# retoor <retoor@molodetz.nl>
from typing import Optional
from pydantic import BaseModel
from devplacepy.docs_api._shared import field
from devplacepy.docs_examples import _is_optional, schema_example
def test_field_nullable_parameter():
f = field("bio", "query", "string", False, "", "User biography", nullable=True)
assert f["nullable"] is True
f2 = field("username", "path", "string", True, "alice", "Target username")
assert f2["nullable"] is False
def test_is_optional_optional_type():
assert _is_optional(Optional[str]) is True
assert _is_optional(Optional[int]) is True
assert _is_optional(Optional[list[str]]) is True
def test_is_optional_non_optional():
assert _is_optional(str) is False
assert _is_optional(int) is False
assert _is_optional(list[str]) is False
assert _is_optional(dict) is False
def test_schema_example_nullable_fields():
class NullableModel(BaseModel):
name: str
bio: Optional[str] = None
age: int
score: Optional[int] = None
tags: Optional[list[str]] = None
result = schema_example(NullableModel)
assert result["name"] == "string"
assert result["age"] == 0
assert result["bio"] is None
assert result["score"] is None
assert result["tags"] is None
def test_schema_example_non_nullable_fields_unaffected():
class StrictModel(BaseModel):
x: str
y: int
z: bool
result = schema_example(StrictModel)
assert result["x"] == "string"
assert result["y"] == 0
assert result["z"] is False