// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.CodeAnalysis;
 
namespace Microsoft.AspNetCore.OpenApi.SourceGenerators.Tests;
 
[UsesVerify]
public class AddOpenApiTests
{
    [Fact]
    public async Task CanInterceptAddOpenApi()
    {
        var source = """
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.DependencyInjection;
 
var builder = WebApplication.CreateBuilder();
 
// No parameters
builder.Services.AddOpenApi();
// Name parameter
builder.Services.AddOpenApi("v2");
var documentName = "v4";
builder.Services.AddOpenApi(documentName); // Should not be intercepted
// Configure options parameter
builder.Services.AddOpenApi(options =>
{
    options.OpenApiVersion = Microsoft.OpenApi.OpenApiSpecVersion.OpenApi2_0;
});
// Name and configure options parameters
builder.Services.AddOpenApi("v2", options =>
{
    options.OpenApiVersion = Microsoft.OpenApi.OpenApiSpecVersion.OpenApi2_0;
});
// Another name and configure options invocation that should be covered
// by the same interceptor method as the previous one
builder.Services.AddOpenApi("v3", options =>
{
    options.OpenApiVersion = Microsoft.OpenApi.OpenApiSpecVersion.OpenApi3_0;
});
 
var app = builder.Build();
 
app.MapPost("", () => "Hello world!");
 
app.Run();
""";
 
        var generator = new XmlCommentGenerator();
        await SnapshotTestHelper.Verify(source, generator, out var compilation);
        Assert.Empty(compilation.GetDiagnostics().Where(d => d.Severity > DiagnosticSeverity.Warning));
    }
}