René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: Won’t validate empty request body even if it satisfies the schema","articleBody":"### Actual Behavior\r\n\r\nAn empty `application/x-www-form-urlencoded` request body unexpectedly fails to validate even if it should satisfy the schema, such as when all parameters are optional.\r\n\r\n```pytb\r\nTraceback (most recent call last):\r\n  File \"/home/anders/python/openapi-core/test.py\", line 56, in \u003cmodule\u003e\r\n    validate_request(request, spec=spec)  # error\r\n  File \"/home/anders/python/openapi-core/openapi_core/shortcuts.py\", line 321, in validate_request\r\n    validate_apicall_request(\r\n  File \"/home/anders/python/openapi-core/openapi_core/shortcuts.py\", line 396, in validate_apicall_request\r\n    return v.validate(request)\r\n  File \"/home/anders/python/openapi-core/openapi_core/validation/request/validators.py\", line 279, in validate\r\n    raise err\r\n  File \"/home/anders/python/openapi-core/openapi_core/validation/request/validators.py\", line 114, in _iter_errors\r\n    self._get_body(request.body, request.content_type, operation)\r\n  File \"/home/anders/python/openapi-core/openapi_core/validation/decorators.py\", line 35, in wrapper\r\n    self._raise_error(exc, self.err_cls, f, *args, **kwds)\r\n  File \"/home/anders/python/openapi-core/openapi_core/validation/decorators.py\", line 31, in wrapper\r\n    return f(*args, **kwds)\r\n  File \"/home/anders/python/openapi-core/openapi_core/validation/request/validators.py\", line 259, in _get_body\r\n    raw_body = self._get_body_value(body, request_body)\r\n  File \"/home/anders/python/openapi-core/openapi_core/validation/request/validators.py\", line 269, in _get_body_value\r\n    raise MissingRequestBody\r\nopenapi_core.validation.request.exceptions.MissingRequestBody: Missing request body\r\n```\r\n\r\n### Expected Behavior\r\n\r\nNo error.\r\n\r\n### Steps to Reproduce\r\n\r\n```python\r\nfrom openapi_core import Spec, validate_request\r\nfrom openapi_core.testing import MockRequest\r\n\r\nspec = Spec.from_dict(\r\n    {\r\n        \"openapi\": \"3.1.0\",\r\n        \"info\": {\"version\": \"0\", \"title\": \"test\"},\r\n        \"paths\": {\r\n            \"/test\": {\r\n                \"post\": {\r\n                    \"requestBody\": {\r\n                        \"content\": {\r\n                            \"application/x-www-form-urlencoded\": {\r\n                                \"schema\": {\r\n                                    \"type\": \"object\",\r\n                                    \"properties\": {\r\n                                        \"foo\": {\"type\": \"string\"},\r\n                                        \"bar\": {\"type\": \"string\"},\r\n                                    },\r\n                                },\r\n                            }\r\n                        }\r\n                    },\r\n                    \"responses\": {\"200\": {\"description\": \"OK\"}},\r\n                }\r\n            }\r\n        },\r\n    }\r\n)\r\n\r\nrequest = MockRequest(\r\n    \"http://localhost\",\r\n    \"post\",\r\n    \"/test\",\r\n    data=\"foo=foo\",\r\n    content_type=\"application/x-www-form-urlencoded\",\r\n)\r\nvalidate_request(request, spec=spec)  # ok\r\n\r\nrequest = MockRequest(\r\n    \"http://localhost\",\r\n    \"post\",\r\n    \"/test\",\r\n    data=\"bar=bar\",\r\n    content_type=\"application/x-www-form-urlencoded\",\r\n)\r\nvalidate_request(request, spec=spec)  # ok\r\n\r\nrequest = MockRequest(\r\n    \"http://localhost\",\r\n    \"post\",\r\n    \"/test\",\r\n    data=\"\",\r\n    content_type=\"application/x-www-form-urlencoded\",\r\n)\r\nvalidate_request(request, spec=spec)  # error\r\n```\r\n\r\n### OpenAPI Core Version\r\n\r\ncurrent Git (efaa5aca494341837470552e905ca6f35f1fe88e)\r\n\r\n### OpenAPI Core Integration\r\n\r\nnone\r\n\r\n### Affected Area(s)\r\n\r\n_No response_\r\n\r\n### References\r\n\r\n_No response_\r\n\r\n### Anything else we need to know?\r\n\r\n_No response_\r\n\r\n### Would you like to implement a fix?\r\n\r\nNone","author":{"url":"https://github.com/andersk","@type":"Person","name":"andersk"},"datePublished":"2023-10-23T04:11:42.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/702/openapi-core/issues/702"}