graphene-django/graphene_django/tests/test_converter.py
2020-08-07 10:22:15 +01:00

397 lines
13 KiB
Python

from collections import namedtuple
import pytest
from django.db import models
from django.utils.translation import ugettext_lazy as _
from py.test import raises
import graphene
from graphene import NonNull
from graphene.relay import ConnectionField, Node
from graphene.types.datetime import Date, DateTime, Time
from graphene.types.json import JSONString
from ..compat import (
ArrayField,
HStoreField,
JSONField,
PGJSONField,
MissingType,
RangeField,
)
from ..converter import (
convert_django_field,
convert_django_field_with_choices,
generate_enum_name,
)
from ..registry import Registry
from ..types import DjangoObjectType
from .models import Article, Film, FilmDetails, Reporter
# from graphene.core.types.custom_scalars import DateTime, Time, JSONString
def assert_conversion(django_field, graphene_field, *args, **kwargs):
_kwargs = kwargs.copy()
if "null" not in kwargs:
_kwargs["null"] = True
field = django_field(help_text="Custom Help Text", *args, **_kwargs)
graphene_type = convert_django_field(field)
assert isinstance(graphene_type, graphene_field)
field = graphene_type.Field()
assert field.description == "Custom Help Text"
_kwargs = kwargs.copy()
if "null" not in kwargs:
_kwargs["null"] = False
nonnull_field = django_field(*args, **_kwargs)
if not nonnull_field.null:
nonnull_graphene_type = convert_django_field(nonnull_field)
nonnull_field = nonnull_graphene_type.Field()
assert isinstance(nonnull_field.type, graphene.NonNull)
return nonnull_field
return field
def test_should_unknown_django_field_raise_exception():
with raises(Exception) as excinfo:
convert_django_field(None)
assert "Don't know how to convert the Django field" in str(excinfo.value)
def test_should_date_time_convert_string():
assert_conversion(models.DateTimeField, DateTime)
def test_should_date_convert_string():
assert_conversion(models.DateField, Date)
def test_should_time_convert_string():
assert_conversion(models.TimeField, Time)
def test_should_char_convert_string():
assert_conversion(models.CharField, graphene.String)
def test_should_text_convert_string():
assert_conversion(models.TextField, graphene.String)
def test_should_email_convert_string():
assert_conversion(models.EmailField, graphene.String)
def test_should_slug_convert_string():
assert_conversion(models.SlugField, graphene.String)
def test_should_url_convert_string():
assert_conversion(models.URLField, graphene.String)
def test_should_ipaddress_convert_string():
assert_conversion(models.GenericIPAddressField, graphene.String)
def test_should_file_convert_string():
assert_conversion(models.FileField, graphene.String)
def test_should_image_convert_string():
assert_conversion(models.ImageField, graphene.String)
def test_should_file_path_field_convert_string():
assert_conversion(models.FilePathField, graphene.String)
def test_should_auto_convert_id():
assert_conversion(models.AutoField, graphene.ID, primary_key=True)
def test_should_uuid_convert_id():
assert_conversion(models.UUIDField, graphene.UUID)
def test_should_auto_convert_duration():
assert_conversion(models.DurationField, graphene.Float)
def test_should_positive_integer_convert_int():
assert_conversion(models.PositiveIntegerField, graphene.Int)
def test_should_positive_small_convert_int():
assert_conversion(models.PositiveSmallIntegerField, graphene.Int)
def test_should_small_integer_convert_int():
assert_conversion(models.SmallIntegerField, graphene.Int)
def test_should_big_integer_convert_int():
assert_conversion(models.BigIntegerField, graphene.Int)
def test_should_integer_convert_int():
assert_conversion(models.IntegerField, graphene.Int)
def test_should_boolean_convert_boolean():
assert_conversion(models.BooleanField, graphene.Boolean, null=True)
def test_should_boolean_convert_non_null_boolean():
field = assert_conversion(models.BooleanField, graphene.Boolean, null=False)
assert isinstance(field.type, graphene.NonNull)
assert field.type.of_type == graphene.Boolean
def test_should_nullboolean_convert_boolean():
assert_conversion(models.NullBooleanField, graphene.Boolean)
def test_field_with_choices_convert_enum():
field = models.CharField(
help_text="Language", choices=(("es", "Spanish"), ("en", "English"))
)
class TranslatedModel(models.Model):
language = field
class Meta:
app_label = "test"
graphene_type = convert_django_field_with_choices(field)
assert isinstance(graphene_type, graphene.Enum)
assert graphene_type._meta.name == "TranslatedModelLanguage"
assert graphene_type._meta.enum.__members__["ES"].value == "es"
assert graphene_type._meta.enum.__members__["ES"].description == "Spanish"
assert graphene_type._meta.enum.__members__["EN"].value == "en"
assert graphene_type._meta.enum.__members__["EN"].description == "English"
def test_field_with_grouped_choices():
field = models.CharField(
help_text="Language",
choices=(("Europe", (("es", "Spanish"), ("en", "English"))),),
)
class GroupedChoicesModel(models.Model):
language = field
class Meta:
app_label = "test"
convert_django_field_with_choices(field)
def test_field_with_choices_gettext():
field = models.CharField(
help_text="Language", choices=(("es", _("Spanish")), ("en", _("English")))
)
class TranslatedChoicesModel(models.Model):
language = field
class Meta:
app_label = "test"
convert_django_field_with_choices(field)
def test_field_with_choices_collision():
field = models.CharField(
help_text="Timezone",
choices=(
("Etc/GMT+1+2", "Fake choice to produce double collision"),
("Etc/GMT+1", "Greenwich Mean Time +1"),
("Etc/GMT-1", "Greenwich Mean Time -1"),
),
)
class CollisionChoicesModel(models.Model):
timezone = field
class Meta:
app_label = "test"
convert_django_field_with_choices(field)
def test_field_with_choices_convert_enum_false():
field = models.CharField(
help_text="Language", choices=(("es", "Spanish"), ("en", "English"))
)
class TranslatedModel(models.Model):
language = field
class Meta:
app_label = "test"
graphene_type = convert_django_field_with_choices(
field, convert_choices_to_enum=False
)
assert isinstance(graphene_type, graphene.String)
def test_should_float_convert_float():
assert_conversion(models.FloatField, graphene.Float)
def test_should_manytomany_convert_connectionorlist():
registry = Registry()
dynamic_field = convert_django_field(Reporter._meta.local_many_to_many[0], registry)
assert not dynamic_field.get_type()
def test_should_manytomany_convert_connectionorlist_list():
class A(DjangoObjectType):
class Meta:
model = Reporter
graphene_field = convert_django_field(
Reporter._meta.local_many_to_many[0], A._meta.registry
)
assert isinstance(graphene_field, graphene.Dynamic)
dynamic_field = graphene_field.get_type()
assert isinstance(dynamic_field, graphene.Field)
# A NonNull List of NonNull A ([A!]!)
# https://github.com/graphql-python/graphene-django/issues/448
assert isinstance(dynamic_field.type, NonNull)
assert isinstance(dynamic_field.type.of_type, graphene.List)
assert isinstance(dynamic_field.type.of_type.of_type, NonNull)
assert dynamic_field.type.of_type.of_type.of_type == A
def test_should_manytomany_convert_connectionorlist_connection():
class A(DjangoObjectType):
class Meta:
model = Reporter
interfaces = (Node,)
graphene_field = convert_django_field(
Reporter._meta.local_many_to_many[0], A._meta.registry
)
assert isinstance(graphene_field, graphene.Dynamic)
dynamic_field = graphene_field.get_type()
assert isinstance(dynamic_field, ConnectionField)
assert dynamic_field.type.of_type == A._meta.connection
def test_should_manytoone_convert_connectionorlist():
class A(DjangoObjectType):
class Meta:
model = Article
graphene_field = convert_django_field(Reporter.articles.rel, A._meta.registry)
assert isinstance(graphene_field, graphene.Dynamic)
dynamic_field = graphene_field.get_type()
assert isinstance(dynamic_field, graphene.Field)
# a NonNull List of NonNull A ([A!]!)
assert isinstance(dynamic_field.type, NonNull)
assert isinstance(dynamic_field.type.of_type, graphene.List)
assert isinstance(dynamic_field.type.of_type.of_type, NonNull)
assert dynamic_field.type.of_type.of_type.of_type == A
def test_should_onetoone_reverse_convert_model():
class A(DjangoObjectType):
class Meta:
model = FilmDetails
graphene_field = convert_django_field(Film.details.related, A._meta.registry)
assert isinstance(graphene_field, graphene.Dynamic)
dynamic_field = graphene_field.get_type()
assert isinstance(dynamic_field, graphene.Field)
assert dynamic_field.type == A
@pytest.mark.skipif(ArrayField is MissingType, reason="ArrayField should exist")
def test_should_postgres_array_convert_list():
field = assert_conversion(
ArrayField, graphene.List, models.CharField(max_length=100)
)
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
@pytest.mark.skipif(ArrayField is MissingType, reason="ArrayField should exist")
def test_should_postgres_array_multiple_convert_list():
field = assert_conversion(
ArrayField, graphene.List, ArrayField(models.CharField(max_length=100))
)
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
@pytest.mark.skipif(HStoreField is MissingType, reason="HStoreField should exist")
def test_should_postgres_hstore_convert_string():
assert_conversion(HStoreField, JSONString)
@pytest.mark.skipif(PGJSONField is MissingType, reason="PGJSONField should exist")
def test_should_postgres_json_convert_string():
assert_conversion(PGJSONField, JSONString)
@pytest.mark.skipif(JSONField is MissingType, reason="JSONField should exist")
def test_should_json_convert_string():
assert_conversion(JSONField, JSONString)
@pytest.mark.skipif(RangeField is MissingType, reason="RangeField should exist")
def test_should_postgres_range_convert_list():
from django.contrib.postgres.fields import IntegerRangeField
field = assert_conversion(IntegerRangeField, graphene.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.Int
def test_generate_enum_name(graphene_settings):
MockDjangoModelMeta = namedtuple("DjangoMeta", ["app_label", "object_name"])
graphene_settings.DJANGO_CHOICE_FIELD_ENUM_V3_NAMING = True
# Simple case
field = graphene.Field(graphene.String, name="type")
model_meta = MockDjangoModelMeta(app_label="users", object_name="User")
assert generate_enum_name(model_meta, field) == "UsersUserTypeChoices"
# More complicated multiple work case
field = graphene.Field(graphene.String, name="fizz_buzz")
model_meta = MockDjangoModelMeta(
app_label="some_long_app_name", object_name="SomeObject"
)
assert (
generate_enum_name(model_meta, field)
== "SomeLongAppNameSomeObjectFizzBuzzChoices"
)