blc2 - Python library and frontend for running theatrical lighting and SFX. Written for the English 2041F fall 2019 theatre production of "The Cenci".

git clone https://benconnors.ca/git-repos/blc2

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test_functions_audio.py (2973B) - raw

      1 """Tests for the audio primitive."""
      2 
      3 import xml.etree.ElementTree as et
      4 
      5 import pytest
      6 
      7 from blc2.functions.audio import Audio
      8 from blc2.constants import BXW
      9 from blc2.exceptions import LoadError
     10 
     11 def test_audio(aws):
     12     a = Audio(aws)
     13     
     14     a.fade_out = 1000
     15     a.fade_out = 1000
     16     a.fade_in = 1000
     17     a.fade_in = 1000
     18     a.filename = "nonexistant"
     19     
     20     assert a.audio_scope == {"nonexistant"}
     21     assert not a.scope
     22     assert a.duration == 0
     23     assert a.actual_duration == 0
     24 
     25     a.filename = "tests/silence.m4a"
     26     assert a.filename == "tests/silence.m4a"
     27     assert a.audio_scope == {"tests/silence.m4a"}
     28     assert a.duration == 2024
     29     assert a.actual_duration == 3024
     30 
     31     a.fade_out = 500
     32     assert a.fade_out == 500
     33     assert a.duration == 2524
     34     assert a.actual_duration == 3024
     35 
     36     lc, ac, _ = a.render(0)
     37     assert not lc
     38     assert len(ac) == 1
     39     assert ac[0][1:] == ("tests/silence.m4a", 0, 1000, 2524, 500)
     40 
     41     _, ac2, _ = a.render(3000)
     42     assert ac2 == ac
     43 
     44     _, ac, _ = a.render(5000)
     45     assert not ac
     46 
     47     with pytest.raises(ValueError):
     48         _ = Audio(aws, id_=101, fade_in=-10)
     49 
     50     assert 101 not in aws.functions
     51 
     52     fout = a.fade_out
     53     with pytest.raises(ValueError):
     54         a.fade_out = -50
     55     assert a.fade_out == fout
     56 
     57     fin = a.fade_in
     58     with pytest.raises(ValueError):
     59         a.fade_in = -50
     60     assert a.fade_in == fin
     61 
     62     a._set_duration(10000)
     63     assert a.copy_data(a.get_data()) is None
     64 
     65     a.filename = None
     66     assert a.duration == 0
     67     assert a.actual_duration == 0
     68 
     69 def test_audio_serialize(aws, test_xml_eq):
     70     a1 = Audio(aws, id_=123, name="Test Audio 1", fade_out=100, filename="test.wav")
     71     a2 = Audio(aws, id_=124, name="Test Audio 2", filename=None)
     72 
     73     test = (a1, a2)
     74     success = [
     75 """<function type="Audio" xmlns="{}" id="123" name="Test Audio 1" fade-in="0" fade-out="100" filename="test.wav"/>""",
     76 """<function type="Audio" xmlns="{}" id="124" name="Test Audio 2" fade-in="0" fade-out="0"/>"""
     77     ]
     78 
     79     for case, s in zip(test, success):
     80         s = s.replace('\n', "").format(BXW.strip("{}"))
     81         assert test_xml_eq(case.serialize(), s)
     82 
     83 def test_audio_deserialize(aws, test_xml_eq):
     84     fail = [
     85         """<function xmlns={} type="asdf"/>""",
     86         """<asdf/>""",
     87         """<function xmlns={} type="Audio" id="asdf"/>""",
     88         """<function xmlns={} type="Audio" id="123" name="Test Audio" fade-out="asdf"/>""",
     89         """<function xmlns={} type="Audio" id="123" name="Test Audio" fade-in="asdf"/>""",
     90     ]
     91 
     92     for case in fail:
     93         case = case.format('"'+BXW.strip("{}")+'"')
     94         with pytest.raises(LoadError):
     95             Audio.deserialize(aws, et.fromstring(case))
     96     
     97     case = """<function xmlns={} type="Audio" id="123" name="Test Audio" fade-in="123" fade-out="321" filename="test.wav"/>"""
     98     case = case.format('"'+BXW.strip("{}")+'"')
     99 
    100     s = Audio.deserialize(aws, et.fromstring(case))
    101 
    102     assert test_xml_eq(s.serialize(), case)