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using Microsoft.VisualStudio.TestTools.UnitTesting; using Microsoft.Practices.Unity; using ResolvingWithPolicyInjection.DemoClasses; namespace ResolvingWithPolicyInjection.Tests { [TestClass] public class UnityContainerExtensionMethodsTest { [TestMethod] public void should_resolve_ITestInterface_to_policy_enabled_TestConcreteImplementation_explicit() { // Arrange var container = new UnityContainer(); container.RegisterType<ITestInterface, TestConcreteImplementation>(); // Act var resolvedWithPolicyInjection = container.ResolveWithPolicyInjection<ITestInterface>(); // Assert Assert.IsNotNull(resolvedWithPolicyInjection); Assert.AreEqual("TEST", resolvedWithPolicyInjection.ReturnTest()); } [TestMethod] public void should_resolve_ITestInterface_to_policy_enabled_TestConcreteImplementation_implicitly() { // Arrange var container = new UnityContainer(); // Act container.RegisterTypeWithPolicyInjection<ITestInterface, TestConcreteImplementation>(); // Resolved the dependent class - which should do the resolving of ITestInterface to TestConcreteImplementation var resolved = container.Resolve<DependentConcreteImplementation>(); // Assert Assert.IsNotNull(resolved); Assert.AreEqual("TEST", resolved.KörBeroende()); } } } namespace ResolvingWithPolicyInjection.DemoClasses { /// <summary> /// This class is dependent of ITestInterface /// </summary> public class DependentConcreteImplementation { private readonly ITestInterface _beroende; /// <summary> /// Constructor dependency - ITestInterface that will be resolved by Unity /// </summary> public DependentConcreteImplementation([Dependency]ITestInterface dependency) { _beroende = dependency; } public string KörBeroende() { return _beroende.ReturnTest(); } } public interface ITestInterface { string ReturnTest(); } /// <summary> /// This class implements ITestInterface /// </summary> public class TestConcreteImplementation : ITestInterface { public string ReturnTest() { return "TEST"; } } }

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