def test_get_memory_mb_used_instance(self): self.mox.StubOutWithMock(ovz_utils, 'execute') ovz_utils.execute( 'vzlist', '-H', '-o', 'ctid,privvmpages.l', str(fakes.INSTANCE['id']), raise_on_error=False, run_as_root=True).AndReturn( fakes.PRIVVMPAGES_2048) self.mox.ReplayAll() memory_used = ((int( fakes.PRIVVMPAGES_2048.strip().split()[1]) * 4096) / 1024 ** 2) result = ovz_utils.get_memory_mb_used(fakes.INSTANCE['id']) self.assertEqual(memory_used, result)