orbit4-5/test/models/user_test.rb

#this is a class to test the signup
require 'test_helper'
require 'minitest/autorun'

class UserTest < ActiveSupport::TestCase
  def valid_params
  	  { user_name: "johndoe", email: "john@example.com", password: "password123", password_confirmation: "password123" }
  end

  let(:user) { User.new valid_params }

  it "should fail when password and password confirmation do not match" do
    def user.password_confirmation
      "password456"
    end
    user.wont_be :valid?
  end

  it "should not pass when email not supplied" do
  	def user.email
  		nil
  	end
  	user.wont_be :valid?
  	user.errors[:email].must_be :present?
  end

  it "should not pass when user_name not supplied" do
  	def user.user_name
  		nil
  	end
  	user.wont_be :valid?
  	user.errors[:user_name].must_be :present?
  end

  it "should pass when password and password confirmation are same" do
  	assert user.must_be :valid?, "Can't create with valid params: #{user.errors.messages}"
  end

  it "should check the email format" do
  	def user.email
  		"fsdnjgsjk@lo;;sdfd"
  	end
  	user.wont_be :valid?
  end
end