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Rake Testing

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Daniel Weller edited this page Nov 29, 2015 · 1 revision

This assumes you have set up tags using Tutorial for Posts
To test using rake you can do the following:

Ensure that you are using acts_as_taggable_on :tags instead of acts_as_taggable in app/models/post.rb or your tests will fail. Reference: http://stackoverflow.com/questions/18725506/acts-as-taggable-on

class Post < ActiveRecord::Base
  acts_as_taggable_on :tags
end

tests/controllers/posts_controller_test.rb

class PostsControllerTest < ActionController::TestCase
  setup do
    @post = posts(:one)
    @tag = ActsAsTaggableOn::Tag.find(1)
  end
...
  test "should create post" do
    assert_difference('Post.count') do
      post :create, post: { content: @post.content, title: @post.title, tag_list: @tag.name }
    end

    assert_redirected_to post_path(assigns(:post))
  end

  test "should update post" do
    patch :update, id: @post, post: { content: @post.content, title: @post.title, tag_list: @tag.name }
    assert_redirected_to post_path(assigns(:post))
  end
end

Here we add tag_list: @tag.name into the :create & update actions for should create post & should update post. We define @tag by looking for the id of 1 from fixtures/tags.yml.

tests/fixtures/tags.yml

one:
  id: 1
  name: animals

You may want to create tests for your tag views too. You can do that by creating

tests/controllers/tags_controller_test.rb

require 'test_helper'

class TagsControllerTest < ActionController::TestCase
  setup do
    @tag = ActsAsTaggableOn::Tag.find(1)
  end

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

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

Running rake test should now pass

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