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from __future__ import unicode_literals
from rest_framework import exceptions, serializers, status, views, versioning
from rest_framework.request import Request
from rest_framework.renderers import BrowsableAPIRenderer
from rest_framework.test import APIRequestFactory
request = Request(APIRequestFactory().options('/'))
class TestMetadata:
def test_metadata(self):
"""
OPTIONS requests to views should return a valid 200 response.
"""
class ExampleView(views.APIView):
"""Example view."""
pass
view = ExampleView.as_view()
response = view(request=request)
expected = {
'name': 'Example',
'description': 'Example view.',
'renders': [
'application/json',
'text/html'
],
'parses': [
'application/json',
'application/x-www-form-urlencoded',
'multipart/form-data'
]
}
assert response.status_code == status.HTTP_200_OK
assert response.data == expected
def test_none_metadata(self):
"""
OPTIONS requests to views where `metadata_class = None` should raise
a MethodNotAllowed exception, which will result in an HTTP 405 response.
"""
class ExampleView(views.APIView):
metadata_class = None
view = ExampleView.as_view()
response = view(request=request)
assert response.status_code == status.HTTP_405_METHOD_NOT_ALLOWED
assert response.data == {'detail': 'Method "OPTIONS" not allowed.'}
def test_actions(self):
"""
On generic views OPTIONS should return an 'actions' key with metadata
on the fields that may be supplied to PUT and POST requests.
"""
class ExampleSerializer(serializers.Serializer):
choice_field = serializers.ChoiceField(['red', 'green', 'blue'])
integer_field = serializers.IntegerField(
min_value=1, max_value=1000
)
char_field = serializers.CharField(
required=False, min_length=3, max_length=40
)
class ExampleView(views.APIView):
"""Example view."""
def post(self, request):
pass
def get_serializer(self):
return ExampleSerializer()
view = ExampleView.as_view()
response = view(request=request)
expected = {
'name': 'Example',
'description': 'Example view.',
'renders': [
'application/json',
'text/html'
],
'parses': [
'application/json',
'application/x-www-form-urlencoded',
'multipart/form-data'
],
'actions': {
'POST': {
'choice_field': {
'type': 'choice',
'required': True,
'read_only': False,
'label': 'Choice field',
'choices': [
{'display_name': 'red', 'value': 'red'},
{'display_name': 'green', 'value': 'green'},
{'display_name': 'blue', 'value': 'blue'}
]
},
'integer_field': {
'type': 'integer',
'required': True,
'read_only': False,
'label': 'Integer field',
'min_value': 1,
'max_value': 1000,
},
'char_field': {
'type': 'string',
'required': False,
'read_only': False,
'label': 'Char field',
'min_length': 3,
'max_length': 40
}
}
}
}
assert response.status_code == status.HTTP_200_OK
assert response.data == expected
def test_global_permissions(self):
"""
If a user does not have global permissions on an action, then any
metadata associated with it should not be included in OPTION responses.
"""
class ExampleSerializer(serializers.Serializer):
choice_field = serializers.ChoiceField(['red', 'green', 'blue'])
integer_field = serializers.IntegerField(max_value=10)
char_field = serializers.CharField(required=False)
class ExampleView(views.APIView):
"""Example view."""
def post(self, request):
pass
def put(self, request):
pass
def get_serializer(self):
return ExampleSerializer()
def check_permissions(self, request):
if request.method == 'POST':
raise exceptions.PermissionDenied()
view = ExampleView.as_view()
response = view(request=request)
assert response.status_code == status.HTTP_200_OK
assert list(response.data['actions'].keys()) == ['PUT']
def test_object_permissions(self):
"""
If a user does not have object permissions on an action, then any
metadata associated with it should not be included in OPTION responses.
"""
class ExampleSerializer(serializers.Serializer):
choice_field = serializers.ChoiceField(['red', 'green', 'blue'])
integer_field = serializers.IntegerField(max_value=10)
char_field = serializers.CharField(required=False)
class ExampleView(views.APIView):
"""Example view."""
def post(self, request):
pass
def put(self, request):
pass
def get_serializer(self):
return ExampleSerializer()
def get_object(self):
if self.request.method == 'PUT':
raise exceptions.PermissionDenied()
view = ExampleView.as_view()
response = view(request=request)
assert response.status_code == status.HTTP_200_OK
assert list(response.data['actions'].keys()) == ['POST']
def test_bug_2455_clone_request(self):
class ExampleView(views.APIView):
renderer_classes = (BrowsableAPIRenderer,)
def post(self, request):
pass
def get_serializer(self):
assert hasattr(self.request, 'version')
return serializers.Serializer()
view = ExampleView.as_view()
view(request=request)
def test_bug_2477_clone_request(self):
class ExampleView(views.APIView):
renderer_classes = (BrowsableAPIRenderer,)
def post(self, request):
pass
def get_serializer(self):
assert hasattr(self.request, 'versioning_scheme')
return serializers.Serializer()
scheme = versioning.QueryParameterVersioning
view = ExampleView.as_view(versioning_class=scheme)
view(request=request)
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