mirror of
https://github.com/graphql-python/graphene-django.git
synced 2024-11-23 01:57:08 +03:00
751 lines
18 KiB
Python
751 lines
18 KiB
Python
import datetime
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import pytest
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from django.db import models
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from django.utils.functional import SimpleLazyObject
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from py.test import raises
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import graphene
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from graphene.relay import Node
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from ..utils import DJANGO_FILTER_INSTALLED
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from ..compat import MissingType, JSONField
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from ..fields import DjangoConnectionField
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from ..types import DjangoObjectType
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from ..settings import graphene_settings
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from .models import Article, Reporter
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pytestmark = pytest.mark.django_db
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def test_should_query_only_fields():
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with raises(Exception):
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class ReporterType(DjangoObjectType):
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class Meta:
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model = Reporter
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only_fields = ('articles', )
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schema = graphene.Schema(query=ReporterType)
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query = '''
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query ReporterQuery {
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articles
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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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def test_should_query_simplelazy_objects():
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class ReporterType(DjangoObjectType):
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class Meta:
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model = Reporter
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only_fields = ('id', )
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class Query(graphene.ObjectType):
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reporter = graphene.Field(ReporterType)
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def resolve_reporter(self, info):
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return SimpleLazyObject(lambda: Reporter(id=1))
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schema = graphene.Schema(query=Query)
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query = '''
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query {
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reporter {
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id
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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 == {
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'reporter': {
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'id': '1'
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}
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}
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def test_should_query_well():
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class ReporterType(DjangoObjectType):
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class Meta:
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model = Reporter
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class Query(graphene.ObjectType):
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reporter = graphene.Field(ReporterType)
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def resolve_reporter(self, info):
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return Reporter(first_name='ABA', last_name='X')
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query = '''
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query ReporterQuery {
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reporter {
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firstName,
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lastName,
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email
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}
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}
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'''
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expected = {
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'reporter': {
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'firstName': 'ABA',
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'lastName': 'X',
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'email': ''
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}
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}
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schema = graphene.Schema(query=Query)
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result = schema.execute(query)
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assert not result.errors
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assert result.data == expected
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@pytest.mark.skipif(JSONField is MissingType,
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reason="RangeField should exist")
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def test_should_query_postgres_fields():
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from django.contrib.postgres.fields import IntegerRangeField, ArrayField, JSONField, HStoreField
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class Event(models.Model):
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ages = IntegerRangeField(help_text='The age ranges')
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data = JSONField(help_text='Data')
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store = HStoreField()
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tags = ArrayField(models.CharField(max_length=50))
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class EventType(DjangoObjectType):
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class Meta:
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model = Event
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class Query(graphene.ObjectType):
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event = graphene.Field(EventType)
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def resolve_event(self, info):
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return Event(
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ages=(0, 10),
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data={'angry_babies': True},
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store={'h': 'store'},
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tags=['child', 'angry', 'babies']
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)
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schema = graphene.Schema(query=Query)
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query = '''
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query myQuery {
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event {
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ages
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tags
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data
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store
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}
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}
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'''
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expected = {
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'event': {
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'ages': [0, 10],
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'tags': ['child', 'angry', 'babies'],
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'data': '{"angry_babies": true}',
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'store': '{"h": "store"}',
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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 == expected
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def test_should_node():
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# reset_global_registry()
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# Node._meta.registry = get_global_registry()
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class ReporterNode(DjangoObjectType):
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class Meta:
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model = Reporter
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interfaces = (Node, )
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@classmethod
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def get_node(cls, info, id):
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return Reporter(id=2, first_name='Cookie Monster')
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def resolve_articles(self, info, **args):
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return [Article(headline='Hi!')]
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class ArticleNode(DjangoObjectType):
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class Meta:
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model = Article
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interfaces = (Node, )
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@classmethod
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def get_node(cls, info, id):
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return Article(id=1, headline='Article node', pub_date=datetime.date(2002, 3, 11))
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class Query(graphene.ObjectType):
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node = Node.Field()
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reporter = graphene.Field(ReporterNode)
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article = graphene.Field(ArticleNode)
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def resolve_reporter(self, info):
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return Reporter(id=1, first_name='ABA', last_name='X')
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query = '''
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query ReporterQuery {
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reporter {
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id,
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firstName,
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articles {
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edges {
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node {
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headline
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}
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}
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}
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lastName,
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email
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}
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myArticle: node(id:"QXJ0aWNsZU5vZGU6MQ==") {
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id
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... on ReporterNode {
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firstName
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}
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... on ArticleNode {
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headline
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pubDate
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}
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}
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}
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'''
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expected = {
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'reporter': {
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'id': 'UmVwb3J0ZXJOb2RlOjE=',
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'firstName': 'ABA',
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'lastName': 'X',
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'email': '',
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'articles': {
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'edges': [{
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'node': {
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'headline': 'Hi!'
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}
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}]
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},
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},
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'myArticle': {
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'id': 'QXJ0aWNsZU5vZGU6MQ==',
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'headline': 'Article node',
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'pubDate': '2002-03-11',
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}
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}
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schema = graphene.Schema(query=Query)
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result = schema.execute(query)
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assert not result.errors
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assert result.data == expected
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def test_should_query_connectionfields():
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class ReporterType(DjangoObjectType):
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class Meta:
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model = Reporter
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interfaces = (Node, )
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only_fields = ('articles', )
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class Query(graphene.ObjectType):
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all_reporters = DjangoConnectionField(ReporterType)
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def resolve_all_reporters(self, info, **args):
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return [Reporter(id=1)]
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schema = graphene.Schema(query=Query)
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query = '''
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query ReporterConnectionQuery {
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allReporters {
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pageInfo {
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hasNextPage
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}
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edges {
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node {
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id
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}
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}
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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 == {
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'allReporters': {
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'pageInfo': {
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'hasNextPage': False,
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},
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'edges': [{
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'node': {
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'id': 'UmVwb3J0ZXJUeXBlOjE='
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}
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}]
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}
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}
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def test_should_keep_annotations():
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from django.db.models import (
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Count,
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Avg,
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)
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class ReporterType(DjangoObjectType):
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class Meta:
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model = Reporter
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interfaces = (Node, )
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only_fields = ('articles', )
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class ArticleType(DjangoObjectType):
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class Meta:
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model = Article
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interfaces = (Node, )
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filter_fields = ('lang', )
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class Query(graphene.ObjectType):
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all_reporters = DjangoConnectionField(ReporterType)
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all_articles = DjangoConnectionField(ArticleType)
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def resolve_all_reporters(self, info, **args):
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return Reporter.objects.annotate(articles_c=Count('articles')).order_by('articles_c')
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def resolve_all_articles(self, info, **args):
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return Article.objects.annotate(import_avg=Avg('importance')).order_by('import_avg')
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schema = graphene.Schema(query=Query)
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query = '''
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query ReporterConnectionQuery {
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allReporters {
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pageInfo {
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hasNextPage
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}
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edges {
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node {
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id
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}
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}
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}
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allArticles {
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pageInfo {
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hasNextPage
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}
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edges {
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node {
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id
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}
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}
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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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@pytest.mark.skipif(not DJANGO_FILTER_INSTALLED,
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reason="django-filter should be installed")
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def test_should_query_node_filtering():
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class ReporterType(DjangoObjectType):
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class Meta:
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model = Reporter
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interfaces = (Node, )
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class ArticleType(DjangoObjectType):
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class Meta:
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model = Article
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interfaces = (Node, )
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filter_fields = ('lang', )
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class Query(graphene.ObjectType):
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all_reporters = DjangoConnectionField(ReporterType)
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r = Reporter.objects.create(
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first_name='John',
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last_name='Doe',
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email='johndoe@example.com',
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a_choice=1
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)
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Article.objects.create(
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headline='Article Node 1',
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pub_date=datetime.date.today(),
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reporter=r,
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editor=r,
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lang='es'
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)
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Article.objects.create(
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headline='Article Node 2',
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pub_date=datetime.date.today(),
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reporter=r,
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editor=r,
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lang='en'
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)
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schema = graphene.Schema(query=Query)
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query = '''
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query NodeFilteringQuery {
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allReporters {
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edges {
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node {
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id
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articles(lang: "es") {
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edges {
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node {
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id
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}
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}
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}
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}
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}
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}
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}
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'''
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expected = {
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'allReporters': {
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'edges': [{
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'node': {
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'id': 'UmVwb3J0ZXJUeXBlOjE=',
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'articles': {
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'edges': [{
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'node': {
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'id': 'QXJ0aWNsZVR5cGU6MQ=='
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}
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}]
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}
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}
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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 == expected
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@pytest.mark.skipif(not DJANGO_FILTER_INSTALLED,
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reason="django-filter should be installed")
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def test_should_query_node_multiple_filtering():
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class ReporterType(DjangoObjectType):
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class Meta:
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model = Reporter
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interfaces = (Node, )
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class ArticleType(DjangoObjectType):
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class Meta:
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model = Article
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interfaces = (Node, )
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filter_fields = ('lang', 'headline')
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class Query(graphene.ObjectType):
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all_reporters = DjangoConnectionField(ReporterType)
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r = Reporter.objects.create(
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first_name='John',
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last_name='Doe',
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email='johndoe@example.com',
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a_choice=1
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)
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Article.objects.create(
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headline='Article Node 1',
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pub_date=datetime.date.today(),
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reporter=r,
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editor=r,
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lang='es'
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)
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Article.objects.create(
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headline='Article Node 2',
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pub_date=datetime.date.today(),
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reporter=r,
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editor=r,
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lang='es'
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)
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Article.objects.create(
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headline='Article Node 3',
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pub_date=datetime.date.today(),
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reporter=r,
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editor=r,
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lang='en'
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)
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schema = graphene.Schema(query=Query)
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query = '''
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query NodeFilteringQuery {
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allReporters {
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edges {
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node {
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id
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articles(lang: "es", headline: "Article Node 1") {
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edges {
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node {
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id
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}
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}
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}
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}
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}
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}
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}
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'''
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expected = {
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'allReporters': {
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'edges': [{
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'node': {
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'id': 'UmVwb3J0ZXJUeXBlOjE=',
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'articles': {
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'edges': [{
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'node': {
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'id': 'QXJ0aWNsZVR5cGU6MQ=='
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}
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}]
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}
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}
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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 == expected
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def test_should_enforce_first_or_last():
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graphene_settings.RELAY_CONNECTION_ENFORCE_FIRST_OR_LAST = True
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class ReporterType(DjangoObjectType):
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class Meta:
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model = Reporter
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interfaces = (Node, )
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class Query(graphene.ObjectType):
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all_reporters = DjangoConnectionField(ReporterType)
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r = Reporter.objects.create(
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first_name='John',
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last_name='Doe',
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email='johndoe@example.com',
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a_choice=1
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)
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schema = graphene.Schema(query=Query)
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query = '''
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query NodeFilteringQuery {
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allReporters {
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edges {
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node {
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id
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}
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}
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}
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}
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'''
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expected = {
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'allReporters': None
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}
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result = schema.execute(query)
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assert len(result.errors) == 1
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assert str(result.errors[0]) == (
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'You must provide a `first` or `last` value to properly '
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'paginate the `allReporters` connection.'
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)
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assert result.data == expected
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def test_should_error_if_first_is_greater_than_max():
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graphene_settings.RELAY_CONNECTION_MAX_LIMIT = 100
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class ReporterType(DjangoObjectType):
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class Meta:
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model = Reporter
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interfaces = (Node, )
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class Query(graphene.ObjectType):
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all_reporters = DjangoConnectionField(ReporterType)
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r = Reporter.objects.create(
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first_name='John',
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last_name='Doe',
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email='johndoe@example.com',
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a_choice=1
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)
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schema = graphene.Schema(query=Query)
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query = '''
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query NodeFilteringQuery {
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allReporters(first: 101) {
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edges {
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node {
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id
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}
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}
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}
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}
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'''
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expected = {
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'allReporters': None
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}
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result = schema.execute(query)
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assert len(result.errors) == 1
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assert str(result.errors[0]) == (
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'Requesting 101 records on the `allReporters` connection '
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'exceeds the `first` limit of 100 records.'
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)
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assert result.data == expected
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graphene_settings.RELAY_CONNECTION_ENFORCE_FIRST_OR_LAST = False
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def test_should_query_promise_connectionfields():
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from promise import Promise
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class ReporterType(DjangoObjectType):
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class Meta:
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model = Reporter
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interfaces = (Node, )
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class Query(graphene.ObjectType):
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all_reporters = DjangoConnectionField(ReporterType)
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def resolve_all_reporters(self, info, **args):
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return Promise.resolve([Reporter(id=1)])
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schema = graphene.Schema(query=Query)
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query = '''
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query ReporterPromiseConnectionQuery {
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allReporters(first: 1) {
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edges {
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node {
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id
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}
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}
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}
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}
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'''
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|
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expected = {
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'allReporters': {
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'edges': [{
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'node': {
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'id': 'UmVwb3J0ZXJUeXBlOjE='
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}
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}]
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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 == expected
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def test_should_query_dataloader_fields():
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from promise import Promise
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from promise.dataloader import DataLoader
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def article_batch_load_fn(keys):
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queryset = Article.objects.filter(reporter_id__in=keys)
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return Promise.resolve([
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[article for article in queryset if article.reporter_id == id]
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for id in keys
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])
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article_loader = DataLoader(article_batch_load_fn)
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class ArticleType(DjangoObjectType):
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class Meta:
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model = Article
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interfaces = (Node, )
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class ReporterType(DjangoObjectType):
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class Meta:
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model = Reporter
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interfaces = (Node, )
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use_connection = True
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articles = DjangoConnectionField(ArticleType)
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def resolve_articles(self, info, **args):
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return article_loader.load(self.id)
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class Query(graphene.ObjectType):
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all_reporters = DjangoConnectionField(ReporterType)
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r = Reporter.objects.create(
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first_name='John',
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last_name='Doe',
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email='johndoe@example.com',
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a_choice=1
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)
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Article.objects.create(
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headline='Article Node 1',
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pub_date=datetime.date.today(),
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reporter=r,
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editor=r,
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lang='es'
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)
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Article.objects.create(
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headline='Article Node 2',
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pub_date=datetime.date.today(),
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reporter=r,
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editor=r,
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lang='en'
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)
|
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|
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schema = graphene.Schema(query=Query)
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query = '''
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query ReporterPromiseConnectionQuery {
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allReporters(first: 1) {
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edges {
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node {
|
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id
|
|
articles(first: 2) {
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edges {
|
|
node {
|
|
headline
|
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}
|
|
}
|
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}
|
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}
|
|
}
|
|
}
|
|
}
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'''
|
|
|
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expected = {
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'allReporters': {
|
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'edges': [{
|
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'node': {
|
|
'id': 'UmVwb3J0ZXJUeXBlOjE=',
|
|
'articles': {
|
|
'edges': [{
|
|
'node': {
|
|
'headline': 'Article Node 1',
|
|
}
|
|
}, {
|
|
'node': {
|
|
'headline': 'Article Node 2'
|
|
}
|
|
}]
|
|
}
|
|
}
|
|
}]
|
|
}
|
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}
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|
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result = schema.execute(query)
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assert not result.errors
|
|
assert result.data == expected
|