public void MultipleJobsWithOneDependency()
{
OrderedJobs.Sort(
@"a =>
b => c
c =>")
.ShouldBe("acb");
}
public void PreventSelfReferencingDependency()
{
Should.Throw <Job.CircularDependency>(() =>
OrderedJobs.Sort(
@"a =>
b =>
c => c"));
}
public void MultipleJobsWithTwoDependencies()
{
OrderedJobs.Sort(
@"a => b
b => c
c =>")
.ShouldBe("cba");
}
public void MultipleJobsWithNoDependencies()
{
OrderedJobs.Sort(
@"a =>
b =>
c =>")
.ShouldBe("abc");
}
private static void Validate(Job job, OrderedJobs dependencyList)
{
var givenJob = job;
while (givenJob.HasDependency)
{
givenJob = JobHasNoDependency(givenJob, dependencyList, 0);
}
}
public void PreventCircularDependencies()
{
Should.Throw <Job.CircularDependency>(() =>
OrderedJobs.Sort(
@"a =>
b => c
c => f
d => a
e =>
f => b"));
}
public void MultipleJobsWithMultipleDependencies()
{
OrderedJobs.Sort(
@"a =>
b => c
c => f
d => a
e => b
f =>")
.ShouldBe("afcbde");
}
private static Job JobHasNoDependency(Job job, OrderedJobs dependencyList, int i)
{
if (string.IsNullOrEmpty(job.DependencyName))
{
return(job);
}
var dependentJob = dependencyList[job.DependencyName];
if (dependentJob == null || string.IsNullOrEmpty(dependentJob.DependencyName))
{
return(dependentJob);
}
if (i++ >= DependencyDepth)
{
throw new CircularReferencingDependencyException();
}
return(JobHasNoDependency(dependentJob, dependencyList, i));
}
public void SingleJobB()
{
OrderedJobs.Sort("b =>")
.ShouldBe("b");
}
public void SingleJobA()
{
OrderedJobs.Sort("a =>")
.ShouldBe("a");
}
public void EmptyJobList()
{
OrderedJobs.Sort("")
.ShouldBe("");
}
public Instructions()
{
_orderedJobs = new OrderedJobs();
}
