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# -*- Mode: Python; py-indent-offset: 4 -*-
# vim: tabstop=4 shiftwidth=4 expandtab
from __future__ import absolute_import
import sys
import unittest
import gi.overrides
import gi.module
import gi.importer
from gi._compat import PY2, PY3
from gi.repository import Regress
class TestOverrides(unittest.TestCase):
def test_non_gi(self):
class MyClass:
pass
try:
gi.overrides.override(MyClass)
self.fail('unexpected success of overriding non-GI class')
except TypeError as e:
self.assertTrue('Can not override a type MyClass' in str(e))
def test_separate_path(self):
# Regress override is in tests/gi/overrides, separate from gi/overrides
# https://bugzilla.gnome.org/show_bug.cgi?id=680913
self.assertEqual(Regress.REGRESS_OVERRIDE, 42)
def test_load_overrides(self):
mod = gi.module.get_introspection_module('GIMarshallingTests')
mod_override = gi.overrides.load_overrides(mod)
self.assertTrue(mod_override is not mod)
self.assertTrue(mod_override._introspection_module is mod)
self.assertEqual(mod_override.OVERRIDES_CONSTANT, 7)
self.assertEqual(mod.OVERRIDES_CONSTANT, 42)
def test_load_no_overrides(self):
mod_key = "gi.overrides.GIMarshallingTests"
had_mod = mod_key in sys.modules
old_mod = sys.modules.get(mod_key)
try:
# this makes override import fail
sys.modules[mod_key] = None
mod = gi.module.get_introspection_module('GIMarshallingTests')
mod_override = gi.overrides.load_overrides(mod)
self.assertTrue(mod_override is mod)
finally:
del sys.modules[mod_key]
if had_mod:
sys.modules[mod_key] = old_mod
class TestModule(unittest.TestCase):
# Tests for gi.module
def test_get_introspection_module_caching(self):
# This test attempts to minimize side effects by
# using a DynamicModule directly instead of going though:
# from gi.repository import Foo
# Clear out introspection module cache before running this test.
old_modules = gi.module._introspection_modules
gi.module._introspection_modules = {}
mod_name = 'GIMarshallingTests'
mod1 = gi.module.get_introspection_module(mod_name)
mod2 = gi.module.get_introspection_module(mod_name)
self.assertTrue(mod1 is mod2)
# Restore the previous cache
gi.module._introspection_modules = old_modules
def test_module_dependency_loading(self):
# Difficult to because this generally need to run in isolation to make
# sure GIMarshallingTests has not yet been loaded. But we can do this with:
# make check TEST_NAMES=test_import_machinery.TestModule.test_module_dependency_loading
if 'gi.repository.Gio' in sys.modules:
return
from gi.repository import GIMarshallingTests
GIMarshallingTests # PyFlakes
self.assertIn('gi.repository.Gio', sys.modules)
self.assertIn('gi.repository.GIMarshallingTests', sys.modules)
def test_static_binding_protection(self):
# Importing old static bindings once gi has been imported should not
# crash but instead give back a dummy module which produces RuntimeErrors
# on access.
with self.assertRaises(AttributeError):
import gobject
gobject.anything
with self.assertRaises(AttributeError):
import glib
glib.anything
with self.assertRaises(AttributeError):
import gio
gio.anything
with self.assertRaises(AttributeError):
import gtk
gtk.anything
with self.assertRaises(AttributeError):
import gtk.gdk
gtk.gdk.anything
class TestImporter(unittest.TestCase):
def test_invalid_repository_module_name(self):
with self.assertRaises(ImportError) as context:
from gi.repository import InvalidGObjectRepositoryModuleName
InvalidGObjectRepositoryModuleName # pyflakes
exception_string = str(context.exception)
self.assertTrue('InvalidGObjectRepositoryModuleName' in exception_string)
# The message of the custom exception in gi/importer.py is eaten in Python <3.3
if sys.version_info >= (3, 3):
self.assertTrue('introspection typelib' in exception_string)
def test_require_version_warning(self):
check = gi.importer._check_require_version
# make sure it doesn't fail at least
with check("GLib", 1):
from gi.repository import GLib
GLib
# make sure the exception propagates
with self.assertRaises(ImportError):
with check("InvalidGObjectRepositoryModuleName", 1):
from gi.repository import InvalidGObjectRepositoryModuleName
InvalidGObjectRepositoryModuleName
def test_require_version_versiontype(self):
import gi
with self.assertRaises(ValueError):
gi.require_version('GLib', 2.0)
# Test that unicode strings work in python 2
if PY2:
gi.require_version('GLib', u'2.0')
if PY3:
with self.assertRaises(ValueError):
gi.require_version('GLib', b'2.0')
def test_require_versions(self):
import gi
gi.require_versions({'GLib': '2.0', 'Gio': '2.0', 'GObject': '2.0'})
from gi.repository import GLib
GLib
def test_get_import_stacklevel(self):
gi.importer.get_import_stacklevel(import_hook=True)
gi.importer.get_import_stacklevel(import_hook=False)
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