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#
# Copyright (C) 2019 Red Hat, Inc. All rights reserved.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
# USA
#
import unittest
from dasbus.specification import DBusSpecificationParser, DBusSpecification, \
DBusSpecificationError
class SpecificationTestCase(unittest.TestCase):
def test_from_members(self):
"""Test a specification created from members."""
method = DBusSpecification.Method(
name="Method",
interface_name="A",
in_type="()",
out_type="(s)"
)
signal = DBusSpecification.Signal(
name="Signal",
interface_name="B",
type="(ii)"
)
prop = DBusSpecification.Property(
name="Property",
interface_name="B",
readable=True,
writable=False,
type="i"
)
specification = DBusSpecification()
specification.add_member(method)
specification.add_member(signal)
specification.add_member(prop)
with self.assertRaises(DBusSpecificationError) as cm:
specification.get_member("A", "Invalid")
self.assertEqual(
"DBus specification has no member 'A.Invalid'.",
str(cm.exception)
)
with self.assertRaises(DBusSpecificationError) as cm:
specification.get_member("Invalid", "Method")
self.assertEqual(
"DBus specification has no member 'Invalid.Method'.",
str(cm.exception)
)
self.assertEqual(specification.interfaces, ["A", "B"])
self.assertEqual(specification.members, [method, signal, prop])
self.assertEqual(specification.get_member("A", "Method"), method)
self.assertEqual(specification.get_member("B", "Signal"), signal)
self.assertEqual(specification.get_member("B", "Property"), prop)
def test_from_xml(self):
"""Test a specification created from XML."""
xml = '''
<node>
<interface name="ComplexA">
<method name="MethodA">
<arg direction="out" name="return" type="i"/>
</method>
<property access="read" name="PropertyA" type="d"/>
<signal name="SignalA">
<arg direction="out" name="x" type="i"/>
</signal>
</interface>
<interface name="ComplexB">
<method name="MethodB">
<arg direction="in" name="a" type="s"/>
<arg direction="in" name="b" type="ad"/>
<arg direction="in" name="c" type="i"/>
<arg direction="out" name="return" type="i"/>
</method>
<property access="read" name="PropertyB" type="d"/>
<signal name="SignalB">
<arg direction="out" name="x" type="b"/>
<arg direction="out" name="y" type="d"/>
<arg direction="out" name="z" type="(ii)"/>
</signal>
</interface>
</node>
'''
specification = DBusSpecification.from_xml(xml)
self.assertEqual(specification.interfaces, [
'org.freedesktop.DBus.Introspectable',
'org.freedesktop.DBus.Peer',
'org.freedesktop.DBus.Properties',
'ComplexA',
'ComplexB',
])
self.assertEqual(specification.members, [
DBusSpecification.Method(
name='Introspect',
interface_name='org.freedesktop.DBus.Introspectable',
in_type=None,
out_type='(s)'
),
DBusSpecification.Method(
name='Ping',
interface_name='org.freedesktop.DBus.Peer',
in_type=None,
out_type=None
),
DBusSpecification.Method(
name='GetMachineId',
interface_name='org.freedesktop.DBus.Peer',
in_type=None,
out_type='(s)'
),
DBusSpecification.Method(
name='Get',
interface_name='org.freedesktop.DBus.Properties',
in_type='(ss)',
out_type='(v)'
),
DBusSpecification.Method(
name='GetAll',
interface_name='org.freedesktop.DBus.Properties',
in_type='(s)',
out_type='(a{sv})'
),
DBusSpecification.Method(
name='Set',
interface_name='org.freedesktop.DBus.Properties',
in_type='(ssv)',
out_type=None
),
DBusSpecification.Signal(
name='PropertiesChanged',
interface_name='org.freedesktop.DBus.Properties',
type='(sa{sv}as)'
),
DBusSpecification.Method(
name='MethodA',
interface_name='ComplexA',
in_type=None,
out_type='(i)'
),
DBusSpecification.Property(
name='PropertyA',
interface_name='ComplexA',
readable=True,
writable=False,
type='d'
),
DBusSpecification.Signal(
name='SignalA',
interface_name='ComplexA',
type='(i)'
),
DBusSpecification.Method(
name='MethodB',
interface_name='ComplexB',
in_type='(sadi)',
out_type='(i)'
),
DBusSpecification.Property(
name='PropertyB',
interface_name='ComplexB',
readable=True,
writable=False,
type='d'
),
DBusSpecification.Signal(
name='SignalB',
interface_name='ComplexB',
type='(bd(ii))'
)
])
class SpecificationParserTestCase(unittest.TestCase):
def setUp(self):
self.maxDiff = None
def _compare(self, xml, expected_members):
"""Compare members of the specification."""
specification = DBusSpecification()
DBusSpecificationParser._parse_xml(specification, xml)
self.assertEqual(specification.members, expected_members)
def test_method(self):
"""Test XML with methods."""
xml = '''
<node>
<interface name="Interface">
<method name="Method1"/>
<method name="Method2">
<arg direction="in" name="x" type="i"/>
</method>
<method name="Method3">
<arg direction="out" name="return" type="i"/>
</method>
<method name="Method4">
<arg direction="in" name="x" type="ad"/>
<arg direction="in" name="y" type="h"/>
<arg direction="out" name="return" type="(ib)"/>
</method>
</interface>
</node>
'''
self._compare(xml, [
DBusSpecification.Method(
name='Method1',
interface_name='Interface',
in_type=None,
out_type=None
),
DBusSpecification.Method(
name='Method2',
interface_name='Interface',
in_type='(i)',
out_type=None
),
DBusSpecification.Method(
name='Method3',
interface_name='Interface',
in_type=None,
out_type='(i)'
),
DBusSpecification.Method(
name='Method4',
interface_name='Interface',
in_type='(adh)',
out_type='((ib))'
)
])
def test_property(self):
"""Test XML with a property."""
xml = '''
<node>
<interface name="Interface">
<property name="Property" type="i" access="readwrite" />
</interface>
</node>
'''
self._compare(xml, [
DBusSpecification.Property(
name='Property',
interface_name='Interface',
readable=True,
writable=True,
type='i'
)
])
def test_property_readonly(self):
"""Test readonly property."""
xml = '''
<node>
<interface name="Interface">
<property name="Property" type="i" access="read" />
</interface>
</node>
'''
self._compare(xml, [
DBusSpecification.Property(
name='Property',
interface_name='Interface',
readable=True,
writable=False,
type='i'
)
])
def test_property_writeonly(self):
"""Test writeonly property."""
xml = '''
<node>
<interface name="Interface">
<property name="Property" type="i" access="write" />
</interface>
</node>
'''
self._compare(xml, [
DBusSpecification.Property(
name='Property',
interface_name='Interface',
readable=False,
writable=True,
type='i'
)
])
def test_simple_signal(self):
"""Test interface with a simple signal."""
xml = '''
<node>
<interface name="Interface">
<signal name="SimpleSignal"/>
</interface>
</node>
'''
self._compare(xml, [
DBusSpecification.Signal(
name='SimpleSignal',
interface_name='Interface',
type=None
)
])
def test_signal(self):
"""Test interface with signals."""
xml = '''
<node>
<interface name="Interface">
<signal name="SignalSomething">
<arg direction="out" name="x" type="i"/>
<arg direction="out" name="y" type="s"/>
</signal>
<signal name="SomethingHappened"/>
</interface>
</node>
'''
self._compare(xml, [
DBusSpecification.Signal(
name='SignalSomething',
interface_name='Interface',
type='(is)'
),
DBusSpecification.Signal(
name='SomethingHappened',
interface_name='Interface',
type=None
)
])
def test_ignore(self):
"""Ignore invalid XML elements.."""
xml = '''
<node>
<interface name="InterfaceA">
<method name="MethodA">
<arg direction="out" name="return" type="i"/>
<ignored />
</method>
<property access="read" name="PropertyA" type="d"/>
<signal name="SignalA">
<ignored />
</signal>
<ignored />
</interface>
<ignored />
</node>
'''
self._compare(xml, [
DBusSpecification.Method(
name='MethodA',
interface_name='InterfaceA',
in_type=None,
out_type='(i)'
),
DBusSpecification.Property(
name='PropertyA',
interface_name='InterfaceA',
readable=True,
writable=False,
type='d'
),
DBusSpecification.Signal(
name='SignalA',
interface_name='InterfaceA',
type=None
)
])
self._compare("<ignored />", [])
def test_standard_interfaces(self):
"""Test with the standard interfaces."""
specification = DBusSpecificationParser.parse_specification('<node />')
self.assertEqual(specification.members, [
DBusSpecification.Method(
name='Introspect',
interface_name='org.freedesktop.DBus.Introspectable',
in_type=None,
out_type='(s)'
),
DBusSpecification.Method(
name='Ping',
interface_name='org.freedesktop.DBus.Peer',
in_type=None,
out_type=None
),
DBusSpecification.Method(
name='GetMachineId',
interface_name='org.freedesktop.DBus.Peer',
in_type=None,
out_type='(s)'
),
DBusSpecification.Method(
name='Get',
interface_name='org.freedesktop.DBus.Properties',
in_type='(ss)',
out_type='(v)'
),
DBusSpecification.Method(
name='GetAll',
interface_name='org.freedesktop.DBus.Properties',
in_type='(s)',
out_type='(a{sv})'
),
DBusSpecification.Method(
name='Set',
interface_name='org.freedesktop.DBus.Properties',
in_type='(ssv)',
out_type=None
),
DBusSpecification.Signal(
name='PropertiesChanged',
interface_name='org.freedesktop.DBus.Properties',
type='(sa{sv}as)'
)
])
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