def test_load_config_default_no_file(self):
m = mock.Mock()
loader = m.a()
cm = ConfigMixin()
cm.add_config_item(key="test-int", saver=lambda: 123, loader=loader, default=456)
with temporary_path() as tmp:
cm.config_path = tmp.joinpath("config")
cm.load_config()
self.assertTrue(loader.called)
# not yet saved, should be called with default value
self.assertTrue(loader.called_with('456'))
def test_load_config_saved(self):
m = mock.Mock()
loader = m.a()
cm = ConfigMixin()
cm.add_config_item(key="test-int", saver=lambda: 123, loader=loader, default=456)
with temporary_path() as tmp:
cm.config_path = tmp.joinpath("config")
cm.save_config()
cm.load_config()
self.assertTrue(loader.called)
self.assertTrue(loader.called_with('123'))
def test_load_config_errors(self):
def loader_with_errors(value: int): # noqa
raise RuntimeError
cm = ConfigMixin()
cm.add_config_item(key="test-int", saver=lambda: 123, loader=loader_with_errors, default=456)
with temporary_path() as tmp:
cm.config_path = tmp.joinpath("config")
cm.save_config()
try:
cm.load_config()
except RuntimeError:
self.fail("No errors should be raised.")
def test_save_config(self):
cm = ConfigMixin()
cm.add_config_item(key="test-bool", saver=lambda: True, loader=lambda x: x, default=True)
cm.add_config_item(key="test-int", saver=lambda: 123, loader=lambda x: x, default=456)
with temporary_path() as tmp:
cm.config_path = tmp.joinpath("config")
cm.save_config()
with cm.config_path.open("r") as fp:
saved_data = json.load(fp)
self.assertIn("test-bool", saved_data.keys())
self.assertIn("test-int", saved_data.keys())
self.assertTrue(saved_data["test-bool"])
self.assertEqual(123, saved_data["test-int"])