public void Sort_MesWesDependOnSys_SysBeforeMesWes()
{
// Arrange
WorkloadInstance w1 = BuildWorkloadInstance(SYS);
List <string> mesDependencies = new List <string> {
SYS
};
WorkloadInstance w2 = BuildWorkloadInstance(MES, mesDependencies);
List <string> wesDependencies = new List <string> {
SYS
};
WorkloadInstance w3 = BuildWorkloadInstance(WES, wesDependencies);
List <WorkloadInstance> workloadInstances = new List <WorkloadInstance>()
{
w2, w3, w1
};
// Act
WorkloadInstanceTopologicalSortUtil topologicalSortUtil = new WorkloadInstanceTopologicalSortUtil(workloadInstances);
List <WorkloadInstance> sortedWorkloadInstances = topologicalSortUtil.Sort();
// Assert
sortedWorkloadInstances[0].Should().Be(w1);
}
public void Sort_EmptyWorkloadInstanceList_EmptyListReturned()
{
// Arrange
List <WorkloadInstance> workloadInstances = new List <WorkloadInstance>();
// Act
WorkloadInstanceTopologicalSortUtil topologicalSortUtil = new WorkloadInstanceTopologicalSortUtil(workloadInstances);
List <WorkloadInstance> sortedWorkloadInstances = topologicalSortUtil.Sort();
// Assert
sortedWorkloadInstances.Should().HaveCount(0);
}
public void New_NullWorkloadInstanceList_ExceptionThrown()
{
// Arrange
bool exceptionThrown = false;
List <WorkloadInstance> workloadInstances = null;
// Act
try
{
WorkloadInstanceTopologicalSortUtil topologicalSortUtil = new WorkloadInstanceTopologicalSortUtil(workloadInstances);
}
catch (ArgumentNullException)
{
exceptionThrown = true;
}
exceptionThrown.Should().BeTrue();
}
public void Sort_FourElementsWithMultipleDependencies_CorrectSort()
{
const string TEST = "Test";
List <string> sysDependencies = new List <string> {
MES
};
WorkloadInstance w1 = BuildWorkloadInstance(SYS, sysDependencies);
List <string> mesDependencies = new List <string> {
TEST
};
WorkloadInstance w2 = BuildWorkloadInstance(MES, mesDependencies);
List <string> wesDependencies = new List <string> {
SYS, TEST
};
WorkloadInstance w3 = BuildWorkloadInstance(WES, wesDependencies);
WorkloadInstance w4 = BuildWorkloadInstance(TEST);
List <WorkloadInstance> workloadInstances = new List <WorkloadInstance>()
{
w1, w2, w3, w4
};
// Act
WorkloadInstanceTopologicalSortUtil topologicalSortUtil = new WorkloadInstanceTopologicalSortUtil(workloadInstances);
List <WorkloadInstance> sortedWorkloadInstances = topologicalSortUtil.Sort();
// Assert
List <WorkloadInstance> expectedSortedList = new List <WorkloadInstance> {
w4, w2, w1, w3
};
for (int i = 0; i < sortedWorkloadInstances.Count; i++)
{
sortedWorkloadInstances[i].Should().Be(expectedSortedList[i]);
}
}
public void Sort_ThreeWorkloadInstancesInput_SortedListHasAllWorkloadInstances()
{
// Arrange
WorkloadInstance w1 = BuildWorkloadInstance(SYS);
WorkloadInstance w2 = BuildWorkloadInstance(MES);
WorkloadInstance w3 = BuildWorkloadInstance(WES);
List <WorkloadInstance> workloadInstances = new List <WorkloadInstance>()
{
w1, w2, w3
};
// Act
WorkloadInstanceTopologicalSortUtil topologicalSortUtil = new WorkloadInstanceTopologicalSortUtil(workloadInstances);
List <WorkloadInstance> sortedWorkloadInstances = topologicalSortUtil.Sort();
// Assert
sortedWorkloadInstances.Should().HaveCount(workloadInstances.Count);
foreach (var expectedWorkloadInstance in workloadInstances)
{
sortedWorkloadInstances.Should().Contain(expectedWorkloadInstance);
}
}
