supermarket_spec.rb

require 'basket'

describe Person do
  it "Opens a new basket, can add an item to it and calulate price" do
    x = start_checkout
    x.add("FR1")
    expect(x.show_basket).to eq('{"FR1"=>1, "SR1"=>0, "CF1"=>0} costs: £3.11')
  end

  it "Opens a new basket, adds some items, removes others and calculates price" do
    x = start_checkout
    x.add("FR1")
    x.add("FR1")
    x.add("SR1")
    x.remove("FR1")
    expect(x.show_basket).to eq('{"FR1"=>1, "SR1"=>1, "CF1"=>0} costs: £8.11')
  end

  it "Opens a new basket, adds stuff, removes stuff, checks out and empties basket" do
    x = start_checkout
    x.add("FR1")
    x.add("FR1")
    x.add("SR1")
    x.remove("FR1")
    expect(x.complete_purchase).to eq('That cost £8.11 and your basket is now empty')
  end

  it "Applies the two for one offer on two or more youghurts" do
    x = start_checkout
    x.add("FR1")
    x.add("FR1")
    x.add("FR1")
    expect(x.basket_total).to eq(6.22)
  end

  it "Applies the 50p discount to strawberries if you buy 3 or more" do
    x = start_checkout
    x.add("SR1")
    x.add("SR1")
    x.add("SR1")
    x.add("SR1")
    expect(x.basket_total).to eq(18.00)
  end

  it "doesn't if you only buy 2" do
    x = start_checkout
    x.add("SR1")
    x.add("SR1")
    expect(x.basket_total).to eq(10.00)
  end

  it "does the above two things in combination" do
    x = start_checkout
    x.add("FR1")
    x.add("SR1")
    x.add("FR1")
    x.add("SR1")
    x.add("SR1")
    expect(x.basket_total).to eq(16.61)
  end

  it "gets the name of a staff member from the database when given their staff number." do
    x = start_employee
    expect(x.check_name(10001)).to eq("Jon Hallam")
  end

  it "gets the length of employment from the database when given their staff number." do
    x = start_employee
    expect(x.check_employment_time(10001)).to eq(12)
  end

  it "recognises when a staff member is eligable for discount" do
    x = start_employee
    expect(x.staff_discount(10001)).to eq(true)
  end

  it "gives the discount to a deserving employee" do
    x = start_employee
    x.add("FR1")
    x.add("SR1")
    x.add("FR1")
    x.add("SR1")
    x.add("SR1")
    expect(x.basket_total(10001)).to eq(14.95)
  end

  it "doesn't for one who hasn't been there long enough" do
    x = start_employee
    x.add("FR1")
    x.add("SR1")
    x.add("FR1")
    x.add("SR1")
    x.add("SR1")
    expect(x.basket_total(10002)).to eq(16.61)
  end

  it "returns true if a loyalty code exists" do
    x = start_loyal
    expect(x.check_loyalty(1234)).to eq(true)
  end

 it "takes 5% off an item at the checkout for a loyal customer when given a valid card number and code of item that needs discountsing" do
   x = start_loyal
   x.add("FR1")
   x.add("SR1")
    x.add("FR1")
    x.add("SR1")
    x.add("SR1")
    expect(x.basket_total(1234, "SR1")).to eq(16.36)
  end

  it "updates prices when using a manager code" do
    x = start_manager
    x.update_price("FR1", 310)
    expect(x.check_price("FR1")).to eq(310)
  end

  it "updates prices when using a manager code" do
    x = start_manager
    x.update_price("FR1", 311)
    expect(x.check_price("FR1")).to eq(311)
  end

end