// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.Extensions.Hosting;
using Xunit;
 
namespace Aspire.NATS.Net.Tests;
 
public class NatsClientPublicApiTests
{
    [Fact]
    public void AddNatsClientShouldThrowWhenBuilderIsNull()
    {
        IHostApplicationBuilder builder = null!;
 
        var connectionName = "Nats";
 
        var action = () => builder.AddNatsClient(connectionName);
 
        var exception = Assert.Throws<ArgumentNullException>(action);
        Assert.Equal(nameof(builder), exception.ParamName);
    }
 
    [Fact]
    public void AddNatsClientShouldThrowWhenConnectionNameIsNull()
    {
        var builder = Host.CreateEmptyApplicationBuilder(null);
 
        string connectionName = null!;
 
        var action = () => builder.AddNatsClient(connectionName);
 
        var exception = Assert.Throws<ArgumentNullException>(action);
        Assert.Equal(nameof(connectionName), exception.ParamName);
    }
 
    [Fact]
    public void AddNatsClientShouldThrowWhenConnectionNameIsEmpty()
    {
        var builder = Host.CreateEmptyApplicationBuilder(null);
 
        var connectionName = "";
 
        var action = () => builder.AddNatsClient(connectionName);
 
        var exception = Assert.Throws<ArgumentException>(action);
        Assert.Equal(nameof(connectionName), exception.ParamName);
    }
 
    [Fact]
    public void AddKeyedNatsClientShouldThrowWhenBuilderIsNull()
    {
        IHostApplicationBuilder builder = null!;
 
        var connectionName = "Nats";
 
        var action = () => builder.AddKeyedNatsClient(connectionName);
 
        var exception = Assert.Throws<ArgumentNullException>(action);
        Assert.Equal(nameof(builder), exception.ParamName);
    }
 
    [Fact]
    public void AddKeyedNatsClientShouldThrowWhenNameIsNull()
    {
        var builder = Host.CreateEmptyApplicationBuilder(null);
 
        string name = null!;
 
        var action = () => builder.AddKeyedNatsClient(name);
 
        var exception = Assert.Throws<ArgumentNullException>(action);
        Assert.Equal(nameof(name), exception.ParamName);
    }
 
    [Fact]
    public void AddKeyedNatsClientShouldThrowWhenNameIsEmpty()
    {
        var builder = Host.CreateEmptyApplicationBuilder(null);
 
        var name = "";
 
        var action = () => builder.AddKeyedNatsClient(name);
 
        var exception = Assert.Throws<ArgumentException>(action);
        Assert.Equal(nameof(name), exception.ParamName);
    }
 
    [Fact]
    public void AddNatsJetStreamShouldThrowWhenBuilderIsNull()
    {
        IHostApplicationBuilder builder = null!;
 
        var action = builder.AddNatsJetStream;
 
        var exception = Assert.Throws<ArgumentNullException>(action);
        Assert.Equal(nameof(builder), exception.ParamName);
    }
}