tests: Adapt to pygobject 3.55.0

modulemd/tests/ModulemdTests/base.py

@@ -67,6 +67,36 @@ def assertProcessFailure(self, callable, *args):
             if os.WIFSIGNALED(status):
                 raise AssertionError("Child process was unexpectedly aborted")
 
+    def assertTypeExceptionOrProcessFailure(self, callable, *args):
+        """Calls the callable in a subprocess and checks that the process
+        raised a TypeError exception, or was killed depending on Glib warning
+        fatality.
+
+        Since pygobject-3.55.0 setting a G_PARAM_CONSTRUCT_ONLY property
+        raises a Python exception. Old pygobject continues down to Glib
+        which kills the process if Glib warnings a fatal, otherwise Glib
+        warning is printed and the code continues.
+        """
+        pid = os.fork()
+        if pid == 0:
+            try:
+                callable(*args)
+            except TypeError:
+                os._exit(1)
+            os._exit(0)
+        _, status = os.waitpid(pid, 0)
+        if os.WIFEXITED(status) and os.WEXITSTATUS(status) == 1:
+            return
+        if self.warnings_fatal:
+            if not os.WIFSIGNALED(status):
+                raise AssertionError(
+                    "Child process did not raise TypeError "
+                    "exception or was not aborted"
+                )
+        else:
+            if os.WIFSIGNALED(status):
+                raise AssertionError("Child process was unexpectedly aborted")
+
     @property
     def warnings_fatal(self):
         gdebug = os.getenv("G_DEBUG", "").split(",")

modulemd/tests/ModulemdTests/defaults.py

@@ -111,7 +111,9 @@ def test_module_name(self):
         assert defs.get_module_name() == "foo"
 
         # Ensure we cannot set the module_name
-        self.assertProcessFailure(_set_module_name_to_none, defs)
+        self.assertTypeExceptionOrProcessFailure(
+            _set_module_name_to_none, defs
+        )
 
     def test_modified(self):
         defs = Modulemd.Defaults.new(

modulemd/tests/ModulemdTests/profile.py

@@ -94,7 +94,9 @@ def test_get_name(self):
         assert p.get_name() == "testprofile"
         assert p.props.name == "testprofile"
 
-        self.assertProcessFailure(_set_props_name, p, "notadrill")
+        self.assertTypeExceptionOrProcessFailure(
+            _set_props_name, p, "notadrill"
+        )
 
     def test_get_set_description(self):
         p = Modulemd.Profile(name="testprofile")

modulemd/tests/ModulemdTests/servicelevel.py

@@ -103,7 +103,7 @@ def test_get_name(self):
         assert sl.props.name == "foo"
 
         # This property is not writable, make sure it fails to attempt it
-        self.assertProcessFailure(_set_props_name, sl, "bar")
+        self.assertTypeExceptionOrProcessFailure(_set_props_name, sl, "bar")
 
     def test_get_set_eol(self):
         sl = Modulemd.ServiceLevel.new("foo")

modulemd/tests/ModulemdTests/translationentry.py

@@ -172,7 +172,7 @@ def test_get_locale(self):
         assert te.get_locale() == "en_US"
         assert te.props.locale == "en_US"
 
-        self.assertProcessFailure(_set_locale, te)
+        self.assertTypeExceptionOrProcessFailure(_set_locale, te)
 
     def test_get_set_summary(self):
         te = Modulemd.TranslationEntry(locale="en_US")