def test_register_backend_twice(self):
b2 = easyagents.backends.default.BackendAgentFactory()
old_length = len(easyagents.agents.get_backends())
assert b2 not in agents._backends
agents.register_backend(backend=b2)
assert old_length == len(easyagents.agents.get_backends())
assert b2 in agents._backends
def test_register_backend_twice(self):
b2 = easyagents.backends.default.DefaultAgentFactory(register_tensorforce=False)
old_length = len(easyagents.agents.get_backends())
assert b2 not in agents._backends
agents.register_backend(backend=b2)
assert old_length == len(easyagents.agents.get_backends())
assert b2 in agents._backends
def test_register_backend_None_exception(self):
with pytest.raises(AssertionError):
agents.register_backend(backend=None)
def test_register(self):
old_len = len(easyagents.agents.get_backends())
agents.register_backend(BackendRegistrationTest.MyBackend())
b = easyagents.agents.get_backends()
assert (old_len + 1) == len(b)
assert BackendRegistrationTest.MyBackend.backend_name in b