public void Rollback_CallsCommitOnEachBuildStepOnce()
{
// Arrange
var buildSteps = new[]
{
Substitute.For<IBuildStep>(),
Substitute.For<IBuildStep>(),
Substitute.For<IBuildStep>()
};
var dependencySorter = Substitute.For<IBuildStepDependencySorter>();
dependencySorter.Sort(Arg.Any<IEnumerable<IBuildStep>>())
.Returns(buildSteps);
var sut = new Builder(dependencySorter)
.With(buildSteps[1])
.With(buildSteps[2])
.With(buildSteps[0]);
// Act
sut.Rollback();
// Assert
buildSteps[0].Received(1).Rollback();
buildSteps[1].Received(1).Rollback();
buildSteps[2].Received(1).Rollback();
}
public void Rollback_RunStepsInTheReverseOrderOfDependencies()
{
var results = new Queue<Tuple<Type, string>>();
Action<Type, string> capture = (t, s) =>
results.Enqueue(new Tuple<Type, string>(t, s));
var buildSteps = new IBuildStep[]
{
new Step1(capture),
new Step2(capture),
};
var dependencySorter = Substitute.For<IBuildStepDependencySorter>();
dependencySorter.Sort(Arg.Any<IEnumerable<IBuildStep>>())
.Returns(buildSteps.Reverse());
var sut = new Builder(dependencySorter)
.With(buildSteps[0])
.With(buildSteps[1]);
sut.Rollback();
var firstStep = results.Dequeue();
firstStep.Item1.Should().Be(typeof(Step1));
firstStep.Item2.Should().Be("Rollback");
var secondStep = results.Dequeue();
secondStep.Item1.Should().Be(typeof(Step2));
secondStep.Item2.Should().Be("Rollback");
results.Count.Should().Be(0);
}
