using ErrorOr;
using Musify.Application.Tests.TestSupport;
using Musify.Application.Users;
using Xunit;

namespace Musify.Application.Tests.Users;

public sealed class GetUserByIdQueryHandlerTests : HandlerTestBase
{
    private GetUserByIdQueryHandler CreateHandler() => new(Database);

    [Fact]
    public async Task Handle_ExistingUser_ReturnsIt()
    {
        var user = TestEntities.User(1, "Jane Doe");
        await SeedAsync(user);

        var result = await CreateHandler().Handle(new GetUserByIdQuery(1), TestContext.Current.CancellationToken);

        Assert.False(result.IsError);
        Assert.Equal("Jane Doe", result.Value.Name);
    }

    [Fact]
    public async Task Handle_UserMissing_ReturnsNotFound()
    {
        var result = await CreateHandler().Handle(new GetUserByIdQuery(404), TestContext.Current.CancellationToken);

        Assert.Equal(ErrorType.NotFound, result.FirstError.Type);
    }
}