def test_validators_and_converters(self):
"""Custom converters of ValidatedDict are called correctly."""
def is_positive(value):
if value <= 0:
raise TypeError("value is not positive")
# Validators are run after converters.
d = ValidatedDict({
"a": 1,
"b": 2,
"c": -3
},
converter=abs,
validator=is_positive)
assert d == {"a": 1, "b": 2, "c": 3}
# __setitem__
d[2] = -1
assert d[2] == 1
with pytest.raises(TypeError, match="value is not positive"):
d[2] = 0
# update()
d.update({"x": 6, "y": -1})
assert d["y"] == 1
with pytest.raises(TypeError, match="value is not positive"):
d.update({6: 0})
d.update((("x", 6), ("y", -1)))
assert d["y"] == 1
def test_multiple_validators(self):
"""Multiple converters of ValidatedDict are called in order."""
def is_positive(value):
if value <= 0:
raise TypeError('value must be positive')
def is_odd(value):
if value % 2 == 0:
raise TypeError('value must be odd')
with pytest.raises(TypeError, match='value must be positive'):
ValidatedDict({'first': -1, 'second': -3}, validator=[is_positive, is_odd])
with pytest.raises(TypeError, match='value must be odd'):
ValidatedDict({'first': 2, 'second': 4}, validator=[is_positive, is_odd])
def test_multiple_validators(self):
"""Multiple converters of ValidatedDict are called in order."""
def is_positive(value):
if value <= 0:
raise TypeError("value must be positive")
def is_odd(value):
if value % 2 == 0:
raise TypeError("value must be odd")
with pytest.raises(TypeError, match="value must be positive"):
ValidatedDict({
"first": -1,
"second": -3
},
validator=[is_positive, is_odd])
with pytest.raises(TypeError, match="value must be odd"):
ValidatedDict({
"first": 2,
"second": 4
},
validator=[is_positive, is_odd])
def test_validators_and_converters(self):
"""Custom converters of ValidatedDict are called correctly."""
def is_positive(value):
if value <= 0:
raise TypeError('value is not positive')
# Validators are run after converters.
d = ValidatedDict({'a': 1, 'b': 2, 'c': -3}, converter=abs, validator=is_positive)
assert d == {'a': 1, 'b': 2, 'c': 3}
# __setitem__
d[2] = -1
assert d[2] == 1
with pytest.raises(TypeError, match='value is not positive'):
d[2] = 0
# update()
d.update({'x': 6, 'y': -1})
assert d['y'] == 1
with pytest.raises(TypeError, match='value is not positive'):
d.update({6: 0})
d.update((('x', 6), ('y', -1)))
assert d['y'] == 1
def test_validators(self):
"""Validators of ValidatedDict are called correctly."""
def is_positive(value):
if value <= 0:
raise TypeError("value is not positive")
# The constructor should check all elements.
with pytest.raises(TypeError, match="value is not positive"):
ValidatedDict({"a": 1, "b": -2}, validator=is_positive)
d = ValidatedDict({"x": 1, "y": 2, "z": 3}, validator=is_positive)
# __setitem__()
with pytest.raises(TypeError, match="value is not positive"):
d["me!"] = -1
# update()
with pytest.raises(TypeError, match="value is not positive"):
d.update((("moe", 2), ("larry", 3), ("curly", -4)))
with pytest.raises(TypeError, match="value is not positive"):
d.update({"moe": 2, "larry": 3, "curly": -4})
def test_validators(self):
"""Validators of ValidatedDict are called correctly."""
def is_positive(value):
if value <= 0:
raise TypeError('value is not positive')
# The constructor should check all elements.
with pytest.raises(TypeError, match='value is not positive'):
ValidatedDict({'a': 1, 'b': -2}, validator=is_positive)
d = ValidatedDict({'x': 1, 'y': 2, 'z': 3}, validator=is_positive)
# __setitem__()
with pytest.raises(TypeError, match='value is not positive'):
d['me!'] = -1
# update()
with pytest.raises(TypeError, match='value is not positive'):
d.update((('moe', 2), ('larry', 3), ('curly', -4)))
with pytest.raises(TypeError, match='value is not positive'):
d.update({'moe': 2, 'larry': 3, 'curly': -4})
def test_converters(self):
"""Custom converters of ValidatedDict are called correctly."""
# All elements are converted on construction.
d = ValidatedDict({"x": 1, "y": 2.0, "z": "3"}, converter=int)
assert d == {"x": 1, "y": 2, "z": 3}
# __setitem__()
d["y"] = "4"
assert d["y"] == 4
d["w"] = "-20"
assert d["w"] == -20
# update()
d.update({6: "7"})
assert d[6] == 7
d.update(((6, "8"), ("shemp", "-30")))
assert d[6] == 8
assert d["shemp"] == -30
def test_converters(self):
"""Custom converters of ValidatedDict are called correctly."""
# All elements are converted on construction.
d = ValidatedDict({'x': 1, 'y': 2.0, 'z': '3'}, converter=int)
assert d == {'x': 1, 'y': 2, 'z': 3}
# __setitem__()
d['y'] = '4'
assert d['y'] == 4
d['w'] = '-20'
assert d['w'] == -20
# update()
d.update({6: '7'})
assert d[6] == 7
d.update(((6, '8'), ('shemp', '-30')))
assert d[6] == 8
assert d['shemp'] == -30
def test_copy(self):
"""A copy of a ValidatedDict returns another ValidatedDict."""
d = ValidatedDict({"a": 1, "b": 2, "c": 3})
assert isinstance(d.copy(), ValidatedDict)
assert isinstance(copy.copy(d), ValidatedDict)
assert isinstance(copy.deepcopy(d), ValidatedDict)
def test_multiple_converters(self):
"""Multiple converters of ValidatedDict are called in order."""
d = ValidatedDict({"u": 1, "v": 2, "w": -3}, converter=[abs, str])
assert d == {"u": "1", "v": "2", "w": "3"}
def test_copy(self):
"""A copy of a ValidatedDict returns another ValidatedDict."""
d = ValidatedDict({'a': 1, 'b': 2, 'c': 3})
assert isinstance(d.copy(), ValidatedDict)
assert isinstance(copy.copy(d), ValidatedDict)
assert isinstance(copy.deepcopy(d), ValidatedDict)
def test_multiple_converters(self):
"""Multiple converters of ValidatedDict are called in order."""
d = ValidatedDict({'u': 1, 'v': 2, 'w': -3}, converter=[abs, str])
assert d == {'u': '1', 'v': '2', 'w': '3'}