Test changes to make sure applicationName is set when using new templ…

…ate pattern

EF-side tests for dotnet/runtime#59743

These will fail until the new source package for HostFactoryResolver is available. I have tested locally that they work once this is done.

test/EFCore.AspNet.InMemory.FunctionalTests/AppServiceProviderFactoryTest.cs

@@ -0,0 +1,204 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Reflection;
+using Microsoft.EntityFrameworkCore.Design.Internal;
+using Microsoft.EntityFrameworkCore.Internal;
+using Microsoft.EntityFrameworkCore.TestUtilities;
+using Microsoft.Extensions.DependencyInjection;
+using Xunit;
+
+namespace Microsoft.EntityFrameworkCore
+{
+    public class AppServiceProviderFactoryTest
+    {
+        [ConditionalFact]
+        public void Create_services_from_template_method()
+        {
+            TestCreateServices(typeof(ProgramWithBuildWebHost));
+            TestCreateServices(typeof(ProgramWithCreateWebHostBuilder));
+            TestCreateServices(typeof(ProgramWithCreateHostBuilder));
+        }
+
+        private static void TestCreateServices(Type programType)
+        {
+            var factory = new TestAppServiceProviderFactory(
+                MockAssembly.Create(programType));
+
+            Environment.SetEnvironmentVariable("ASPNETCORE_ENVIRONMENT", null);
+            Environment.SetEnvironmentVariable("DOTNET_ENVIRONMENT", null);
+            var services = factory.Create(new[] { "arg1" });
+
+            Assert.NotNull(services.GetRequiredService<TestService>());
+        }
+
+        private class ProgramWithBuildWebHost
+        {
+            public static TestWebHost BuildWebHost(string[] args)
+            {
+                ValidateEnvironmentAndArgs(args);
+
+                return new TestWebHost(BuildTestServiceProvider());
+            }
+        }
+
+        private class ProgramWithCreateWebHostBuilder
+        {
+            public static TestWebHostBuilder CreateWebHostBuilder(string[] args)
+            {
+                ValidateEnvironmentAndArgs(args);
+
+                return new TestWebHostBuilder(BuildTestServiceProvider());
+            }
+        }
+
+        private class ProgramWithCreateHostBuilder
+        {
+            public static TestWebHostBuilder CreateHostBuilder(string[] args)
+            {
+                ValidateEnvironmentAndArgs(args);
+
+                return new TestWebHostBuilder(BuildTestServiceProvider());
+            }
+        }
+
+        [ConditionalFact]
+        public void Create_with_no_builder_method()
+        {
+            var factory = new TestAppServiceProviderFactory(
+                MockAssembly.Create(
+                    new[] { typeof(ProgramWithNoHostBuilder) }, 
+                    new MockMethodInfo(typeof(ProgramWithNoHostBuilder), InjectHostIntoDiagnostics)));
+
+            Environment.SetEnvironmentVariable("ASPNETCORE_ENVIRONMENT", null);
+            Environment.SetEnvironmentVariable("DOTNET_ENVIRONMENT", null);
+            var services = factory.Create(new[] { "arg1" });
+
+            Assert.NotNull(services.GetRequiredService<TestService>());
+        }
+
+        private static void InjectHostIntoDiagnostics(object[] args)
+        {
+            Assert.Equal("Development", Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT"));
+            Assert.Equal("Development", Environment.GetEnvironmentVariable("DOTNET_ENVIRONMENT"));
+            Assert.Single(args);
+            Assert.Equal((string[])args[0], new[] { "arg1", "--applicationName", "MockAssembly" });
+
+            using var diagnosticListener = new DiagnosticListener("Microsoft.Extensions.Hosting");
+
+            diagnosticListener.Write(
+                "HostBuilt", 
+                new TestWebHost(BuildTestServiceProvider()));
+        }
+
+        private class ProgramWithNoHostBuilder
+        {
+        }
+
+        private static void ValidateEnvironmentAndArgs(string[] args)
+        {
+            Assert.Equal("Development", Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT"));
+            Assert.Equal("Development", Environment.GetEnvironmentVariable("DOTNET_ENVIRONMENT"));
+            Assert.Equal(args, new[] { "arg1" });
+        }
+
+        private static ServiceProvider BuildTestServiceProvider()
+            => new ServiceCollection()
+                .AddScoped<TestService>()
+                .BuildServiceProvider(validateScopes: true);
+
+        private class TestService
+        {
+        }
+
+        [ConditionalFact]
+        public void Create_works_when_no_BuildWebHost()
+        {
+            var factory = new TestAppServiceProviderFactory(
+                MockAssembly.Create(typeof(ProgramWithoutBuildWebHost)));
+
+            var services = factory.Create(Array.Empty<string>());
+
+            Assert.NotNull(services);
+        }
+
+        private class ProgramWithoutBuildWebHost
+        {
+        }
+
+        [ConditionalFact]
+        public void Create_works_when_BuildWebHost_throws()
+        {
+            var reporter = new TestOperationReporter();
+            var factory = new TestAppServiceProviderFactory(
+                MockAssembly.Create(typeof(ProgramWithThrowingBuildWebHost)),
+                reporter);
+
+            var services = factory.Create(Array.Empty<string>());
+
+            Assert.NotNull(services);
+            Assert.Contains(
+                "warn: " + DesignStrings.InvokeCreateHostBuilderFailed("This is a test."),
+                reporter.Messages);
+        }
+
+        private static class ProgramWithThrowingBuildWebHost
+        {
+            public static TestWebHost BuildWebHost(string[] args)
+                => throw new Exception("This is a test.");
+        }
+    }
+
+    public class TestAppServiceProviderFactory : AppServiceProviderFactory
+    {
+        public TestAppServiceProviderFactory(Assembly startupAssembly, IOperationReporter reporter = null)
+            : base(startupAssembly, reporter ?? new TestOperationReporter())
+        {
+        }
+    }
+
+    public class TestWebHost
+    {
+        public TestWebHost(IServiceProvider services)
+            => Services = services;
+
+        public IServiceProvider Services { get; }
+    }
+
+    public class TestWebHostBuilder
+    {
+        public TestWebHostBuilder(IServiceProvider services)
+            => Services = services;
+
+        public IServiceProvider Services { get; }
+
+        public TestWebHost Build()
+            => new TestWebHost(Services);
+    }
+
+    public class TestOperationReporter : IOperationReporter
+    {
+        private readonly List<string> _messages = new();
+
+        public IReadOnlyList<string> Messages
+            => _messages;
+
+        public void Clear()
+            => _messages.Clear();
+
+        public void WriteInformation(string message)
+            => _messages.Add("info: " + message);
+
+        public void WriteVerbose(string message)
+            => _messages.Add("verbose: " + message);
+
+        public void WriteWarning(string message)
+            => _messages.Add("warn: " + message);
+
+        public void WriteError(string message)
+            => _messages.Add("error: " + message);
+    }
+}

test/EFCore.AspNet.Specification.Tests/EFCore.AspNet.Specification.Tests.csproj

@@ -16,6 +16,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\src\EFCore.Relational\EFCore.Relational.csproj" />
+    <ProjectReference Include="..\EFCore.Relational.Tests\EFCore.Relational.Tests.csproj" />
     <ProjectReference Include="..\EFCore.Specification.Tests\EFCore.Specification.Tests.csproj" />
     <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="5.0.1" />
     <PackageReference Include="IdentityServer4.EntityFramework" Version="4.1.1" />

test/EFCore.Design.Tests/TestUtilities/TestWebHostBuilder.cs

@@ -0,0 +1,18 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+
+namespace Microsoft.EntityFrameworkCore.TestUtilities
+{
+    public class TestWebHostBuilder
+    {
+        public TestWebHostBuilder(IServiceProvider services)
+            => Services = services;
+
+        public IServiceProvider Services { get; }
+
+        public TestWebHost Build()
+            => new(Services);
+    }
+}

test/EFCore.Tests/TestUtilities/MockAssembly.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Globalization;
 using System.Linq;
 using System.Reflection;
 
@@ -34,50 +33,7 @@ public MockAssembly(IEnumerable<TypeInfo> definedTypes, MethodInfo entryPoint)
         public override AssemblyName GetName()
             => new(nameof(MockAssembly));
 
-        private class MockMethodInfo : MethodInfo
-        {
-            public MockMethodInfo(Type declaringType)
-            {
-                DeclaringType = declaringType;
-            }
-
-            public override Type DeclaringType { get; }
-
-            public override ICustomAttributeProvider ReturnTypeCustomAttributes
-                => throw new NotImplementedException();
-
-            public override RuntimeMethodHandle MethodHandle
-                => throw new NotImplementedException();
-
-            public override MethodAttributes Attributes
-                => throw new NotImplementedException();
-
-            public override string Name
-                => throw new NotImplementedException();
-
-            public override Type ReflectedType
-                => throw new NotImplementedException();
-
-            public override MethodInfo GetBaseDefinition()
-                => throw new NotImplementedException();
-
-            public override object[] GetCustomAttributes(bool inherit)
-                => throw new NotImplementedException();
-
-            public override object[] GetCustomAttributes(Type attributeType, bool inherit)
-                => throw new NotImplementedException();
-
-            public override MethodImplAttributes GetMethodImplementationFlags()
-                => throw new NotImplementedException();
-
-            public override ParameterInfo[] GetParameters()
-                => throw new NotImplementedException();
-
-            public override object Invoke(object obj, BindingFlags invokeAttr, Binder binder, object[] parameters, CultureInfo culture)
-                => throw new NotImplementedException();
-
-            public override bool IsDefined(Type attributeType, bool inherit)
-                => throw new NotImplementedException();
-        }
+        public override string FullName
+            => nameof(MockAssembly);
     }
 }