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import pytest
import dbus
import xml.etree.ElementTree as ElementTree
INTROSPECTABLE_IFACE = 'org.freedesktop.DBus.Introspectable'
# obj: a dbus proxy object to introspect
# expected_ifaces: sequence of interface names as strings
def check_object_supports_interfaces(obj, expected_ifaces):
xml_str = str(obj.Introspect(dbus_interface=INTROSPECTABLE_IFACE))
root = ElementTree.fromstring(xml_str)
assert root.tag == 'node'
interface_elements = root.findall('./interface')
iface_names = map(lambda e: e.attrib['name'], interface_elements)
iface_names = list(iface_names)
iface_names.sort()
expected_ifaces.sort()
assert iface_names == expected_ifaces
# Test that the root object at /org/a11y/atspi/accessible/root advertises the correct interfaces
def test_introspect_root(registry_root, session_manager):
check_object_supports_interfaces(
registry_root,
['org.a11y.atspi.Accessible',
'org.a11y.atspi.Component',
'org.a11y.atspi.Socket',
]
)
# Test that the registry object at /org/a11y/atspi/registry advertises the correct interfaces
def test_introspect_registry(registry_registry, session_manager):
check_object_supports_interfaces(
registry_registry,
['org.a11y.atspi.Registry']
)
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