def test__django_keys__initialization():
""" Tests that DjangoKeys instance is constructed correctly.
"""
keys = DjangoKeys(EXAMPLE1_ENV_PATH)
assert keys.str("DOMAIN") == "example.org"
assert keys.str("ADMIN_EMAIL") == "*****@*****.**"
assert keys.str("ROOT_URL") == "example.org/app"
assert keys.str("HELLO") == "nobody answers back"
def test__django_keys__overwriting_env_variables__allowed():
""" If overwrite=True, environment variable can be overwritten by .env.
"""
with use_environment_variable('MY_EXAMPLE_VAR_6274', 'original'):
keys = DjangoKeys(DJANGOKEYS_OVERWRITING_ENV_PATH)
assert keys.str('MY_EXAMPLE_VAR_6274', overwrite=True) == "overwritten"
def test__django_keys__overwriting_env_variables__disallowed():
""" If overwrite=False, environment variable cannot be overwritten by .env.
"""
with use_environment_variable('DK_TEST_KEY', 'value'):
keys = DjangoKeys(EMPTY_ENV_PATH)
assert keys.str('DK_TEST_KEY') == "value"
def test__django_keys_str__regular_string():
""" A string is interpreted as is.
"""
keys = DjangoKeys(DJANGOKEYS_ACCESSING_TYPES_ENV_PATH)
assert keys.str("STR_VALUE") == "helLo WOrld"
def test__django_keys_str__empty_string():
""" An empty value is interpreted as an empty string.
"""
keys = DjangoKeys(DJANGOKEYS_ACCESSING_TYPES_ENV_PATH)
assert keys.str("EMPTY_VALUE") == ""
def test__django_keys_str__not_found():
""" An appropriate exception is raised when env var is not set.
"""
keys = DjangoKeys(DJANGOKEYS_ACCESSING_TYPES_ENV_PATH)
with pytest.raises(EnvironmentVariableNotFound):
keys.str("DOES_NOT_EXIST")