def test_user_can_use_number_types_with_dotenv(env_path):
config = Tailor()
config.from_dotenv(env_path)
assert isinstance(config["MAX_LINES"], int)
assert config["MAX_LINES"] == 10
assert isinstance(config["TEMPERATURE"], float)
assert config["TEMPERATURE"] == 98.2
def test_from_envar_that_doesnt_exist_raises_warning():
config = Tailor()
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_dunder_ne():
config_one = Tailor()
config_one["DEBUG"] = True
config_two = Tailor()
config_two["DEBUG"] = False
assert config_one != config_two
def test_dunder_eq():
config_one = Tailor()
config_one["DEBUG"] = True
config_two = Tailor()
config_two["DEBUG"] = True
assert config_one == config_two
def test_env_var_can_be_renamed():
try:
del os.environ["FOO_DEBUG"]
except KeyError:
pass
assert os.getenv("FOO_DEBUG") is None
os.environ["FOO_DEBUG"] = "true"
config = Tailor()
config.from_envar("FOO_DEBUG", rename="DEBUG")
assert config["DEBUG"] is True
def test_env_var_is_set_then_gets_removed_with_default_value_set():
config = Tailor()
config.from_object(DevConfig)
config.from_envar("FOO")
assert config["FOO"] == "BAR"
del os.environ["FOO"]
assert config["FOO"] == "BAZ"
def test_from_obj_and_then_dotenv(env_path):
config = Tailor()
config.from_dotenv(env_path)
config.from_object(DevConfig)
assert "DEBUG" in config
assert "TESTING" in config
assert config["DEBUG"] is True
assert config["TESTING"] is False
# -*- 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 pytailor import Tailor
from .config import DevConfig
# create your config object to be used in your application
config = Tailor()
# 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")
def test_user_can_change_value_manually_but_env_value_takes_precedence():
config = Tailor()
config["FOO"] = "BAZ"
assert config["FOO"] == "BAR"
def test_user_can_change_value_manually():
config = Tailor()
config["BAZ"] = "FOO"
assert config["BAZ"] == "FOO"
def test_env_var_is_set_then_gets_removed_without_default_raises_exception():
config = Tailor()
config.from_envar("FOO")
del os.environ["FOO"]
with pytest.raises(ValueError):
config["FOO"]
def test_from_envar_and_change_after_setting_value():
config = Tailor()
config.from_envar("FOO")
assert config["FOO"] == "BAR"
os.environ["FOO"] = "BAZ"
assert config["FOO"] == "BAZ"
def test_from_envar_that_doesnt_exist_but_exists_in_config_object():
config = Tailor()
config["BAR"] = "BAZ"
config.from_envar("BAR")
assert "BAR" in config
assert config["BAR"] == "BAZ"
def test_from_dotenv(env_path):
config = Tailor()
config.from_dotenv(env_path)
assert "DEBUG" in config
assert config["DEBUG"] is True
def test_from_object():
config = Tailor()
config.from_object(DevConfig)
assert "DEBUG" in config
assert config["DEBUG"] is True
def test_dunder_str():
expected = "{'DEBUG': True}"
config = Tailor()
config["DEBUG"] = True
assert str(config) == expected