private IServiceProvider CreateFromBuildWebHost(string[] args)
{
_reporter.WriteVerbose(DesignStrings.FindingBuildWebHost);
var webHostFactoryResult = WebHostFactoryResolver.ResolveWebHostFactory <object, object>(_startupAssembly);
switch (webHostFactoryResult.ResultKind)
{
case FactoryResolutionResultKind.Success:
break;
case FactoryResolutionResultKind.NoEntryPoint:
_reporter.WriteVerbose(DesignStrings.NoEntryPoint(_startupAssembly.GetName().Name));
return(null);
case FactoryResolutionResultKind.NoCreateWebHostBuilder:
case FactoryResolutionResultKind.NoBuildWebHost:
_reporter.WriteVerbose(DesignStrings.NoBuildWebHost(webHostFactoryResult.ProgramType.DisplayName()));
return(null);
default:
Debug.Fail("Unexpected value: " + webHostFactoryResult.ResultKind);
return(null);
}
// TODO: Remove when dotnet/cli#6617 is fixed
var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
if (environment == null)
{
environment = "Development";
Environment.SetEnvironmentVariable("ASPNETCORE_ENVIRONMENT", environment);
}
_reporter.WriteVerbose(DesignStrings.UsingEnvironment(environment));
_reporter.WriteVerbose(DesignStrings.UsingBuildWebHost(webHostFactoryResult.ProgramType.ShortDisplayName()));
try
{
var webHost = webHostFactoryResult.WebHostFactory(args);
var webHostType = webHost.GetType();
var servicesProperty = webHostType.GetTypeInfo().GetDeclaredProperty("Services");
var services = (IServiceProvider)servicesProperty.GetValue(webHost);
return(services.CreateScope().ServiceProvider);
}
catch (Exception ex)
{
if (ex is TargetInvocationException)
{
ex = ex.InnerException;
}
_reporter.WriteVerbose(ex.ToString());
_reporter.WriteWarning(DesignStrings.InvokeBuildWebHostFailed(webHostFactoryResult.ProgramType.ShortDisplayName(), ex.Message));
return(null);
}
}
public void CanFindWebHost_BuildWebHostPattern()
{
// Arrange & Act
var resolverResult = WebHostFactoryResolver.ResolveWebHostFactory(typeof(BuildWebHostPatternTestSite.Startup).Assembly);
// Assert
Assert.Equal(FactoryResolutionResultKind.Success, resolverResult.ResultKind);
Assert.Null(resolverResult.WebHostBuilderFactory);
Assert.NotNull(resolverResult.WebHostFactory);
}
public void CanFindWebHost_CreateWebHostBuilderPattern()
{
// Arrange & Act
var resolverResult = WebHostFactoryResolver.ResolveWebHostFactory(typeof(IStartupInjectionAssemblyName.Startup).Assembly);
// Assert
Assert.Equal(FactoryResolutionResultKind.Success, resolverResult.ResultKind);
Assert.NotNull(resolverResult.WebHostBuilderFactory);
Assert.NotNull(resolverResult.WebHostFactory);
}
public void CanNotFindWebHostBuilder_BuildWebHostPattern()
{
// Arrange & Act
var resolverResult = WebHostFactoryResolver.ResolveWebHostBuilderFactory <IWebHost, IWebHostBuilder>(typeof(BuildWebHostPatternTestSite.Startup).Assembly);
// Assert
Assert.Equal(FactoryResolutionResultKind.NoCreateWebHostBuilder, resolverResult.ResultKind);
Assert.Null(resolverResult.WebHostBuilderFactory);
Assert.Null(resolverResult.WebHostFactory);
}
public void CanNotFindWebHost_BuildWebHostIncorrectSignature()
{
// Arrange & Act
var resolverResult = WebHostFactoryResolver.ResolveWebHostFactory <IWebHost, IWebHostBuilder>(typeof(BuildWebHostInvalidSignature.Startup).Assembly);
// Assert
Assert.Equal(FactoryResolutionResultKind.NoBuildWebHost, resolverResult.ResultKind);
Assert.Null(resolverResult.WebHostBuilderFactory);
Assert.Null(resolverResult.WebHostFactory);
}
public static IWebHostBuilder CreateFromAssemblyEntryPoint(Assembly assembly, string [] args)
{
var result = WebHostFactoryResolver.ResolveWebHostBuilderFactory(assembly);
if (result.ResultKind != FactoryResolutionResultKind.Success)
{
return(null);
}
return(result.WebHostBuilderFactory(args));
}
public void CanFindWebHostBuilder_CreateWebHostBuilderPattern()
{
// Arrange & Act
var resolverResult = WebHostFactoryResolver.ResolveWebHostBuilderFactory <IWebHost, IWebHostBuilder>(typeof(IStartupInjectionAssemblyName.Startup).Assembly);
// Assert
Assert.Equal(FactoryResolutionResultKind.Success, resolverResult.ResultKind);
Assert.NotNull(resolverResult.WebHostBuilderFactory);
Assert.NotNull(resolverResult.WebHostFactory);
Assert.IsAssignableFrom <IWebHostBuilder>(resolverResult.WebHostBuilderFactory(Array.Empty <string>()));
}
