tests: update tests

Update tests for

1. Skip property names validation
2. Do not validate function argument names

tests/data/sloppy-introspection.xml

@@ -0,0 +1,10 @@
+<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
+    "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+<node name="/com/example/sample_object0">
+    <interface name="com.example.SampleInterface0">
+        <method name="Frobate">
+            <arg name="0-foo-bar" type="i" direction="in"/>
+        </method>
+        <property name="0-baz-qux" type="y" access="write"/>
+    </interface>
+</node>

tests/data/introspection.xml → tests/data/strict-introspection.xml

@@ -5,7 +5,7 @@
         <method name="Frobate">
             <arg name="foo" type="i" direction="in"/>
             <arg name="bar" type="s" direction="out"/>
-            <arg name="baz" type="a{us}" direction="out"/>
+            <arg name="0-baz" type="a{us}" direction="out"/>
             <annotation name="org.freedesktop.DBus.Deprecated" value="true"/>
         </method>
         <method name="Bazify">
@@ -16,11 +16,11 @@
             <arg name="bar" type="(iiav)" direction="in"/>
         </method>
         <signal name="Changed">
-            <arg name="new_value" type="b"/>
+            <arg name="0-new_value" type="b"/>
         </signal>
         <signal name="ChangedMulti">
             <arg name="new_value1" type="b"/>
-            <arg name="new_value2" type="y"/>
+            <arg name="0-new_value2" type="y"/>
         </signal>
         <property name="Bar" type="y" access="write"/>
     </interface>

tests/test_introspection.py

@@ -1,14 +1,33 @@
 import os
 
-from dbus_fast import ArgDirection, PropertyAccess, SignatureType
+from dbus_fast import (
+    ArgDirection,
+    PropertyAccess,
+    SignatureType,
+    InvalidMemberNameError,
+)
 from dbus_fast import introspection as intr
 
-with open(f"{os.path.dirname(__file__)}/data/introspection.xml") as f:
-    example_data = f.read()
+with open(f"{os.path.dirname(__file__)}/data/strict-introspection.xml") as f:
+    strict_data = f.read()
 
+with open(f"{os.path.dirname(__file__)}/data/sloppy-introspection.xml") as f:
+    sloppy_data = f.read()
 
-def test_example_introspection_from_xml():
-    node = intr.Node.parse(example_data)
+
+def test_introspection_from_xml_sloppy():
+    intr.Node.parse(sloppy_data, validate_property_names=False)
+
+
+def test_introspection_from_xml_strict():
+    try:
+        node = intr.Node.parse(sloppy_data)
+    except InvalidMemberNameError:
+        pass
+    else:
+        assert False, "Expected an AssertionError"
+
+    node = intr.Node.parse(strict_data)
 
     assert len(node.interfaces) == 1
     interface = node.interfaces[0]
@@ -66,7 +85,7 @@ def test_example_introspection_from_xml():
 
 
 def test_example_introspection_to_xml():
-    node = intr.Node.parse(example_data)
+    node = intr.Node.parse(strict_data)
     tree = node.to_xml()
     assert tree.tag == "node"
     assert tree.attrib.get("name") == "/com/example/sample_object0"