def test_invalid_mode(self, monkeypatch):
"""Invalid mode raises ValueError."""
monkeypatch.setenv('SOME_MODE', 'foo')
with pytest.raises(ValueError) as cm:
fern.Env('SOME_MODE')
assert str(cm.value) == (
"Mode from SOME_MODE env var must be one of ['dev', 'prod'], not 'foo'."
)
def test_mode(self, monkeypatch):
"""Instantiate with name of env var whose value contains the mode."""
monkeypatch.setenv('MY_MODE', 'dev')
assert fern.Env('MY_MODE').mode == 'dev'
def env(self, monkeypatch):
"""Get an Env instance with default mode."""
monkeypatch.delenv('MODE', raising=False)
return fern.Env('MODE')
def test_no_mode_env_var(self):
assert fern.Env().mode == 'dev'
def test_specify_valid_modes_and_default(self, monkeypatch):
monkeypatch.delenv('MODE', raising=False)
assert fern.Env('MODE', ['good', 'bad'], 'bad').mode == 'bad'
def test_specify_valid_modes(self, monkeypatch):
monkeypatch.setenv('A_MODE', 'good')
assert fern.Env('A_MODE', ['good', 'bad']).mode == 'good'
def test_default_mode(self, monkeypatch):
"""Default mode is 'dev'."""
monkeypatch.delenv('MODE', raising=False)
assert fern.Env('MODE').mode == 'dev'