sanic/tests/test_config.py
2018-10-07 00:14:37 +02:00

106 lines
2.8 KiB
Python

from os import environ
import pytest
from tempfile import NamedTemporaryFile
from sanic import Sanic
def test_load_from_object(app):
class Config:
not_for_config = 'should not be used'
CONFIG_VALUE = 'should be used'
app.config.from_object(Config)
assert 'CONFIG_VALUE' in app.config
assert app.config.CONFIG_VALUE == 'should be used'
assert 'not_for_config' not in app.config
def test_auto_load_env():
environ["SANIC_TEST_ANSWER"] = "42"
app = Sanic()
assert app.config.TEST_ANSWER == 42
del environ["SANIC_TEST_ANSWER"]
def test_dont_load_env():
environ["SANIC_TEST_ANSWER"] = "42"
app = Sanic(load_env=False)
assert getattr(app.config, 'TEST_ANSWER', None) is None
del environ["SANIC_TEST_ANSWER"]
def test_load_env_prefix():
environ["MYAPP_TEST_ANSWER"] = "42"
app = Sanic(load_env='MYAPP_')
assert app.config.TEST_ANSWER == 42
del environ["MYAPP_TEST_ANSWER"]
def test_load_from_file(app):
config = b"""
VALUE = 'some value'
condition = 1 == 1
if condition:
CONDITIONAL = 'should be set'
"""
with NamedTemporaryFile() as config_file:
config_file.write(config)
config_file.seek(0)
app.config.from_pyfile(config_file.name)
assert 'VALUE' in app.config
assert app.config.VALUE == 'some value'
assert 'CONDITIONAL' in app.config
assert app.config.CONDITIONAL == 'should be set'
assert 'condition' not in app.config
def test_load_from_missing_file(app):
with pytest.raises(IOError):
app.config.from_pyfile('non-existent file')
def test_load_from_envvar(app):
config = b"VALUE = 'some value'"
with NamedTemporaryFile() as config_file:
config_file.write(config)
config_file.seek(0)
environ['APP_CONFIG'] = config_file.name
app.config.from_envvar('APP_CONFIG')
assert 'VALUE' in app.config
assert app.config.VALUE == 'some value'
def test_load_from_missing_envvar(app):
with pytest.raises(RuntimeError) as e:
app.config.from_envvar('non-existent variable')
assert str(e.value) == ("The environment variable 'non-existent "
"variable' is not set and thus configuration "
"could not be loaded.")
def test_overwrite_exisiting_config(app):
app.config.DEFAULT = 1
class Config:
DEFAULT = 2
app.config.from_object(Config)
assert app.config.DEFAULT == 2
def test_overwrite_exisiting_config_ignore_lowercase(app):
app.config.default = 1
class Config:
default = 2
app.config.from_object(Config)
assert app.config.default == 1
def test_missing_config(app):
with pytest.raises(AttributeError) as e:
app.config.NON_EXISTENT
assert str(e.value) == ("Config has no 'NON_EXISTENT'")