def has_length(x):
"""Evaluates whether len(item) satisfies a given matcher, providing a
shortcut to the frequently used has_length(equal_to(x))
For example: has_length(equal_to(x))
vs. has_length(x)
"""
return HasLength(wrap_shortcut(x))
def only_contains(*items):
"""Matches collections that only contain elements satisfying any of a list
of items.
For example, [1,2,3] would satisfy only_contains(less_than(4)).
If an item is not a matcher, it is equivalent to equal_to(item), so the
list in the example above would also satisfy only_contains(1,2,3).
"""
matchers = []
for item in items:
matchers.append(wrap_shortcut(item))
return IsSequenceOnlyContaining(apply(any_of, matchers))
def has_value(value):
return IsDictContainingValue(wrap_shortcut(value))
def has_key(key):
return IsDictContainingKey(wrap_shortcut(key))
def _wrap_shortcut(x):
if isinstance(x, type):
return instance_of(x)
else:
return wrap_shortcut(x)
def has_item(item):
return IsSequenceContaining(wrap_shortcut(item))
def has_entry(key, value):
return IsDictContaining(wrap_shortcut(key), wrap_shortcut(value))
