box-o-sand/rails/map-mash/spec/controllers/mashes_controller_spec.rb

require 'spec_helper'

describe MashesController do

  def mock_mash(stubs={})
    @mock_mash ||= mock_model(Mash, stubs)
  end

  describe "GET index" do
    it "assigns all mashes as @mashes" do
      Mash.stub(:find).with(:all).and_return([mock_mash])
      get :index
      assigns[:mashes].should == [mock_mash]
    end
  end

  describe "GET show" do
    it "assigns the requested mash as @mash" do
      Mash.stub(:find).with("37").and_return(mock_mash)
      get :show, :id => "37"
      assigns[:mash].should equal(mock_mash)
    end
  end

  describe "GET new" do
    it "assigns a new mash as @mash" do
      Mash.stub(:new).and_return(mock_mash)
      get :new
      assigns[:mash].should equal(mock_mash)
    end
  end

  describe "GET edit" do
    it "assigns the requested mash as @mash" do
      Mash.stub(:find).with("37").and_return(mock_mash)
      get :edit, :id => "37"
      assigns[:mash].should equal(mock_mash)
    end
  end

  describe "POST create" do

    describe "with valid params" do
      it "assigns a newly created mash as @mash" do
        Mash.stub(:new).with({'these' => 'params'}).and_return(mock_mash(:save => true))
        post :create, :mash => {:these => 'params'}
        assigns[:mash].should equal(mock_mash)
      end

      it "redirects to the created mash" do
        Mash.stub(:new).and_return(mock_mash(:save => true))
        post :create, :mash => {}
        response.should redirect_to(mash_url(mock_mash))
      end
    end

    describe "with invalid params" do
      it "assigns a newly created but unsaved mash as @mash" do
        Mash.stub(:new).with({'these' => 'params'}).and_return(mock_mash(:save => false))
        post :create, :mash => {:these => 'params'}
        assigns[:mash].should equal(mock_mash)
      end

      it "re-renders the 'new' template" do
        Mash.stub(:new).and_return(mock_mash(:save => false))
        post :create, :mash => {}
        response.should render_template('new')
      end
    end

  end

  describe "PUT update" do

    describe "with valid params" do
      it "updates the requested mash" do
        Mash.should_receive(:find).with("37").and_return(mock_mash)
        mock_mash.should_receive(:update_attributes).with({'these' => 'params'})
        put :update, :id => "37", :mash => {:these => 'params'}
      end

      it "assigns the requested mash as @mash" do
        Mash.stub(:find).and_return(mock_mash(:update_attributes => true))
        put :update, :id => "1"
        assigns[:mash].should equal(mock_mash)
      end

      it "redirects to the mash" do
        Mash.stub(:find).and_return(mock_mash(:update_attributes => true))
        put :update, :id => "1"
        response.should redirect_to(mash_url(mock_mash))
      end
    end

    describe "with invalid params" do
      it "updates the requested mash" do
        Mash.should_receive(:find).with("37").and_return(mock_mash)
        mock_mash.should_receive(:update_attributes).with({'these' => 'params'})
        put :update, :id => "37", :mash => {:these => 'params'}
      end

      it "assigns the mash as @mash" do
        Mash.stub(:find).and_return(mock_mash(:update_attributes => false))
        put :update, :id => "1"
        assigns[:mash].should equal(mock_mash)
      end

      it "re-renders the 'edit' template" do
        Mash.stub(:find).and_return(mock_mash(:update_attributes => false))
        put :update, :id => "1"
        response.should render_template('edit')
      end
    end

  end

  describe "DELETE destroy" do
    it "destroys the requested mash" do
      Mash.should_receive(:find).with("37").and_return(mock_mash)
      mock_mash.should_receive(:destroy)
      delete :destroy, :id => "37"
    end

    it "redirects to the mashes list" do
      Mash.stub(:find).and_return(mock_mash(:destroy => true))
      delete :destroy, :id => "1"
      response.should redirect_to(mashes_url)
    end
  end

end