ConfigurationAnalyzerTestsCSharp8.cs

namespace NServiceBus.AzureFunctions.InProcess.Analyzer.Tests;

using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp;
using NUnit.Framework;
using static AzureFunctionsDiagnostics;

[TestFixture]
public class ConfigurationAnalyzerTestsCSharp8 : AnalyzerTestFixture<ConfigurationAnalyzer>
{
    // HINT: In C# 7 this call is ambiguous with the LearningTransport version as the compiler cannot differentiate method calls via generic type constraints
    [TestCase("UseTransport<AzureServiceBusTransport>(null)", UseTransportNotAllowedId)]
    public Task DiagnosticIsReportedForEndpointConfiguration(string configuration, string diagnosticId)
    {
        var source =
            $@"using NServiceBus;
using System;
using System.Threading.Tasks;
class Foo
{{
    void Bar(ServiceBusTriggeredEndpointConfiguration endpointConfig)
    {{
        [|endpointConfig.AdvancedConfiguration.{configuration}|];

        var advancedConfig = endpointConfig.AdvancedConfiguration;
        [|advancedConfig.{configuration}|];
    }}
}}";

        return Assert(diagnosticId, source);
    }
    protected override LanguageVersion AnalyzerLanguageVersion => LanguageVersion.CSharp8;
}