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Update HostFactoryResolver to account for lack of application name with new host pattern #59743

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Update HostFactoryResolver to account for lack of application name with new host pattern #59743

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9 changes: 9 additions & 0 deletions src/libraries/Microsoft.Extensions.HostFactoryResolver/src/HostFactoryResolver.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
Expand Down Expand Up @@ -144,6 +145,14 @@ private static bool IsFactory<TReturn>(MethodInfo? factory)
{
return args =>
{
static bool IsApplicationNameArg(string arg)
=> arg.Equals("--applicationName", StringComparison.OrdinalIgnoreCase) ||
arg.Equals("/applicationName", StringComparison.OrdinalIgnoreCase);

args = args.Any(arg => IsApplicationNameArg(arg)) || assembly.FullName is null
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@eerhardt eerhardt Sep 29, 2021

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When is assembly.FullName null?

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@davidfowl davidfowl Sep 29, 2021

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When you're writing unit tests 😄

? args
: args.Concat(new[] { "--applicationName", assembly.FullName }).ToArray();

var host = hostFactory(args);
return GetServiceProvider(host);
};
Expand Down