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fix(converter): wrap field with NonNull if it is required #545

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merged 2 commits into from
Jun 10, 2020
Merged

fix(converter): wrap field with NonNull if it is required #545

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fix(converter): wrap field with NonNull if it is required
helloqiu Oct 24, 2018
cea771c
Update formatting
jkimbo Jun 10, 2020
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18 changes: 13 additions & 5 deletions graphene_django/converter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -255,10 +255,14 @@ def dynamic_type():

@convert_django_field.register(ArrayField)
def convert_postgres_array_to_list(field, registry=None):
base_type = convert_django_field(field.base_field)
if not isinstance(base_type, (List, NonNull)):
base_type = type(base_type)
return List(base_type, description=field.help_text, required=not field.null)
inner_type = convert_django_field(field.base_field)
if not isinstance(inner_type, (List, NonNull)):
inner_type = (
NonNull(type(inner_type))
if inner_type.kwargs["required"]
else type(inner_type)
)
return List(inner_type, description=field.help_text, required=not field.null)


@convert_django_field.register(HStoreField)
Expand All @@ -271,5 +275,9 @@ def convert_postgres_field_to_string(field, registry=None):
def convert_postgres_range_to_string(field, registry=None):
inner_type = convert_django_field(field.base_field)
if not isinstance(inner_type, (List, NonNull)):
inner_type = type(inner_type)
inner_type = (
NonNull(type(inner_type))
if inner_type.kwargs["required"]
else type(inner_type)
)
return List(inner_type, description=field.help_text, required=not field.null)
22 changes: 21 additions & 1 deletion graphene_django/tests/test_converter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -310,6 +310,14 @@ def test_should_postgres_array_convert_list():
)
assert isinstance(field.type, graphene.NonNull)
assert isinstance(field.type.of_type, graphene.List)
assert isinstance(field.type.of_type.of_type, graphene.NonNull)
assert field.type.of_type.of_type.of_type == graphene.String

field = assert_conversion(
ArrayField, graphene.List, models.CharField(max_length=100, null=True)
)
assert isinstance(field.type, graphene.NonNull)
assert isinstance(field.type.of_type, graphene.List)
assert field.type.of_type.of_type == graphene.String


Expand All @@ -321,6 +329,17 @@ def test_should_postgres_array_multiple_convert_list():
assert isinstance(field.type, graphene.NonNull)
assert isinstance(field.type.of_type, graphene.List)
assert isinstance(field.type.of_type.of_type, graphene.List)
assert isinstance(field.type.of_type.of_type.of_type, graphene.NonNull)
assert field.type.of_type.of_type.of_type.of_type == graphene.String

field = assert_conversion(
ArrayField,
graphene.List,
ArrayField(models.CharField(max_length=100, null=True)),
)
assert isinstance(field.type, graphene.NonNull)
assert isinstance(field.type.of_type, graphene.List)
assert isinstance(field.type.of_type.of_type, graphene.List)
assert field.type.of_type.of_type.of_type == graphene.String


Expand All @@ -341,7 +360,8 @@ def test_should_postgres_range_convert_list():
field = assert_conversion(IntegerRangeField, graphene.List)
assert isinstance(field.type, graphene.NonNull)
assert isinstance(field.type.of_type, graphene.List)
assert field.type.of_type.of_type == graphene.Int
assert isinstance(field.type.of_type.of_type, graphene.NonNull)
assert field.type.of_type.of_type.of_type == graphene.Int


def test_generate_enum_name(graphene_settings):
Expand Down