gistfile1.txt

class EventsController < ApplicationController
  
  def create
    @event = Event.new(params[:event])
    if @event.save
      flash[:notice] = 'Event was successfully created.'
      redirect_to :action => :index
    else
      render :action => :new
    end
  end

end

# ============================================

def setup
  @attributes = { 
    'name'        => "Valid Event",
    'description' => "Example description"  
  }

  @event = flexmock(Event.new)

  flexmock(Event).should_receive(:new).
    with(@attributes).
    once.and_return(@event)
end

test "create with valid event should assign event and redirect" do
  @event.should_receive(:save).with().
    once.and_return(true)

  post :create, :event => @attributes

  assert_equal @event, assigns(:event)
  assert_not_nil flash[:notice]
  assert_redirected_to events_url
end


test "create with invalid event should show new form" do
  @event.should_receive(:save).with().
    once.and_return(false)

  post :create, :event => @attributes

  assert_equal @event, assigns(:event)
  assert_nil flash[:notice]
  assert_response :success
  assert_template 'new'
end