def test_two_args__integer_ranges__closed(self):
self._assertIntegerFunctionsEqual(
And_.BETWEEN(5, 10),
__unit__.and_(And_.GREATER_THAN(5), And_.LESS_THAN(10)))
self._assertIntegerFunctionsEqual(
And_.FALSE, __unit__.and_(And_.GREATER_THAN(10),
And_.LESS_THAN(5)))
def test_two_args__integer_ranges__closed(self):
self._assertIntegerFunctionsEqual(
And_.BETWEEN(5, 10),
__unit__.and_(And_.GREATER_THAN(5), And_.LESS_THAN(10)))
self._assertIntegerFunctionsEqual(
And_.FALSE,
__unit__.and_(And_.GREATER_THAN(10), And_.LESS_THAN(5)))
def test_two_args__integer_ranges__half_open(self):
self._assertIntegerFunctionsEqual(
And_.GREATER_THAN(10), # higher minimum "wins"
__unit__.and_(And_.GREATER_THAN(5), And_.GREATER_THAN(10)))
self._assertIntegerFunctionsEqual(
And_.LESS_THAN(5), # lower maximum "wins"
__unit__.and_(And_.LESS_THAN(5), And_.LESS_THAN(10)))
def test_two_args__integer_ranges__half_open(self):
self._assertIntegerFunctionsEqual(
And_.GREATER_THAN(10), # higher minimum "wins"
__unit__.and_(And_.GREATER_THAN(5), And_.GREATER_THAN(10)))
self._assertIntegerFunctionsEqual(
And_.LESS_THAN(5), # lower maximum "wins"
__unit__.and_(And_.LESS_THAN(5), And_.LESS_THAN(10)))
def test_two_args__boolean_functions(self):
self._assertBooleanFunctionsEqual(And_.TRUE,
__unit__.and_(And_.TRUE, And_.TRUE))
self._assertBooleanFunctionsEqual(And_.FALSE,
__unit__.and_(And_.TRUE, And_.FALSE))
self._assertBooleanFunctionsEqual(And_.FALSE,
__unit__.and_(And_.FALSE, And_.TRUE))
self._assertBooleanFunctionsEqual(
And_.FALSE, __unit__.and_(And_.FALSE, And_.FALSE))
def test_two_args__boolean_functions(self):
self._assertBooleanFunctionsEqual(
And_.TRUE, __unit__.and_(And_.TRUE, And_.TRUE))
self._assertBooleanFunctionsEqual(
And_.FALSE, __unit__.and_(And_.TRUE, And_.FALSE))
self._assertBooleanFunctionsEqual(
And_.FALSE, __unit__.and_(And_.FALSE, And_.TRUE))
self._assertBooleanFunctionsEqual(
And_.FALSE, __unit__.and_(And_.FALSE, And_.FALSE))
def test_three_args__even_integer_intervals(self):
self._assertIntegerFunctionsEqual(
And_.EVEN_BETWEEN(5, 10),
__unit__.and_(And_.GREATER_THAN(5), And_.LESS_THAN(10),
And_.DIVISIBLE_BY(2)))
self._assertIntegerFunctionsEqual(
And_.FALSE, # because there are no even numbers in range
__unit__.and_(And_.GREATER_THAN(6), And_.LESS_THAN(7),
And_.DIVISIBLE_BY(2)))
self._assertIntegerFunctionsEqual(
And_.FALSE, # because there are no numbers in range
__unit__.and_(And_.GREATER_THAN(10), And_.LESS_THAN(5),
And_.DIVISIBLE_BY(2)))
def test_three_args__even_integer_intervals(self):
self._assertIntegerFunctionsEqual(
And_.EVEN_BETWEEN(5, 10),
__unit__.and_(And_.GREATER_THAN(5), And_.LESS_THAN(10),
And_.DIVISIBLE_BY(2)))
self._assertIntegerFunctionsEqual(
And_.FALSE, # because there are no even numbers in range
__unit__.and_(And_.GREATER_THAN(6), And_.LESS_THAN(7),
And_.DIVISIBLE_BY(2)))
self._assertIntegerFunctionsEqual(
And_.FALSE, # because there are no numbers in range
__unit__.and_(And_.GREATER_THAN(10), And_.LESS_THAN(5),
And_.DIVISIBLE_BY(2)))
def test_one_arg__false(self):
self._assertBooleanFunctionsEqual(And_.FALSE,
__unit__.and_(And_.FALSE))
def test_one_arg__true(self):
self._assertBooleanFunctionsEqual(And_.TRUE, __unit__.and_(And_.TRUE))
def test_one_arg__none(self):
with self.assertRaises(TypeError):
__unit__.and_(None)
def test_no_args(self):
with self.assertRaises(TypeError):
__unit__.and_()
def test_one_arg__false(self):
self._assertBooleanFunctionsEqual(And_.FALSE, __unit__.and_(And_.FALSE))
def test_one_arg__true(self):
self._assertBooleanFunctionsEqual(And_.TRUE, __unit__.and_(And_.TRUE))
def test_one_arg__none(self):
with self.assertRaises(TypeError):
__unit__.and_(None)
def test_no_args(self):
with self.assertRaises(TypeError):
__unit__.and_()
result = breadth_first(class_, ascend)
next(result) # omit ``class_`` itself
return result
# Metaclass utilities
def is_metaclass(obj):
"""Checks whether given object is a metaclass.
:return: ``True`` if object is a metaclass, ``False`` otherwise
"""
return issubclass(obj, type)
def ensure_metaclass(arg):
"""Check whether argument is a metaclass.
:return: Argument, if it's a metaclass
:raise TypeError: When argument is not a metaclass
"""
if not is_metaclass(arg):
raise TypeError("expected a metaclass, got %s instead" %
type(arg).__name__)
return arg
# Expose the :class:`metaclass` decorator after augmenting it with type checks.
metaclass = _wrap_decorator(metaclass, "non-meta classes",
and_(inspect.isclass, not_(is_metaclass)))
metaclass.__name__ = 'metaclass'
result = breadth_first(class_, ascend)
next(result) # omit ``class_`` itself
return result
# Metaclass utilities
def is_metaclass(obj):
"""Checks whether given object is a metaclass.
:return: ``True`` if object is a metaclass, ``False`` otherwise
"""
return issubclass(obj, type)
def ensure_metaclass(arg):
"""Check whether argument is a metaclass.
:return: Argument, if it's a metaclass
:raise TypeError: When argument is not a metaclass
"""
if not is_metaclass(arg):
raise TypeError(
"expected a metaclass, got %s instead" % type(arg).__name__)
return arg
# Expose the :class:`metaclass` decorator after augmenting it with type checks.
metaclass = _wrap_decorator(metaclass, "non-meta classes",
and_(inspect.isclass, not_(is_metaclass)))
metaclass.__name__ = 'metaclass'