def _test_really_huge_input():
cat = bincmd('cat')
sum = 0
BUFSIZE = 10000
TIMES = 10000
with open('/dev/zero', 'rb') as fd:
for x in cat(islice(iter(lambda: fd.read(BUFSIZE), ''), TIMES)):
sum += len(x)
eq_(sum, BUFSIZE * TIMES)
def test_nonexistent_command():
with open('/dev/null', 'wb') as null:
ok_(call(bincmd('echo foo | bar --baz', stderr=null)) != 0)