Expected response to be a <:redirect>, but was <200>. Failure is on lines 29 and 57 of the test.

links_controller.rb

class LinksController < ApplicationController
  # GET /links
  # GET /links.json
  def index
    @links = Link.all

    respond_to do |format|
      format.html # index.html.erb
      format.json { render json: @links }
    end
  end

  # GET /links/1
  # GET /links/1.json
  def show
    @link = Link.find(params[:id])
  
    respond_to do |format|
      format.html # show.html.erb
      format.json { render json: @link }
    end
  end

  # GET /links/new
  # GET /links/new.json
  def new
    @link = Link.new

    respond_to do |format|
      format.html # new.html.erb
      format.json { render json: @link }
    end
  end

  # GET /links/1/edit
  def edit
    @link = Link.find(params[:id])
  end

  # POST /links
  # POST /links.json
  def create
    @link = Link.new(params[:link])

    respond_to do |format|
      if @link.save
        format.html { redirect_to links_path, notice: 'Link was successfully created.' }
        format.json { render json: @link, status: :created, location: @link }
      else
        format.html { render action: "new" }
        format.json { render json: @link.errors, status: :unprocessable_entity }
      end
    end
  end

  # PUT /links/1
  # PUT /links/1.json
  def update
    @link = Link.find(params[:id])

    respond_to do |format|
      if @link.update_attributes(params[:link])
        format.html { redirect_to links_path, notice: 'Link was successfully updated.' }
        format.json { head :no_content }
      else
        format.html { render action: "edit" }
        format.json { render json: @link.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /links/1
  # DELETE /links/1.json
  def destroy
    @link = Link.find(params[:id])
    @link.destroy

    respond_to do |format|
      format.html { redirect_to links_url }
      format.json { head :no_content }
    end
  end
end

links_controller_test.rb

require 'test_helper'

class LinksControllerTest < ActionController::TestCase
  setup do
    @link = links(:one)
    @update = {
      title: 'Testing',
      url:   'http://www.lipsum.com/'
    }
  end

  test "should get index" do
    get :index
    assert_response :success
    assert_not_nil assigns(:links)
  end

  test "should get new" do
    get :new
    assert_response :success
  end

  test "should create link" do
    assert_no_difference('Link.count') do
      # post :create, link: { title: @link.title, url: @link.url }
      post :create, link: @update
    end

    assert_redirected_to links_path(assigns(:link)) 
=begin
[7/7] LinksControllerTest#test_should_update_link = 0.01 s
  2) Failure:
test_should_update_link(LinksControllerTest) [/Users/rob/Projects/portaportal/test/functional/links_controller_test.rb:45]:
Expected response to be a <:redirect>, but was <200>

Finished tests in 0.214639s, 32.6129 tests/s, 46.5899 assertions/s.
7 tests, 10 assertions, 2 failures, 0 errors, 0 skips

ruby -v: ruby 2.0.0p0 (2013-02-24 revision 39474) [x86_64-darwin12.3.0]
Errors running test:functionals! #<RuntimeError: Command failed with status (2): [ruby -I"lib:test" -I"/Users/rob/.rvm/gems/ruby-2.0.0-p0@global/gems/rake-10.0.4/lib" "/Users/rob/.rvm/gems/ruby-2.0.0-p0@global/gems/rake-10.0.4/lib/rake/rake_test_loader.rb" "test/functional/**/*_test.rb" ]>
=end
  end

  test "should show link" do
    get :show, id: @link
    assert_response :success
  end

  test "should get edit" do
    get :edit, id: @link
    assert_response :success
  end

  test "should update link" do
    # put :update, id: @link, link: { title: @link.title, url: @link.url }
    put :update, id: @link, link: @update
    assert_redirected_to links_path
=begin
[1/7] LinksControllerTest#test_should_create_link = 0.11 s
  1) Failure:
test_should_create_link(LinksControllerTest) [/Users/rob/Projects/portaportal/test/functional/links_controller_test.rb:29]:
Expected response to be a <:redirect>, but was <200>
=end
  end

  test "should destroy link" do
    assert_difference('Link.count', -1) do
      delete :destroy, id: @link
    end

    assert_redirected_to links_path
  end
end