def test_next_tag_with_use_tags(self):
"""Test get next availabe tags returns different tags"""
link = Link(self.iface1, self.iface2)
tag = link.get_next_available_tag()
is_available = link.is_tag_available(tag)
self.assertFalse(is_available)
link.use_tag(tag)
def test_use_tag__error(self, mock_is_tag_available):
"""Test use_tag method to error case."""
mock_is_tag_available.side_effect = [True, False]
link = Link(self.iface1, self.iface2)
result = link.use_tag(Mock())
self.assertFalse(result)
def test_use_tag__success(self, mock_is_tag_available):
"""Test use_tag method to success case."""
mock_is_tag_available.side_effect = [True, True]
link = Link(self.iface1, self.iface2)
result = link.use_tag(Mock())
self.assertTrue(result)