public void AddCapabilityThrowsExceptionWithNullCapability()
{
var type = typeof(Person);
var sut = new BuildHistory();
Action action = () => sut.AddCapability(type, null !);
action.Should().Throw <ArgumentNullException>();
}
public void AddCapabilityDoesNotStoreCapabilityWhenHistoryIsEmpty()
{
var type = typeof(Person);
var capability = Substitute.For <IBuildCapability>();
var sut = new BuildHistory();
sut.AddCapability(type, capability);
var actual = sut.GetCapability(type);
actual.Should().BeNull();
}
public void GetCapabilityReturnsStoredCapability()
{
var type = typeof(Address);
var value = new Person();
var capability = Substitute.For <IBuildCapability>();
var sut = new BuildHistory();
sut.Push(value);
sut.AddCapability(type, capability);
var actual = sut.GetCapability(type);
actual.Should().Be(capability);
}