def test_logical_file_populate_frame_array_partial_split():
fobj = io.BytesIO(test_data.BASIC_FILE)
with LogicalFile.LogicalIndex(fobj) as logical_index:
assert len(logical_index) == 1
logical_file = logical_index.logical_files[0]
assert logical_file.has_log_pass
assert len(logical_file.log_pass) == 1
frame_array = logical_file.log_pass[0]
frame_slice = Slice.Sample(64)
frame_count = logical_file.populate_frame_array(
frame_array, frame_slice)
assert frame_count == 64
def test_sample_12(init, expected):
s = Slice.Sample(init)
result = list(s.gen_indices(12))
assert len(result) == min(init, 12)
assert result == expected
def test_sample_long_str(init, length, expected):
s = Slice.Sample(init)
assert s.long_str(length) == expected
def test_sample_str(init, expected):
s = Slice.Sample(init)
assert str(s) == expected
def test_sample_eq():
assert Slice.Sample(7) == Slice.Sample(7)
assert Slice.Sample(7) != 1
def test_sample_indices(init, length, expected):
s = Slice.Sample(init)
assert s.indices(length) == expected
def test_sample_range_enumerate(init, length, expected):
s = Slice.Sample(init)
result = list(enumerate(s.gen_indices(length)))
assert result == expected
def test_sample_range(init, length, expected):
s = Slice.Sample(init)
assert list(s.gen_indices(length)) == expected
def test_sample_count(init, length, expected):
s = Slice.Sample(init)
assert s.count(length) == expected
def test_sample_step(init, length, expected):
s = Slice.Sample(init)
assert s.step(length) == expected
def test_sample_ctor_raises(init, error_message):
with pytest.raises(ValueError) as err:
Slice.Sample(init)
assert err.value.args[0] == error_message
(
# Slice
(',,', Slice.Slice()),
('None,None,None', Slice.Slice()),
('None,None,None ', Slice.Slice()),
(' None,None,None', Slice.Slice()),
('None , None , None', Slice.Slice()),
('None,1,None', Slice.Slice(stop=1)),
('1,10,None', Slice.Slice(1, 10)),
('1,10,2', Slice.Slice(1, 10, 2)),
# ('', Slice.Slice(None, None, None)),
# (',', Slice.Slice(None, None, None)),
# (',1', Slice.Slice(None, 1, None)),
# ('1,', Slice.Slice(1, None, None)),
# Sample
('1', Slice.Sample(1)),
('64', Slice.Sample(64)),
))
def test_create_slice_or_sample(init, expected):
s = Slice.create_slice_or_sample(init)
assert s == expected
@pytest.mark.parametrize(
'init, expected',
(
# Slice
(',,,', 'Wrong number of parts for a Slice in ",,,"'),
('Z,,,', "invalid literal for int() with base 10: 'Z'"),
# Sample
('-1', 'A Sample must be an integer >= 1 not -1'),