tests: refine helper function to test object

When implementing GObject interface, available properties, virtual
methods, and signals are not referred by attributes of object, while
available methods are available.

This commit expands current helper function to test object interface.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>

diff --git a/tests/helper.py b/tests/helper.py
index a9c1f532afdca8eef4055f0768451a453f516c5a..4cabd50b092b00bf160f5b56bb96fe31307a7574 100644 (file)
--- a/tests/helper.py
+++ b/tests/helper.py
@@ -1,20 +1,30 @@
-import gi
-gi.require_version('GObject', '2.0')
-from gi.repository import GObject
+def test_object(target_type: object, props: tuple[str], methods: tuple[str],
+                signals: tuple[str]) -> bool:
+    # All of available methods are put into the list of attribute.
+    for method in methods:
+        if not hasattr(target_type, method):
+            print('Method {0} is not produced.'.format(method))
+            return False
+
+    # The properties, virtual methods, and signals in interface are not put
+    # into the list of attribute in object implementing the interface.
+    prop_labels = []
+    signal_labels = []
+
+    # The  gi.ObjectInfo and gi.InterfaceInfo keeps them. Let's traverse them.
+    for info in target_type.__mro__:
+        if hasattr(info, '__info__'):
+            for prop in info.__info__.get_properties():
+                prop_labels.append(prop.get_name())
+            for signal in info.__info__.get_signals():
+                signal_labels.append(signal.get_name())
 
-def test_object(target, props, methods, signals) ->bool:
-    labels = [prop.name for prop in target.props]
     for prop in props:
-        if prop not in labels:
+        if prop not in prop_labels:
             print('Property {0} is not produced.'.format(prop))
             return False
-    for method in methods:
-        if not hasattr(target, method):
-            print('Method {0} is not produced.'.format(method))
-            return False
-    labels = GObject.signal_list_names(target)
     for signal in signals:
-        if signal not in labels:
+        if signal not in signal_labels:
             print('Signal {0} is not produced.'.format(signal))
             return False
     return True