mirror of
https://github.com/graphql-python/graphene-django.git
synced 2024-11-15 14:17:55 +03:00
7b35695067
* fix( DjangoListField ): test that default functionality should resolve/call queryset at view time, first attempt at solution * fix( DjangoListField ): DjangoListField defines get_manager just like DjangoConnectionField for a better variable name default_manager instead of default_queryset * fix: apply specific black formatting
411 lines
12 KiB
Python
411 lines
12 KiB
Python
import datetime
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from django.db.models import Count
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import pytest
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from graphene import List, NonNull, ObjectType, Schema, String
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from ..fields import DjangoListField
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from ..types import DjangoObjectType
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from .models import Article as ArticleModel
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from .models import Reporter as ReporterModel
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class TestDjangoListField:
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def test_only_django_object_types(self):
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class TestType(ObjectType):
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foo = String()
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with pytest.raises(AssertionError):
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list_field = DjangoListField(TestType)
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def test_only_import_paths(self):
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list_field = DjangoListField("graphene_django.tests.schema.Human")
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from .schema import Human
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assert list_field._type.of_type.of_type is Human
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def test_non_null_type(self):
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class Reporter(DjangoObjectType):
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class Meta:
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model = ReporterModel
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fields = ("first_name",)
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list_field = DjangoListField(NonNull(Reporter))
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assert isinstance(list_field.type, List)
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assert isinstance(list_field.type.of_type, NonNull)
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assert list_field.type.of_type.of_type is Reporter
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def test_get_django_model(self):
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class Reporter(DjangoObjectType):
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class Meta:
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model = ReporterModel
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fields = ("first_name",)
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list_field = DjangoListField(Reporter)
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assert list_field.model is ReporterModel
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def test_list_field_default_queryset(self):
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class Reporter(DjangoObjectType):
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class Meta:
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model = ReporterModel
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fields = ("first_name",)
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class Query(ObjectType):
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reporters = DjangoListField(Reporter)
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schema = Schema(query=Query)
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query = """
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query {
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reporters {
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firstName
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}
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}
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"""
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ReporterModel.objects.create(first_name="Tara", last_name="West")
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ReporterModel.objects.create(first_name="Debra", last_name="Payne")
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result = schema.execute(query)
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assert not result.errors
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assert result.data == {
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"reporters": [{"firstName": "Tara"}, {"firstName": "Debra"}]
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}
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def test_list_field_queryset_is_not_cached(self):
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class Reporter(DjangoObjectType):
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class Meta:
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model = ReporterModel
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fields = ("first_name",)
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class Query(ObjectType):
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reporters = DjangoListField(Reporter)
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schema = Schema(query=Query)
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query = """
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query {
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reporters {
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firstName
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}
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}
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"""
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result = schema.execute(query)
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assert not result.errors
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assert result.data == {"reporters": []}
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ReporterModel.objects.create(first_name="Tara", last_name="West")
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ReporterModel.objects.create(first_name="Debra", last_name="Payne")
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result = schema.execute(query)
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assert not result.errors
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assert result.data == {
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"reporters": [{"firstName": "Tara"}, {"firstName": "Debra"}]
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}
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def test_override_resolver(self):
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class Reporter(DjangoObjectType):
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class Meta:
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model = ReporterModel
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fields = ("first_name",)
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class Query(ObjectType):
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reporters = DjangoListField(Reporter)
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def resolve_reporters(_, info):
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return ReporterModel.objects.filter(first_name="Tara")
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schema = Schema(query=Query)
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query = """
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query {
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reporters {
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firstName
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}
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}
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"""
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ReporterModel.objects.create(first_name="Tara", last_name="West")
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ReporterModel.objects.create(first_name="Debra", last_name="Payne")
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result = schema.execute(query)
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assert not result.errors
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assert result.data == {"reporters": [{"firstName": "Tara"}]}
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def test_nested_list_field(self):
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class Article(DjangoObjectType):
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class Meta:
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model = ArticleModel
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fields = ("headline",)
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class Reporter(DjangoObjectType):
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class Meta:
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model = ReporterModel
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fields = ("first_name", "articles")
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class Query(ObjectType):
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reporters = DjangoListField(Reporter)
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schema = Schema(query=Query)
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query = """
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query {
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reporters {
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firstName
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articles {
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headline
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}
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}
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}
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"""
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r1 = ReporterModel.objects.create(first_name="Tara", last_name="West")
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ReporterModel.objects.create(first_name="Debra", last_name="Payne")
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ArticleModel.objects.create(
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headline="Amazing news",
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reporter=r1,
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pub_date=datetime.date.today(),
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pub_date_time=datetime.datetime.now(),
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editor=r1,
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)
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ArticleModel.objects.create(
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headline="Not so good news",
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reporter=r1,
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pub_date=datetime.date.today(),
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pub_date_time=datetime.datetime.now(),
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editor=r1,
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)
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result = schema.execute(query)
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assert not result.errors
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assert result.data == {
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"reporters": [
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{
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"firstName": "Tara",
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"articles": [
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{"headline": "Amazing news"},
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{"headline": "Not so good news"},
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],
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},
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{"firstName": "Debra", "articles": []},
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]
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}
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def test_override_resolver_nested_list_field(self):
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class Article(DjangoObjectType):
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class Meta:
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model = ArticleModel
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fields = ("headline",)
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class Reporter(DjangoObjectType):
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class Meta:
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model = ReporterModel
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fields = ("first_name", "articles")
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def resolve_articles(reporter, info):
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return reporter.articles.filter(headline__contains="Amazing")
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class Query(ObjectType):
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reporters = DjangoListField(Reporter)
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schema = Schema(query=Query)
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query = """
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query {
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reporters {
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firstName
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articles {
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headline
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}
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}
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}
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"""
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r1 = ReporterModel.objects.create(first_name="Tara", last_name="West")
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ReporterModel.objects.create(first_name="Debra", last_name="Payne")
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ArticleModel.objects.create(
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headline="Amazing news",
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reporter=r1,
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pub_date=datetime.date.today(),
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pub_date_time=datetime.datetime.now(),
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editor=r1,
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)
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ArticleModel.objects.create(
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headline="Not so good news",
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reporter=r1,
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pub_date=datetime.date.today(),
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pub_date_time=datetime.datetime.now(),
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editor=r1,
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)
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result = schema.execute(query)
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assert not result.errors
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assert result.data == {
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"reporters": [
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{"firstName": "Tara", "articles": [{"headline": "Amazing news"}]},
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{"firstName": "Debra", "articles": []},
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]
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}
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def test_get_queryset_filter(self):
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class Reporter(DjangoObjectType):
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class Meta:
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model = ReporterModel
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fields = ("first_name", "articles")
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@classmethod
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def get_queryset(cls, queryset, info):
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# Only get reporters with at least 1 article
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return queryset.annotate(article_count=Count("articles")).filter(
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article_count__gt=0
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)
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class Query(ObjectType):
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reporters = DjangoListField(Reporter)
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def resolve_reporters(_, info):
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return ReporterModel.objects.all()
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schema = Schema(query=Query)
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query = """
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query {
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reporters {
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firstName
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}
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}
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"""
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r1 = ReporterModel.objects.create(first_name="Tara", last_name="West")
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ReporterModel.objects.create(first_name="Debra", last_name="Payne")
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ArticleModel.objects.create(
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headline="Amazing news",
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reporter=r1,
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pub_date=datetime.date.today(),
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pub_date_time=datetime.datetime.now(),
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editor=r1,
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)
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result = schema.execute(query)
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assert not result.errors
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assert result.data == {"reporters": [{"firstName": "Tara"}]}
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def test_resolve_list(self):
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"""Resolving a plain list should work (and not call get_queryset)"""
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class Reporter(DjangoObjectType):
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class Meta:
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model = ReporterModel
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fields = ("first_name", "articles")
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@classmethod
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def get_queryset(cls, queryset, info):
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# Only get reporters with at least 1 article
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return queryset.annotate(article_count=Count("articles")).filter(
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article_count__gt=0
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)
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class Query(ObjectType):
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reporters = DjangoListField(Reporter)
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def resolve_reporters(_, info):
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return [ReporterModel.objects.get(first_name="Debra")]
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schema = Schema(query=Query)
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query = """
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query {
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reporters {
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firstName
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}
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}
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"""
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r1 = ReporterModel.objects.create(first_name="Tara", last_name="West")
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ReporterModel.objects.create(first_name="Debra", last_name="Payne")
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ArticleModel.objects.create(
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headline="Amazing news",
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reporter=r1,
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pub_date=datetime.date.today(),
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pub_date_time=datetime.datetime.now(),
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editor=r1,
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)
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result = schema.execute(query)
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assert not result.errors
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assert result.data == {"reporters": [{"firstName": "Debra"}]}
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def test_get_queryset_foreign_key(self):
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class Article(DjangoObjectType):
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class Meta:
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model = ArticleModel
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fields = ("headline",)
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@classmethod
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def get_queryset(cls, queryset, info):
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# Rose tinted glasses
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return queryset.exclude(headline__contains="Not so good")
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class Reporter(DjangoObjectType):
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class Meta:
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model = ReporterModel
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fields = ("first_name", "articles")
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class Query(ObjectType):
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reporters = DjangoListField(Reporter)
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schema = Schema(query=Query)
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query = """
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query {
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reporters {
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firstName
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articles {
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headline
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}
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}
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}
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"""
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r1 = ReporterModel.objects.create(first_name="Tara", last_name="West")
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ReporterModel.objects.create(first_name="Debra", last_name="Payne")
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ArticleModel.objects.create(
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headline="Amazing news",
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reporter=r1,
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pub_date=datetime.date.today(),
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pub_date_time=datetime.datetime.now(),
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editor=r1,
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)
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ArticleModel.objects.create(
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headline="Not so good news",
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reporter=r1,
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pub_date=datetime.date.today(),
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pub_date_time=datetime.datetime.now(),
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editor=r1,
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)
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result = schema.execute(query)
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assert not result.errors
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assert result.data == {
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"reporters": [
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{"firstName": "Tara", "articles": [{"headline": "Amazing news"}]},
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{"firstName": "Debra", "articles": []},
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]
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}
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