mirror of
https://github.com/graphql-python/graphene-django.git
synced 2025-11-04 01:47:57 +03:00
45c2aa09b5
* Allows field's choices to be a callable Starting in Django 5 field's choices can also be a callable * test if field with callable choices converts into enum --------- Co-authored-by: Kien Dang <mail@kien.ai>
478 lines
15 KiB
Python
478 lines
15 KiB
Python
from collections import namedtuple
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import pytest
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from django.db import models
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from django.utils.translation import gettext_lazy as _
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from pytest import raises
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import graphene
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from graphene import NonNull
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from graphene.relay import ConnectionField, Node
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from graphene.types.datetime import Date, DateTime, Time
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from graphene.types.json import JSONString
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from graphene.types.scalars import BigInt
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from ..compat import (
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ArrayField,
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HStoreField,
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MissingType,
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RangeField,
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)
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from ..converter import (
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convert_django_field,
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convert_django_field_with_choices,
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generate_enum_name,
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)
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from ..registry import Registry
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from ..types import DjangoObjectType
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from .models import Article, Film, FilmDetails, Reporter
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# from graphene.core.types.custom_scalars import DateTime, Time, JSONString
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def assert_conversion(django_field, graphene_field, *args, **kwargs):
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_kwargs = {**kwargs, "help_text": "Custom Help Text"}
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if "null" not in kwargs:
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_kwargs["null"] = True
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field = django_field(*args, **_kwargs)
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graphene_type = convert_django_field(field)
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assert isinstance(graphene_type, graphene_field)
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field = graphene_type.Field()
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assert field.description == "Custom Help Text"
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_kwargs = kwargs.copy()
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if "null" not in kwargs:
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_kwargs["null"] = False
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nonnull_field = django_field(*args, **_kwargs)
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if not nonnull_field.null:
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nonnull_graphene_type = convert_django_field(nonnull_field)
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nonnull_field = nonnull_graphene_type.Field()
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assert isinstance(nonnull_field.type, graphene.NonNull)
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return nonnull_field
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return field
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def test_should_unknown_django_field_raise_exception():
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with raises(Exception) as excinfo:
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convert_django_field(None)
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assert "Don't know how to convert the Django field" in str(excinfo.value)
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def test_should_date_time_convert_string():
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assert_conversion(models.DateTimeField, DateTime)
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def test_should_date_convert_string():
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assert_conversion(models.DateField, Date)
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def test_should_time_convert_string():
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assert_conversion(models.TimeField, Time)
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def test_should_char_convert_string():
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assert_conversion(models.CharField, graphene.String)
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def test_should_text_convert_string():
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assert_conversion(models.TextField, graphene.String)
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def test_should_email_convert_string():
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assert_conversion(models.EmailField, graphene.String)
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def test_should_slug_convert_string():
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assert_conversion(models.SlugField, graphene.String)
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def test_should_url_convert_string():
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assert_conversion(models.URLField, graphene.String)
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def test_should_ipaddress_convert_string():
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assert_conversion(models.GenericIPAddressField, graphene.String)
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def test_should_file_convert_string():
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assert_conversion(models.FileField, graphene.String)
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def test_should_image_convert_string():
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assert_conversion(models.ImageField, graphene.String)
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def test_should_file_path_field_convert_string():
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assert_conversion(models.FilePathField, graphene.String)
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def test_should_auto_convert_id():
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assert_conversion(models.AutoField, graphene.ID, primary_key=True)
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def test_should_big_auto_convert_id():
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assert_conversion(models.BigAutoField, graphene.ID, primary_key=True)
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def test_should_small_auto_convert_id():
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if hasattr(models, "SmallAutoField"):
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assert_conversion(models.SmallAutoField, graphene.ID, primary_key=True)
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def test_should_uuid_convert_id():
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assert_conversion(models.UUIDField, graphene.UUID)
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def test_should_auto_convert_duration():
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assert_conversion(models.DurationField, graphene.Float)
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def test_should_positive_integer_convert_int():
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assert_conversion(models.PositiveIntegerField, graphene.Int)
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def test_should_positive_small_convert_int():
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assert_conversion(models.PositiveSmallIntegerField, graphene.Int)
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def test_should_small_integer_convert_int():
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assert_conversion(models.SmallIntegerField, graphene.Int)
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def test_should_big_integer_convert_big_int():
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assert_conversion(models.BigIntegerField, BigInt)
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def test_should_integer_convert_int():
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assert_conversion(models.IntegerField, graphene.Int)
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def test_should_boolean_convert_boolean():
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assert_conversion(models.BooleanField, graphene.Boolean, null=True)
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def test_should_boolean_convert_non_null_boolean():
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field = assert_conversion(models.BooleanField, graphene.Boolean, null=False)
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assert isinstance(field.type, graphene.NonNull)
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assert field.type.of_type == graphene.Boolean
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def test_should_nullboolean_convert_boolean():
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assert_conversion(models.NullBooleanField, graphene.Boolean)
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def test_field_with_choices_convert_enum():
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field = models.CharField(
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help_text="Language", choices=(("es", "Spanish"), ("en", "English"))
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)
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class TranslatedModel(models.Model):
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language = field
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class Meta:
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app_label = "test"
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graphene_type = convert_django_field_with_choices(field).type.of_type
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assert graphene_type._meta.name == "TestTranslatedModelLanguageChoices"
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assert graphene_type._meta.enum.__members__["ES"].value == "es"
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assert graphene_type._meta.enum.__members__["ES"].description == "Spanish"
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assert graphene_type._meta.enum.__members__["EN"].value == "en"
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assert graphene_type._meta.enum.__members__["EN"].description == "English"
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def test_field_with_callable_choices_convert_enum():
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def get_choices():
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return ("es", "Spanish"), ("en", "English")
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field = models.CharField(help_text="Language", choices=get_choices)
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class TranslatedModel(models.Model):
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language = field
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class Meta:
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app_label = "test"
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graphene_type = convert_django_field_with_choices(field).type.of_type
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assert graphene_type._meta.name == "TestTranslatedModelLanguageChoices"
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assert graphene_type._meta.enum.__members__["ES"].value == "es"
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assert graphene_type._meta.enum.__members__["ES"].description == "Spanish"
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assert graphene_type._meta.enum.__members__["EN"].value == "en"
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assert graphene_type._meta.enum.__members__["EN"].description == "English"
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def test_field_with_grouped_choices():
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field = models.CharField(
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help_text="Language",
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choices=(("Europe", (("es", "Spanish"), ("en", "English"))),),
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)
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class GroupedChoicesModel(models.Model):
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language = field
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class Meta:
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app_label = "test"
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convert_django_field_with_choices(field)
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def test_field_with_choices_gettext():
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field = models.CharField(
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help_text="Language", choices=(("es", _("Spanish")), ("en", _("English")))
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)
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class TranslatedChoicesModel(models.Model):
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language = field
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class Meta:
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app_label = "test"
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convert_django_field_with_choices(field)
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def test_field_with_choices_collision():
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field = models.CharField(
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help_text="Timezone",
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choices=(
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("Etc/GMT+1+2", "Fake choice to produce double collision"),
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("Etc/GMT+1", "Greenwich Mean Time +1"),
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("Etc/GMT-1", "Greenwich Mean Time -1"),
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),
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)
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class CollisionChoicesModel(models.Model):
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timezone = field
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class Meta:
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app_label = "test"
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convert_django_field_with_choices(field)
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def test_field_with_choices_convert_enum_false():
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field = models.CharField(
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help_text="Language", choices=(("es", "Spanish"), ("en", "English"))
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)
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class TranslatedModel(models.Model):
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language = field
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class Meta:
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app_label = "test"
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graphene_type = convert_django_field_with_choices(
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field, convert_choices_to_enum=False
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)
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assert isinstance(graphene_type, graphene.String)
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def test_should_float_convert_float():
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assert_conversion(models.FloatField, graphene.Float)
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def test_should_float_convert_decimal():
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assert_conversion(models.DecimalField, graphene.Decimal)
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def test_should_manytomany_convert_connectionorlist():
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registry = Registry()
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dynamic_field = convert_django_field(Reporter._meta.local_many_to_many[0], registry)
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assert not dynamic_field.get_type()
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def test_should_manytomany_convert_connectionorlist_list():
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class A(DjangoObjectType):
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class Meta:
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model = Reporter
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fields = "__all__"
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graphene_field = convert_django_field(
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Reporter._meta.local_many_to_many[0], A._meta.registry
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)
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assert isinstance(graphene_field, graphene.Dynamic)
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dynamic_field = graphene_field.get_type()
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assert isinstance(dynamic_field, graphene.Field)
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# A NonNull List of NonNull A ([A!]!)
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# https://github.com/graphql-python/graphene-django/issues/448
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assert isinstance(dynamic_field.type, NonNull)
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assert isinstance(dynamic_field.type.of_type, graphene.List)
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assert isinstance(dynamic_field.type.of_type.of_type, NonNull)
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assert dynamic_field.type.of_type.of_type.of_type == A
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def test_should_manytomany_convert_connectionorlist_connection():
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class A(DjangoObjectType):
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class Meta:
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model = Reporter
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interfaces = (Node,)
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fields = "__all__"
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graphene_field = convert_django_field(
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Reporter._meta.local_many_to_many[0], A._meta.registry
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)
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assert isinstance(graphene_field, graphene.Dynamic)
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dynamic_field = graphene_field.get_type()
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assert isinstance(dynamic_field, ConnectionField)
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assert dynamic_field.type.of_type == A._meta.connection
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def test_should_manytoone_convert_connectionorlist():
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class A(DjangoObjectType):
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class Meta:
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model = Article
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fields = "__all__"
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graphene_field = convert_django_field(Reporter.articles.rel, A._meta.registry)
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assert isinstance(graphene_field, graphene.Dynamic)
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dynamic_field = graphene_field.get_type()
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assert isinstance(dynamic_field, graphene.Field)
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# a NonNull List of NonNull A ([A!]!)
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assert isinstance(dynamic_field.type, NonNull)
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assert isinstance(dynamic_field.type.of_type, graphene.List)
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assert isinstance(dynamic_field.type.of_type.of_type, NonNull)
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assert dynamic_field.type.of_type.of_type.of_type == A
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def test_should_onetoone_reverse_convert_model():
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class A(DjangoObjectType):
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class Meta:
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model = FilmDetails
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fields = "__all__"
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graphene_field = convert_django_field(Film.details.related, A._meta.registry)
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assert isinstance(graphene_field, graphene.Dynamic)
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dynamic_field = graphene_field.get_type()
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assert isinstance(dynamic_field, graphene.Field)
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assert dynamic_field.type == A
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@pytest.mark.skipif(ArrayField is MissingType, reason="ArrayField should exist")
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def test_should_postgres_array_convert_list():
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field = assert_conversion(
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ArrayField, graphene.List, models.CharField(max_length=100)
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)
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assert isinstance(field.type, graphene.NonNull)
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assert isinstance(field.type.of_type, graphene.List)
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assert isinstance(field.type.of_type.of_type, graphene.NonNull)
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assert field.type.of_type.of_type.of_type == graphene.String
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field = assert_conversion(
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ArrayField, graphene.List, models.CharField(max_length=100, null=True)
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)
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assert isinstance(field.type, graphene.NonNull)
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assert isinstance(field.type.of_type, graphene.List)
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assert field.type.of_type.of_type == graphene.String
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@pytest.mark.skipif(ArrayField is MissingType, reason="ArrayField should exist")
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def test_should_postgres_array_multiple_convert_list():
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field = assert_conversion(
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ArrayField, graphene.List, ArrayField(models.CharField(max_length=100))
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)
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assert isinstance(field.type, graphene.NonNull)
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assert isinstance(field.type.of_type, graphene.List)
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assert isinstance(field.type.of_type.of_type, graphene.List)
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assert isinstance(field.type.of_type.of_type.of_type, graphene.NonNull)
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assert field.type.of_type.of_type.of_type.of_type == graphene.String
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field = assert_conversion(
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ArrayField,
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graphene.List,
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ArrayField(models.CharField(max_length=100, null=True)),
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)
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assert isinstance(field.type, graphene.NonNull)
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assert isinstance(field.type.of_type, graphene.List)
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assert isinstance(field.type.of_type.of_type, graphene.List)
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assert field.type.of_type.of_type.of_type == graphene.String
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@pytest.mark.skipif(HStoreField is MissingType, reason="HStoreField should exist")
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def test_should_postgres_hstore_convert_string():
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assert_conversion(HStoreField, JSONString)
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@pytest.mark.skipif(RangeField is MissingType, reason="RangeField should exist")
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def test_should_postgres_range_convert_list():
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from django.contrib.postgres.fields import IntegerRangeField
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field = assert_conversion(IntegerRangeField, graphene.List)
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assert isinstance(field.type, graphene.NonNull)
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assert isinstance(field.type.of_type, graphene.List)
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assert isinstance(field.type.of_type.of_type, graphene.NonNull)
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assert field.type.of_type.of_type.of_type == graphene.Int
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def test_generate_enum_name():
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MockDjangoModelMeta = namedtuple("DjangoMeta", ["app_label", "object_name"])
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# Simple case
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field = graphene.Field(graphene.String, name="type")
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model_meta = MockDjangoModelMeta(app_label="users", object_name="User")
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assert generate_enum_name(model_meta, field) == "UsersUserTypeChoices"
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# More complicated multiple work case
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field = graphene.Field(graphene.String, name="fizz_buzz")
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model_meta = MockDjangoModelMeta(
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app_label="some_long_app_name", object_name="SomeObject"
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)
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assert (
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generate_enum_name(model_meta, field)
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== "SomeLongAppNameSomeObjectFizzBuzzChoices"
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)
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def test_generate_v2_enum_name(graphene_settings):
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MockDjangoModelMeta = namedtuple("DjangoMeta", ["app_label", "object_name"])
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graphene_settings.DJANGO_CHOICE_FIELD_ENUM_V2_NAMING = True
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# Simple case
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field = graphene.Field(graphene.String, name="type")
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model_meta = MockDjangoModelMeta(app_label="users", object_name="User")
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assert generate_enum_name(model_meta, field) == "UserType"
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# More complicated multiple work case
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field = graphene.Field(graphene.String, name="fizz_buzz")
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model_meta = MockDjangoModelMeta(
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app_label="some_long_app_name", object_name="SomeObject"
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)
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assert generate_enum_name(model_meta, field) == "SomeObjectFizzBuzz"
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def test_choice_enum_blank_value():
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"""Test that choice fields with blank values work"""
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class ReporterType(DjangoObjectType):
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class Meta:
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model = Reporter
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fields = (
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"first_name",
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"a_choice",
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)
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class Query(graphene.ObjectType):
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reporter = graphene.Field(ReporterType)
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def resolve_reporter(root, info):
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return Reporter.objects.first()
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schema = graphene.Schema(query=Query)
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# Create model with empty choice option
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Reporter.objects.create(
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first_name="Bridget", last_name="Jones", email="bridget@example.com"
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)
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result = schema.execute(
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"""
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query {
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reporter {
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firstName
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aChoice
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}
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}
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"""
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)
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assert not result.errors
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assert result.data == {
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"reporter": {"firstName": "Bridget", "aChoice": None},
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}
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