Files
pydantic/tests/test_settings.py
T
2017-11-13 15:12:23 +00:00

104 lines
2.3 KiB
Python

from typing import List, Set
import pytest
from pydantic import BaseModel, BaseSettings, NoneStr, ValidationError
from pydantic.env_settings import SettingsError
class SimpleSettings(BaseSettings):
apple: str = ...
def test_sub_env(env):
env.set('APP_APPLE', 'hello')
s = SimpleSettings()
assert s.apple == 'hello'
def test_sub_env_override(env):
env.set('APP_APPLE', 'hello')
s = SimpleSettings(apple='goodbye')
assert s.apple == 'goodbye'
def test_sub_env_missing():
with pytest.raises(ValidationError) as exc_info:
SimpleSettings()
assert """\
error validating input
apple:
None is not an allow value (error_type=TypeError track=str)\
""" == str(exc_info.value)
def test_other_setting(env):
with pytest.raises(ValidationError):
SimpleSettings(apple='a', foobar=42)
def test_env_with_aliass(env):
class Settings(BaseSettings):
apple: str = ...
class Config:
fields = {
'apple': 'BOOM'
}
env.set('BOOM', 'hello')
assert Settings().apple == 'hello'
class DateModel(BaseModel):
pips: bool = False
class ComplexSettings(BaseSettings):
apples: List[str] = []
bananas: Set[int] = set()
carrots: dict = {}
date: DateModel = DateModel()
def test_list(env):
env.set('APP_APPLES', '["russet", "granny smith"]')
s = ComplexSettings()
assert s.apples == ['russet', 'granny smith']
assert s.date.pips is False
def test_set_dict_model(env):
env.set('APP_BANANAS', '[1, 2, 3, 3]')
env.set('APP_CARROTS', '{"a": null, "b": 4}')
env.set('APP_DATE', '{"pips": true}')
s = ComplexSettings()
assert s.bananas == {1, 2, 3}
assert s.carrots == {'a': None, 'b': 4}
assert s.date.pips is True
def test_invalid_json(env):
env.set('APP_APPLES', '["russet", "granny smith",]')
with pytest.raises(SettingsError):
ComplexSettings()
def test_required_sub_model(env):
class Settings(BaseSettings):
foobar: DateModel
with pytest.raises(ValidationError):
Settings()
env.set('APP_FOOBAR', '{"pips": "TRUE"}')
s = Settings()
assert s.foobar.pips is True
def test_non_class(env):
class Settings(BaseSettings):
foobar: NoneStr
env.set('APP_FOOBAR', 'xxx')
s = Settings()
assert s.foobar == 'xxx'