Make AbpApplication disposable.

src/AbpDesk/AbpDesk.ConsoleDemo/AbpDesk/ConsoleDemo/Program.cs

@@ -25,22 +25,23 @@ namespace AbpDesk.ConsoleDemo
         {
             var services = new ServiceCollection();
 
-            var application = services.AddApplication<AbpDeskConsoleDemoModule>(options =>
+            using (var application = services.AddApplication<AbpDeskConsoleDemoModule>(options =>
             {
                 options.UseAutofac();
                 AddPlugIns(options);
-            });
-            
-            using (var scope = services.BuildServiceProviderFromFactory().CreateScope())
+            }))
             {
-                application.Initialize(scope.ServiceProvider);
+                using (var scope = services.BuildServiceProviderFromFactory().CreateScope())
+                {
+                    application.Initialize(scope.ServiceProvider);
 
-                RunListers(application);
+                    RunListers(application);
 
-                Console.WriteLine("Press ENTER to exit...");
-                Console.ReadLine();
+                    Console.WriteLine("Press ENTER to exit...");
+                    Console.ReadLine();
 
-                application.Shutdown();
+                    application.Shutdown();
+                }
             }
         }
 

src/Volo.Abp.TestBase/AbpIntegratedTest.cs

@@ -11,7 +11,7 @@ namespace Volo.Abp.TestBase
 
         protected IServiceProvider ServiceProvider => Application.ServiceProvider;
 
-        protected IServiceScope MainServiceScope { get; private set; }
+        protected IServiceScope MainServiceScope { get; }
 
         public AbpIntegratedTest()
         {
@@ -59,6 +59,7 @@ namespace Volo.Abp.TestBase
         {
             Application.Shutdown();
             MainServiceScope.Dispose();
+            Application.Dispose();
         }
     }
 }

src/Volo.Abp/Volo/Abp/AbpApplicationBase.cs

@@ -46,11 +46,16 @@ namespace Volo.Abp
                 );
         }
 
-        public void Shutdown() //TODO: Why not disposable?
+        public virtual void Shutdown()
         {
             ServiceProvider
                 .GetRequiredService<IModuleManager>()
                 .ShutdownModules(new ApplicationShutdownContext());
         }
+
+        public virtual void Dispose()
+        {
+
+        }
     }
 }

src/Volo.Abp/Volo/Abp/AbpApplicationWithExternalServiceProvider.cs

@@ -27,7 +27,7 @@ namespace Volo.Abp
 
             ServiceProvider
                 .GetRequiredService<IModuleManager>()
-                .InitializeModules(new ApplicationInitializationContext(serviceProvider));
+                .InitializeModules(new ApplicationInitializationContext(ServiceProvider));
         }
     }
 }

src/Volo.Abp/Volo/Abp/AbpApplicationWithInternalServiceProvider.cs

@@ -0,0 +1,51 @@
+using System;
+using JetBrains.Annotations;
+using Microsoft.Extensions.DependencyInjection;
+using Volo.Abp.Modularity;
+
+namespace Volo.Abp
+{
+    internal class AbpApplicationWithInternalServiceProvider : AbpApplicationBase, IAbpApplicationWithInternalServiceProvider
+    {
+        public IServiceScope ServiceScope { get; }
+
+        public AbpApplicationWithInternalServiceProvider(
+            [NotNull] Type startupModuleType,
+            [CanBeNull] Action<AbpApplicationCreationOptions> optionsAction
+            ) : this(
+            startupModuleType,
+            new ServiceCollection(),
+            optionsAction)
+        {
+
+        }
+
+        private AbpApplicationWithInternalServiceProvider(
+            [NotNull] Type startupModuleType, 
+            [NotNull] IServiceCollection services, 
+            [CanBeNull] Action<AbpApplicationCreationOptions> optionsAction
+            ) : base(
+                startupModuleType, 
+                services, 
+                optionsAction)
+        {
+            services.AddSingleton<IAbpApplicationWithInternalServiceProvider>(_ => this);
+
+            ServiceScope = services.BuildServiceProviderFromFactory().CreateScope();
+            ServiceProvider = ServiceScope.ServiceProvider;
+        }
+
+        public void Initialize()
+        {
+            ServiceProvider
+                .GetRequiredService<IModuleManager>()
+                .InitializeModules(new ApplicationInitializationContext(ServiceProvider));
+        }
+
+        public override void Dispose()
+        {
+            base.Dispose();
+            ServiceScope.Dispose();
+        }
+    }
+}

src/Volo.Abp/Volo/Abp/IAbpApplication.cs

@@ -3,7 +3,7 @@ using Volo.Abp.Modularity;
 
 namespace Volo.Abp
 {
-    public interface IAbpApplication
+    public interface IAbpApplication : IDisposable
     {
         Type StartupModuleType { get; }
 

test/Volo.Abp.Tests/Volo/Abp/AbpApplication_Initialize_Tests.cs

@@ -13,28 +13,29 @@ namespace Volo.Abp
         {
             //Arrange
             var services = new ServiceCollection();
-            var application = services.AddApplication<IndependentEmptyModule>();
-            
-            //Assert
-            var module = services.GetSingletonInstance<IndependentEmptyModule>();
-            module.PreConfigureServicesIsCalled.ShouldBeTrue();
-            module.ConfigureServicesIsCalled.ShouldBeTrue();
-            module.PostConfigureServicesIsCalled.ShouldBeTrue();
-
-            using (var scope = services.BuildServiceProvider().CreateScope())
+            using (var application = services.AddApplication<IndependentEmptyModule>())
             {
-                //Act
-                application.Initialize(scope.ServiceProvider);
-                
                 //Assert
-                application.ServiceProvider.GetRequiredService<IndependentEmptyModule>().ShouldBeSameAs(module);
-                module.OnApplicationInitializeIsCalled.ShouldBeTrue();
+                var module = services.GetSingletonInstance<IndependentEmptyModule>();
+                module.PreConfigureServicesIsCalled.ShouldBeTrue();
+                module.ConfigureServicesIsCalled.ShouldBeTrue();
+                module.PostConfigureServicesIsCalled.ShouldBeTrue();
 
-                //Act
-                application.Shutdown();
+                using (var scope = services.BuildServiceProvider().CreateScope())
+                {
+                    //Act
+                    application.Initialize(scope.ServiceProvider);
 
-                //Assert
-                module.OnApplicationShutdownIsCalled.ShouldBeTrue();
+                    //Assert
+                    application.ServiceProvider.GetRequiredService<IndependentEmptyModule>().ShouldBeSameAs(module);
+                    module.OnApplicationInitializeIsCalled.ShouldBeTrue();
+
+                    //Act
+                    application.Shutdown();
+
+                    //Assert
+                    module.OnApplicationShutdownIsCalled.ShouldBeTrue();
+                }
             }
         }
 
@@ -45,29 +46,30 @@ namespace Volo.Abp
             var services = new ServiceCollection();
 
             //Act
-            var application = services.AddApplication<IndependentEmptyModule>(options =>
+            using (var application = services.AddApplication<IndependentEmptyModule>(options =>
             {
                 options.PlugInSources.AddTypes(typeof(IndependentEmptyPlugInModule));
-            });
-
-            //Assert
-            var plugInModule = services.GetSingletonInstance<IndependentEmptyPlugInModule>();
-            plugInModule.PreConfigureServicesIsCalled.ShouldBeTrue();
-            plugInModule.ConfigureServicesIsCalled.ShouldBeTrue();
-            plugInModule.PostConfigureServicesIsCalled.ShouldBeTrue();
+            }))
+            {
+                //Assert
+                var plugInModule = services.GetSingletonInstance<IndependentEmptyPlugInModule>();
+                plugInModule.PreConfigureServicesIsCalled.ShouldBeTrue();
+                plugInModule.ConfigureServicesIsCalled.ShouldBeTrue();
+                plugInModule.PostConfigureServicesIsCalled.ShouldBeTrue();
 
-            //Act
-            application.Initialize(services.BuildServiceProvider());
+                //Act
+                application.Initialize(services.BuildServiceProvider());
 
-            //Assert
-            application.ServiceProvider.GetRequiredService<IndependentEmptyPlugInModule>().ShouldBeSameAs(plugInModule);
-            plugInModule.OnApplicationInitializeIsCalled.ShouldBeTrue();
+                //Assert
+                application.ServiceProvider.GetRequiredService<IndependentEmptyPlugInModule>().ShouldBeSameAs(plugInModule);
+                plugInModule.OnApplicationInitializeIsCalled.ShouldBeTrue();
 
-            //Act
-            application.Shutdown();
+                //Act
+                application.Shutdown();
 
-            //Assert
-            plugInModule.OnApplicationShutdownIsCalled.ShouldBeTrue();
+                //Assert
+                plugInModule.OnApplicationShutdownIsCalled.ShouldBeTrue();
+            }
         }
     }
 }