopian_expression(self, source_doc, expected_value):
date_expression = {
'type': 'property_name',
'property_name': 'dob',
}
expression = ExpressionFactory.from_spec({
'type':
'gregorian_date_to_ethiopian_date',
'date_expression':
date_expression,
})
self.assertEqual(expected_value, expression(source_doc))
def setUp(self):
# we have to set the fake database before any other calls
self.orig_db = CommCareCase.get_db()
self.database = FakeCouchDb()
CommCareCase.set_db(self.database)
self.spec = {
"type": "related_doc",
"related_doc_type": "CommCareCase",
"doc_id_expression": {
"type": "property_name",
"property_name": "parent_id"
},
"value_expression": {
"type": "property_name",
"property_name": "related_property"
}
}
self.expression = ExpressionFactory.from_spec(self.spec)
self.nested_expression = ExpressionFactory.from_spec({
"type":
"related_doc",
"related_doc_type":
"CommCareCase",
"doc_id_expression": {
"type": "property_name",
"property_name": "parent_id"
},
"value_expression": {
"type": "related_doc",
"related_doc_type": "CommCareCase",
"doc_id_expression": {
"type": "property_name",
"property_name": "parent_id"
},
"value_expression": {
"type": "property_name",
"property_name": "related_property"
}
}
})
def test_ancestor_location_exists(self):
context = EvaluationContext({})
expression = ExpressionFactory.from_spec(
{
'type': 'ancestor_location',
'location_id': self.city.location_id,
'location_type': "continent",
}, context)
ancestor_location = expression({}, context)
self.assertIsNotNone(ancestor_location)
self.assertEqual(ancestor_location.get("location_id"),
self.continent.location_id)
def setUp(self):
self.spec = {
'type': 'coalesce',
'expression': {
'type': 'property_name',
'property_name': 'expression'
},
'default_expression': {
'type': 'property_name',
'property_name': 'default_expression'
},
}
self.expression = ExpressionFactory.from_spec(self.spec)
def test_add_hours_to_datetime_expression(self, source_doc, count_expression,
expected_value):
expression = ExpressionFactory.from_spec({
'type':
'add_hours',
'date_expression': {
'type': 'property_name',
'property_name': 'visit_date',
},
'count_expression':
count_expression
})
self.assertEqual(expected_value, expression(source_doc))
def _get_expression(doc_type):
return ExpressionFactory.from_spec({
"type": "related_doc",
"related_doc_type": doc_type,
"doc_id_expression": {
"type": "property_name",
"property_name": "related_id"
},
"value_expression": {
"type": "property_name",
"property_name": "_id"
}
})
def test_month_end_date(self):
expression = ExpressionFactory.from_spec({
"type": "ext_month_end",
})
self.assertEqual(
date(2015, 7, 31),
expression(
{"some_item": "item_value"},
context=EvaluationContext(
{
"opened_on": "2015-06-03T01:10:15.241903Z",
}, 1),
))
def test_add_months_to_date_expression(self, source_doc, months_expression,
expected_value):
expression = ExpressionFactory.from_spec({
'type':
'add_months',
'date_expression': {
'type': 'property_name',
'property_name': 'dob',
},
'months_expression':
months_expression
})
self.assertEqual(expected_value, expression(source_doc))
def setUpClass(cls):
cls.expression_spec = {
'type': 'array_index',
'array_expression': {
'type': 'property_name',
'property_name': 'my_array'
},
'index_expression': {
'type': 'property_name',
'property_name': 'my_index',
},
}
cls.expression = ExpressionFactory.from_spec(cls.expression_spec)