def test_ok():
with patch("os.environ", {"foo": "quux", "bar": "10", "baz": "True"}):
assert load_env(fields(Config)) == {
"foo": "quux",
"bar": 10,
"baz": True
}
def test_parses_string(self):
with patch("os.environ", {"foo": "bar"}):
assert load_env(fields(Config)) == {"foo": "bar"}
def test_with_no_value(self):
with patch("os.environ", {"foo": ""}):
assert load_env(fields(Config)) == {"foo": ""}
def test_parses_bool_falsy_value(self, val):
with patch("os.environ", {"baz": val}):
assert load_env(fields(Config)) == {"baz": False}
def test_raises_on_invalid_value(self):
with raises(ConfigError):
with patch("os.environ", {"baz": "quux"}):
load_env(fields(Config))
def test_prefix_multiple_underscore(self):
env = {"prefix__foo": "quux"}
with patch("os.environ", env):
actual = load_env(fields(Config), env_prefix="prefix__")
assert actual == {"foo": "quux"}
def test_with_prefix(self, prefix):
env = {"prefix_foo": "quux", "PREFIX_BAR": "10"}
with patch("os.environ", env):
actual = load_env(fields(Config), env_prefix=prefix)
assert actual == {"foo": "quux", "bar": 10}
def test_parses_negative_numbers(self, val):
with patch("os.environ", {"bar": val}):
assert load_env(fields(Config)) == {"bar": -10}
def test_tries_read_uppercase(self):
with patch("os.environ", {"FOO": "blep"}):
assert load_env(fields(Config)) == {"foo": "blep"}
def test_prefers_same_case(self):
with patch("os.environ", {"foo": "quux", "FOO": "blep"}):
assert load_env(fields(Config)) == {"foo": "quux"}
def test_ignores_unknown_env():
assert load_env(fields(Config)) == {}
def test_empty_env():
with patch("os.environ", {}):
assert load_env(fields(Config)) == {}
def test_fails_on_invalid_value(self):
with raises(ConfigError):
with patch("os.environ", {"bar": "no"}):
load_env(fields(Config))
def test_parses_strings_with_whitespace(self):
with patch("os.environ", {"foo": "bar baz quux"}):
assert load_env(fields(Config)) == {"foo": "bar baz quux"}
def test_mixed_case(self):
env = {"foo": "quux", "BAR": "10", "Baz": "False"}
with patch("os.environ", env):
actual = load_env(fields(Config))
assert actual == {"foo": "quux", "bar": 10}
def test_parses_strings_with_quotes(self):
with patch("os.environ", {"foo": 'bar="baz"'}):
assert load_env(fields(Config)) == {"foo": 'bar="baz"'}
def test_parses_ok(self, val):
with patch("os.environ", {"bar": val}):
assert load_env(fields(Config)) == {"bar": 10}
