def test_lazylist_multi_map_iterable_and_callable():
class double_func(collections.Iterable):
def __call__(self, x, **kwargs):
return x * 2
def __iter__(self):
yield 1
f = double_func()
two_func = lambda: 2
ll = LazyList([two_func])
with raises(ValueError):
ll.map(f)
def test_lazylist_multi_map_iterable_and_callable():
class double_func(collections_abc.Iterable):
def __call__(self, x, **kwargs):
return x * 2
def __iter__(self):
yield 1
f = double_func()
two_func = lambda: 2
ll = LazyList([two_func])
with raises(ValueError):
ll.map(f)
def test_lazylist_multi_map_iterable_and_callable():
class double_func(collections.Iterable):
def __call__(self, x, **kwargs):
return x * 2
def __iter__(self):
yield 1
f = double_func()
two_func = lambda: 2
ll = LazyList([two_func])
ll.map(f)
assert 1
def test_lazylist_map():
two_func = lambda: 2
double_func = lambda x: x * 2
ll = LazyList([two_func])
ll_mapped = ll.map(double_func)
assert id(ll) != id(ll_mapped)
assert ll_mapped[0] == 4
def test_lazylist_map_no_call():
mock_func = Mock()
double_func = lambda x: x * 2
ll = LazyList([mock_func])
ll_mapped = ll.map(double_func)
assert id(ll) != id(ll_mapped)
mock_func.assert_not_called()
def test_lazylist_map():
two_func = lambda: 2
double_func = lambda x: x * 2
ll = LazyList([two_func])
ll_mapped = ll.map(double_func)
assert id(ll) != id(ll_mapped)
assert ll_mapped[0] == 4
def test_lazylist_map_no_call():
mock_func = Mock()
double_func = lambda x: x * 2
ll = LazyList([mock_func])
ll_mapped = ll.map(double_func)
assert id(ll) != id(ll_mapped)
mock_func.assert_not_called()
def test_lazylist_multi_map():
two_func = lambda: 2
double_func = [lambda x: x * 2] * 2
ll = LazyList([two_func] * 2)
ll_mapped = ll.map(double_func)
assert len(ll_mapped) == 2
assert id(ll) != id(ll_mapped)
assert all(x == 4 for x in ll_mapped)
def test_lazylist_multi_map():
two_func = lambda: 2
double_func = [lambda x: x * 2] * 2
ll = LazyList([two_func] * 2)
ll_mapped = ll.map(double_func)
assert len(ll_mapped) == 2
assert id(ll) != id(ll_mapped)
assert all(x == 4 for x in ll_mapped)
def test_lazylist_multi_map_unequal_lengths():
two_func = lambda: 2
double_func = [lambda x: x * 2] * 2
ll = LazyList([two_func])
with raises(ValueError):
ll.map(double_func)
def test_lazylist_multi_map_unequal_lengths():
two_func = lambda: 2
double_func = [lambda x: x * 2] * 2
ll = LazyList([two_func])
with raises(ValueError):
ll.map(double_func)
def test_lazylist_multi_map_unequal_lengths():
two_func = lambda: 2
double_func = [lambda x: x * 2] * 2
ll = LazyList([two_func])
ll.map(double_func)
