def test_verify_key__str_list_values():
"""If the type is list, the items inside should be strings."""
conf = Config()
conf.foo = ["bar", 3.14, "baz"]
conf._verify_key("foo", list)
assert conf.foo == ["bar", "3.14", "baz"]
def test_verify_key__dict_types():
"""If a dict is provided with types, the key/values should be coerced."""
conf = Config()
conf.foo = {3.14: "500.123"}
conf._verify_key("foo", {str: float})
assert conf.foo == {"3.14": 500.123}
def test_verify_key__failure_coerce():
"""Should try to coerce values into their types when not list or dict."""
conf = Config()
conf.foo = 3.14
conf._verify_key("foo", str)
assert conf.foo == "3.14"
def test_verify_key__list_object():
"""If an attribute should be a list, it should be listed."""
conf = Config()
conf.foo = "not a list"
conf._verify_key("foo", list)
assert conf.foo == ["not a list"]
def test_verify_key__failure_coerce():
"""Should try to coerce values into their types when not list or dict."""
conf = Config()
conf.foo = 3.14
conf._verify_key("foo", str)
assert conf.foo == "3.14"
def test_verify_key__str_list_values():
"""If the type is list, the items inside should be strings."""
conf = Config()
conf.foo = ["bar", 3.14, "baz"]
conf._verify_key("foo", list)
assert conf.foo == ["bar", "3.14", "baz"]
def test_verify_key__list_object():
"""If an attribute should be a list, it should be listed."""
conf = Config()
conf.foo = "not a list"
conf._verify_key("foo", list)
assert conf.foo == ["not a list"]
def test_verify_key__dict_types():
"""If a dict is provided with types, the key/values should be coerced."""
conf = Config()
conf.foo = {3.14: "500.123"}
conf._verify_key("foo", {str: float})
assert conf.foo == {"3.14": 500.123}
def test_verify_key__failure():
"""If unable to coerce into the expected type, raise TypeError."""
conf = Config()
conf.foo = "something"
with pytest.raises(TypeError) as error:
conf._verify_key("foo", float)
assert error.value.args[0] == "foo should be a float, not str!"
def test_verify_key__dict_failure():
"""Do not try to coerce something that should be a dict into one."""
conf = Config()
conf.foo = "not a dict"
with pytest.raises(TypeError) as error:
conf._verify_key("foo", {})
assert error.value.args[0] == "foo should be a dict, not str!"
def test_verify_key__dict_failure():
"""Do not try to coerce something that should be a dict into one."""
conf = Config()
conf.foo = "not a dict"
with pytest.raises(TypeError) as error:
conf._verify_key("foo", {})
assert error.value.args[0] == "foo should be a dict, not str!"
def test_verify_key__failure():
"""If unable to coerce into the expected type, raise TypeError."""
conf = Config()
conf.foo = "something"
with pytest.raises(TypeError) as error:
conf._verify_key("foo", float)
assert error.value.args[0] == "foo should be a float, not str!"
def test_verify_key__multiple__fallthrough():
"""If the first coerce fails, try the second."""
conf = Config()
conf.bar = mock.MagicMock(spec=False)
conf.bar.__float__ = mock.Mock(side_effect=ValueError)
conf.bar.__str__ = mock.Mock(return_value="mock str")
conf._verify_key("bar", (float, str))
assert conf.bar == "mock str"
def test_verify_key__multiple__fallthrough():
"""If the first coerce fails, try the second."""
conf = Config()
conf.bar = mock.MagicMock(spec=False)
conf.bar.__float__ = mock.Mock(side_effect=ValueError)
conf.bar.__str__ = mock.Mock(return_value="mock str")
conf._verify_key("bar", (float, str))
assert conf.bar == "mock str"
def test_verify_key__multiple__failure():
"""When unable to coerce to any type, raise TypeError."""
conf = Config()
conf.foo = mock.MagicMock(spec=False)
conf.foo.__float__ = mock.Mock(side_effect=ValueError)
conf.foo.__str__ = mock.Mock(side_effect=ValueError)
with pytest.raises(TypeError) as err:
conf._verify_key("foo", (float, str))
assert err.value.args[0] == "foo should be a float or str, not MagicMock!"
def test_verify_key__multiple__failure():
"""When unable to coerce to any type, raise TypeError."""
conf = Config()
conf.foo = mock.MagicMock(spec=False)
conf.foo.__float__ = mock.Mock(side_effect=ValueError)
conf.foo.__str__ = mock.Mock(side_effect=ValueError)
with pytest.raises(TypeError) as err:
conf._verify_key("foo", (float, str))
assert err.value.args[0] == "foo should be a float or str, not MagicMock!"
def test_verify_key__multiple__allowed():
"""There are some keys where multiple types are allowed."""
conf = Config()
conf.foo = 3.14
conf._verify_key("foo", (list, str))
assert conf.foo == [3.14]
conf.foo = 3.14
conf._verify_key("foo", (str, list)) # assert order matters
assert conf.foo == "3.14"
def test_verify_key__multiple__allowed():
"""There are some keys where multiple types are allowed."""
conf = Config()
conf.foo = 3.14
conf._verify_key("foo", (list, str))
assert conf.foo == [3.14]
conf.foo = 3.14
conf._verify_key("foo", (str, list)) # assert order matters
assert conf.foo == "3.14"