public void GivenGeneratorIsNotUnique_WhenGeneratingIntegers_ThenShouldResetAtEndOfList()
{
var sut = new SequentialGenerator(0, 2);
for (int index = sut.StartIndex; index < sut.ListSize; index++)
{
sut.Generate().ShouldBe(index);
}
sut.Generate().ShouldBe(sut.StartIndex);
}
public void GivenGeneratorIsUnique_WhenGeneratingIntegers_ThenShouldThrowAtEndOfList()
{
var sut = new SequentialGenerator(0, 2, true);
for (int index = sut.StartIndex; index < sut.ListSize; index++)
{
sut.Generate().ShouldBe(index);
}
Should.Throw<InvalidOperationException>(()=>sut.Generate())
.Message.ShouldBe("There are not enough elements in the data source to continue adding items");
}
public void WhenGeneratingIntegers_ThenShouldBeSequential()
{
var sut = new SequentialGenerator(0, 11);
for (int index = sut.StartIndex; index < sut.ListSize; index++)
{
sut.Generate().ShouldBe(index);
}
}
public void GivenListOfBuildersWithCustomisation_WhenBuildingEntitiesImplicitly_ThenTheCustomisationShouldTakeEffect()
{
var generator = new SequentialGenerator(0, 100);
List<Customer> data = CustomerBuilder.CreateListOfSize(3)
.All().With(b => b.WithFirstName(generator.Generate().ToString()));
data.Select(c => c.FirstName).ToArray()
.ShouldBe(new[] { "0", "1", "2" });
}
public void GivenListOfBuildersWithCustomisation_WhenBuildingObjectsExplicitly_ThenTheCustomisationShouldTakeEffect()
{
var generator = new SequentialGenerator(0, 100);
var list = Builder<StudentViewModel>.CreateListOfSize(3)
.All().With(b => b.Set(x => x.FirstName, generator.Generate().ToString()));
var data = list.BuildList();
data.Select(c => c.FirstName).ToArray()
.ShouldBe(new[] { "0", "1", "2" });
}
