# encoding: UTF-8
require 'spec_helper'

describe Admin::SuppliersController do
  before :each do
    @administrator = Administrator.find_by_email('administrator@qwaiter.com') || Administrator.create(email: 'administrator@qwaiter.com', password: 'secret')
    sign_in @administrator
  end

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

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

  describe "GET #new" do
    it "assigns a new supplier to @supplier" do
      get :new
      assigns(:supplier).should be_a Supplier
    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 supplier" do
        expect{
          post :create, supplier: attributes_for(:supplier)
        }.to change(Supplier, :count).by(1)
      end

      it "redirects to the new supplier" do
        post :create, supplier: attributes_for(:supplier)
        response.should redirect_to [:admin, Supplier.last]
      end
    end

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

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

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

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

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

      it "redirects to the updated supplier" do
        put :update, id: @supplier, supplier: attributes_for(:supplier)
        response.should redirect_to [:admin, @supplier]
      end
    end

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

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

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

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

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