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import json
import os
import jsonschema
def validate_schema(api_schema):
"""
Validate generated API schema against OpenAPI 3.0.X json schema specification.
Note: On conflict, the written specification always wins over the json schema.
OpenApi3 schema specification taken from:
https://github.com/OAI/OpenAPI-Specification/blob/master/schemas/v3.0/schema.json
https://github.com/OAI/OpenAPI-Specification/blob/9dff244e5708fbe16e768738f4f17cf3fddf4066/schemas/v3.0/schema.json
https://github.com/OAI/OpenAPI-Specification/blob/main/schemas/v3.1/schema.json
https://github.com/OAI/OpenAPI-Specification/blob/9dff244e5708fbe16e768738f4f17cf3fddf4066/schemas/v3.1/schema.json
"""
if api_schema['openapi'].startswith("3.0"):
schema_spec_path = os.path.join(os.path.dirname(__file__), 'openapi_3_0_schema.json')
elif api_schema['openapi'].startswith("3.1"):
schema_spec_path = os.path.join(os.path.dirname(__file__), 'openapi_3_1_schema.json')
else:
raise RuntimeError('No validation specification available') # pragma: no cover
with open(schema_spec_path) as fh:
openapi3_schema_spec = json.load(fh)
# coerce any remnants of objects to basic types
from drf_spectacular.renderers import OpenApiJsonRenderer
api_schema = json.loads(OpenApiJsonRenderer().render(api_schema))
jsonschema.validate(instance=api_schema, schema=openapi3_schema_spec)
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