124 lines
3.7 KiB
Python
124 lines
3.7 KiB
Python
import os
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from dbus_next import ArgDirection, PropertyAccess, SignatureType
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from dbus_next import introspection as intr
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example_data = open(f"{os.path.dirname(__file__)}/data/introspection.xml").read()
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def test_example_introspection_from_xml():
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node = intr.Node.parse(example_data)
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assert len(node.interfaces) == 1
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interface = node.interfaces[0]
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assert len(node.nodes) == 2
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assert len(interface.methods) == 3
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assert len(interface.signals) == 2
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assert len(interface.properties) == 1
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assert type(node.nodes[0]) is intr.Node
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assert node.nodes[0].name == "child_of_sample_object"
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assert type(node.nodes[1]) is intr.Node
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assert node.nodes[1].name == "another_child_of_sample_object"
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assert interface.name == "com.example.SampleInterface0"
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frobate = interface.methods[0]
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assert type(frobate) is intr.Method
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assert frobate.name == "Frobate"
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assert len(frobate.in_args) == 1
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assert len(frobate.out_args) == 2
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foo = frobate.in_args[0]
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assert type(foo) is intr.Arg
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assert foo.name == "foo"
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assert foo.direction == ArgDirection.IN
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assert foo.signature == "i"
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assert type(foo.type) is SignatureType
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assert foo.type.token == "i"
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bar = frobate.out_args[0]
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assert type(bar) is intr.Arg
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assert bar.name == "bar"
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assert bar.direction == ArgDirection.OUT
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assert bar.signature == "s"
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assert type(bar.type) is SignatureType
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assert bar.type.token == "s"
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prop = interface.properties[0]
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assert type(prop) is intr.Property
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assert prop.name == "Bar"
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assert prop.signature == "y"
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assert type(prop.type) is SignatureType
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assert prop.type.token == "y"
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assert prop.access == PropertyAccess.WRITE
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changed = interface.signals[0]
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assert type(changed) is intr.Signal
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assert changed.name == "Changed"
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assert len(changed.args) == 1
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new_value = changed.args[0]
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assert type(new_value) is intr.Arg
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assert new_value.name == "new_value"
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assert new_value.signature == "b"
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def test_example_introspection_to_xml():
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node = intr.Node.parse(example_data)
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tree = node.to_xml()
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assert tree.tag == "node"
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assert tree.attrib.get("name") == "/com/example/sample_object0"
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assert len(tree) == 3
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interface = tree[0]
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assert interface.tag == "interface"
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assert interface.get("name") == "com.example.SampleInterface0"
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assert len(interface) == 6
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method = interface[0]
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assert method.tag == "method"
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assert method.get("name") == "Frobate"
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# TODO annotations
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assert len(method) == 3
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arg = method[0]
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assert arg.tag == "arg"
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assert arg.attrib.get("name") == "foo"
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assert arg.attrib.get("type") == "i"
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assert arg.attrib.get("direction") == "in"
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signal = interface[3]
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assert signal.tag == "signal"
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assert signal.attrib.get("name") == "Changed"
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assert len(signal) == 1
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arg = signal[0]
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assert arg.tag == "arg"
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assert arg.attrib.get("name") == "new_value"
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assert arg.attrib.get("type") == "b"
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signal = interface[4]
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assert signal.tag == "signal"
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assert signal.attrib.get("name") == "ChangedMulti"
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assert len(signal) == 2
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arg = signal[0]
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assert arg.tag == "arg"
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assert arg.attrib.get("name") == "new_value1"
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assert arg.attrib.get("type") == "b"
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arg = signal[1]
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assert arg.tag == "arg"
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assert arg.attrib.get("name") == "new_value2"
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assert arg.attrib.get("type") == "y"
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prop = interface[5]
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assert prop.attrib.get("name") == "Bar"
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assert prop.attrib.get("type") == "y"
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assert prop.attrib.get("access") == "write"
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def test_default_interfaces():
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# just make sure it doesn't throw
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default = intr.Node.default()
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assert type(default) is intr.Node
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