def test_audio_node_to_destination(audio_graph):
node = InternalAudioNode()
n = node.to_destination()
assert (node, destination, 0, 0) in audio_graph.connections
assert n is node
def test_audio_node_disconnect(audio_graph):
node1 = InternalAudioNode()
node2 = InternalAudioNode()
n = node1.connect(node2).disconnect(node2)
assert (node1, node2, 0, 0) not in audio_graph.connections
assert n is node1
def test_audio_node_chain(audio_graph):
node1 = InternalAudioNode()
node2 = InternalAudioNode()
node3 = InternalAudioNode()
n = node1.chain(node2, node3)
assert (node1, node2, 0, 0) in audio_graph.connections
assert (node2, node3, 0, 0) in audio_graph.connections
assert n is node1
def test_audio_node_dispose(audio_graph):
in_node = InternalAudioNode()
out_node = InternalAudioNode()
node1 = AudioNode(_input=in_node, _output=out_node)
node2 = InternalAudioNode()
node1.connect(node2)
assert node1.disposed is False
assert (node1, node2, 0, 0) in audio_graph.connections
node1.dispose()
assert node1.disposed is True
assert in_node.disposed is True
assert out_node.disposed is True
assert (node1, node2, 0, 0) not in audio_graph.connections
def test_audio_graph_errors(audio_graph):
src = InternalAudioNode()
dest = InternalAudioNode()
param = Param()
with pytest.raises(ValueError, match=".*not connected to.*"):
audio_graph.disconnect(src, dest)
with pytest.raises(ValueError, match="src_node must be.*"):
audio_graph.connect(param, dest)
with pytest.raises(ValueError, match=".*dest_node must be.*"):
audio_graph.connect(src, "not a node")
src = InternalAudioNode()
dest = InternalAudioNode(_n_inputs=0)
with pytest.raises(ValueError, match="Cannot connect to audio source.*"):
audio_graph.connect(src, dest)
src = InternalAudioNode(_n_outputs=0)
dest = InternalAudioNode()
with pytest.raises(ValueError, match="Cannot connect from audio sink.*"):
audio_graph.connect(src, dest)
def test_pyaudionode(audio_graph):
in_node_in = InternalAudioNode()
in_node_out = InternalAudioNode()
in_node = PyAudioNode(in_node_in, in_node_out)
out_node = InternalAudioNode()
node = PyAudioNode(in_node, out_node, name="test")
assert node.disposed is False
assert node.number_of_inputs == 1
assert node.number_of_outputs == 1
assert node.channel_count == 2
assert node.channel_count_mode == "max"
assert node.channel_interpretation == "speakers"
assert repr(node) == "PyAudioNode(name='test')"
assert node.input is in_node
assert node.output is out_node
assert isinstance(node.widget, PyInternalAudioNode)
assert node.widget.input is in_node_in
assert node.widget.output is out_node
node2 = InternalAudioNode()
n = node.connect(node2)
assert (node.widget, node2, 0, 0) in audio_graph.connections
assert n is node
node3 = InternalAudioNode()
node3.connect(node)
assert (node3, node.widget, 0, 0) in audio_graph.connections
n = node.disconnect(node2)
assert (node.widget, node2, 0, 0) not in audio_graph.connections
assert n is node
node4 = InternalAudioNode()
node5 = InternalAudioNode()
n = node.fan(node4, node5)
assert (node.widget, node4, 0, 0) in audio_graph.connections
assert (node.widget, node5, 0, 0) in audio_graph.connections
assert n is node
node6 = InternalAudioNode()
node7 = InternalAudioNode()
n = node.chain(node6, node7)
assert (node.widget, node6, 0, 0) in audio_graph.connections
assert (node6, node7, 0, 0) in audio_graph.connections
assert n is node
n = node.to_destination()
assert (node.widget, destination, 0, 0) in audio_graph.connections
assert n is node
n = node.dispose()
assert node.disposed is True
assert n is node
def test_internal_audio_node():
node = InternalAudioNode(type="test")
assert node.number_of_inputs == 1
assert node.number_of_outputs == 1
assert repr(node) == "InternalAudioNode(type='test')"
import pytest
from ipytone.base import NativeAudioNode, NativeAudioParam
from ipytone.core import InternalAudioNode, Param
@pytest.mark.parametrize(
"src,dest,param",
[
(InternalAudioNode(), InternalAudioNode(), Param()),
(NativeAudioNode(), NativeAudioNode(), NativeAudioParam()),
],
)
def test_audio_graph(audio_graph, src, dest, param):
with audio_graph.hold_state():
audio_graph.connect(src, dest)
assert (src, dest, 0, 0) not in audio_graph.connections
assert (src, dest, 0, 0) in audio_graph.connections
audio_graph.connect(src, param, 0, 1)
assert (src, param, 0, 1) in audio_graph.connections
assert audio_graph.nodes == list({src, dest, param})
assert audio_graph.connections == [(src, dest, 0, 0), (src, param, 0, 1)]
with audio_graph.hold_state():
audio_graph.disconnect(src, dest)
assert (src, dest, 0, 0) in audio_graph.connections
assert (src, dest, 0, 0) not in audio_graph.connections