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112 lines
3.6 KiB
Python
112 lines
3.6 KiB
Python
from django.test import TestCase
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from rest_framework import serializers, status
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from rest_framework.decorators import api_view
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from rest_framework.exceptions import ValidationError
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from rest_framework.response import Response
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from rest_framework.settings import api_settings
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from rest_framework.test import APIRequestFactory
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from rest_framework.views import APIView
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factory = APIRequestFactory()
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class ExampleSerializer(serializers.Serializer):
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char = serializers.CharField()
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integer = serializers.IntegerField()
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class ErrorView(APIView):
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def get(self, request, *args, **kwargs):
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ExampleSerializer(data={}).is_valid(raise_exception=True)
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@api_view(['GET'])
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def error_view(request):
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ExampleSerializer(data={}).is_valid(raise_exception=True)
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class TestValidationErrorWithFullDetails(TestCase):
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def setUp(self):
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self.DEFAULT_HANDLER = api_settings.EXCEPTION_HANDLER
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def exception_handler(exc, request):
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data = exc.get_full_details()
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return Response(data, status=status.HTTP_400_BAD_REQUEST)
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api_settings.EXCEPTION_HANDLER = exception_handler
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self.expected_response_data = {
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'char': [{
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'message': 'This field is required.',
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'code': 'required',
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}],
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'integer': [{
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'message': 'This field is required.',
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'code': 'required'
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}],
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}
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def tearDown(self):
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api_settings.EXCEPTION_HANDLER = self.DEFAULT_HANDLER
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def test_class_based_view_exception_handler(self):
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view = ErrorView.as_view()
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request = factory.get('/', content_type='application/json')
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response = view(request)
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assert response.status_code == status.HTTP_400_BAD_REQUEST
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assert response.data == self.expected_response_data
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def test_function_based_view_exception_handler(self):
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view = error_view
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request = factory.get('/', content_type='application/json')
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response = view(request)
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assert response.status_code == status.HTTP_400_BAD_REQUEST
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assert response.data == self.expected_response_data
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class TestValidationErrorWithCodes(TestCase):
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def setUp(self):
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self.DEFAULT_HANDLER = api_settings.EXCEPTION_HANDLER
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def exception_handler(exc, request):
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data = exc.get_codes()
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return Response(data, status=status.HTTP_400_BAD_REQUEST)
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api_settings.EXCEPTION_HANDLER = exception_handler
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self.expected_response_data = {
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'char': ['required'],
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'integer': ['required'],
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}
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def tearDown(self):
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api_settings.EXCEPTION_HANDLER = self.DEFAULT_HANDLER
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def test_class_based_view_exception_handler(self):
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view = ErrorView.as_view()
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request = factory.get('/', content_type='application/json')
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response = view(request)
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assert response.status_code == status.HTTP_400_BAD_REQUEST
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assert response.data == self.expected_response_data
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def test_function_based_view_exception_handler(self):
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view = error_view
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request = factory.get('/', content_type='application/json')
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response = view(request)
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assert response.status_code == status.HTTP_400_BAD_REQUEST
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assert response.data == self.expected_response_data
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class TestValidationErrorConvertsTuplesToLists(TestCase):
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def test_validation_error_details(self):
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error = ValidationError(detail=('message1', 'message2'))
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assert isinstance(error.detail, list)
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assert len(error.detail) == 2
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assert str(error.detail[0]) == 'message1'
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assert str(error.detail[1]) == 'message2'
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