Тесты резолва именованных зависимостей через ServiceProvider

Tests/NewPlatform.Flexberry.ORM.ODataService.Tests/DependencyInjection/UnityTest.cs

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+namespace NewPlatform.Flexberry.ORM.ODataService.Tests.DependencyInjection
+{
+    using ICSSoft.Services;
+    using ICSSoft.STORMNET.Security;
+
+    using Microsoft.Extensions.DependencyInjection;
+
+    using Unity;
+
+    using Xunit;
+
+    /// <summary>
+    /// Unity dependecy injection tests.
+    /// </summary>
+    public class UnityTest : BaseODataServiceIntegratedTest
+    {
+#if NETCOREAPP
+        /// <summary>
+        /// Default constructor.
+        /// </summary>
+        /// <param name="factory">Custom web application factory for tests.</param>
+        /// <param name="output">Debug output.</param>
+        public UnityTest(CustomWebApplicationFactory<ODataServiceSample.AspNetCore.Startup> factory, Xunit.Abstractions.ITestOutputHelper output)
+            : base(factory, output)
+        {
+        }
+#endif
+#if NETCOREAPP
+        /// <summary>
+        /// Resolving a named dependency through extension method of IServiceProvider from ICSSoft.Services.
+        /// </summary>
+        [Fact]
+        public void NamedDependencyResolveTest()
+        {
+            // Arrange
+            var serviceProvider = _factory.Services;
+            var unityContainer = serviceProvider.GetService<IUnityContainer>();
+            var securityManager = new EmptySecurityManager();
+
+            // Act
+            unityContainer.RegisterInstance<ISecurityManager>("named dependency", securityManager);
+
+            // Assert
+            var service = serviceProvider.GetService<ISecurityManager>("named dependency");
+            Assert.Equal(securityManager, service);
+        }
+
+        /// <summary>
+        /// Resolving non registered named dependency through extension method of IServiceProvider from ICSSoft.Services.
+        /// </summary>
+        [Fact]
+        public void NamedDependencyNotRegisteredResolveTest()
+        {
+            // Arrange
+            var serviceProvider = _factory.Services;
+            var unityContainer = serviceProvider.GetService<IUnityContainer>();
+
+            // Act
+            // - none -
+
+            // Assert
+            Assert.Throws<ResolutionFailedException>(() => serviceProvider.GetService<ISecurityManager>("non-existing"));
+        }
+
+        /// <summary>
+        /// Resolving regular (typed) dependency.
+        /// We check that our extension method does not break regular resolving.
+        /// </summary>
+        [Fact]
+        public void TypeDependencyResolveTest()
+        {
+            // Arrange
+            var serviceProvider = _factory.Services;
+            var unityContainer = serviceProvider.GetService<IUnityContainer>();
+            var securityManager = new EmptySecurityManager();
+
+            // Act
+            unityContainer.RegisterInstance<ISecurityManager>(securityManager);
+
+            // Assert
+            var service = serviceProvider.GetService<ISecurityManager>();
+            Assert.Equal(securityManager, service);
+        }
+
+        /// <summary>
+        /// Registered dependencies are successfully injected into the constructor of a resolved class.
+        /// We check that our extension method does not break regular resolving.
+        /// </summary>
+        [Fact]
+        public void TypeDependencyConstructorInjectionTest()
+        {
+            // Arrange
+            var serviceProvider = _factory.Services;
+            var unityContainer = serviceProvider.GetService<IUnityContainer>();
+            var securityManager = new EmptySecurityManager();
+
+            // Act
+            unityContainer.RegisterInstance<ISecurityManager>(securityManager);
+            unityContainer.RegisterSingleton<ConstructorInjectionTestObject>();
+
+            // Assert
+            var service = serviceProvider.GetService<ConstructorInjectionTestObject>();
+            Assert.Equal(securityManager, service.SecurityManager);
+        }
+#endif
+
+        /// <summary>
+        /// For testing that registered dependencies are succesfully injected into a constructor of a resolved class.
+        /// </summary>
+        internal class ConstructorInjectionTestObject
+        {
+            /// <summary>
+            /// Injected dependency.
+            /// </summary>
+            internal ISecurityManager SecurityManager { get; set; }
+
+            /// <summary>
+            /// A constructor with injected dependency.
+            /// </summary>
+            /// <param name="securityManager">Injected dependency.</param>
+            internal ConstructorInjectionTestObject(ISecurityManager securityManager)
+            {
+                this.SecurityManager = securityManager;
+            }
+        }
+    }
+}