def test_many_short():
stream = Stream.from_iterable(range(100))
validate_stream(stream, 100, int)
stream_repr = repr(stream)
validate_header(stream_repr)
assert ', ' in stream_repr
assert stream_repr.endswith('...')
def test_few_short():
stream = Stream.from_iterable(range(3))
validate_stream(stream, 3, int)
stream_repr = repr(stream)
validate_header(stream_repr)
assert ', ' in stream_repr
assert not stream_repr.endswith('...')
def test_from_iterable_tuple():
values = [
[1, 2, 3],
['a', 'b', 'c'],
['x', 'y', 'z'],
]
iter_stream = Stream.from_iterable(values)
validate_stream(iter_stream, 3, list, 3)
def test_many_long():
long_string = string.ascii_letters * 2
stream = Stream.from_iterable([long_string,] * 100)
validate_stream(stream, 100, str, len(long_string))
stream_repr = repr(stream)
validate_header(stream_repr)
assert ',\n' in stream_repr
assert stream_repr.endswith('...')
def test_from_iterable():
iter_stream = Stream.from_iterable([1, 2, 3])
validate_stream(iter_stream, 3, int)
def test_no_func():
none_stream = Stream.from_iterable([1, 2, None, 3, 4, None, 5])
validate_stream(none_stream, 7, (int, type(None)))
filter_stream = none_stream.filter()
validate_stream(filter_stream, 5, int)
def test_empty_tuple_stream():
empty_tuple_stream = Stream.from_iterable(())
unbatched_stream = empty_tuple_stream.unbatch()
validate_stream(unbatched_stream, 0, object)