Dotnet-WebAPI/StubContext/StubAppContext.cs

using AppContext.Entities;
using Microsoft.EntityFrameworkCore;

namespace StubContext;

using AppContext;

public class StubAppContext(DbContextOptions<AppContext> options) : AppContext(options)
{
    public StubAppContext() : this(
        new DbContextOptionsBuilder<AppContext>()
            .UseSqlite("DataSource=database.db")
            .Options
    )
    {
    }

    protected override void OnModelCreating(ModelBuilder builder)
    {
        base.OnModelCreating(builder);

        var users = new[] { "maxime", "mael", "yanis", "simon", "vivien" }.ToList();
        var i = 0;

        builder.Entity<UserEntity>()
            .HasData(users.ConvertAll(name => new UserEntity
            {
                Id = ++i,
                Email = $"{name}@mail.com",
                Name = name,
                Password = "123456",
                IsAdmin = true,
                ProfilePicture =
                    "https://cdn.pixabay.com/photo/2015/10/05/22/37/blank-profile-picture-973460_960_720.png",
            }));

        builder.Entity<MemberEntity>()
            .HasKey("TeamId", "UserId");
    }
}