town_spec.rb

require 'spec_helper'

describe Town do
  subject { create(:town) }

  it "has a valid factory" do
    subject.should be_valid
  end

  it "is invalid without a name" do
    build(:town, name: nil).should_not be_valid
  end

  it "cannot have duplicate names for the same province" do
    build(:town, province: subject.province, name: subject.name).should_not be_valid
  end

  context "different provinces" do
    let(:country) { create(:country) }
    let(:province1) { create(:province, country: country, name: "Province1", abbreviation: "P1") }
    let(:province2) { create(:province, country: country, name: "Province2", abbreviation: "P2") }

    it "can have duplicate names" do
      create(:town, province: province1, name: "Test").should be_valid
      create(:town, province: province2, name: "Test").should be_valid
    end
  end

end