public void DependencyGraphBigBranch()
{
var g = new PvcDependencyGraph();
g.AddDependencies("A", new string[] { "B", "C", "D", "E" });
var paths = g.GetPaths("A");
CheckPaths(g, paths);
var pathstrings = paths.Select(p => string.Join(" ", p)).ToList();
Assert.Equal(24, pathstrings.Count);
Assert.Contains("E D C B A", pathstrings);
Assert.Contains("D E C B A", pathstrings);
Assert.Contains("E C D B A", pathstrings);
Assert.Contains("C E D B A", pathstrings);
Assert.Contains("D C E B A", pathstrings);
Assert.Contains("C D E B A", pathstrings);
Assert.Contains("E D B C A", pathstrings);
Assert.Contains("D E B C A", pathstrings);
Assert.Contains("E B D C A", pathstrings);
Assert.Contains("B E D C A", pathstrings);
Assert.Contains("D B E C A", pathstrings);
Assert.Contains("B D E C A", pathstrings);
Assert.Contains("E C B D A", pathstrings);
Assert.Contains("C E B D A", pathstrings);
Assert.Contains("E B C D A", pathstrings);
Assert.Contains("B E C D A", pathstrings);
Assert.Contains("C B E D A", pathstrings);
Assert.Contains("B C E D A", pathstrings);
Assert.Contains("D C B E A", pathstrings);
Assert.Contains("C D B E A", pathstrings);
Assert.Contains("D B C E A", pathstrings);
Assert.Contains("B D C E A", pathstrings);
Assert.Contains("C B D E A", pathstrings);
Assert.Contains("B C D E A", pathstrings);
}
public void DependencyGraphCheckPaths()
{
var g = new PvcDependencyGraph();
g.AddDependencies("A", new string[] { "B", "C" });
Assert.Throws<InvalidPathException>(() =>
{
CheckPath(g, new List<string>(new string[]{"A", "B", "C"}));
});
Assert.DoesNotThrow(() =>
{
CheckPath(g, new List<string>(new string[] { "C", "B", "A" }));
});
}
public void Start(string taskName)
{
if (this.LoadedTasks.FirstOrDefault(x => x.taskName == taskName) == null)
{
throw new PvcException("Task {0} not defined.", taskName);
}
var dependencyGraph = new PvcDependencyGraph();
foreach (var task in this.LoadedTasks)
{
dependencyGraph.AddDependencies(task.taskName, task.dependentTaskNames);
}
var executionPaths = new List <IEnumerable <PvcTask> >();
var runPaths = dependencyGraph.GetPaths(taskName);
foreach (var runPath in runPaths)
{
var runTasks = runPath.Select(x => this.LoadedTasks.First(y => y.taskName == x));
executionPaths.Add(runTasks);
foreach (var runTask in runTasks)
{
// create locks
locks.AddOrUpdate(runTask.taskName, new { }, (s, o) => o);
}
}
try
{
foreach (var executionPath in executionPaths.AsParallel())
{
this.RunTasks(executionPath.ToArray());
}
}
catch (AggregateException ex)
{
throw new PvcException(ex.InnerException);
}
}
public void DependencyGraphCircular()
{
var g = new PvcDependencyGraph();
g.AddDependencies("A", new string[] { "B", "C" });
g.AddDependency("B", "C");
g.AddDependency("C", "B");
Assert.Throws<PvcCircularDependencyException>(() =>
{
var paths = g.GetPaths("A");
});
try
{
var paths = g.GetPaths("A");
}
catch (PvcCircularDependencyException e)
{
Assert.Equal(e.CircularPath.Count, 4);
Assert.Equal(e.CircularPath[0], "A");
Assert.Equal(e.CircularPath[1], "B");
Assert.Equal(e.CircularPath[2], "C");
Assert.Equal(e.CircularPath[3], "B");
}
}
public void Start(string taskName)
{
if (this.LoadedTasks.FirstOrDefault(x => x.taskName == taskName) == null)
throw new PvcException("Task {0} not defined.", taskName);
var dependencyGraph = new PvcDependencyGraph();
foreach (var task in this.LoadedTasks)
{
dependencyGraph.AddDependencies(task.taskName, task.dependentTaskNames);
}
var executionPaths = new List<IEnumerable<PvcTask>>();
var runPaths = dependencyGraph.GetPaths(taskName);
foreach (var runPath in runPaths)
{
var runTasks = runPath.Select(x => this.LoadedTasks.First(y => y.taskName == x));
executionPaths.Add(runTasks);
foreach (var runTask in runTasks)
{
// create locks
locks.AddOrUpdate(runTask.taskName, new { }, (s, o) => o);
}
}
try
{
foreach (var executionPath in executionPaths.AsParallel())
{
this.RunTasks(executionPath.ToArray());
}
}
catch (AggregateException ex)
{
throw new PvcException(ex.InnerException);
}
}
public void DependencyGraphComplex()
{
var g = new PvcDependencyGraph();
g.AddDependencies("A", new string[] { "B", "C" });
g.AddDependencies("B", new string[] { "D", "E" });
g.AddDependencies("C", new string[] { "D", "E" });
var paths = g.GetPaths("A");
CheckPaths(g, paths);
var pathstrings = paths.Select(p => string.Join(" ", p)).Distinct().ToList();
Assert.Equal(4, pathstrings.Count);
Assert.Contains("E D C B A", pathstrings);
Assert.Contains("D E C B A", pathstrings);
Assert.Contains("E D B C A", pathstrings);
Assert.Contains("D E B C A", pathstrings);
}
private void CheckPaths(PvcDependencyGraph g, List<List<string>> paths)
{
Assert.True(paths.Count >= 1);
foreach (var path in paths)
{
CheckPath(g, path);
}
}
private void CheckPath(PvcDependencyGraph g, List<string> path)
{
var deps = new HashSet<string>();
foreach (var node in path)
{
foreach (var dep in g.GetDependencies(node))
{
if (!deps.Contains(dep))
{
throw new InvalidPathException(path);
}
}
deps.Add(node);
}
}
public void DependencyGraphSingleItem()
{
var g = new PvcDependencyGraph();
g.AddDependencies("A");
var paths = g.GetPaths("A");
CheckPaths(g, paths);
var pathstrings = paths.Select(p => string.Join(" ", p)).ToList();
Assert.Equal(1, pathstrings.Count);
Assert.Contains("A", pathstrings);
}
public void DependencyGraphSingleBranch()
{
var g = new PvcDependencyGraph();
g.AddDependencies("A", new string[] { "B", "C" });
var paths = g.GetPaths("A");
CheckPaths(g, paths);
var pathstrings = paths.Select(p => string.Join(" ", p)).ToList();
Assert.Equal(2, pathstrings.Count);
Assert.Contains("B C A", pathstrings);
Assert.Contains("C B A", pathstrings);
}
public void DependencyGraphRemovesExtraNodes()
{
var g = new PvcDependencyGraph();
g.AddDependency("A", "B");
// These two aren't actually part of the graph for A.
g.AddDependency("C", "D");
// This depends on A, so shouldn't be included in the dependencies for A.
g.AddDependency("Z", "A");
var paths = g.GetPaths("A");
CheckPaths(g, paths);
Assert.Equal(1, paths.Count);
Assert.Equal(2, paths[0].Count);
}
public void DependencyGraphMultipleBranches()
{
var g = new PvcDependencyGraph();
g.AddDependencies("A", new string[] { "B", "C" });
g.AddDependency("B", "D");
g.AddDependency("C", "E");
g.AddDependency("E", "F");
g.AddDependency("E", "G");
var paths = g.GetPaths("A");
CheckPaths(g, paths);
Assert.Equal(12, paths.Count);
}
public void DependencyGraphHugeBranchesWithMoreBranching()
{
var g = new PvcDependencyGraph();
g.AddDependencies("A", new string[] { "B", "C", "D", "E", "F", "G", "H", "I" });
g.AddDependency("F", "J");
g.AddDependency("F", "K");
var paths = g.GetPaths("A");
CheckPaths(g, paths);
Assert.Equal(1, paths.Count);
}
public void DependencyGraphHugeBranches()
{
var g = new PvcDependencyGraph();
g.AddDependencies("A", new string[] { "B", "C", "D", "E", "F", "G", "H", "I" });
var paths = g.GetPaths("A");
CheckPaths(g, paths);
var pathstrings = paths.Select(p => string.Join("", p)).ToList();
Assert.Equal(1, pathstrings.Count);
Assert.Equal(9, pathstrings[0].Count());
Assert.EndsWith("A", pathstrings[0]);
}
