TestExtensions_Should.cs

using System;
using Autofac;
using NSubstitute;
using Xunit;

namespace FluentAssertions.Autofac;

// ReSharper disable InconsistentNaming
public class TestExtensions_Should
{
    [Fact]
    public void Provide_builder()
    {
        var module = new SampleModule();

        var builder = module.BuilderFor();
        builder.Should().ShouldBeOfType<BuilderAssertions>();

        builder.RegisterInstance(Substitute.For<IComparable>());
        builder.RegisterInstance(Substitute.For<IConvertible>());
        builder.RegisterInstance(Substitute.For<ICustomFormatter>());

        var container = builder.Build();

        container.Resolve<IDisposable>().Should().NotBeNull();
        container.Resolve<IComparable>().Should().NotBeNull();
        container.Resolve<IConvertible>().Should().NotBeNull();
        container.Resolve<ICustomFormatter>().Should().NotBeNull();
    }

    [Fact]
    public void Provide_generic_module_builder()
    {
        var builder = Module<SampleModule>.GetTestBuilder(b =>
        {
            // register module dependency substitutes here!
            b.RegisterInstance(Substitute.For<IComparable>());
        });
        builder.Should().RegisterModule<SampleModule>();

        var container = builder.Build();

        container.Resolve<IDisposable>().Should().NotBeNull();
        container.Resolve<IComparable>().Should().NotBeNull();
    }

    [Fact]
    public void Provide_container()
    {
        var module = new SampleModule();

        var container = module.Container(builder =>
        {
            builder.RegisterInstance(Substitute.For<IConvertible>());
            builder.RegisterInstance(Substitute.For<ICustomFormatter>());
        });

        container.Resolve<IDisposable>().Should().NotBeNull();
        container.Resolve<IConvertible>().Should().NotBeNull();
        container.Resolve<ICustomFormatter>().Should().NotBeNull();
    }

    private class SampleModule : Module
    {
        protected override void Load(ContainerBuilder builder)
        {
            builder.RegisterInstance(Substitute.For<IDisposable>());
        }
    }
}