public async Task TestAddTeacher()
{
DbContextOptions <ApplicationDbContext> options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "TestAddTeachersDb").Options;
using var dbContext = new ApplicationDbContext(options);
dbContext.Database.EnsureDeleted();
using var repository = new EfDeletableEntityRepository <Teacher>(dbContext);
var service = new UsersService(repository, null, null);
dbContext.Teachers.Add(new Teacher()
{
Id = 1, ApplicationUserId = "one"
});
dbContext.Teachers.Add(new Teacher()
{
Id = 2, ApplicationUserId = "two"
});
dbContext.Teachers.Add(new Teacher()
{
Id = 3, ApplicationUserId = "three"
});
await dbContext.SaveChangesAsync();
await service.AddTeacher(new ApplicationUser()
{
Id = "newUser"
});
Assert.Equal(4, dbContext.Teachers.Count());
}