def test_env_var_is_set_then_gets_removed_without_default_raises_exception(self):
os.environ["FOO"] = "BAR"
config = Config()
config.from_envar("FOO")
del os.environ["FOO"]
with pytest.raises(KeyError):
config["FOO"]
def test_from_env_var_with_default_value(self):
config = Config()
os.environ["FOO"] = "BAR"
config.from_envar("FOO", default="BAZ")
assert config["FOO"] == "BAR"
del os.environ["FOO"]
assert config["FOO"] == "BAZ"
def test_from_envar_that_doesnt_exist_raises_warning(self):
config = Config()
with pytest.warns(RuntimeWarning) as warn:
config.from_envar("BAR")
assert len(warn) == 1
assert "not found" in warn[0].message.args[0]
def test_env_var_is_set_then_gets_removed_with_default_value_set():
config = Config()
config.from_object(DevConfig)
config.from_envar("FOO")
assert config["FOO"] == "BAR"
del os.environ["FOO"]
assert config["FOO"] == "BAZ"
def test_from_envar_and_change_after_setting_value(self):
os.environ["FOO"] = "BAR"
config = Config()
config.from_envar("FOO")
assert config["FOO"] == "BAR"
os.environ["FOO"] = "BAZ"
assert config["FOO"] == "BAZ"
del os.environ["FOO"]
def test_from_env_var_with_default_value_and_alias(self):
config = Config()
os.environ["FOO"] = "BAR"
config.from_envar("FOO", rename="FOOBAR", default="BAZ")
assert config["FOOBAR"] == "BAR"
del os.environ["FOO"]
assert config["FOOBAR"] == "BAZ"
with pytest.raises(KeyError):
config["FOO"] # should not be part of config
def test_env_var_can_be_renamed(self):
try:
del os.environ["FOO_DEBUG"]
except KeyError:
pass
os.environ["FOO_DEBUG"] = "true"
config = Config()
config.from_envar("FOO_DEBUG", rename="DEBUG")
assert config["DEBUG"] is True
def test_user_can_change_value_manually_but_env_value_takes_precedence(self):
os.environ["FOO"] = "expected"
config = Config()
config["FOO"] = "not expected"
config.from_envar("FOO")
assert config["FOO"] == "expected"
def test_from_envar_that_doesnt_exist_but_exists_in_config_object(self):
config = Config()
config["BAR"] = "BAZ"
config.from_envar("BAR")
assert "BAR" in config
assert config["BAR"] == "BAZ"
def test_from_env_var_that_equals_not_found(self):
config = Config()
os.environ["FOO"] = "not found"
config.from_envar("FOO")
assert config["FOO"] == "not found"
# -*- coding: utf-8 -*-
# alternatively, you can load config values from a .env file path
# note: you can choose which file is more important, .env or from object
# by choosing which order to load the files in
from pathlib import Path
from configureme import Config
from .config import DevConfig
# create your config object to be used in your application
config = Config()
# load your configuration from a default object
config.from_object(DevConfig)
path = Path("examples/basic") / ".env"
config.from_dotenv(str(path))
# you can also watch environment variables
# note: environment variables will always take precedence
# over any other value
config.from_envar("TESTING")