public void ThrowCircularDependencyException()
{
IDependencyCollection collection = new DependencyCollection();
collection.AddScoped <CircularDependencyA>();
collection.AddScoped <CircularDependencyB>();
using ILifetimeScope scope = collection.CreateScope();
using IDependencyProvider provider = scope.BuildProvider();
Should.Throw <CircularDependencyException>(provider.GetDependency <CircularDependencyA>);
}
public static void DependencyBenchmark(int iterations)
{
SDK.Benchmarking.Benchmark benchmark = new SDK.Benchmarking.Benchmark(metrics =>
{
IDependencyCollection dependencies = new DependencyCollection();
ILifetimeScope scope = null;
IDependencyProvider provider = null;
metrics
.AddMetric("Registration")
.Measure(() =>
{
dependencies.Register <AddressService>().DefineAs <IAddressService>().AsScoped();
dependencies.Register <EmailService>().DefineAs <IEmailService>().AsScoped();
dependencies.Register <MessagingService>().DefineAs <IMessagingService>().AsScoped();
dependencies.Register <PostalService>().DefineAs <IPostalService>().AsScoped();
});
metrics
.AddMetric("Create Scope")
.Measure(() =>
{
scope = dependencies.CreateScope();
provider = scope.BuildProvider();
});
metrics
.AddMetric("1st Get Dependency")
.Measure(() =>
{
provider.GetDependency <IMessagingService>();
});
metrics
.AddMetric("2nd Get Dependency")
.Measure(() =>
{
provider.GetDependency <IMessagingService>();
});
metrics
.AddMetric("Dispose Scope")
.Measure(() =>
{
scope.Dispose();
});
});
IBenchmarkResult results = benchmark.Run(iterations);
PrintResult(results);
}
public void GetDependencyWithScope()
{
IDependencyCollection collection = new DependencyCollection();
collection.AddSingleton <DependencyWithScope, DependencyWithScope>();
using (ILifetimeScope scope = collection.CreateScope())
{
using (IDependencyProvider provider = scope.BuildProvider())
{
DependencyWithScope dependency = Should.NotThrow(provider.GetDependency <DependencyWithScope>);
dependency.ShouldNotBeNull();
dependency.Scope.ShouldNotBeNull();
}
}
using (IDependencyProvider provider = collection.BuildProvider())
{
Should.Throw <InvalidScopeException>(provider.GetDependency <DependencyWithScope>);
}
}
public void GetAddedTransient()
{
TestDisposable disposableA;
TestDisposable disposableB;
TestDependency dependencyA;
IDependencyCollection collection = new DependencyCollection();
collection.AddTransient(() => new TestDisposable
{
IntValue = 171,
StringValue = "Hello World"
});
collection.AddTransient <TestDependency, TestDependency>();
collection.TryAddTransient(() => new TestDisposable()).ShouldBeFalse();
collection.TryAddTransient <TestDependency, TestDependency>().ShouldBeFalse();
collection.HasDependency <TestDisposable>().ShouldBeTrue();
collection.HasDependency <TestDependency>().ShouldBeTrue();
using (ILifetimeScope scope = collection.CreateScope())
{
using (IDependencyProvider provider = Should.NotThrow(scope.BuildProvider))
{
provider.TryGetDependency(out disposableA).ShouldBe(true);
provider.HasDependency <TestDisposable>().ShouldBeTrue();
disposableA = Should.NotThrow(provider.GetDependency <TestDisposable>);
disposableA.IsDisposed.ShouldBeFalse();
disposableA.IntValue.ShouldBe(171);
disposableA.StringValue.ShouldBe("Hello World");
disposableA.IntValue = 1024;
disposableA.StringValue = "No longer hello world";
disposableB = Should.NotThrow(provider.GetDependency <TestDisposable>);
disposableB.IsDisposed.ShouldBeFalse();
disposableB.IntValue.ShouldBe(171);
disposableB.StringValue.ShouldBe("Hello World");
dependencyA = Should.NotThrow(provider.GetDependency <TestDependency>);
dependencyA.TestDisposable.IsDisposed.ShouldBeFalse();
dependencyA.TestDisposable.IntValue.ShouldBe(171);
dependencyA.TestDisposable.StringValue.ShouldBe("Hello World");
}
disposableA.IsDisposed.ShouldBeTrue();
disposableB.IsDisposed.ShouldBeTrue();
using (IDependencyProvider provider = Should.NotThrow(scope.BuildProvider))
{
provider.HasDependency <TestDisposable>().ShouldBeTrue();
disposableA = Should.NotThrow(provider.GetDependency <TestDisposable>);
disposableA.IsDisposed.ShouldBeFalse();
disposableA.IntValue.ShouldBe(171);
disposableA.StringValue.ShouldBe("Hello World");
dependencyA = Should.NotThrow(provider.GetDependency <TestDependency>);
dependencyA.TestDisposable.IsDisposed.ShouldBeFalse();
dependencyA.TestDisposable.IntValue.ShouldBe(171);
dependencyA.TestDisposable.StringValue.ShouldBe("Hello World");
}
disposableA.IsDisposed.ShouldBeTrue();
disposableB.IsDisposed.ShouldBeTrue();
}
disposableA.IsDisposed.ShouldBeTrue();
disposableB.IsDisposed.ShouldBeTrue();
ILifetimeScope dependencyScope = collection.CreateScope();
IDependencyProvider dependencyProvider = dependencyScope.BuildProvider();
TestDisposable disposable = dependencyProvider.GetDependency <TestDisposable>();
disposable.IsDisposed.ShouldBeFalse();
dependencyScope.Dispose();
disposable.IsDisposed.ShouldBeTrue();
}