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import pytest
from mopidy.audio import utils
from mopidy.internal.gi import Gst
class TestCreateBuffer:
def test_creates_buffer(self):
buf = utils.create_buffer(b"123", timestamp=0, duration=1000000)
assert isinstance(buf, Gst.Buffer)
assert buf.pts == 0
assert buf.duration == 1000000
assert buf.get_size() == len(b"123")
def test_fails_if_data_has_zero_length(self):
with pytest.raises(ValueError) as excinfo:
utils.create_buffer(b"", timestamp=0, duration=1000000)
assert "Cannot create buffer without data" in str(excinfo.value)
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