from typing import List, Optional import pytest from fastapi import FastAPI, File from fastapi.testclient import TestClient from pydantic import BaseModel, Field from ..utils import needs_pydanticv2 pytestmark = needs_pydanticv2 app = FastAPI() # ===================================================================================== # Field(alias=...) # Current situation: doesn't work due to validation error # ------------------------------ # required field class RequiredFieldAliasModel(BaseModel): file: bytes = Field(alias="file_alias") @app.post("/required-field-alias-model") async def required_field_alias_model( # pragma: no cover (remove `no cover` when bug fixed) data: RequiredFieldAliasModel = File(...), ): return {"file_size": len(data.file)} def test_required_field_alias_model_by_name(): client = TestClient(app) resp = client.post("/required-field-alias-model", files={"file": b"content"}) assert resp.status_code == 422 detail = resp.json()["detail"] assert detail[0]["msg"] == "Field required" assert "file_alias" in detail[0]["loc"] @pytest.mark.xfail(raises=AssertionError, strict=False) def test_required_field_alias_model_by_alias(): client = TestClient(app) resp = client.post("/required-field-alias-model", files={"file_alias": b"content"}) assert resp.status_code == 200, resp.text # Fails with: # AssertionError: assert 422 == 200 # {"detail":[{"type":"bytes_type","loc":["body","file_alias"],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":7,"headers":{"content-disposition":"form-data; name=\"file_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}}]} # Uncomment when the assertion above passes: # assert resp.json() == {"file_size": 7} def test_required_field_alias_model_schema(): openapi = app.openapi() body_schema = openapi["components"]["schemas"]["RequiredFieldAliasModel"] assert body_schema["properties"] == { "file_alias": {"title": "File Alias", "type": "string", "format": "binary"} } # ------------------------------ # optional field class OptionalFieldAliasModel(BaseModel): file: Optional[bytes] = Field(None, alias="file_alias") @app.post("/optional-field-alias-model") async def optional_field_alias_model( # pragma: no cover (remove `no cover` when bug fixed) data: OptionalFieldAliasModel = File(...), ): if data.file is None: return {"file_size": None} return {"file_size": len(data.file)} def test_optional_field_alias_model_by_name(): client = TestClient(app) resp = client.post("/optional-field-alias-model", files={"file": b"content"}) assert resp.status_code == 200 assert resp.json() == {"file_size": None} @pytest.mark.xfail(raises=AssertionError, strict=False) def test_optional_field_alias_model_by_alias(): client = TestClient(app) resp = client.post("/optional-field-alias-model", files={"file_alias": b"content"}) assert resp.status_code == 200, resp.text # Fails with: # AssertionError: assert 422 == 200 # {"detail":[{"type":"bytes_type","loc":["body","file_alias"],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":7,"headers":{"content-disposition":"form-data; name=\"file_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}}]} # Uncomment when the assertion above passes: # assert resp.json() == {"file_size": 7} def test_optional_field_alias_model_schema(): openapi = app.openapi() body_schema = openapi["components"]["schemas"]["OptionalFieldAliasModel"] assert body_schema["properties"] == { "file_alias": { "anyOf": [{"type": "string", "format": "binary"}, {"type": "null"}], "title": "File Alias", }, } # ------------------------------ # list field class ListFieldAliasModel(BaseModel): files: List[bytes] = Field(alias="files_alias") @app.post("/list-field-alias-model") async def list_field_alias_model( # pragma: no cover (remove `no cover` when bug fixed) data: ListFieldAliasModel = File(...), ): return {"file_sizes": [len(file) for file in data.files]} def test_list_field_alias_model_by_name(): client = TestClient(app) resp = client.post( "/list-field-alias-model", files=[("files", b"content1"), ("files", b"content2")], ) assert resp.status_code == 422 detail = resp.json()["detail"] assert detail[0]["msg"] == "Field required" assert "files_alias" in detail[0]["loc"] @pytest.mark.xfail(raises=AssertionError, strict=False) def test_list_field_alias_model_by_alias(): client = TestClient(app) resp = client.post( "/list-field-alias-model", files=[("files_alias", b"content1"), ("files_alias", b"content2")], ) assert resp.status_code == 200, resp.text # Fails with: # AssertionError: assert 422 == 200 # {"detail":[{"type":"bytes_type","loc":["body","files_alias",0],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":8,"headers":{"content-disposition":"form-data; name=\"files_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}},{"type":"bytes_type","loc":["body","files_alias",1],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":8,"headers":{"content-disposition":"form-data; name=\"files_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}}]} # Uncomment when the assertion above passes: # assert resp.json() == {"file_sizes": [8, 8]} def test_list_field_alias_model_schema(): openapi = app.openapi() body_schema = openapi["components"]["schemas"]["ListFieldAliasModel"] assert body_schema["properties"] == { "files_alias": { "items": {"type": "string", "format": "binary"}, "title": "Files Alias", "type": "array", }, } # ------------------------------ # optional list field class OptionalListFieldAliasModel(BaseModel): files: Optional[List[bytes]] = Field(None, alias="files_alias") @app.post("/optional-list-field-alias-model") async def optional_list_field_alias_model( # pragma: no cover (remove `no cover` when bug fixed) data: OptionalListFieldAliasModel = File(), ): if data.files is None: return {"file_sizes": None} return {"file_sizes": [len(file) for file in data.files]} def test_optional_list_field_alias_model_by_name(): client = TestClient(app) resp = client.post( "/optional-list-field-alias-model", files=[("files", b"content1"), ("files", b"content2")], ) assert resp.status_code == 200 assert resp.json() == {"file_sizes": None} @pytest.mark.xfail(raises=AssertionError, strict=False) def test_optional_list_field_alias_model_by_alias(): client = TestClient(app) resp = client.post( "/optional-list-field-alias-model", files=[("files_alias", b"content1"), ("files_alias", b"content2")], ) assert resp.status_code == 200, resp.text # Fails with: # AssertionError: assert 422 == 200 # {"detail":[{"type":"bytes_type","loc":["body","files_alias",0],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":8,"headers":{"content-disposition":"form-data; name=\"files_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}},{"type":"bytes_type","loc":["body","files_alias",1],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":8,"headers":{"content-disposition":"form-data; name=\"files_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}}]} # Uncomment when the assertion above passes: # assert resp.json() == {"file_sizes": [8, 8]} def test_optional_list_field_alias_model_schema(): openapi = app.openapi() body_schema = openapi["components"]["schemas"]["OptionalListFieldAliasModel"] assert body_schema["properties"] == { "files_alias": { "anyOf": [ {"items": {"type": "string", "format": "binary"}, "type": "array"}, {"type": "null"}, ], "title": "Files Alias", } } # ===================================================================================== # Field(validation_alias=...) # Current situation: doesn't work due to validation error # ------------------------------ # required field class RequiredFieldValidationAliasModel(BaseModel): file: bytes = Field(validation_alias="file_val_alias") @app.post( "/required-field-validation-alias-model", operation_id="required_field_validation_alias_model", ) async def required_field_validation_alias_model( # pragma: no cover (remove `no cover` when bug fixed) data: RequiredFieldValidationAliasModel = File(...), ): return {"file_size": len(data.file)} def test_required_field_validation_alias_model_by_name(): client = TestClient(app) resp = client.post( "/required-field-validation-alias-model", files={"file": b"content"} ) assert resp.status_code == 422 detail = resp.json()["detail"] assert detail[0]["msg"] == "Field required" assert "file_val_alias" in detail[0]["loc"] @pytest.mark.xfail(raises=AssertionError, strict=False) def test_required_field_validation_alias_model_by_alias(): client = TestClient(app) resp = client.post( "/required-field-validation-alias-model", files={"file_val_alias": b"content"} ) assert resp.status_code == 200, resp.text # Fails with: # AssertionError: assert 422 == 200 # {"detail":[{"type":"bytes_type","loc":["body","file_val_alias"],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":7,"headers":{"content-disposition":"form-data; name=\"file_val_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}}]} # Uncomment when the assertion above passes: # assert resp.json() == {"file_size": 7} def test_required_field_validation_alias_model_schema(): openapi = app.openapi() body_schema = openapi["components"]["schemas"]["RequiredFieldValidationAliasModel"] assert body_schema["properties"] == { "file_val_alias": { "title": "File Val Alias", "type": "string", "format": "binary", } } # ------------------------------ # optional field class OptionalFieldValidationAliasModel(BaseModel): file: Optional[bytes] = Field(None, validation_alias="file_val_alias") @app.post( "/optional-field-validation-alias-model", operation_id="optional_field_validation_alias_model", ) async def optional_field_validation_alias_model( # pragma: no cover (remove `no cover` when bug fixed) data: OptionalFieldValidationAliasModel = File(...), ): if data.file is None: return {"file_size": None} return {"file_size": len(data.file)} def test_optional_field_validation_alias_model_by_name(): client = TestClient(app) resp = client.post( "/optional-field-validation-alias-model", files={"file": b"content"} ) assert resp.status_code == 200 assert resp.json() == {"file_size": None} @pytest.mark.xfail(raises=AssertionError, strict=False) def test_optional_field_validation_alias_model_by_alias(): client = TestClient(app) resp = client.post( "/optional-field-validation-alias-model", files={"file_val_alias": b"content"} ) assert resp.status_code == 200, resp.text # Fails with: # AssertionError: assert 422 == 200 # {"detail":[{"type":"bytes_type","loc":["body","file_val_alias"],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":7,"headers":{"content-disposition":"form-data; name=\"file_val_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}}]} # Uncomment when the assertion above passes: # assert resp.json() == {"file_size": 7} def test_optional_field_validation_alias_model_schema(): openapi = app.openapi() body_schema = openapi["components"]["schemas"]["OptionalFieldValidationAliasModel"] assert body_schema["properties"] == { "file_val_alias": { "anyOf": [{"type": "string", "format": "binary"}, {"type": "null"}], "title": "File Val Alias", }, } # ------------------------------ # list field class ListFieldValidationAliasModel(BaseModel): files: List[bytes] = Field(validation_alias="files_val_alias") @app.post( "/list-field-validation-alias-model", operation_id="list_field_validation_alias_model", ) async def list_field_validation_alias_model( # pragma: no cover (remove `no cover` when bug fixed) data: ListFieldValidationAliasModel = File(...), ): return {"file_sizes": [len(file) for file in data.files]} def test_list_field_validation_alias_model_by_name(): client = TestClient(app) resp = client.post( "/list-field-validation-alias-model", files=[("files", b"content1"), ("files", b"content2")], ) assert resp.status_code == 422 detail = resp.json()["detail"] assert detail[0]["msg"] == "Field required" assert "files_val_alias" in detail[0]["loc"] @pytest.mark.xfail(raises=AssertionError, strict=False) def test_list_field_validation_alias_model_by_alias(): client = TestClient(app) resp = client.post( "/list-field-validation-alias-model", files=[("files_val_alias", b"content1"), ("files_val_alias", b"content2")], ) assert resp.status_code == 200, resp.text # Fails with: # AssertionError: assert 422 == 200 # {"detail":[{"type":"bytes_type","loc":["body","files_val_alias",0],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":8,"headers":{"content-disposition":"form-data; name=\"files_val_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}},{"type":"bytes_type","loc":["body","files_val_alias",1],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":8,"headers":{"content-disposition":"form-data; name=\"files_val_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}}]} # Uncomment when the assertion above passes: # assert resp.json() == {"file_sizes": [8, 8]} def test_list_field_validation_alias_model_schema(): openapi = app.openapi() body_schema = openapi["components"]["schemas"]["ListFieldValidationAliasModel"] assert body_schema["properties"] == { "files_val_alias": { "items": {"type": "string", "format": "binary"}, "title": "Files Val Alias", "type": "array", } } # ------------------------------ # optional list field class OptionalListFieldValidationAliasModel(BaseModel): files: Optional[List[bytes]] = Field(None, validation_alias="files_val_alias") @app.post( "/optional-list-field-validation-alias-model", operation_id="optional_list_field_validation_alias_model", ) async def optional_list_field_validation_alias_model( # pragma: no cover (remove `no cover` when bug fixed) data: OptionalListFieldValidationAliasModel = File(...), ): if data.files is None: return {"file_sizes": None} return {"file_sizes": [len(file) for file in data.files]} def test_optional_list_field_validation_alias_model_by_name(): client = TestClient(app) resp = client.post( "/optional-list-field-validation-alias-model", files=[("files", b"content1"), ("files", b"content2")], ) assert resp.status_code == 200 assert resp.json() == {"file_sizes": None} @pytest.mark.xfail(raises=AssertionError, strict=False) def test_optional_list_field_validation_alias_model_by_alias(): client = TestClient(app) resp = client.post( "/optional-list-field-validation-alias-model", files=[("files_val_alias", b"content1"), ("files_val_alias", b"content2")], ) assert resp.status_code == 200, resp.text # Fails with: # AssertionError: assert 422 == 200 # {"detail":[{"type":"bytes_type","loc":["body","files_val_alias",0],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":8,"headers":{"content-disposition":"form-data; name=\"files_val_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}},{"type":"bytes_type","loc":["body","files_val_alias",1],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":8,"headers":{"content-disposition":"form-data; name=\"files_val_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}}]} # Uncomment when the assertion above passes: # assert resp.json() == {"file_sizes": [8, 8]} def test_optional_list_field_validation_alias_model_schema(): openapi = app.openapi() body_schema = openapi["components"]["schemas"][ "OptionalListFieldValidationAliasModel" ] assert body_schema["properties"] == { "files_val_alias": { "anyOf": [ {"items": {"type": "string", "format": "binary"}, "type": "array"}, {"type": "null"}, ], "title": "Files Val Alias", }, } # ===================================================================================== # Field(alias=..., validation_alias=...) # Current situation: doesn't work due to validation error # ------------------------------ # required field class RequiredFieldAliasAndValidationAliasModel(BaseModel): file: bytes = Field(alias="file_alias", validation_alias="file_val_alias") @app.post( "/required-field-alias-and-validation-alias-model", operation_id="required_field_alias_and_validation_alias_model", ) async def required_field_alias_and_validation_alias_model( # pragma: no cover (remove `no cover` when bug fixed) data: RequiredFieldAliasAndValidationAliasModel = File(...), ): return {"file_size": len(data.file)} def test_required_field_alias_and_validation_alias_model_by_name(): client = TestClient(app) resp = client.post( "/required-field-alias-and-validation-alias-model", files={"file": b"content"} ) assert resp.status_code == 422 detail = resp.json()["detail"] assert detail[0]["msg"] == "Field required" assert "file_val_alias" in detail[0]["loc"] def test_required_field_alias_and_validation_alias_model_by_alias(): client = TestClient(app) resp = client.post( "/required-field-alias-and-validation-alias-model", files={"file_alias": b"content"}, ) assert resp.status_code == 422 detail = resp.json()["detail"] assert detail[0]["msg"] == "Field required" assert "file_val_alias" in detail[0]["loc"] @pytest.mark.xfail(raises=AssertionError, strict=False) def test_required_field_alias_and_validation_alias_model_by_validation_alias(): client = TestClient(app) resp = client.post( "/required-field-alias-and-validation-alias-model", files={"file_val_alias": b"content"}, ) assert resp.status_code == 200, resp.text # Fails with: # AssertionError: assert 422 == 200 # {"detail":[{"type":"bytes_type","loc":["body","file_val_alias"],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":7,"headers":{"content-disposition":"form-data; name=\"file_val_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}}]} # Uncomment when the assertion above passes: # assert resp.json() == {"file_size": 7} def test_required_field_alias_and_validation_alias_model_schema(): openapi = app.openapi() body_schema = openapi["components"]["schemas"][ "RequiredFieldAliasAndValidationAliasModel" ] assert body_schema["properties"] == { "file_val_alias": { "title": "File Val Alias", "type": "string", "format": "binary", } } # ------------------------------ # optional field class OptionalFieldAliasAndValidationAliasModel(BaseModel): file: Optional[bytes] = Field( None, alias="file_alias", validation_alias="file_val_alias" ) @app.post( "/optional-field-alias-and-validation-alias-model", operation_id="optional_field_alias_and_validation_alias_model", ) async def optional_field_alias_and_validation_alias_model( # pragma: no cover (remove `no cover` when bug fixed) data: OptionalFieldAliasAndValidationAliasModel = File(...), ): if data.file is None: return {"file_size": None} return {"file_size": len(data.file)} def test_optional_field_alias_and_validation_alias_model_by_name(): client = TestClient(app) resp = client.post( "/optional-field-alias-and-validation-alias-model", files={"file": b"content"} ) assert resp.status_code == 200 assert resp.json() == {"file_size": None} def test_optional_field_alias_and_validation_alias_model_by_alias(): client = TestClient(app) resp = client.post( "/optional-field-alias-and-validation-alias-model", files={"file_alias": b"content"}, ) assert resp.status_code == 200 assert resp.json() == {"file_size": None} @pytest.mark.xfail(raises=AssertionError, strict=False) def test_optional_field_alias_and_validation_alias_model_by_validation_alias(): client = TestClient(app) resp = client.post( "/optional-field-alias-and-validation-alias-model", files={"file_val_alias": b"content"}, ) assert resp.status_code == 200, resp.text # Fails with: # AssertionError: assert 422 == 200 # {"detail":[{"type":"bytes_type","loc":["body","file_val_alias"],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":7,"headers":{"content-disposition":"form-data; name=\"file_val_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}}]} # Uncomment when the assertion above passes: # assert resp.json() == {"file_size": 7} def test_optional_field_alias_and_validation_alias_model_schema(): openapi = app.openapi() body_schema = openapi["components"]["schemas"][ "OptionalFieldAliasAndValidationAliasModel" ] assert body_schema["properties"] == { "file_val_alias": { "anyOf": [{"type": "string", "format": "binary"}, {"type": "null"}], "title": "File Val Alias", } } # ------------------------------ # list field class ListFieldAliasAndValidationAliasModel(BaseModel): files: List[bytes] = Field(alias="files_alias", validation_alias="files_val_alias") @app.post( "/list-field-alias-and-validation-alias-model", operation_id="list_field_alias_and_validation_alias_model", ) async def list_field_alias_and_validation_alias_model( # pragma: no cover (remove `no cover` when bug fixed) data: ListFieldAliasAndValidationAliasModel = File(...), ): return {"file_sizes": [len(file) for file in data.files]} def test_list_field_alias_and_validation_alias_model_by_name(): client = TestClient(app) resp = client.post( "/list-field-alias-and-validation-alias-model", files=[("files", b"content1"), ("files", b"content2")], ) assert resp.status_code == 422 detail = resp.json()["detail"] assert detail[0]["msg"] == "Field required" assert "files_val_alias" in detail[0]["loc"] def test_list_field_alias_and_validation_alias_model_by_alias(): client = TestClient(app) resp = client.post( "/list-field-alias-and-validation-alias-model", files=[("files_alias", b"content1"), ("files_alias", b"content2")], ) assert resp.status_code == 422 detail = resp.json()["detail"] assert detail[0]["msg"] == "Field required" assert "files_val_alias" in detail[0]["loc"] @pytest.mark.xfail(raises=AssertionError, strict=False) def test_list_field_alias_and_validation_alias_model_by_validation_alias(): client = TestClient(app) resp = client.post( "/list-field-alias-and-validation-alias-model", files=[("files_val_alias", b"content1"), ("files_val_alias", b"content2")], ) assert resp.status_code == 200, resp.text # Fails with: # AssertionError: assert 422 == 200 # {"detail":[{"type":"bytes_type","loc":["body","files_val_alias",0],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":8,"headers":{"content-disposition":"form-data; name=\"files_val_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}},{"type":"bytes_type","loc":["body","files_val_alias",1],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":8,"headers":{"content-disposition":"form-data; name=\"files_val_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}}]} # Uncomment when the assertion above passes: # assert resp.json() == {"file_sizes": [8, 8]} def test_list_field_alias_and_validation_alias_model_schema(): openapi = app.openapi() body_schema = openapi["components"]["schemas"][ "ListFieldAliasAndValidationAliasModel" ] assert body_schema["properties"] == { "files_val_alias": { "items": {"type": "string", "format": "binary"}, "title": "Files Val Alias", "type": "array", } } # ------------------------------ # optional list field class OptionalListFieldAliasAndValidationAliasModel(BaseModel): files: Optional[List[bytes]] = Field( None, alias="files_alias", validation_alias="files_val_alias" ) @app.post( "/optional-list-field-alias-and-validation-alias-model", operation_id="optional_list_field_alias_and_validation_alias_model", ) async def optional_list_field_alias_and_validation_alias_model( # pragma: no cover (remove `no cover` when bug fixed) data: OptionalListFieldAliasAndValidationAliasModel = File(...), ): if data.files is None: return {"file_sizes": None} return {"file_sizes": [len(file) for file in data.files]} def test_optional_list_field_alias_and_validation_alias_model_by_name(): client = TestClient(app) resp = client.post( "/optional-list-field-alias-and-validation-alias-model", files=[("files", b"content1"), ("files", b"content2")], ) assert resp.status_code == 200, resp.text assert resp.json() == {"file_sizes": None} def test_optional_list_field_alias_and_validation_alias_model_by_alias(): client = TestClient(app) resp = client.post( "/optional-list-field-alias-and-validation-alias-model", files=[("files_alias", b"content1"), ("files_alias", b"content2")], ) assert resp.status_code == 200, resp.text assert resp.json() == {"file_sizes": None} @pytest.mark.xfail(raises=AssertionError, strict=False) def test_optional_list_field_alias_and_validation_alias_model_by_validation_alias(): client = TestClient(app) resp = client.post( "/optional-list-field-alias-and-validation-alias-model", files=[("files_val_alias", b"content1"), ("files_val_alias", b"content2")], ) assert resp.status_code == 200, resp.text # Fails with: # AssertionError: assert 422 == 200 # {"detail":[{"type":"bytes_type","loc":["body","files_val_alias",0],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":8,"headers":{"content-disposition":"form-data; name=\"files_val_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}},{"type":"bytes_type","loc":["body","files_val_alias",1],"msg":"Input should be a valid bytes","input":{"filename":"upload","file":{"_file":{},"_max_size":1048576,"_rolled":false,"_TemporaryFileArgs":{"mode":"w+b","buffering":-1,"suffix":null,"prefix":null,"encoding":null,"newline":null,"dir":null,"errors":null}},"size":8,"headers":{"content-disposition":"form-data; name=\"files_val_alias\"; filename=\"upload\"","content-type":"application/octet-stream"},"_max_mem_size":1048576}}]} # Uncomment when the assertion above passes: # assert resp.json() == {"file_sizes": [8, 8]} def test_optional_list_field_alias_and_validation_alias_model_schema(): openapi = app.openapi() body_schema = openapi["components"]["schemas"][ "OptionalListFieldAliasAndValidationAliasModel" ] assert body_schema["properties"] == { "files_val_alias": { "anyOf": [ {"items": {"type": "string", "format": "binary"}, "type": "array"}, {"type": "null"}, ], "title": "Files Val Alias", } }