public void FilterBasedOnMetadataUsingContainsMetadataTest()
{
var catalog = new AssemblyCatalog(typeof(FilteringCatalogTests).Assembly);
var filteredCatalog = new FilteringCatalog(catalog, new ContainsMetadata("key", "value"));
var container = new CompositionContainer(filteredCatalog);
var components = container.GetExports<IMetadataComponent>();
Assert.That(components, Is.Not.Null);
Assert.That(components.Count(), Is.EqualTo(1));
}
public AnotherRequest(ComposablePartCatalog parentCatalog, CompositionContainer parentContainer)
{
Console.WriteLine("/* AnotherRequest */");
// Create filtering catalog with creation policy filter
var filteringCatalog = new FilteringCatalog(
parentCatalog, new HasCreationPolicy(CreationPolicy.NonShared));
// Create the child container
this.requestContainer = new CompositionContainer(filteringCatalog, parentContainer);
}
public void FilterBasedOnSharedLifetimeUsingHasCreationPolicyTest()
{
var catalog = new AssemblyCatalog(typeof(FilteringCatalogTests).Assembly);
var filteredCatalog = new FilteringCatalog(catalog, new HasCreationPolicy(CreationPolicy.Shared));
var container = new CompositionContainer(filteredCatalog);
var components = container.GetExports<ILifetimeComponent>();
Assert.That(components, Is.Not.Null);
Assert.That(components.Count(), Is.EqualTo(1));
Assert.That(components.First().Value.GetType(), Is.EqualTo(typeof(LifetimeComponent2)));
}
public void FilterBasedOnMetadataUsingLambdaExpressionTest()
{
var catalog = new AssemblyCatalog(typeof(FilteringCatalogTests).Assembly);
var filteredCatalog = new FilteringCatalog(catalog,
partDefinition => partDefinition.Metadata.ContainsKey("key") &&
partDefinition.Metadata["key"].Equals("value"));
var container = new CompositionContainer(filteredCatalog);
var components = container.GetExports<IMetadataComponent>();
Assert.That(components, Is.Not.Null);
Assert.That(components.Count(), Is.EqualTo(1));
}
public void FilterBasedOnAnyLifetimeUsingHasCreationPolicyTest()
{
var catalog = new AssemblyCatalog(typeof(FilteringCatalogTests).Assembly);
var filteredCatalog = new FilteringCatalog(catalog, new HasCreationPolicy(CreationPolicy.Any));
var container = new CompositionContainer(filteredCatalog);
var components = container.GetExports<ILifetimeComponent>();
Assert.That(components, Is.Not.Null);
Assert.That(components.Count(), Is.EqualTo(2));
Assert.That(components.Select(t => t.Value).OfType<LifetimeComponent1>().First().GetType(), Is.EqualTo(typeof(LifetimeComponent1)));
Assert.That(components.Select(t => t.Value).OfType<LifetimeComponent4>().First().GetType(), Is.EqualTo(typeof(LifetimeComponent4)));
}
public YetAnotherRequest(ComposablePartCatalog parentCatalog, CompositionContainer parentContainer)
{
Console.WriteLine("/* YetAnotherRequest */");
// Create filtering catalog with "PER-REQUEST" creation policy filter
var filteringCatalog = new FilteringCatalog(
parentCatalog,
p => p.Metadata.ContainsKey(CompositionConstants.PartCreationPolicyMetadataName) &&
p.Metadata[CompositionConstants.PartCreationPolicyMetadataName].Equals(CreationPolicy.Shared) &&
p.Metadata.ContainsKey("PerRequest") &&
p.Metadata["PerRequest"].Equals(true)
);
// Create the child container
this.requestContainer = new CompositionContainer(filteringCatalog, parentContainer);
}
public void ParentChildContainerTest()
{
var catalog = new AssemblyCatalog(typeof(FilteringCatalogTests).Assembly);
var parent = new CompositionContainer(catalog);
var filteredCat = new FilteringCatalog(catalog, new HasCreationPolicy(CreationPolicy.NonShared));
var child = new CompositionContainer(filteredCat, parent);
var root = child.GetExportedValue<Root>();
var dep1 = root.Dep;
var dep2 = dep1.Dep;
var dep3 = dep2.Dep;
Assert.That(root.Disposed, Is.False);
Assert.That(dep1.Disposed, Is.False);
Assert.That(dep2.Disposed, Is.False);
Assert.That(dep3.Disposed, Is.False);
child.Dispose();
Assert.That(root.Disposed, Is.True); // Disposed as it was created by the child container
Assert.That(dep1.Disposed, Is.True); // Disposed as it was created by the child container
Assert.That(dep2.Disposed, Is.False);
Assert.That(dep3.Disposed, Is.False);
}
