public void ConfigurableContainerIsUsed()
{
// --- Arrange
var registry = new OverridableSericeRegistry();
var settings = new ServiceContainerSettings(
"config",
null,
new List<MappingSettings>
{
new MappingSettings(typeof (ISampleService2), typeof (SampleService2)),
new MappingSettings(typeof (ISampleService3), typeof (SampleService3A))
});
registry.GetConfigurableContainer().ConfigureFrom(settings);
// --- Act
var service1 = registry.GetService<ISampleService1>();
var service2 = registry.GetService<ISampleService2>();
var service3 = registry.GetService<ISampleService3>();
// --- Assert
registry.GetPresetContainer().GetRegisteredServices().ShouldHaveCountOf(2);
registry.GetConfigurableContainer().GetRegisteredServices().ShouldHaveCountOf(2);
service1.ShouldBeOfType(typeof(SampleService1));
service2.ShouldBeOfType(typeof(SampleService2));
service3.ShouldBeOfType(typeof(SampleService3A));
}
public void LifetimeManagerResolutionWorksAsExpected()
{
// --- Arrange
const string SOURCE = @"<Temp name='container' parent='parent'>
<Map from='Seemplest.Core.UnitTests.DependencyInjection.ISampleRepository, Seemplest.Core.UnitTests, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'
to='Seemplest.Core.UnitTests.DependencyInjection.SampleRepository, Seemplest.Core.UnitTests, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'
lifetime='PerCall'>
</Map>
<Map from='Seemplest.Core.UnitTests.DependencyInjection.ISampleRepository, Seemplest.Core.UnitTests, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'
to='Seemplest.Core.UnitTests.DependencyInjection.SampleRepository, Seemplest.Core.UnitTests, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'
lifetime='PerThread'>
</Map>
<Map from='Seemplest.Core.UnitTests.DependencyInjection.ISampleRepository, Seemplest.Core.UnitTests, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'
to='Seemplest.Core.UnitTests.DependencyInjection.SampleRepository, Seemplest.Core.UnitTests, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'
lifetime='Singleton'>
</Map>
</Temp>";
var element = XElement.Parse(SOURCE);
// --- Act
var container1 = new ServiceContainerSettings(element);
var container2 = new ServiceContainerSettings(element, TypeResolver.Current);
// --- Assert
container1.Mappings.ShouldHaveCountOf(3);
container1.Mappings[0].Lifetime.ShouldEqual(typeof (PerCallLifetimeManager));
container1.Mappings[1].Lifetime.ShouldEqual(typeof (PerThreadLifetimeManager));
container1.Mappings[2].Lifetime.ShouldEqual(typeof (SingletonLifetimeManager));
container2.Mappings.ShouldHaveCountOf(3);
container2.Mappings[0].Lifetime.ShouldEqual(typeof(PerCallLifetimeManager));
container2.Mappings[1].Lifetime.ShouldEqual(typeof(PerThreadLifetimeManager));
container2.Mappings[2].Lifetime.ShouldEqual(typeof(SingletonLifetimeManager));
}
/// <summary>
/// Configures the container from the specified settings
/// </summary>
/// <param name="settings">Service container settings</param>
public void ConfigureFrom(ServiceContainerSettings settings)
{
_services.Clear();
foreach (var mapping in settings.Mappings)
{
var ltType = mapping.Lifetime ?? typeof(PerCallLifetimeManager);
var ltManager = (ILifetimeManager)Activator.CreateInstance(ltType);
Register(mapping.From, mapping.To, mapping.Parameters, mapping.Properties,
ltManager);
}
}
/// <summary>
/// Registers the specified container chain including parents
/// </summary>
/// <param name="containers">Collection of all containers to be registered</param>
/// <param name="container"></param>
/// <param name="visitedContainers"></param>
// ReSharper disable ParameterTypeCanBeEnumerable.Local
private void RegisterContainer(List <ServiceContainerSettings> containers, ServiceContainerSettings container,
// ReSharper restore ParameterTypeCanBeEnumerable.Local
ICollection <string> visitedContainers)
{
// --- Go back, if the container has already been registered.
var name = container.Name;
if (Containers.ContainsKey(name))
{
return;
}
// --- Observe circular container reference
if (visitedContainers.Contains(name))
{
throw new CircularContainerReferenceException(name);
}
// --- Obtain parent container, if there is any
var parentName = container.ParentName;
IServiceContainer parentContainer = null;
if (parentName != null)
{
// --- First register the parent container
visitedContainers.Add(name);
var parentSettings = containers.FirstOrDefault(c => c.Name == parentName);
if (parentSettings == null)
{
throw new ContainerNotFoundException(parentName);
}
RegisterContainer(containers, parentSettings, visitedContainers);
parentContainer = Containers[parentName];
}
// --- Prepare the container and initialize its mappings
var newContainer = new ServiceContainer(name, parentContainer);
newContainer.ConfigureFrom(container);
Containers.Add(name, newContainer);
}
public void ReadAndWriteWorksAsExpected()
{
// --- Arrange
var settings = new ServiceContainerSettings("container", "parent",
new List<MappingSettings>
{
new MappingSettings(typeof(ISampleService), typeof(SampleService)),
new MappingSettings(typeof(ISampleRepository), typeof(SampleRepository),
typeof(SingletonLifetimeManager),
new InjectedParameterSettingsCollection(new List<InjectedParameterSettings>
{
new InjectedParameterSettings(typeof(int), "12"),
new InjectedParameterSettings(typeof(string), "Hello")
}),
new PropertySettingsCollection(new List<PropertySettings>
{
new PropertySettings("Prop1", "value1"),
new PropertySettings("Prop2", "value2")
}))
});
// --- Act
var element = settings.WriteToXml("Temp");
var newSettings = new ServiceContainerSettings(element);
// --- Assert
newSettings.Mappings.ShouldHaveCountOf(2);
newSettings.Mappings[0].From.ShouldEqual(typeof (ISampleService));
newSettings.Mappings[0].To.ShouldEqual(typeof(SampleService));
newSettings.Mappings[0].Lifetime.ShouldBeNull();
newSettings.Mappings[0].Parameters.ShouldBeNull();
newSettings.Mappings[0].Properties.ShouldBeNull();
newSettings.Mappings[1].From.ShouldEqual(typeof(ISampleRepository));
newSettings.Mappings[1].To.ShouldEqual(typeof(SampleRepository));
newSettings.Mappings[1].Lifetime.ShouldEqual(typeof(SingletonLifetimeManager));
newSettings.Mappings[1].Parameters.ShouldHaveCountOf(2);
newSettings.Mappings[1].Properties.ShouldHaveCountOf(2);
}