public void Build_ForBrowser_ReturnsTree()
{
var collection = DependencyTestData.CreateTestDataForTree();
var treeBuilder = new DependencyTreeBuilder <string>(collection);
var browserNode = treeBuilder.Build(DependencyTestData.Browser);
Assert.Equal(DependencyTestData.Browser, browserNode.Element);
Assert.Equal(2, browserNode.SubNodes.Count);
var appNode = browserNode.SubNodes.Single(x => x.Element == DependencyTestData.Application);
Assert.Equal(DependencyTestData.Application, appNode.Element);
var shellNode = appNode.SubNodes.Single(x => x.Element == DependencyTestData.Shell);
var vgaDriverNode = shellNode.SubNodes.Single(x => x.Element == DependencyTestData.VgaDriver);
Assert.Single(vgaDriverNode.SubNodes);
var kernelNode = vgaDriverNode.SubNodes.First();
Assert.Equal(DependencyTestData.Kernel, kernelNode.Element);
Assert.Empty(kernelNode.SubNodes);
var networkDriverNode = browserNode.SubNodes.Single(x => x.Element == DependencyTestData.NetworkDriver);
var kernelNode2 = networkDriverNode.SubNodes.Single(x => x.Element == DependencyTestData.Kernel);
Assert.Empty(kernelNode2.SubNodes);
}
public void Sort_CollectionWithCircularReference_ThrowsException()
{
var collection = DependencyTestData.CreateTestDataWithCircularReference();
var sorter = new DependencySorter <string>(collection);
var exception = Assert.Throws <CircularReferenceException>(() => sorter.Sort());
Assert.Contains(exception.PossibleCircularReferences, x => (string)x == DependencyTestData.Application);
Assert.Contains(exception.PossibleCircularReferences, x => (string)x == DependencyTestData.Shell);
}
public void Resolve_ForElement_ReturnsDependentElements(string element, params string[] expectedDependencies)
{
var collection = DependencyTestData.CreateTestData();
var resolver = new DependencyResolver <string>(collection);
var dependencies = resolver.Resolve(element).ToArray();
Assert.Equal(expectedDependencies.Length, dependencies.Length);
dependencies.ForEach(x => Assert.Contains(dependencies, item => item == x));
}
public void RemoveRedundancies_CollectionHasNoRedundancies_CollectionIsLikeBefore()
{
var collection = DependencyTestData.CreateTestData();
collection.RemoveRedundancies();
var expected = DependencyTestData.CreateTestData();
Assert.Equal(expected.DependencyObjects.Count, collection.DependencyObjects.Count);
for (var i = 0; i < expected.DependencyObjects.Count; i++)
{
Assert.True(AreEqual(expected.DependencyObjects.ToList()[i], collection.DependencyObjects.ToList()[i]));
}
}
public void AddElement_ElementIsNull()
{
var collection = DependencyTestData.CreateTestData();
collection.AddElement(null);
var expected = DependencyTestData.CreateTestData();
Assert.Equal(expected.DependencyObjects.Count, collection.DependencyObjects.Count);
for (var i = 0; i < expected.DependencyObjects.Count; i++)
{
Assert.True(AreEqual(expected.DependencyObjects.ToList()[i], collection.DependencyObjects.ToList()[i]));
}
}
public void RemoveRedundancies_CollectionHasRedundancies_CollectionIsWithoutRedundancies()
{
var collection = DependencyTestData.CreateTestData();
collection.AddDependency(DependencyTestData.Application, DependencyTestData.Shell);
collection.AddDependency(DependencyTestData.Application, DependencyTestData.Cpu);
collection.RemoveRedundancies();
var expected = DependencyTestData.CreateTestData();
Assert.Equal(expected.DependencyObjects.Count, collection.DependencyObjects.Count);
for (var i = 0; i < expected.DependencyObjects.Count; i++)
{
Assert.True(AreEqual(expected.DependencyObjects.ToList()[i], collection.DependencyObjects.ToList()[i]));
}
}
public void Sort_CorrectCollection_ReturnCorrectSortedElements()
{
var collection = DependencyTestData.CreateTestData();
var sorter = new DependencySorter <string>(collection);
var result = sorter.Sort().ToArray();
var expected =
new[]
{
DependencyTestData.Cpu,
DependencyTestData.Kernel,
DependencyTestData.VgaDriver,
DependencyTestData.Shell,
DependencyTestData.Application
};
Assert.Equal(expected, result);
}
public void Build_ForVgaDriver_ReturnsTree()
{
var collection = DependencyTestData.CreateTestData();
var treeBuilder = new DependencyTreeBuilder <string>(collection);
var vgaDriverNode = treeBuilder.Build(DependencyTestData.VgaDriver);
Assert.Equal(DependencyTestData.VgaDriver, vgaDriverNode.Element);
Assert.Single(vgaDriverNode.SubNodes);
var kernelNode = vgaDriverNode.SubNodes.First();
Assert.Equal(DependencyTestData.Kernel, kernelNode.Element);
Assert.Single(kernelNode.SubNodes);
var cpuNode = kernelNode.SubNodes.First();
Assert.Equal(DependencyTestData.Cpu, cpuNode.Element);
Assert.Empty(cpuNode.SubNodes);
}
public void CheckForCircularReferences_CollectionHasCircularReferences_ReturnsTrue()
{
var collection = DependencyTestData.CreateTestDataWithCircularReference();
Assert.True(collection.CheckForCircularReferences());
}
public void CheckForCircularReferences_CollectionHasNoCircularReferences_ReturnsFalse()
{
var collection = DependencyTestData.CreateTestData();
Assert.False(collection.CheckForCircularReferences());
}