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import datetime as dt
import pytest
from blc2.functions.chaserstep import ChaserStep
from blc2.topology import Fixture
from blc2.functions.scene import Scene
from blc2.functions.audio import Audio
from blc2.workspace import Workspace
from blc2.constants import INHERIT, MANUAL, EXTERNAL, INTERNAL, INFTY
class DummyChaser:
def register_step(self, *args, **kwargs):
if self.throw:
raise Exception("blah")
self.count += 1
def delete_step(self, *args, **kwargs):
self.count -= 1
def __init__(self, w):
self.w = w
self.count = 0
self.throw = False
@pytest.fixture
def cw():
w = Workspace("", "", "", dt.datetime.now())
f = Fixture(w=w, id_=0, channel_count=1)
c0, = f.channels
f2 = Fixture(w=w, id_=1, channel_count=4)
Scene(w=w, id_=0, values={c0: 255})
Scene(w=w, id_=1, values={c: 255-i for i, c in enumerate(f2.channels)})
Audio(w=w, id_=2, filename="tests/silence.m4a")
return w
def test_chaserstep(cw):
c = DummyChaser(cw)
s0 = cw.functions[0]
s1 = cw.functions[1]
a = cw.functions[2]
c0, = cw.fixtures[0].channels
## Try adding a negative index
with pytest.raises(Exception):
ChaserStep(c, id_=42069, function=s0, duration_mode=INHERIT, index=-10)
assert c.count == 0
assert 42069 not in cw.functions
## Test a failed add
with pytest.raises(Exception):
c.throw = True
ChaserStep(c, id_=42069, function=s0, duration_mode=INHERIT)
assert 42069 not in cw.functions
c.throw = False
## Test how it handles inherit
cs1 = ChaserStep(c, function=s0, duration_mode=INHERIT)
assert cs1.duration == INFTY
assert cs1.actual_duration == INFTY
assert cs1.duration_mode == INHERIT
assert cs1.fade_out_mode == s0.fade_out_mode
assert cs1.scope == s0.scope
assert cs1.audio_scope == s0.audio_scope
cs1.fade_in = 1000
cs1.fade_out = 1000
assert cs1.duration == INFTY
assert cs1.actual_duration == INFTY
data = cs1._get_data(0, 0)
lc, ac, data = cs1.render(500, data)
assert not ac
assert lc == ((c0, 127),)
lc, ac, data = cs1.render(1000, data)
assert not ac
assert lc == ((c0, 255),)
data.end_time = 1500
lc, ac, data = cs1.render(2000, data)
assert not ac
assert lc == ((c0, 127),)
lc, ac, data = cs1.render(2501, data)
assert not ac
assert not lc
## Test how it handles manual mode
cs1.duration_mode = MANUAL
cs1.duration = 1500
assert cs1.duration == 1500
assert cs1.actual_duration == 2500
data = cs1._get_data(0, 0)
lc, ac, data = cs1.render(500, data)
assert not ac
assert lc == ((c0, 127),)
lc, ac, data = cs1.render(1000, data)
assert not ac
assert lc == ((c0, 255),)
lc, ac, data = cs1.render(2000, data)
assert not ac
assert lc == ((c0, 127),)
lc, ac, data = cs1.render(2501, data)
assert not ac
assert not lc
## Test how it handles inherit and a function change
cs1.duration_mode = INHERIT
assert cs1.duration == INFTY
assert cs1.actual_duration == INFTY
data = cs1._get_data(0, 0)
cs1.fade_out = 0
cs1.fade_in = 0
cs1.function = a
if a.actual_duration != 3024:
raise ValueError("silence.m4a is wrong duration, fix the tests")
assert cs1.audio_scope == a.audio_scope
assert cs1.scope == a.scope
assert cs1.duration == a.actual_duration
assert cs1.actual_duration == a.actual_duration
cs1.fade_out = 1000
cs1.fade_in = 1000
assert cs1.duration == a.actual_duration-1000
lc, ac, data = cs1.render(500, data)
assert not lc
assert len(ac) == 1
assert ac[0][1:] == ("tests/silence.m4a", 0, 1000, 2024, 1000)
a.fade_out = 2000
lc, ac, data = cs1.render(501, data)
assert not lc
assert len(ac) == 1
assert ac[0][1:] == ("tests/silence.m4a", 0, 1000, 1024, 2000)
lc, ac, data = cs1.render(3025, data)
assert not lc
assert not ac
cs1.function = None
assert cs1.duration == 0
assert cs1.actual_duration == 0
cs1.fade_in = 100
with pytest.raises(ValueError):
cs1.fade_in = -100
assert cs1.fade_in == 100
cs1.fade_out = 100
with pytest.raises(ValueError):
cs1.fade_out = -100
assert cs1.fade_out == 100
cs1.function = s0
s0.delete()
assert cs1.function is None
assert cs1.audio_scope == frozenset()
assert cs1.scope == frozenset()
cs1.duration_mode = INHERIT
with pytest.raises(AttributeError):
cs1.duration = 50
assert cs1.render(10000, data)[:2] == ((), ())
cs1.duration_mode = MANUAL
cs1.duration = 500
with pytest.raises(ValueError):
cs1.duration = -100
assert cs1.duration == 500
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