public void Replace() { var services = new ServiceContainer(); var serviceA = new Service1(); var serviceB = new Service1(); var service2 = new Service2(); Assert.Empty(services); services.AddSingleton <IService1>(serviceA); services.AddSingleton <IService2>(service2); Assert.Equal(2, services.Count); Assert.Same(serviceA, services.GetService <IService1>()); Assert.Same(service2, services.GetService <IService2>()); // Verify that adding service with the same type as an existing // service, replaces the existing service rather than throwing // an exception. services.AddSingleton <IService1>(serviceB); Assert.Equal(2, services.Count); Assert.Same(serviceB, services.GetService <IService1>()); Assert.Same(service2, services.GetService <IService2>()); }
static void Main(string[] args) { IServiceContainer container = new ServiceContainer(); container.AddSingleton <IConfigureOptions <Test2> >(new ConfigureOptions <Test2>(t => t.Value = "Hello")); container.AddTransient <ITest2, Test2>(); container.AddTransient <ITest3, Test3>(); container.AddSingleton <ITest, Test>(); container.AddAutoMapper(c => { }); var mapper = container.Get <IMapper>(); Console.WriteLine(mapper.ToString()); //optional, for checking missing references and circular references. //if there is a missing ref or circularity, throws exception //container.CheckServices(); //var t1 = container.Get<ITest>();bi //var t2 = container.GetService<ITest>(); //Console.WriteLine(t1.Value); //Console.WriteLine(t2.Value); var test = container.Get <ITest>(); Console.WriteLine(test.Value); Console.WriteLine("Hello World!"); }
public void SingletonInTransient() { ServiceContainer services = new ServiceContainer(); services.AddTransient <IParentService, ParentService>(); services.AddSingleton <IFirstChildService, FirstChildService>(); services.AddSingleton <ISecondChildService, SecondChildService>(); IFirstChildService first = services.Get <IFirstChildService>(); first.Foo = "first"; IParentService parent = services.Get <IParentService>(); parent.Foo = "parent"; parent.Second.Foo = "second"; Assert.Equal(first.Foo, parent.First.Foo); ISecondChildService second = services.Get <ISecondChildService>(); Assert.Equal(second.Foo, parent.Second.Foo); IParentService p = services.Get <IParentService>(); Assert.NotEqual(p.Foo, parent.Foo); Assert.Equal(p.First.Foo, parent.First.Foo); Assert.Equal(p.Second.Foo, parent.Second.Foo); }
public async Task MultipleNestedDoubleParameter() { ServiceContainer services = new ServiceContainer(); services.AddSingleton <INestParentService, NestParentService>(); services.AddSingleton <ISingleService, SingleService>(); services.AddSingleton <IParentService, ParentService>(); services.AddSingleton <IFirstChildService, FirstChildService>(); services.AddSingleton <ISecondChildService, SecondChildService>(); INestParentService nest = await services.Get <INestParentService>(); nest.Foo = "nest"; nest.Parent.Foo = "parent"; nest.Parent.First.Foo = "first"; nest.Parent.Second.Foo = "second"; nest.Single.Foo = "single"; INestParentService n1 = await services.Get <INestParentService>(); Assert.Equal(nest.Foo, n1.Foo); Assert.Equal(nest.Single.Foo, n1.Single.Foo); Assert.Equal(nest.Parent.Foo, n1.Parent.Foo); Assert.Equal(nest.Parent.First.Foo, n1.Parent.First.Foo); Assert.Equal(nest.Parent.Second.Foo, n1.Parent.Second.Foo); IParentService parent = await services.Get <IParentService>(); Assert.Equal(nest.Parent.Foo, parent.Foo); Assert.Equal(nest.Parent.First.Foo, parent.First.Foo); Assert.Equal(nest.Parent.Second.Foo, parent.Second.Foo); ISingleService single = await services.Get <ISingleService>(); Assert.Equal(nest.Single.Foo, single.Foo); IFirstChildService first = await services.Get <IFirstChildService>(); Assert.Equal(nest.Parent.First.Foo, first.Foo); ISecondChildService second = await services.Get <ISecondChildService>(); Assert.Equal(nest.Parent.Second.Foo, second.Foo); IContainerScope scope = services.CreateScope(); INestParentService n2 = await services.Get <INestParentService>(scope); Assert.Equal(nest.Foo, n2.Foo); Assert.Equal(nest.Single.Foo, n2.Single.Foo); Assert.Equal(nest.Parent.Foo, n2.Parent.Foo); Assert.Equal(nest.Parent.First.Foo, n2.Parent.First.Foo); Assert.Equal(nest.Parent.Second.Foo, n2.Parent.Second.Foo); }
public void TransientInSingleton() { ServiceContainer services = new ServiceContainer(); services.AddSingleton <IParentService, ParentService>(); services.AddTransient <IFirstChildService, FirstChildService>(); services.AddTransient <ISecondChildService, SecondChildService>(); IParentService parent = services.Get <IParentService>(); parent.Foo = "parent"; parent.First.Foo = "first"; parent.Second.Foo = "second"; //services in singleton service is created only once (cuz they created via parent) IParentService p = services.Get <IParentService>(); Assert.Equal(parent.Foo, p.Foo); Assert.Equal(parent.First.Foo, p.First.Foo); Assert.Equal(parent.Second.Foo, p.Second.Foo); IFirstChildService first = services.Get <IFirstChildService>(); Assert.NotEqual(parent.First.Foo, first.Foo); ISecondChildService second = services.Get <ISecondChildService>(); Assert.NotEqual(parent.Second.Foo, second.Foo); }
public async Task SingletonInScopedPool() { ServiceContainer services = new ServiceContainer(); services.AddScopedPool <IParentService, ParentService>(); services.AddSingleton <IFirstChildService, FirstChildService>(); services.AddSingleton <ISecondChildService, SecondChildService>(); IContainerScope scope = services.CreateScope(); IParentService parent = await services.Get <IParentService>(scope); parent.Foo = "parent"; parent.First.Foo = "first"; parent.Second.Foo = "second"; IParentService p = await services.Get <IParentService>(scope); Assert.Equal(parent.Foo, p.Foo); Assert.Equal(parent.First.Foo, p.First.Foo); Assert.Equal(parent.Second.Foo, p.Second.Foo); IFirstChildService f2 = await services.Get <IFirstChildService>(scope); IFirstChildService f3 = await services.Get <IFirstChildService>(); Assert.Equal(parent.First.Foo, f2.Foo); Assert.Equal(parent.First.Foo, f3.Foo); ISecondChildService s2 = await services.Get <ISecondChildService>(scope); ISecondChildService s3 = await services.Get <ISecondChildService>(); Assert.Equal(parent.Second.Foo, s2.Foo); Assert.Equal(parent.Second.Foo, s3.Foo); IContainerScope scope2 = services.CreateScope(); IParentService p2 = await services.Get <IParentService>(scope2); Assert.NotEqual(parent.Foo, p2.Foo); Assert.Equal(parent.First.Foo, p2.First.Foo); Assert.Equal(parent.Second.Foo, p2.Second.Foo); }
public void Singelton() { var services = new ServiceContainer(); var service1 = new Service1(); var service2 = new Service2(); Assert.Empty(services); services.AddSingleton <IService1>(service1); services.AddSingleton <IService2>(service2); Assert.Equal(2, services.Count); Assert.Same(service1, services.GetService <IService1>()); Assert.Same(service2, services.GetService <IService2>()); Assert.Null(services.GetService <IService3>()); Assert.Throws <InvalidOperationException>(() => services.GetRequiredService <IService3>()); services.GetService <IService1>(); }
public async Task Nested() { ServiceContainer services = new ServiceContainer(); services.AddSingleton <IParentService, ParentService>(); services.AddSingleton <IFirstChildService, FirstChildService>(); services.AddSingleton <ISecondChildService, SecondChildService>(); IParentService singleton = await services.Get <IParentService>(); singleton.Foo = "singleton"; singleton.First.Foo = "first"; singleton.Second.Foo = "second"; IParentService p1 = await services.Get <IParentService>(); Assert.Equal(singleton.Foo, p1.Foo); Assert.Equal(singleton.First, p1.First); Assert.Equal(singleton.Second, p1.Second); Assert.Equal(singleton.First.Foo, p1.First.Foo); Assert.Equal(singleton.Second.Foo, p1.Second.Foo); IFirstChildService first = await services.Get <IFirstChildService>(); Assert.Equal(singleton.First.Foo, first.Foo); ISecondChildService second = await services.Get <ISecondChildService>(); Assert.Equal(singleton.Second.Foo, second.Foo); IContainerScope scope = services.CreateScope(); IParentService p2 = await services.Get <IParentService>(scope); Assert.Equal(singleton.Foo, p2.Foo); Assert.Equal(singleton.First, p2.First); Assert.Equal(singleton.Second, p2.Second); Assert.Equal(singleton.First.Foo, p2.First.Foo); Assert.Equal(singleton.Second.Foo, p2.Second.Foo); }
public async Task ScopedInSingleton() { ServiceContainer services = new ServiceContainer(); services.AddSingleton <IParentService, ParentService>(); services.AddScoped <IFirstChildService, FirstChildService>(); services.AddScoped <ISecondChildService, SecondChildService>(); await Assert.ThrowsAsync <InvalidOperationException>(async() => await services.Get <IParentService>()); await Assert.ThrowsAsync <InvalidOperationException>(async() => await services.Get <IFirstChildService>()); await Assert.ThrowsAsync <InvalidOperationException>(async() => await services.Get <ISecondChildService>()); IContainerScope scope = services.CreateScope(); IParentService parent = await services.Get <IParentService>(scope); parent.Foo = "parent"; parent.First.Foo = "first"; parent.Second.Foo = "second"; IParentService p1 = await services.Get <IParentService>(scope); Assert.Equal(parent.Foo, p1.Foo); Assert.Equal(parent.First.Foo, p1.First.Foo); Assert.Equal(parent.Second.Foo, p1.Second.Foo); //in same scope, individual scoped items should equal IFirstChildService f1 = await services.Get <IFirstChildService>(scope); ISecondChildService s1 = await services.Get <ISecondChildService>(scope); Assert.Equal(parent.First.Foo, f1.Foo); Assert.Equal(parent.Second.Foo, s1.Foo); //scoped services in singleton should equal (because parent is same) IContainerScope scope2 = services.CreateScope(); IParentService p2 = await services.Get <IParentService>(scope2); Assert.Equal(parent.Foo, p2.Foo); Assert.Equal(parent.First.Foo, p2.First.Foo); Assert.Equal(parent.Second.Foo, p2.Second.Foo); //but individual created scoped items in different scope should not equal IFirstChildService f2 = await services.Get <IFirstChildService>(scope2); ISecondChildService s2 = await services.Get <ISecondChildService>(scope2); Assert.NotEqual(parent.First.Foo, f2.Foo); Assert.NotEqual(parent.Second.Foo, s2.Foo); }
public void SingletonInScoped() { ServiceContainer services = new ServiceContainer(); services.AddScoped <IParentService, ParentService>(); services.AddSingleton <IFirstChildService, FirstChildService>(); services.AddSingleton <ISecondChildService, SecondChildService>(); IContainerScope scope = services.CreateScope(); IFirstChildService first = services.Get <IFirstChildService>(scope); first.Foo = "first"; IParentService parent = services.Get <IParentService>(scope); parent.Foo = "parent"; parent.Second.Foo = "second"; Assert.Equal(first.Foo, parent.First.Foo); ISecondChildService second = services.Get <ISecondChildService>(scope); Assert.Equal(second.Foo, parent.Second.Foo); IParentService p1 = services.Get <IParentService>(scope); Assert.Equal(p1.Foo, parent.Foo); Assert.Equal(p1.First.Foo, parent.First.Foo); Assert.Equal(p1.Second.Foo, parent.Second.Foo); IContainerScope scope2 = services.CreateScope(); IParentService p2 = services.Get <IParentService>(scope2); Assert.NotEqual(p2.Foo, parent.Foo); Assert.Equal(p2.First.Foo, parent.First.Foo); Assert.Equal(p2.Second.Foo, parent.Second.Foo); }
public ServiceFactoryTests() { var container = new ServiceContainer(); container.AddTransient(factory => DateTime.UtcNow); container.AddTransient <IBasicService, BasicService>(); container.AddSingleton <IMediumComplexityService, MediumComplexityService>(); container.AddTransient <IComplexService, ComplexService>(); container.AddTransient <Stream, MemoryStream>(factory => new MemoryStream()); container.AddTransient(typeof(GenericService <>)); IDictionary <Type, RegisteredType> settings = container.ExportSettings(); DefaultFactory = new ServiceFactory(InstanceFactory.Instance, settings); }
public async Task PoolsInSingleton() { ServiceContainer services = new ServiceContainer(); services.AddSingleton <IParentService, ParentService>(); services.AddTransientPool <IFirstChildService, FirstChildService>(); services.AddScopedPool <ISecondChildService, SecondChildService>(); IContainerScope scope = services.CreateScope(); await Assert.ThrowsAsync <InvalidOperationException>(async() => await services.Get <IParentService>()); await Assert.ThrowsAsync <InvalidOperationException>(async() => await services.Get <ISecondChildService>()); IParentService parent = await services.Get <IParentService>(scope); parent.Foo = "parent"; parent.First.Foo = "first"; parent.Second.Foo = "second"; //getting same parent instance (cuz of singleton) so, transients in the same parent instances should be same IParentService p1 = await services.Get <IParentService>(scope); Assert.Equal(parent.Foo, p1.Foo); Assert.Equal(parent.First.Foo, p1.First.Foo); Assert.Equal(parent.Second.Foo, p1.Second.Foo); IFirstChildService first = await services.Get <IFirstChildService>(scope); IFirstChildService f2 = await services.Get <IFirstChildService>(); Assert.NotEqual(parent.First.Foo, first.Foo); Assert.NotEqual(parent.First.Foo, f2.Foo); ISecondChildService second = await services.Get <ISecondChildService>(scope); Assert.Equal(parent.Second.Foo, second.Foo); //children in same singleton instance are same IContainerScope scope2 = services.CreateScope(); IParentService p2 = await services.Get <IParentService>(scope2); Assert.Equal(parent.Foo, p2.Foo); Assert.Equal(parent.First.Foo, p2.First.Foo); Assert.Equal(parent.Second.Foo, p2.Second.Foo); }
public void Add4Types_WithValidArgs_Adds4RegisteredTypes() { var container = new ServiceContainer(); container.AddTransient <string>(); container.AddTransient <Stream, MemoryStream>(factory => new MemoryStream()); container.AddTransient <TextReader, StreamReader>(); container.AddSingleton <decimal>(); System.Collections.Generic.IDictionary <Type, Helpers.RegisteredType> settings = container.ExportSettings(); // String Assert.IsTrue(settings.ContainsKey(typeof(string))); Helpers.RegisteredType stringRegisteredType = settings[typeof(string)]; Assert.AreEqual(Lifetime.Transient, stringRegisteredType.Lifetime); Assert.IsFalse(stringRegisteredType.HasCustomConstructor); Assert.AreEqual(typeof(string), stringRegisteredType.ImplementationType); // Stream Assert.IsTrue(settings.ContainsKey(typeof(Stream))); Helpers.RegisteredType streamRegisteredType = settings[typeof(Stream)]; Assert.AreEqual(Lifetime.Transient, streamRegisteredType.Lifetime); Assert.IsTrue(streamRegisteredType.HasCustomConstructor); Assert.IsNull(streamRegisteredType.ImplementationType); Assert.IsNotNull(streamRegisteredType.CustomConstructor); // TextReader Assert.IsTrue(settings.ContainsKey(typeof(TextReader))); Helpers.RegisteredType textReaderRegisteredType = settings[typeof(TextReader)]; Assert.AreEqual(Lifetime.Transient, textReaderRegisteredType.Lifetime); Assert.IsFalse(textReaderRegisteredType.HasCustomConstructor); Assert.AreEqual(typeof(StreamReader), textReaderRegisteredType.ImplementationType); // Decimal Assert.IsTrue(settings.ContainsKey(typeof(decimal))); Helpers.RegisteredType decimalRegisteredType = settings[typeof(decimal)]; Assert.AreEqual(Lifetime.Singleton, decimalRegisteredType.Lifetime); Assert.IsFalse(decimalRegisteredType.HasCustomConstructor); Assert.AreEqual(typeof(decimal), decimalRegisteredType.ImplementationType); }
public void Instanced() { SingleService singleService = new SingleService(); singleService.Foo = "singleton"; ServiceContainer services = new ServiceContainer(); services.AddSingleton <ISingleService, SingleService>(singleService); ISingleService s1 = services.Get <ISingleService>(); Assert.Equal(singleService.Foo, s1.Foo); IContainerScope scope = services.CreateScope(); ISingleService s2 = services.Get <ISingleService>(scope); Assert.Equal(singleService.Foo, s2.Foo); }
public async Task Single() { ServiceContainer services = new ServiceContainer(); services.AddSingleton <ISingleService, SingleService>(); ISingleService singleton = await services.Get <ISingleService>(); singleton.Foo = "singleton"; ISingleService s1 = await services.Get <ISingleService>(); Assert.Equal(singleton.Foo, s1.Foo); IContainerScope scope = services.CreateScope(); ISingleService s2 = await services.Get <ISingleService>(scope); Assert.Equal(singleton.Foo, s2.Foo); }
public static void BuiltInIocTest() { using (IServiceContainer container = new ServiceContainer()) { container.AddSingleton <IConfiguration>(new ConfigurationBuilder() .AddJsonFile("appsettings.json") .Build() ); container.AddScoped <IFly, MonkeyKing>(); container.AddScoped <IFly, Superman>(); container.AddScoped <HasDependencyTest>(); container.AddScoped <HasDependencyTest1>(); container.AddScoped <HasDependencyTest2>(); container.AddScoped <HasDependencyTest3>(); container.AddScoped(typeof(HasDependencyTest4 <>)); container.AddTransient <WuKong>(); container.AddScoped <WuJing>(serviceProvider => new WuJing()); container.AddSingleton(typeof(GenericServiceTest <>)); var rootConfig = container.ResolveService <IConfiguration>(); //try //{ // container.ResolveService<IFly>(); //} //catch (Exception e) //{ // Console.WriteLine(e); //} using (var scope = container.CreateScope()) { var config = scope.ResolveService <IConfiguration>(); var fly1 = scope.ResolveService <IFly>(); var fly2 = scope.ResolveService <IFly>(); var wukong1 = scope.ResolveService <WuKong>(); var wukong2 = scope.ResolveService <WuKong>(); var wuJing1 = scope.ResolveService <WuJing>(); var wuJing2 = scope.ResolveService <WuJing>(); Console.WriteLine("fly1 == fly2, {0}", fly1 == fly2); Console.WriteLine("rootConfig == config, {0}", rootConfig == config); Console.WriteLine("wukong1 == wukong2, {0}", wukong1 == wukong2); Console.WriteLine("wujing1 == wujing2, {0}", wuJing1 == wuJing2); fly1.Fly(); wukong1.Jump(); wukong2.Jump(); wuJing1.Eat(); var s0 = scope.ResolveRequiredService <HasDependencyTest>(); s0.Test(); Console.WriteLine($"s0._fly == fly1 : {s0._fly == fly1}"); var s1 = scope.ResolveService <HasDependencyTest1>(); s1.Test(); var s2 = scope.ResolveService <HasDependencyTest2>(); s2.Test(); var s3 = scope.ResolveService <HasDependencyTest3>(); s3.Test(); var s4 = scope.ResolveService <HasDependencyTest4 <string> >(); s4.Test(); using (var innerScope = scope.CreateScope()) { var config2 = innerScope.ResolveRequiredService <IConfiguration>(); Console.WriteLine("rootConfig == config2, {0}", rootConfig == config2); var fly3 = innerScope.ResolveRequiredService <IFly>(); fly3.Fly(); } var number = config.GetAppSetting <int>("Number"); Console.WriteLine(number); var flySvcs = scope.ResolveServices <IFly>(); foreach (var f in flySvcs) { f.Fly(); } } var genericService1 = container.ResolveRequiredService <GenericServiceTest <int> >(); genericService1.Test(); var genericService2 = container.ResolveRequiredService <GenericServiceTest <string> >(); genericService2.Test(); } }
public void Snapshot() { var services = new ServiceContainer(); var service1 = new Service1(); var service2 = new Service2(); var service3 = new Service3(); var snapshot = services.BuildServiceProvider(); Assert.Empty(services); services.AddSingleton <IService1>(service1); services.AddSingleton <IService2>(service2); Assert.Equal(2, services.Count); Assert.Same(service1, services.GetService <IService1>()); Assert.Same(service2, services.GetService <IService2>()); Assert.Null(services.GetService <IService3>()); Assert.Throws <InvalidOperationException>(() => services.GetRequiredService <IService3>()); // These should all return NULL because the snapshot was // taken before the services were added. Assert.Null(snapshot.GetService <IService1>()); Assert.Null(snapshot.GetService <IService2>()); Assert.Null(snapshot.GetService <IService3>()); // Get a new snapshot and test again. snapshot = services.BuildServiceProvider(); Assert.Same(service1, services.GetService <IService1>()); Assert.Same(service2, services.GetService <IService2>()); Assert.Null(snapshot.GetService <IService3>()); // Make sure that the [ServicesContainer] is still returning // the correct services. Assert.Same(service1, services.GetService <IService1>()); Assert.Same(service2, services.GetService <IService2>()); Assert.Null(services.GetService <IService3>()); Assert.Throws <InvalidOperationException>(() => services.GetRequiredService <IService3>()); // Add a third service and verify the [ServicesContainer]. services.AddSingleton <IService3>(service3); Assert.Equal(3, services.Count); Assert.Same(service1, services.GetService <IService1>()); Assert.Same(service2, services.GetService <IService2>()); Assert.Same(service3, services.GetService <IService3>()); // The new service shouldn't be in the last snapshot. Assert.Null(snapshot.GetService <IService3>()); // Get a new snapshot and verify all three services. snapshot = services.BuildServiceProvider(); Assert.Same(service1, services.GetService <IService1>()); Assert.Same(service2, services.GetService <IService2>()); Assert.Same(service3, services.GetService <IService3>()); }