mirror of
https://github.com/graphql-python/graphene-django.git
synced 2024-11-25 11:04:11 +03:00
Moved django-graphql-view and django-graphiql into graphene-django 😎
This commit is contained in:
parent
a4306c890b
commit
3aa929fdc9
14
.gitignore
vendored
14
.gitignore
vendored
|
@ -59,20 +59,6 @@ docs/_build/
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# PyBuilder
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target/
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/tests/django.sqlite
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/graphene/index.json
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/graphene/meta.json
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/meta.json
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/index.json
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/docs/playground/graphene-js/pypyjs-release-nojit/
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/docs/static/playground/lib
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/docs/static/playground
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# PyCharm
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.idea
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27
README.md
27
README.md
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@ -16,6 +16,33 @@ For instaling graphene, just run this command in your shell
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pip install "graphene-django>=1.0.dev"
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```
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### Settings
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```python
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INSTALLED_APPS = (
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# ...
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'graphene_django',
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)
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GRAPHENE = {
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'SCHEMA': 'app.schema.schema' # Where your Graphene schema lives
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}
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```
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### Urls
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We need to set up a `GraphQL` endpoint in our Django app, so we can serve the queries.
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```python
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from django.conf.urls import url
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from graphene_django.views import GraphQLView
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urlpatterns = [
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# ...
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url(r'^graphql', GraphQLView.as_view(graphiql=True)),
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]
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```
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## Examples
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Here is a simple Django model:
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30
README.rst
30
README.rst
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@ -20,6 +20,36 @@ For instaling graphene, just run this command in your shell
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pip install "graphene-django>=1.0.dev"
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Settings
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~~~~~~~~
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.. code:: python
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INSTALLED_APPS = (
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# ...
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'graphene_django',
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)
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GRAPHENE = {
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'SCHEMA': 'app.schema.schema' # Where your Graphene schema lives
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}
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Urls
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~~~~
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We need to set up a ``GraphQL`` endpoint in our Django app, so we can
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serve the queries.
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.. code:: python
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from django.conf.urls import url
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from graphene_django.views import GraphQLView
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urlpatterns = [
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# ...
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url(r'^graphql', GraphQLView.as_view(graphiql=True)),
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]
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Examples
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--------
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@ -18,3 +18,17 @@ DATABASES = {
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'NAME': 'django_test.sqlite',
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}
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}
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TEMPLATES = [
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{
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'BACKEND': 'django.template.backends.django.DjangoTemplates',
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'DIRS': [],
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'APP_DIRS': True,
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},
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]
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GRAPHENE = {
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'SCHEMA': 'graphene_django.tests.schema_view.schema'
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}
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ROOT_URLCONF = 'graphene_django.tests.urls'
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@ -37,7 +37,7 @@ INSTALLED_APPS = [
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'django.contrib.sessions',
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'django.contrib.messages',
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'django.contrib.staticfiles',
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'django_graphiql',
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'graphene_django',
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'cookbook.ingredients.apps.IngredientsConfig',
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'cookbook.recipes.apps.RecipesConfig',
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@ -54,6 +54,10 @@ MIDDLEWARE_CLASSES = [
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'django.middleware.clickjacking.XFrameOptionsMiddleware',
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]
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GRAPHENE = {
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'SCHEMA': 'cookbook.schema.schema'
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}
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ROOT_URLCONF = 'cookbook.urls'
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TEMPLATES = [
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@ -1,12 +1,10 @@
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from django.conf.urls import include, url
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from django.contrib import admin
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from django.views.decorators.csrf import csrf_exempt
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from cookbook.schema import schema
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from graphene_django.views import GraphQLView
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urlpatterns = [
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url(r'^admin/', admin.site.urls),
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url(r'^graphql', csrf_exempt(GraphQLView.as_view(schema=schema))),
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url(r'^graphiql', include('django_graphiql.urls')),
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url(r'^graphql', GraphQLView.as_view(graphiql=True)),
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]
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@ -6,6 +6,8 @@ from optparse import make_option
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from django import get_version as get_django_version
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from django.core.management.base import BaseCommand, CommandError
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from graphene_django.settings import graphene_settings
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LT_DJANGO_1_8 = StrictVersion(get_django_version()) < StrictVersion('1.8')
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if LT_DJANGO_1_8:
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@ -16,7 +18,7 @@ if LT_DJANGO_1_8:
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type=str,
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dest='schema',
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default='',
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help='Django app containing schema to dump, e.g. myproject.core.schema',
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help='Django app containing schema to dump, e.g. myproject.core.schema.schema',
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),
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make_option(
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'--out',
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@ -35,14 +37,14 @@ else:
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'--schema',
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type=str,
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dest='schema',
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default=getattr(settings, 'GRAPHENE_SCHEMA', ''),
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help='Django app containing schema to dump, e.g. myproject.core.schema')
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default=graphene_settings.SCHEMA,
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help='Django app containing schema to dump, e.g. myproject.core.schema.schema')
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parser.add_argument(
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'--out',
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type=str,
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dest='out',
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default=getattr(settings, 'GRAPHENE_SCHEMA_OUTPUT', 'schema.json'),
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default=graphene_settings.SCHEMA_OUTPUT,
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help='Output file (default: schema.json)')
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@ -56,14 +58,18 @@ class Command(CommandArguments):
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def handle(self, *args, **options):
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from django.conf import settings
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schema = options.get('schema') or getattr(settings, 'GRAPHENE_SCHEMA', '')
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out = options.get('out') or getattr(settings, 'GRAPHENE_SCHEMA_OUTPUT', 'schema.json')
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options_schema = options.get('schema')
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if options_schema:
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schema = importlib.import_module(options_schema)
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else:
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schema = graphene_settings.SCHEMA
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if schema == '':
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raise CommandError('Specify schema on GRAPHENE_SCHEMA setting or by using --schema')
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i = importlib.import_module(schema)
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out = options.get('out') or graphene_settings.SCHEMA_OUTPUT
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schema_dict = {'data': i.schema.introspect()}
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if not schema:
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raise CommandError('Specify schema on GRAPHENE.SCHEMA setting or by using --schema')
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schema_dict = {'data': schema.introspect()}
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self.save_file(out, schema_dict)
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style = getattr(self, 'style', None)
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127
graphene_django/settings.py
Normal file
127
graphene_django/settings.py
Normal file
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"""
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Settings for Graphene are all namespaced in the GRAPHENE setting.
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For example your project's `settings.py` file might look like this:
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GRAPHENE = {
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'SCHEMA': 'my_app.schema.schema'
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'MIDDLEWARE': (
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'graphene_django.debug.DjangoDebugMiddleware',
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)
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}
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This module provides the `graphene_settings` object, that is used to access
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Graphene settings, checking for user settings first, then falling
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back to the defaults.
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"""
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from __future__ import unicode_literals
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from django.conf import settings
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from django.test.signals import setting_changed
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from django.utils import six
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try:
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import importlib # Available in Python 3.1+
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except ImportError:
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from django.utils import importlib # Will be removed in Django 1.9
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# Copied shamelessly from Django REST Framework
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DEFAULTS = {
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'SCHEMA': None,
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'SCHEMA_OUTPUT': 'schema.json',
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'MIDDLEWARE': (),
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}
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if settings.DEBUG:
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DEFAULTS['MIDDLEWARE'] += (
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'graphene_django.debug.DjangoDebugMiddleware',
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)
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# List of settings that may be in string import notation.
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IMPORT_STRINGS = (
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'MIDDLEWARE',
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'SCHEMA',
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)
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def perform_import(val, setting_name):
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"""
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If the given setting is a string import notation,
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then perform the necessary import or imports.
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"""
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if val is None:
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return None
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elif isinstance(val, six.string_types):
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return import_from_string(val, setting_name)
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elif isinstance(val, (list, tuple)):
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return [import_from_string(item, setting_name) for item in val]
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return val
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def import_from_string(val, setting_name):
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"""
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Attempt to import a class from a string representation.
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"""
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try:
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# Nod to tastypie's use of importlib.
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parts = val.split('.')
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module_path, class_name = '.'.join(parts[:-1]), parts[-1]
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module = importlib.import_module(module_path)
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return getattr(module, class_name)
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except (ImportError, AttributeError) as e:
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msg = "Could not import '%s' for Graphene setting '%s'. %s: %s." % (val, setting_name, e.__class__.__name__, e)
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raise ImportError(msg)
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class GrapheneSettings(object):
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"""
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A settings object, that allows API settings to be accessed as properties.
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For example:
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from graphene_django.settings import settings
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print(settings.SCHEMA)
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Any setting with string import paths will be automatically resolved
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and return the class, rather than the string literal.
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"""
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def __init__(self, user_settings=None, defaults=None, import_strings=None):
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if user_settings:
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self._user_settings = user_settings
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self.defaults = defaults or DEFAULTS
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self.import_strings = import_strings or IMPORT_STRINGS
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@property
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def user_settings(self):
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if not hasattr(self, '_user_settings'):
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self._user_settings = getattr(settings, 'GRAPHENE', {})
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return self._user_settings
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def __getattr__(self, attr):
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if attr not in self.defaults:
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raise AttributeError("Invalid Graphene setting: '%s'" % attr)
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try:
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# Check if present in user settings
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val = self.user_settings[attr]
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except KeyError:
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# Fall back to defaults
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val = self.defaults[attr]
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# Coerce import strings into classes
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if attr in self.import_strings:
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val = perform_import(val, attr)
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# Cache the result
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setattr(self, attr, val)
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return val
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graphene_settings = GrapheneSettings(None, DEFAULTS, IMPORT_STRINGS)
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def reload_graphene_settings(*args, **kwargs):
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global graphene_settings
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setting, value = kwargs['setting'], kwargs['value']
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if setting == 'GRAPHENE':
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graphene_settings = GrapheneSettings(value, DEFAULTS, IMPORT_STRINGS)
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setting_changed.connect(reload_graphene_settings)
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123
graphene_django/templates/graphene/graphiql.html
Normal file
123
graphene_django/templates/graphene/graphiql.html
Normal file
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<!--
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The request to this GraphQL server provided the header "Accept: text/html"
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and as a result has been presented GraphiQL - an in-browser IDE for
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exploring GraphQL.
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If you wish to receive JSON, provide the header "Accept: application/json" or
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add "&raw" to the end of the URL within a browser.
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-->
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<!DOCTYPE html>
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<html>
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<head>
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<style>
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html, body {
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height: 100%;
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margin: 0;
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overflow: hidden;
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width: 100%;
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}
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</style>
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<link href="//cdn.jsdelivr.net/graphiql/{{graphiql_version}}/graphiql.css" rel="stylesheet" />
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<script src="//cdn.jsdelivr.net/fetch/0.9.0/fetch.min.js"></script>
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<script src="//cdn.jsdelivr.net/react/15.0.1/react.min.js"></script>
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<script src="//cdn.jsdelivr.net/react/15.0.1/react-dom.min.js"></script>
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<script src="//cdn.jsdelivr.net/graphiql/{{graphiql_version}}/graphiql.min.js"></script>
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</head>
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<body>
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<script>
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// Parse the cookie value for a CSRF token
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var csrftoken;
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var cookies = ('; ' + document.cookie).split('; csrftoken=');
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if (cookies.length == 2)
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csrftoken = cookies.pop().split(';').shift();
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// Collect the URL parameters
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var parameters = {};
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window.location.search.substr(1).split('&').forEach(function (entry) {
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var eq = entry.indexOf('=');
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if (eq >= 0) {
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parameters[decodeURIComponent(entry.slice(0, eq))] =
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decodeURIComponent(entry.slice(eq + 1));
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}
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});
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// Produce a Location query string from a parameter object.
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function locationQuery(params) {
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return '?' + Object.keys(params).map(function (key) {
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return encodeURIComponent(key) + '=' +
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encodeURIComponent(params[key]);
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}).join('&');
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}
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// Derive a fetch URL from the current URL, sans the GraphQL parameters.
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var graphqlParamNames = {
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query: true,
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variables: true,
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operationName: true
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};
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var otherParams = {};
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for (var k in parameters) {
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if (parameters.hasOwnProperty(k) && graphqlParamNames[k] !== true) {
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otherParams[k] = parameters[k];
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}
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}
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var fetchURL = locationQuery(otherParams);
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// Defines a GraphQL fetcher using the fetch API.
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function graphQLFetcher(graphQLParams) {
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var headers = {
|
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'Accept': 'application/json',
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'Content-Type': 'application/json'
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};
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if (csrftoken) {
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headers['X-CSRFToken'] = csrftoken;
|
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}
|
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return fetch(fetchURL, {
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method: 'post',
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headers: headers,
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body: JSON.stringify(graphQLParams),
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credentials: 'include',
|
||||
}).then(function (response) {
|
||||
return response.text();
|
||||
}).then(function (responseBody) {
|
||||
try {
|
||||
return JSON.parse(responseBody);
|
||||
} catch (error) {
|
||||
return responseBody;
|
||||
}
|
||||
});
|
||||
}
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// When the query and variables string is edited, update the URL bar so
|
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// that it can be easily shared.
|
||||
function onEditQuery(newQuery) {
|
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parameters.query = newQuery;
|
||||
updateURL();
|
||||
}
|
||||
function onEditVariables(newVariables) {
|
||||
parameters.variables = newVariables;
|
||||
updateURL();
|
||||
}
|
||||
function onEditOperationName(newOperationName) {
|
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parameters.operationName = newOperationName;
|
||||
updateURL();
|
||||
}
|
||||
function updateURL() {
|
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history.replaceState(null, null, locationQuery(parameters));
|
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}
|
||||
// Render <GraphiQL /> into the body.
|
||||
ReactDOM.render(
|
||||
React.createElement(GraphiQL, {
|
||||
fetcher: graphQLFetcher,
|
||||
onEditQuery: onEditQuery,
|
||||
onEditVariables: onEditVariables,
|
||||
onEditOperationName: onEditOperationName,
|
||||
query: '{{ query|escapejs }}',
|
||||
response: '{{ result|escapejs }}',
|
||||
{% if variables %}
|
||||
variables: '{{ variables|escapejs }}',
|
||||
{% endif %}
|
||||
{% if operationName %}
|
||||
operationName: '{{ operation_name|escapejs }}',
|
||||
{% endif %}
|
||||
}),
|
||||
document.body
|
||||
);
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
32
graphene_django/tests/schema_view.py
Normal file
32
graphene_django/tests/schema_view.py
Normal file
|
@ -0,0 +1,32 @@
|
|||
import graphene
|
||||
from graphene import Schema, ObjectType, relay
|
||||
|
||||
from ..types import DjangoObjectType
|
||||
from .models import Article, Reporter
|
||||
|
||||
|
||||
class QueryRoot(ObjectType):
|
||||
|
||||
thrower = graphene.String(required=True)
|
||||
request = graphene.String(required=True)
|
||||
test = graphene.String(who=graphene.String())
|
||||
|
||||
def resolve_thrower(self, args, context, info):
|
||||
raise Exception("Throws!")
|
||||
|
||||
def resolve_request(self, args, context, info):
|
||||
request = context
|
||||
return request.GET.get('q')
|
||||
|
||||
def resolve_test(self, args, context, info):
|
||||
return 'Hello %s' % (args.get('who') or 'World')
|
||||
|
||||
|
||||
class MutationRoot(ObjectType):
|
||||
write_test = graphene.Field(QueryRoot)
|
||||
|
||||
def resolve_write_test(self, args, context, info):
|
||||
return QueryRoot()
|
||||
|
||||
|
||||
schema = Schema(query=QueryRoot, mutation=MutationRoot)
|
|
@ -5,7 +5,6 @@ from six import StringIO
|
|||
|
||||
@patch('graphene_django.management.commands.graphql_schema.Command.save_file')
|
||||
def test_generate_file_on_call_graphql_schema(savefile_mock, settings):
|
||||
settings.GRAPHENE_SCHEMA = 'graphene_django.tests.schema'
|
||||
out = StringIO()
|
||||
management.call_command('graphql_schema', schema='', stdout=out)
|
||||
assert "Successfully dumped GraphQL schema to schema.json" in out.getvalue()
|
||||
|
|
|
@ -1,57 +1,421 @@
|
|||
import pytest
|
||||
import json
|
||||
|
||||
try:
|
||||
from urllib import urlencode
|
||||
except ImportError:
|
||||
from urllib.parse import urlencode
|
||||
|
||||
def format_response(response):
|
||||
|
||||
def url_string(**url_params):
|
||||
string = '/graphql'
|
||||
|
||||
if url_params:
|
||||
string += '?' + urlencode(url_params)
|
||||
|
||||
return string
|
||||
|
||||
|
||||
def response_json(response):
|
||||
return json.loads(response.content.decode())
|
||||
|
||||
|
||||
def test_client_get_good_query(settings, client):
|
||||
settings.ROOT_URLCONF = 'graphene_django.tests.urls'
|
||||
response = client.get('/graphql', {'query': '{ human { headline } }'})
|
||||
json_response = format_response(response)
|
||||
expected_json = {
|
||||
j = lambda **kwargs: json.dumps(kwargs)
|
||||
|
||||
|
||||
def test_graphiql_is_enabled(client):
|
||||
response = client.get(url_string(), HTTP_ACCEPT='text/html')
|
||||
assert response.status_code == 200
|
||||
|
||||
|
||||
def test_allows_get_with_query_param(client):
|
||||
response = client.get(url_string(query='{test}'))
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {'test': "Hello World"}
|
||||
}
|
||||
|
||||
|
||||
def test_allows_get_with_variable_values(client):
|
||||
response = client.get(url_string(
|
||||
query='query helloWho($who: String){ test(who: $who) }',
|
||||
variables=json.dumps({'who': "Dolly"})
|
||||
))
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {'test': "Hello Dolly"}
|
||||
}
|
||||
|
||||
|
||||
def test_allows_get_with_operation_name(client):
|
||||
response = client.get(url_string(
|
||||
query='''
|
||||
query helloYou { test(who: "You"), ...shared }
|
||||
query helloWorld { test(who: "World"), ...shared }
|
||||
query helloDolly { test(who: "Dolly"), ...shared }
|
||||
fragment shared on QueryRoot {
|
||||
shared: test(who: "Everyone")
|
||||
}
|
||||
''',
|
||||
operationName='helloWorld'
|
||||
))
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {
|
||||
'human': {
|
||||
'headline': None
|
||||
}
|
||||
'test': 'Hello World',
|
||||
'shared': 'Hello Everyone'
|
||||
}
|
||||
}
|
||||
assert json_response == expected_json
|
||||
|
||||
|
||||
def test_client_get_good_query_with_raise(settings, client):
|
||||
settings.ROOT_URLCONF = 'graphene_django.tests.urls'
|
||||
response = client.get('/graphql', {'query': '{ human { raises } }'})
|
||||
json_response = format_response(response)
|
||||
assert json_response['errors'][0]['message'] == 'This field should raise exception'
|
||||
assert json_response['data']['human']['raises'] is None
|
||||
def test_reports_validation_errors(client):
|
||||
response = client.get(url_string(
|
||||
query='{ test, unknownOne, unknownTwo }'
|
||||
))
|
||||
|
||||
|
||||
def test_client_post_good_query_json(settings, client):
|
||||
settings.ROOT_URLCONF = 'graphene_django.tests.urls'
|
||||
response = client.post(
|
||||
'/graphql', json.dumps({'query': '{ human { headline } }'}), 'application/json')
|
||||
json_response = format_response(response)
|
||||
expected_json = {
|
||||
'data': {
|
||||
'human': {
|
||||
'headline': None
|
||||
assert response.status_code == 400
|
||||
assert response_json(response) == {
|
||||
'errors': [
|
||||
{
|
||||
'message': 'Cannot query field "unknownOne" on type "QueryRoot".',
|
||||
'locations': [{'line': 1, 'column': 9}]
|
||||
},
|
||||
{
|
||||
'message': 'Cannot query field "unknownTwo" on type "QueryRoot".',
|
||||
'locations': [{'line': 1, 'column': 21}]
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
|
||||
def test_errors_when_missing_operation_name(client):
|
||||
response = client.get(url_string(
|
||||
query='''
|
||||
query TestQuery { test }
|
||||
mutation TestMutation { writeTest { test } }
|
||||
'''
|
||||
))
|
||||
|
||||
assert response.status_code == 400
|
||||
assert response_json(response) == {
|
||||
'errors': [
|
||||
{
|
||||
'message': 'Must provide operation name if query contains multiple operations.'
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
|
||||
def test_errors_when_sending_a_mutation_via_get(client):
|
||||
response = client.get(url_string(
|
||||
query='''
|
||||
mutation TestMutation { writeTest { test } }
|
||||
'''
|
||||
))
|
||||
assert response.status_code == 405
|
||||
assert response_json(response) == {
|
||||
'errors': [
|
||||
{
|
||||
'message': 'Can only perform a mutation operation from a POST request.'
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
|
||||
def test_errors_when_selecting_a_mutation_within_a_get(client):
|
||||
response = client.get(url_string(
|
||||
query='''
|
||||
query TestQuery { test }
|
||||
mutation TestMutation { writeTest { test } }
|
||||
''',
|
||||
operationName='TestMutation'
|
||||
))
|
||||
|
||||
assert response.status_code == 405
|
||||
assert response_json(response) == {
|
||||
'errors': [
|
||||
{
|
||||
'message': 'Can only perform a mutation operation from a POST request.'
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
|
||||
def test_allows_mutation_to_exist_within_a_get(client):
|
||||
response = client.get(url_string(
|
||||
query='''
|
||||
query TestQuery { test }
|
||||
mutation TestMutation { writeTest { test } }
|
||||
''',
|
||||
operationName='TestQuery'
|
||||
))
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {'test': "Hello World"}
|
||||
}
|
||||
|
||||
|
||||
def test_allows_post_with_json_encoding(client):
|
||||
response = client.post(url_string(), j(query='{test}'), 'application/json')
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {'test': "Hello World"}
|
||||
}
|
||||
|
||||
|
||||
def test_allows_sending_a_mutation_via_post(client):
|
||||
response = client.post(url_string(), j(query='mutation TestMutation { writeTest { test } }'), 'application/json')
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {'writeTest': {'test': 'Hello World'}}
|
||||
}
|
||||
|
||||
|
||||
def test_allows_post_with_url_encoding(client):
|
||||
response = client.post(url_string(), urlencode(dict(query='{test}')), 'application/x-www-form-urlencoded')
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {'test': "Hello World"}
|
||||
}
|
||||
|
||||
|
||||
def test_supports_post_json_query_with_string_variables(client):
|
||||
response = client.post(url_string(), j(
|
||||
query='query helloWho($who: String){ test(who: $who) }',
|
||||
variables=json.dumps({'who': "Dolly"})
|
||||
), 'application/json')
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {'test': "Hello Dolly"}
|
||||
}
|
||||
|
||||
|
||||
def test_supports_post_json_query_with_json_variables(client):
|
||||
response = client.post(url_string(), j(
|
||||
query='query helloWho($who: String){ test(who: $who) }',
|
||||
variables={'who': "Dolly"}
|
||||
), 'application/json')
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {'test': "Hello Dolly"}
|
||||
}
|
||||
|
||||
|
||||
def test_supports_post_url_encoded_query_with_string_variables(client):
|
||||
response = client.post(url_string(), urlencode(dict(
|
||||
query='query helloWho($who: String){ test(who: $who) }',
|
||||
variables=json.dumps({'who': "Dolly"})
|
||||
)), 'application/x-www-form-urlencoded')
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {'test': "Hello Dolly"}
|
||||
}
|
||||
|
||||
|
||||
def test_supports_post_json_quey_with_get_variable_values(client):
|
||||
response = client.post(url_string(
|
||||
variables=json.dumps({'who': "Dolly"})
|
||||
), j(
|
||||
query='query helloWho($who: String){ test(who: $who) }',
|
||||
), 'application/json')
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {'test': "Hello Dolly"}
|
||||
}
|
||||
|
||||
|
||||
def test_post_url_encoded_query_with_get_variable_values(client):
|
||||
response = client.post(url_string(
|
||||
variables=json.dumps({'who': "Dolly"})
|
||||
), urlencode(dict(
|
||||
query='query helloWho($who: String){ test(who: $who) }',
|
||||
)), 'application/x-www-form-urlencoded')
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {'test': "Hello Dolly"}
|
||||
}
|
||||
|
||||
|
||||
def test_supports_post_raw_text_query_with_get_variable_values(client):
|
||||
response = client.post(url_string(
|
||||
variables=json.dumps({'who': "Dolly"})
|
||||
),
|
||||
'query helloWho($who: String){ test(who: $who) }',
|
||||
'application/graphql'
|
||||
)
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {'test': "Hello Dolly"}
|
||||
}
|
||||
|
||||
|
||||
def test_allows_post_with_operation_name(client):
|
||||
response = client.post(url_string(), j(
|
||||
query='''
|
||||
query helloYou { test(who: "You"), ...shared }
|
||||
query helloWorld { test(who: "World"), ...shared }
|
||||
query helloDolly { test(who: "Dolly"), ...shared }
|
||||
fragment shared on QueryRoot {
|
||||
shared: test(who: "Everyone")
|
||||
}
|
||||
''',
|
||||
operationName='helloWorld'
|
||||
), 'application/json')
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {
|
||||
'test': 'Hello World',
|
||||
'shared': 'Hello Everyone'
|
||||
}
|
||||
}
|
||||
assert json_response == expected_json
|
||||
|
||||
|
||||
def test_client_post_good_query_graphql(settings, client):
|
||||
settings.ROOT_URLCONF = 'graphene_django.tests.urls'
|
||||
response = client.post(
|
||||
'/graphql', '{ human { headline } }', 'application/graphql')
|
||||
json_response = format_response(response)
|
||||
expected_json = {
|
||||
def test_allows_post_with_get_operation_name(client):
|
||||
response = client.post(url_string(
|
||||
operationName='helloWorld'
|
||||
), '''
|
||||
query helloYou { test(who: "You"), ...shared }
|
||||
query helloWorld { test(who: "World"), ...shared }
|
||||
query helloDolly { test(who: "Dolly"), ...shared }
|
||||
fragment shared on QueryRoot {
|
||||
shared: test(who: "Everyone")
|
||||
}
|
||||
''',
|
||||
'application/graphql')
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {
|
||||
'human': {
|
||||
'headline': None
|
||||
}
|
||||
'test': 'Hello World',
|
||||
'shared': 'Hello Everyone'
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@pytest.mark.urls('tests.urls_pretty')
|
||||
def test_supports_pretty_printing(client):
|
||||
response = client.get(url_string(query='{test}'))
|
||||
|
||||
assert response.content.decode() == (
|
||||
'{\n'
|
||||
' "data": {\n'
|
||||
' "test": "Hello World"\n'
|
||||
' }\n'
|
||||
'}'
|
||||
)
|
||||
|
||||
|
||||
def test_supports_pretty_printing_by_request(client):
|
||||
response = client.get(url_string(query='{test}', pretty='1'))
|
||||
|
||||
assert response.content.decode() == (
|
||||
'{\n'
|
||||
' "data": {\n'
|
||||
' "test": "Hello World"\n'
|
||||
' }\n'
|
||||
'}'
|
||||
)
|
||||
|
||||
|
||||
def test_handles_field_errors_caught_by_graphql(client):
|
||||
response = client.get(url_string(query='{thrower}'))
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': None,
|
||||
'errors': [{'locations': [{'column': 2, 'line': 1}], 'message': 'Throws!'}]
|
||||
}
|
||||
|
||||
|
||||
def test_handles_syntax_errors_caught_by_graphql(client):
|
||||
response = client.get(url_string(query='syntaxerror'))
|
||||
assert response.status_code == 400
|
||||
assert response_json(response) == {
|
||||
'errors': [{'locations': [{'column': 1, 'line': 1}],
|
||||
'message': 'Syntax Error GraphQL request (1:1) '
|
||||
'Unexpected Name "syntaxerror"\n\n1: syntaxerror\n ^\n'}]
|
||||
}
|
||||
|
||||
|
||||
def test_handles_errors_caused_by_a_lack_of_query(client):
|
||||
response = client.get(url_string())
|
||||
|
||||
assert response.status_code == 400
|
||||
assert response_json(response) == {
|
||||
'errors': [{'message': 'Must provide query string.'}]
|
||||
}
|
||||
|
||||
|
||||
def test_handles_invalid_json_bodies(client):
|
||||
response = client.post(url_string(), '[]', 'application/json')
|
||||
|
||||
assert response.status_code == 400
|
||||
assert response_json(response) == {
|
||||
'errors': [{'message': 'POST body sent invalid JSON.'}]
|
||||
}
|
||||
|
||||
|
||||
def test_handles_incomplete_json_bodies(client):
|
||||
response = client.post(url_string(), '{"query":', 'application/json')
|
||||
|
||||
assert response.status_code == 400
|
||||
assert response_json(response) == {
|
||||
'errors': [{'message': 'POST body sent invalid JSON.'}]
|
||||
}
|
||||
|
||||
|
||||
def test_handles_plain_post_text(client):
|
||||
response = client.post(url_string(
|
||||
variables=json.dumps({'who': "Dolly"})
|
||||
),
|
||||
'query helloWho($who: String){ test(who: $who) }',
|
||||
'text/plain'
|
||||
)
|
||||
assert response.status_code == 400
|
||||
assert response_json(response) == {
|
||||
'errors': [{'message': 'Must provide query string.'}]
|
||||
}
|
||||
|
||||
|
||||
def test_handles_poorly_formed_variables(client):
|
||||
response = client.get(url_string(
|
||||
query='query helloWho($who: String){ test(who: $who) }',
|
||||
variables='who:You'
|
||||
))
|
||||
assert response.status_code == 400
|
||||
assert response_json(response) == {
|
||||
'errors': [{'message': 'Variables are invalid JSON.'}]
|
||||
}
|
||||
|
||||
|
||||
def test_handles_unsupported_http_methods(client):
|
||||
response = client.put(url_string(query='{test}'))
|
||||
assert response.status_code == 405
|
||||
assert response['Allow'] == 'GET, POST'
|
||||
assert response_json(response) == {
|
||||
'errors': [{'message': 'GraphQL only supports GET and POST requests.'}]
|
||||
}
|
||||
|
||||
|
||||
def test_passes_request_into_context_request(client):
|
||||
response = client.get(url_string(query='{request}', q='testing'))
|
||||
|
||||
assert response.status_code == 200
|
||||
assert response_json(response) == {
|
||||
'data': {
|
||||
'request': 'testing'
|
||||
}
|
||||
}
|
||||
assert json_response == expected_json
|
||||
|
|
|
@ -1,8 +1,7 @@
|
|||
from django.conf.urls import url
|
||||
|
||||
from ..views import GraphQLView
|
||||
from .schema import schema
|
||||
|
||||
urlpatterns = [
|
||||
url(r'^graphql', GraphQLView.as_view(schema=schema)),
|
||||
url(r'^graphql', GraphQLView.as_view(graphiql=True)),
|
||||
]
|
||||
|
|
|
@ -1,10 +1,252 @@
|
|||
from graphql_django_view import GraphQLView as BaseGraphQLView
|
||||
import re
|
||||
import json
|
||||
import six
|
||||
|
||||
from django.http import HttpResponse, HttpResponseNotAllowed
|
||||
from django.http.response import HttpResponseBadRequest
|
||||
from django.views.generic import View
|
||||
from django.shortcuts import render
|
||||
|
||||
from graphql import Source, parse, execute, validate
|
||||
from graphql.error import GraphQLError, format_error as format_graphql_error
|
||||
from graphql.execution import ExecutionResult
|
||||
from graphql.type.schema import GraphQLSchema
|
||||
from graphql.execution.middleware import MiddlewareManager
|
||||
from graphql.utils.get_operation_ast import get_operation_ast
|
||||
|
||||
from .settings import graphene_settings
|
||||
|
||||
|
||||
class GraphQLView(BaseGraphQLView):
|
||||
class HttpError(Exception):
|
||||
def __init__(self, response, message=None, *args, **kwargs):
|
||||
self.response = response
|
||||
self.message = message = message or response.content.decode()
|
||||
super(HttpError, self).__init__(message, *args, **kwargs)
|
||||
|
||||
def __init__(self, schema, **kwargs):
|
||||
super(GraphQLView, self).__init__(
|
||||
schema=schema,
|
||||
**kwargs
|
||||
)
|
||||
|
||||
def get_accepted_content_types(request):
|
||||
def qualify(x):
|
||||
parts = x.split(';', 1)
|
||||
if len(parts) == 2:
|
||||
match = re.match(r'(^|;)q=(0(\.\d{,3})?|1(\.0{,3})?)(;|$)',
|
||||
parts[1])
|
||||
if match:
|
||||
return parts[0], float(match.group(2))
|
||||
return parts[0], 1
|
||||
|
||||
raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
|
||||
qualified_content_types = map(qualify, raw_content_types)
|
||||
return list(x[0] for x in sorted(qualified_content_types,
|
||||
key=lambda x: x[1], reverse=True))
|
||||
|
||||
|
||||
class GraphQLView(View):
|
||||
graphiql_version = '0.7.8'
|
||||
graphiql_template = 'graphene/graphiql.html'
|
||||
|
||||
graphiql = False
|
||||
executor = None
|
||||
middleware = None
|
||||
root_value = None
|
||||
pretty = False
|
||||
|
||||
def __init__(self, schema=None, executor=None, middleware=None, root_value=None, graphiql=False, pretty=False):
|
||||
if not schema:
|
||||
schema = graphene_settings.SCHEMA
|
||||
|
||||
if middleware is None:
|
||||
middleware = graphene_settings.MIDDLEWARE
|
||||
|
||||
self.schema = schema
|
||||
self.middleware = MiddlewareManager(middleware)
|
||||
self.executor = executor
|
||||
self.root_value = root_value
|
||||
self.pretty = pretty
|
||||
self.graphiql = graphiql
|
||||
|
||||
assert isinstance(self.schema, GraphQLSchema), 'A Schema is required to be provided to GraphQLView.'
|
||||
|
||||
# noinspection PyUnusedLocal
|
||||
def get_root_value(self, request):
|
||||
return self.root_value
|
||||
|
||||
def get_middleware(self, request):
|
||||
return self.middleware
|
||||
|
||||
def get_context(self, request):
|
||||
return request
|
||||
|
||||
def dispatch(self, request, *args, **kwargs):
|
||||
try:
|
||||
if request.method.lower() not in ('get', 'post'):
|
||||
raise HttpError(HttpResponseNotAllowed(['GET', 'POST'], 'GraphQL only supports GET and POST requests.'))
|
||||
|
||||
data = self.parse_body(request)
|
||||
show_graphiql = self.graphiql and self.can_display_graphiql(request, data)
|
||||
|
||||
query, variables, operation_name = self.get_graphql_params(request, data)
|
||||
|
||||
execution_result = self.execute_graphql_request(
|
||||
request,
|
||||
data,
|
||||
query,
|
||||
variables,
|
||||
operation_name,
|
||||
show_graphiql
|
||||
)
|
||||
|
||||
if execution_result:
|
||||
response = {}
|
||||
|
||||
if execution_result.errors:
|
||||
response['errors'] = [self.format_error(e) for e in execution_result.errors]
|
||||
|
||||
if execution_result.invalid:
|
||||
status_code = 400
|
||||
else:
|
||||
status_code = 200
|
||||
response['data'] = execution_result.data
|
||||
|
||||
result = self.json_encode(request, response, pretty=show_graphiql)
|
||||
else:
|
||||
result = None
|
||||
|
||||
if show_graphiql:
|
||||
return self.render_graphiql(
|
||||
request,
|
||||
graphiql_version=self.graphiql_version,
|
||||
query=query or '',
|
||||
variables=variables or '',
|
||||
operation_name=operation_name or '',
|
||||
result=result or ''
|
||||
)
|
||||
|
||||
return HttpResponse(
|
||||
status=status_code,
|
||||
content=result,
|
||||
content_type='application/json'
|
||||
)
|
||||
|
||||
except HttpError as e:
|
||||
response = e.response
|
||||
response['Content-Type'] = 'application/json'
|
||||
response.content = self.json_encode(request, {
|
||||
'errors': [self.format_error(e)]
|
||||
})
|
||||
return response
|
||||
|
||||
def render_graphiql(self, request, **data):
|
||||
return render(request, self.graphiql_template, data)
|
||||
|
||||
def json_encode(self, request, d, pretty=False):
|
||||
if not (self.pretty or pretty) and not request.GET.get('pretty'):
|
||||
return json.dumps(d, separators=(',', ':'))
|
||||
|
||||
return json.dumps(d, sort_keys=True,
|
||||
indent=2, separators=(',', ': '))
|
||||
|
||||
# noinspection PyBroadException
|
||||
def parse_body(self, request):
|
||||
content_type = self.get_content_type(request)
|
||||
|
||||
if content_type == 'application/graphql':
|
||||
return {'query': request.body.decode()}
|
||||
|
||||
elif content_type == 'application/json':
|
||||
try:
|
||||
request_json = json.loads(request.body.decode('utf-8'))
|
||||
assert isinstance(request_json, dict)
|
||||
return request_json
|
||||
except:
|
||||
raise HttpError(HttpResponseBadRequest('POST body sent invalid JSON.'))
|
||||
|
||||
elif content_type in ['application/x-www-form-urlencoded', 'multipart/form-data']:
|
||||
return request.POST
|
||||
|
||||
return {}
|
||||
|
||||
def execute(self, *args, **kwargs):
|
||||
return execute(self.schema, *args, **kwargs)
|
||||
|
||||
def execute_graphql_request(self, request, data, query, variables, operation_name, show_graphiql=False):
|
||||
if not query:
|
||||
if show_graphiql:
|
||||
return None
|
||||
raise HttpError(HttpResponseBadRequest('Must provide query string.'))
|
||||
|
||||
source = Source(query, name='GraphQL request')
|
||||
|
||||
try:
|
||||
document_ast = parse(source)
|
||||
validation_errors = validate(self.schema, document_ast)
|
||||
if validation_errors:
|
||||
return ExecutionResult(
|
||||
errors=validation_errors,
|
||||
invalid=True,
|
||||
)
|
||||
except Exception as e:
|
||||
return ExecutionResult(errors=[e], invalid=True)
|
||||
|
||||
if request.method.lower() == 'get':
|
||||
operation_ast = get_operation_ast(document_ast, operation_name)
|
||||
if operation_ast and operation_ast.operation != 'query':
|
||||
if show_graphiql:
|
||||
return None
|
||||
|
||||
raise HttpError(HttpResponseNotAllowed(
|
||||
['POST'], 'Can only perform a {} operation from a POST request.'.format(operation_ast.operation)
|
||||
))
|
||||
|
||||
try:
|
||||
return self.execute(
|
||||
document_ast,
|
||||
root_value=self.get_root_value(request),
|
||||
variable_values=variables,
|
||||
operation_name=operation_name,
|
||||
context_value=self.get_context(request),
|
||||
middlewares=self.get_middleware(request),
|
||||
executor=self.executor,
|
||||
)
|
||||
except Exception as e:
|
||||
return ExecutionResult(errors=[e], invalid=True)
|
||||
|
||||
@classmethod
|
||||
def can_display_graphiql(cls, request, data):
|
||||
raw = 'raw' in request.GET or 'raw' in data
|
||||
return not raw and cls.request_wants_html(request)
|
||||
|
||||
@classmethod
|
||||
def request_wants_html(cls, request):
|
||||
accepted = get_accepted_content_types(request)
|
||||
html_index = accepted.count('text/html')
|
||||
json_index = accepted.count('application/json')
|
||||
|
||||
return html_index > json_index
|
||||
|
||||
@staticmethod
|
||||
def get_graphql_params(request, data):
|
||||
query = request.GET.get('query') or data.get('query')
|
||||
variables = request.GET.get('variables') or data.get('variables')
|
||||
|
||||
if variables and isinstance(variables, six.text_type):
|
||||
try:
|
||||
variables = json.loads(variables)
|
||||
except:
|
||||
raise HttpError(HttpResponseBadRequest('Variables are invalid JSON.'))
|
||||
|
||||
operation_name = request.GET.get('operationName') or data.get('operationName')
|
||||
|
||||
return query, variables, operation_name
|
||||
|
||||
@staticmethod
|
||||
def format_error(error):
|
||||
if isinstance(error, GraphQLError):
|
||||
return format_graphql_error(error)
|
||||
|
||||
return {'message': six.text_type(error)}
|
||||
|
||||
@staticmethod
|
||||
def get_content_type(request):
|
||||
meta = request.META
|
||||
content_type = meta.get('CONTENT_TYPE', meta.get('HTTP_CONTENT_TYPE', ''))
|
||||
return content_type.split(';', 1)[0].lower()
|
||||
|
|
Loading…
Reference in New Issue
Block a user