drf-yasg/tests/test_schema_generator.py

150 lines
5.1 KiB
Python

import json
from collections import OrderedDict
import pytest
from django.conf.urls import url
from rest_framework import routers, serializers, viewsets
from rest_framework.decorators import api_view
from rest_framework.response import Response
from drf_yasg import codecs, openapi
from drf_yasg.codecs import yaml_sane_load
from drf_yasg.errors import SwaggerGenerationError
from drf_yasg.generators import OpenAPISchemaGenerator
from drf_yasg.utils import swagger_auto_schema
def test_schema_is_valid(swagger, codec_yaml):
codec_yaml.encode(swagger)
def test_invalid_schema_fails(codec_json, mock_schema_request):
# noinspection PyTypeChecker
bad_generator = OpenAPISchemaGenerator(
info=openapi.Info(
title="Test generator", default_version="v1",
contact=openapi.Contact(name=69, email=[])
),
version="v2",
)
swagger = bad_generator.get_schema(mock_schema_request, True)
with pytest.raises(codecs.SwaggerValidationError):
codec_json.encode(swagger)
def test_json_codec_roundtrip(codec_json, swagger, validate_schema):
json_bytes = codec_json.encode(swagger)
validate_schema(json.loads(json_bytes.decode('utf-8')))
def test_yaml_codec_roundtrip(codec_yaml, swagger, validate_schema):
yaml_bytes = codec_yaml.encode(swagger)
assert b'omap' not in yaml_bytes # ensure no ugly !!omap is outputted
assert b'&id' not in yaml_bytes and b'*id' not in yaml_bytes # ensure no YAML references are generated
validate_schema(yaml_sane_load(yaml_bytes.decode('utf-8')))
def test_yaml_and_json_match(codec_yaml, codec_json, swagger):
yaml_schema = yaml_sane_load(codec_yaml.encode(swagger).decode('utf-8'))
json_schema = json.loads(codec_json.encode(swagger).decode('utf-8'), object_pairs_hook=OrderedDict)
assert yaml_schema == json_schema
def test_basepath_only(mock_schema_request):
with pytest.raises(SwaggerGenerationError):
generator = OpenAPISchemaGenerator(
info=openapi.Info(title="Test generator", default_version="v1"),
version="v2",
url='/basepath/',
)
generator.get_schema(mock_schema_request, public=True)
def test_no_netloc(mock_schema_request):
generator = OpenAPISchemaGenerator(
info=openapi.Info(title="Test generator", default_version="v1"),
version="v2",
url='',
)
swagger = generator.get_schema(mock_schema_request, public=True)
assert 'host' not in swagger and 'schemes' not in swagger
assert swagger['info']['version'] == 'v2'
def test_securiy_requirements(swagger_settings, mock_schema_request):
generator = OpenAPISchemaGenerator(
info=openapi.Info(title="Test generator", default_version="v1"),
version="v2",
url='',
)
swagger_settings['SECURITY_REQUIREMENTS'] = []
swagger = generator.get_schema(mock_schema_request, public=True)
assert swagger['security'] == []
def test_replaced_serializer():
class DetailSerializer(serializers.Serializer):
detail = serializers.CharField()
class DetailViewSet(viewsets.ViewSet):
serializer_class = DetailSerializer
@swagger_auto_schema(responses={404: openapi.Response("Not found or Not accessible", DetailSerializer)})
def retrieve(self, request, pk=None):
serializer = DetailSerializer({'detail': None})
return Response(serializer.data)
router = routers.DefaultRouter()
router.register(r'details', DetailViewSet, base_name='details')
generator = OpenAPISchemaGenerator(
info=openapi.Info(title="Test generator", default_version="v1"),
version="v2",
url='',
patterns=router.urls
)
for _ in range(3):
swagger = generator.get_schema(None, True)
assert 'Detail' in swagger['definitions']
assert 'detail' in swagger['definitions']['Detail']['properties']
responses = swagger['paths']['/details/{id}/']['get']['responses']
assert '404' in responses
assert responses['404']['schema']['$ref'] == "#/definitions/Detail"
def test_url_order():
# this view with description override should show up in the schema ...
@swagger_auto_schema(method='get', operation_description="description override")
@api_view()
def test_override(request, pk=None):
return Response({"message": "Hello, world!"})
# ... instead of this view which appears later in the url patterns
@api_view()
def test_view(request, pk=None):
return Response({"message": "Hello, world!"})
patterns = [
url(r'^/test/$', test_override),
url(r'^/test/$', test_view),
]
generator = OpenAPISchemaGenerator(
info=openapi.Info(title="Test generator", default_version="v1"),
version="v2",
url='',
patterns=patterns
)
# description override is successful
swagger = generator.get_schema(None, True)
assert swagger['paths']['/test/']['get']['description'] == 'description override'
# get_endpoints only includes one endpoint
assert len(generator.get_endpoints(None)['/test/'][1]) == 1