public void CanSortEmptyList()
{
var items = new List <PackageInProject>();
var sorter = new PackageInProjectTopologicalSort(Substitute.For <INuKeeperLogger>());
var sorted = sorter.Sort(items)
.ToList();
Assert.That(sorted, Is.Not.Null);
Assert.That(sorted, Is.Empty);
}
public void CanSortOneItem()
{
var items = new List <PackageInProject>
{
PackageFor("foo", "1.2.3", "bar{sep}fish.csproj"),
};
var sorter = new PackageInProjectTopologicalSort(Substitute.For <INuKeeperLogger>());
var sorted = sorter.Sort(items)
.ToList();
AssertIsASortOf(sorted, items);
Assert.That(sorted[0], Is.EqualTo(items[0]));
}
public void CanSortTwoUnrelatedItems()
{
var items = new List <PackageInProject>
{
PackageFor("foo", "1.2.3", "bar{sep}fish.csproj"),
PackageFor("bar", "2.3.4", "project2{sep}p2.csproj")
};
var logger = Substitute.For <INuKeeperLogger>();
var sorter = new PackageInProjectTopologicalSort(logger);
var sorted = sorter.Sort(items)
.ToList();
AssertIsASortOf(sorted, items);
logger.Received(1).Detailed("No dependencies between items, no need to sort on dependencies");
}
public void CanSortTwoRelatedItemsinReverseOrder()
{
var aProj = PackageFor("foo", "1.2.3", "someproject{sep}someproject.csproj");
var testProj = PackageFor("bar", "2.3.4", "someproject.tests{sep}someproject.tests.csproj", aProj);
var items = new List <PackageInProject>
{
aProj,
testProj
};
var logger = Substitute.For <INuKeeperLogger>();
var sorter = new PackageInProjectTopologicalSort(logger);
var sorted = sorter.Sort(items)
.ToList();
AssertIsASortOf(sorted, items);
Assert.That(sorted[0], Is.EqualTo(testProj));
Assert.That(sorted[1], Is.EqualTo(aProj));
logger.Received(1).Detailed(Arg.Is <string>(s => s.StartsWith("Resorted 2 projects by dependencies,")));
}
public void CanSortWithCycle()
{
var aProj = PackageFor("foo", "1.2.3", "someproject{sep}someproject.csproj");
var testProj = PackageFor("bar", "2.3.4", "someproject.tests{sep}someproject.tests.csproj", aProj);
// fake a circular ref - aproj is a new object but the same file path as above
aProj = PackageFor("foo", "1.2.3", "someproject{sep}someproject.csproj", testProj);
var items = new List <PackageInProject>
{
aProj,
testProj
};
var logger = Substitute.For <INuKeeperLogger>();
var sorter = new PackageInProjectTopologicalSort(logger);
var sorted = sorter.Sort(items)
.ToList();
AssertIsASortOf(sorted, items);
logger.Received(1).Minimal(Arg.Is <string>(s => s.StartsWith("Cannot sort by dependencies, cycle found at item")));
}
private IEnumerable <PackageInProject> Sort(IReadOnlyCollection <PackageInProject> packages)
{
var sorter = new PackageInProjectTopologicalSort(_logger);
return(sorter.Sort(packages));
}