BalancingOneServerWithSomeCapacityAndVmWithLesserOrEqualSizeThanServerCapacityFillsTheServerWithTheVm(
Server server, Vm vm, double expectedPercentage)
{
Balance(AListOfServersWith(server), AListOfVms(vm));
Assert.That(server, HasLoadPercentageOf(expectedPercentage));
Assert.That(server.Vms, Has.Item(EqualTo(vm)));
}
public void Describe_mismatch()
{
var matcher = Has.Item(Is.EqualTo("aaa"));
var description = new StringDescription();
matcher.DescribeMismatch(new [] { "bbb", "ddd" }, description);
Assert.That(description.ToString(), Is.EqualTo("was \"bbb\", was \"ddd\""));
}
public void Describe_to_appends_matcher_description()
{
var matcher = Has.Item(Is.EqualTo("aaa"));
var description = new StringDescription();
matcher.DescribeTo(description);
Assert.That(description.ToString(), Is.EqualTo("a collection containing \"aaa\""));
}
public void IfServerHasNotEnoughPlaceToFitAnotherVmItShouldHaveTheSameLoadRateAfterBalancing()
{
var serverWithSomeLargeVm = A(Server().WithCapacity(10).Having(A(Vm().WithSize(9))));
var tooLargeVm = A(Vm().WithSize(5));
Balance(AListOfServersWith(serverWithSomeLargeVm), AListOfVms(tooLargeVm));
Assert.That(serverWithSomeLargeVm.Vms, Not(Has.Item(EqualTo(tooLargeVm))));
Assert.That(serverWithSomeLargeVm, HasLoadPercentageOf(90.0));
}
public void BalancingOneServerWithOneSlotCapacityAndOneSlotVmFillsTheServerWithTheVm()
{
var server = A(Server().WithCapacity(1));
var vm = A(Vm().WithSize(1));
Balance(AListOfServersWith(server), AListOfVms(vm));
Assert.That(server, HasLoadPercentageOf(100.0));
Assert.That(server.Vms, Has.Item(EqualTo(vm)));
}
IfTwoServersAreProvidedAndOnlyOneMachineIsAvailableToAssignTheServerWithTheLesserLoadRateShouldReceiveVm()
{
var serverWithSomeVm = A(Server().WithCapacity(10).Having(A(Vm().WithSize(2))));
var emptyServer = A(Server().WithCapacity(10));
var vmToBalance = A(Vm().WithSize(5));
Balance(AListOfServersWith(serverWithSomeVm, emptyServer), AListOfVms(vmToBalance));
Assert.That(serverWithSomeVm.Vms, Not(Has.Item(EqualTo(vmToBalance))));
Assert.That(emptyServer.Vms, Has.Item(EqualTo(vmToBalance)));
Assert.That(emptyServer, HasLoadPercentageOf(50.0));
Assert.That(serverWithSomeVm, HasLoadPercentageOf(20.0));
}
public void ServerWithLargeCapacityShouldContainAllProvidedVMsAfterBalancingAndHaveSpecifiedLoadPercentageRate()
{
var server = A(Server().WithCapacity(20));
var(vm1, vm2, vm3, vm4, vm5) = (A(Vm().WithSize(2)), A(Vm().WithSize(3)), A(Vm().WithSize(1)),
A(Vm().WithSize(5)), A(Vm().WithSize(4)));
Balance(AListOfServersWith(server), AListOfVms(vm1, vm2, vm3, vm4, vm5));
var vms = server.Vms;
Assert.That(vms, Has.Item(EqualTo(vm1)));
Assert.That(vms, Has.Item(EqualTo(vm2)));
Assert.That(vms, Has.Item(EqualTo(vm3)));
Assert.That(vms, Has.Item(EqualTo(vm4)));
Assert.That(vms, Has.Item(EqualTo(vm5)));
Assert.That(server, HasLoadPercentageOf(75.0));
}
public void Has_item()
{
Assert.That(new[] { "aaa", "bbb", "ccc" }, Has.Item(Is.EqualTo("aaa")));
}
public void Has_item_with_matcher()
{
var elementMatcher = new CustomMatcher <string>("aaa", s => s == "aaa");
Assert.That(new[] { "aaa", "bbb", "ccc" }, Has.Item <string>(elementMatcher));
}
