1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
import pytest
from pydantic import BaseModel, Field
from flask_openapi3 import OpenAPI
app = OpenAPI(__name__)
app.config["TESTING"] = True
@pytest.fixture
def client():
client = app.test_client()
return client
class LoginRequest(BaseModel):
email: str = Field(..., description="User email")
password: str = Field(..., description="User password")
@app.post("/login")
def login(body: LoginRequest):
return {"message": f"Login successful for {body.email}"}
def test_pydantic_validation_error_schema(client):
resp = client.get("/openapi/openapi.json")
assert resp.status_code == 200
schemas = resp.json["components"]["schemas"]
assert "ValidationErrorModel" in schemas
validation_error_schema = schemas["ValidationErrorModel"]
properties = validation_error_schema["properties"]
assert "type" in properties
assert "loc" in properties
assert "msg" in properties
assert "input" in properties
assert "url" in properties
assert "ctx" in properties
assert properties["type"]["type"] == "string"
assert properties["loc"]["type"] == "array"
assert properties["msg"]["type"] == "string"
required_fields = validation_error_schema.get("required", [])
assert "type" in required_fields
assert "loc" in required_fields
assert "msg" in required_fields
assert "input" in required_fields
assert "ctx" not in required_fields
def test_pydantic_validation_error_response(client):
resp = client.post(
"/login",
json={"invalid_field": "test"},
content_type="application/json",
)
assert resp.status_code == 422
errors = resp.json
assert isinstance(errors, list)
assert len(errors) > 0
error = errors[0]
assert "type" in error
assert "loc" in error
assert "msg" in error
assert "input" in error
assert isinstance(error["type"], str)
assert isinstance(error["loc"], list)
assert isinstance(error["msg"], str)
assert error["type"] in ["missing", "string_type", "value_error", "extra_forbidden"]
def test_pydantic_missing_field_error_response(client):
resp = client.post(
"/login",
json={},
content_type="application/json",
)
assert resp.status_code == 422
errors = resp.json
assert len(errors) >= 2
email_error = None
for error in errors:
if error.get("loc") == ["email"]:
email_error = error
break
assert email_error is not None
assert email_error["type"] == "missing"
assert email_error["msg"] == "Field required"
assert email_error["input"] == {}
|
