You can save this file and run it in a rails runner like so: 'bundle exec rails runner seed.rb'. Or you can simply copy/paste into a rails console.

seed.rb

require 'spec/factories/course_factory'
require 'spec/factories/user_factory'
include Factories

# Create, register, and enroll teacher
course_with_teacher(
  active_course: 1,
  active_enrollment: 1,
  course_name: 'E2E Course',
  name: 'Teacher 1'
)
@user.pseudonyms.create!(
  unique_id: 'teacher1@example.com',
  password: 'password',
  password_confirmation: 'password'
)
@user.email = 'teacher1@example.com'
@user.accept_terms
@user.register!

# Create and enroll 5 students
5.times do |i|
  index = i + 1
  course_with_student(
    active_all: 1,
    course: @course,
    name: "Student #{index}"
  )
  email = "student#{index}@example.com"
  @user.pseudonyms.create!(
    unique_id: email,
    password: 'password',
    password_confirmation: 'password'
  )
  @user.email = email
  @user.accept_terms
end