def test_set_unavailable_must_return_to_last_state(self):
h = Host(0, "n")
h._allocate("job")
h._start_computing()
h._set_unavailable()
assert h.is_unavailable and not h.is_computing
h._set_available()
assert h.is_computing and not h.is_unavailable
def test_set_available_without_being_unavailable_must_raise(self):
h = Host(0, "n")
with pytest.raises(SystemError) as excinfo:
h._set_available()
assert "unavailable" in str(excinfo.value)
def test_set_available(self):
h = Host(0, "n")
h._set_unavailable()
h._set_available()
assert not h.is_unavailable