mozo-backend/spec/controllers/suppliers/lists_controller_spec.rb

# encoding: UTF-8
require 'spec_helper'

describe Suppliers::ListsController do
  before :each do
    @supplier = Supplier.find_by_email('supplier@qwaiter.com') || Supplier.create(name: 'Supplier', email: 'supplier@qwaiter.com', password: 'secret')
    sign_in @supplier
  end

  describe "GET #index" do
    it "populates an array of lists" do
      list = create :list, supplier: @supplier
      get :index
      assigns(:lists).should eq([list])
    end

    it "does not include lists from another supplier" do
      list1 = create :list, supplier: @supplier
      list2 = create :list
      get :index
      assigns(:lists).should eq([list1])
    end

    it "should render without errors when no objects are present" do
      get :index
      expect{ render_template :index }.not_to raise_error
    end

    it "renders the :index view" do
      get :index
      response.should render_template :index
    end
  end

  describe "GET #show" do
    it "assigns the requested list to @list" do
      list = create :list, supplier: @supplier
      get :show, id: list
      assigns(:list).should eq(list)
    end

    it "should not display a list of another supplier" do
      list = create :list
      get :show, id: list
      response.status.should == 404
    end

    it "renders the #show view" do
      list = create :list, supplier: @supplier
      get :show, id: list
      response.should render_template :show
    end
  end

  describe "GET #new" do
    it "assigns a new list to @list" do
      get :new
      assigns(:list).should be_a List
    end

    it "renders the #show view" do
      get :new
      response.should render_template :new
    end
  end

  describe "POST #create" do
    context "with valid attributes" do
      it "creates a new list" do
        expect{
          post :create, list: attributes_for(:list, supplier: @supplier)
        }.to change(List, :count).by(1)
      end

      it "redirects to the new list" do
        post :create, list: attributes_for(:list, supplier: @supplier)
        response.should redirect_to [:suppliers, List.last]
      end

      it "should not be possible to create a list for another supplier" do
        supplier2 = create :supplier
        post :create, list: attributes_for(:list, price: '6.66', supplier: supplier2)
        List.find_by_price(6.66).supplier_id.should == @supplier.id
      end
    end

    context "with invalid attributes" do
      it "does not save the new list" do
        expect{
          post :create, list: {table_id: ''}
        }.to_not change(List, :count)
      end

      it "re-renders the new method" do
        post :create, list: {table_id: ''}
        response.should render_template :new
      end
    end
  end

  describe 'PUT update' do
    before :each do
      @list = create :list, supplier: @supplier
    end

    context "valid attributes" do
      it "located the requested list" do
        put :update, id: @list, list: attributes_for(:list, supplier: @supplier)
        @list.reload
        assigns(:list).should eq(@list)
      end

      it "changes @list's attributes" do
        put :update, id: @list, list: attributes_for(:list, price: "7.22", supplier: @supplier)
        @list.reload
        @list.price.should eq(7.22)
      end

      it "redirects to the updated list" do
        put :update, id: @list, list: attributes_for(:list, supplier: @supplier)
        response.should redirect_to [:suppliers, @list]
      end
      it "should not be possible to update a list to another supplier" do
        supplier2 = create :supplier
        put :update, id: @list, list: attributes_for(:list, supplier: supplier2)
        @list.reload
        @list.supplier_id.should == @supplier.id
      end

      it "should not be possible to update a list of another supplier" do
        list = create :list, price: '7.22'
        put :update, id: list, list: {price: '6.66'}
        list.reload
        list.price.should == 7.22
      end
    end

    context "invalid attributes" do
      it "locates the requested list" do
        put :update, id: @list, list: {table_id: ''}
        assigns(:list).should eq(@list)
      end

      it "re-renders the edit method" do
        put :update, id: @list, list: {table_id: ''}
        response.should render_template :edit
      end
    end
  end

  describe 'DELETE destroy' do
    before :each do
      @list = create :list, supplier: @supplier
    end

    it "deletes the list" do
      expect{
        delete :destroy, id: @list        
      }.to change(List, :count).by(-1)
    end

    it "redirects to lists#index" do
      delete :destroy, id: @list
      response.should redirect_to [:suppliers, :lists]
    end

    it "should not be possible to delete a list of another supplier" do
      list = create :list
      expect{
        delete :destroy, id: list
      }.to_not change(List, :count)
    end
  end
end