public void Can_check_used_disk_and_ram_per_machine()
{
CloudInfrastructure cloud = new CloudInfrastructure();
cloud.CreateMachine("machine1", "Linux", "50gb", "8gb");
Assert.AreEqual("machine1:Inactive", cloud.ListMachines());
Assert.AreEqual(0, cloud.UsedMemoryMachine("machine1"), 0.00001); // Only running machines consume memory
Assert.AreEqual(50, cloud.UsedDiskMachine("machine1"), 0.00001); // the disk is always consumed
cloud.StartMachine("machine1");
Assert.AreEqual(8, cloud.UsedMemoryMachine("machine1"), 0.00001); // All the machine memory is used as it is now running
Assert.AreEqual(50, cloud.UsedDiskMachine("machine1"), 0.00001);
cloud.StopMachine("machine1");
// The memory will be released as the machine has been stopped
Assert.AreEqual(0, cloud.UsedMemoryMachine("machine1"), 0.00001);
Assert.AreEqual(50, cloud.UsedDiskMachine("machine1"), 0.00001);
}
