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"""Tests for the audio primitive."""
import xml.etree.ElementTree as et
import pytest
from blc2.functions.audio import Audio
from blc2.constants import BXW
from blc2.exceptions import LoadError
def test_audio(aws):
a = Audio(aws)
a.fade_out = 1000
a.fade_out = 1000
a.fade_in = 1000
a.fade_in = 1000
a.filename = "nonexistant"
assert a.audio_scope == {"nonexistant"}
assert not a.scope
assert a.duration == 0
assert a.actual_duration == 0
a.filename = "tests/silence.m4a"
assert a.filename == "tests/silence.m4a"
assert a.audio_scope == {"tests/silence.m4a"}
assert a.duration == 2024
assert a.actual_duration == 3024
a.fade_out = 500
assert a.fade_out == 500
assert a.duration == 2524
assert a.actual_duration == 3024
lc, ac, _ = a.render(0)
assert not lc
assert len(ac) == 1
assert ac[0][1:] == ("tests/silence.m4a", 0, 1000, 2524, 500)
_, ac2, _ = a.render(3000)
assert ac2 == ac
_, ac, _ = a.render(5000)
assert not ac
with pytest.raises(ValueError):
_ = Audio(aws, id_=101, fade_in=-10)
assert 101 not in aws.functions
fout = a.fade_out
with pytest.raises(ValueError):
a.fade_out = -50
assert a.fade_out == fout
fin = a.fade_in
with pytest.raises(ValueError):
a.fade_in = -50
assert a.fade_in == fin
a._set_duration(10000)
assert a.copy_data(a.get_data()) is None
a.filename = None
assert a.duration == 0
assert a.actual_duration == 0
def test_audio_serialize(aws, test_xml_eq):
a1 = Audio(aws, id_=123, name="Test Audio 1", fade_out=100, filename="test.wav")
a2 = Audio(aws, id_=124, name="Test Audio 2", filename=None)
test = (a1, a2)
success = [
"""<function type="Audio" xmlns="{}" id="123" name="Test Audio 1" fade-in="0" fade-out="100" filename="test.wav"/>""",
"""<function type="Audio" xmlns="{}" id="124" name="Test Audio 2" fade-in="0" fade-out="0"/>"""
]
for case, s in zip(test, success):
s = s.replace('\n', "").format(BXW.strip("{}"))
assert test_xml_eq(case.serialize(), s)
def test_audio_deserialize(aws, test_xml_eq):
fail = [
"""<function xmlns={} type="asdf"/>""",
"""<asdf/>""",
"""<function xmlns={} type="Audio" id="asdf"/>""",
"""<function xmlns={} type="Audio" id="123" name="Test Audio" fade-out="asdf"/>""",
"""<function xmlns={} type="Audio" id="123" name="Test Audio" fade-in="asdf"/>""",
]
for case in fail:
case = case.format('"'+BXW.strip("{}")+'"')
with pytest.raises(LoadError):
Audio.deserialize(aws, et.fromstring(case))
case = """<function xmlns={} type="Audio" id="123" name="Test Audio" fade-in="123" fade-out="321" filename="test.wav"/>"""
case = case.format('"'+BXW.strip("{}")+'"')
s = Audio.deserialize(aws, et.fromstring(case))
assert test_xml_eq(s.serialize(), case)
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