public void GivenDiamondReferencing_ThenConcatDependenciesReturnsEachReferencedModuleOnlyOnceInDependencyOrder()
{
var module1 = new Module("~/module-1");
var asset1 = new Mock<IAsset>();
SetupAsset("~/module-1/a.js", asset1);
asset1.SetupGet(a => a.References)
.Returns(new[] {
new AssetReference("~/module-2/b.js", asset1.Object, 1, AssetReferenceType.DifferentModule),
new AssetReference("~/module-3/c.js", asset1.Object, 1, AssetReferenceType.DifferentModule)
});
module1.Assets.Add(asset1.Object);
var module2 = new Module("~/module-2");
var asset2 = new Mock<IAsset>();
SetupAsset("~/module-2/b.js", asset2);
asset2.SetupGet(a => a.References)
.Returns(new[] { new AssetReference("~/module-4/d.js", asset2.Object, 1, AssetReferenceType.DifferentModule) });
module2.Assets.Add(asset2.Object);
var module3 = new Module("~/module-3");
var asset3 = new Mock<IAsset>();
SetupAsset("~/module-3/c.js", asset3);
asset3.SetupGet(a => a.References)
.Returns(new[] { new AssetReference("~/module-4/d.js", asset3.Object, 1, AssetReferenceType.DifferentModule) });
module3.Assets.Add(asset3.Object);
var module4 = new Module("~/module-4");
var asset4 = new Mock<IAsset>();
SetupAsset("~/module-4/d.js", asset4);
module4.Assets.Add(asset4.Object);
var container = new ModuleContainer<Module>(new[] { module1, module2, module3, module4 });
container.IncludeReferencesAndSortModules(new[] { module1, module2, module3, module4 })
.SequenceEqual(new[] { module4, module2, module3, module1 }).ShouldBeTrue();
}
public void GivenModulesWithNoDependenciesAreReferencedInNonAlphaOrder_WhenIncludeReferencesAndSortModules_ThenReferenceOrderIsMaintained()
{
var module1 = new Module("~/module1");
var module2 = new Module("~/module2");
var container = new ModuleContainer<Module>(new[] { module1, module2 });
var sorted = container.IncludeReferencesAndSortModules(new[] { module2, module1 });
sorted.SequenceEqual(new[] { module2, module1 }).ShouldBeTrue();
}
public void GivenModulesWithCyclicReferences_WhenIncludeReferencesAndSortModules_ThenExceptionThrown()
{
var module1 = new Module("~/module1");
var module2 = new Module("~/module2");
module1.AddReferences(new[] { "~/module2" });
module2.AddReferences(new[] { "~/module1" });
var container = new ModuleContainer<Module>(new[] { module1, module2 });
Assert.Throws<InvalidOperationException>(delegate
{
container.IncludeReferencesAndSortModules(new[] { module2, module1 });
});
}
public void SortModulesToleratesExternalModulesWhichAreNotInTheContainer()
{
var externalModule1 = new ExternalScriptModule("http://test.com/test1.js");
var externalModule2 = new ExternalScriptModule("http://test.com/test2.js");
var container = new ModuleContainer<ScriptModule>(Enumerable.Empty<ScriptModule>());
var results = container.IncludeReferencesAndSortModules(new[] { externalModule1, externalModule2 });
results.SequenceEqual(new[] { externalModule1, externalModule2 }).ShouldBeTrue();
}
public void ImplicitReferenceOrderingMustNotIntroduceCycles()
{
var ms = Enumerable.Range(0, 5).Select(i => new Module("~/" + i)).ToArray();
ms[1].AddReferences(new[] { "~/4" });
ms[4].AddReferences(new[] { "~/3" });
var container = new ModuleContainer<Module>(ms);
var sorted = container.IncludeReferencesAndSortModules(ms).ToArray();
sorted[0].ShouldBeSameAs(ms[0]);
sorted[1].ShouldBeSameAs(ms[2]);
sorted[2].ShouldBeSameAs(ms[3]);
sorted[3].ShouldBeSameAs(ms[4]);
sorted[4].ShouldBeSameAs(ms[1]);
}
public void GivenModuleWithReferenceToAnotherModule_ModulesAreSortedInDependencyOrder()
{
var module1 = new Module("~/module1");
var module2 = new Module("~/module2");
module1.AddReferences(new[] { "~/module2" });
var container = new ModuleContainer<Module>(new[] { module1, module2 });
var sorted = container.IncludeReferencesAndSortModules(new[] { module1, module2 });
sorted.SequenceEqual(new[] { module2, module1 }).ShouldBeTrue();
}
