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require 'test_helper'
class Post
extend ActiveModel::Naming
end
class Tag
extend ActiveModel::Naming
end
class TagsController < InheritedResources::Base
belongs_to :post, shallow: true, finder: :find_by_slug
end
class BelongsToWithShallowTest < ActionController::TestCase
tests TagsController
def setup
draw_routes do
resources :tags
end
Post.expects(:find_by_slug).with('thirty_seven').returns(mock_post)
mock_post.expects(:tags).returns(Tag)
@controller.stubs(:collection_url).returns('/')
end
def teardown
clear_routes
end
def test_expose_all_tags_as_instance_variable_on_index
Tag.expects(:scoped).returns([mock_tag])
get :index, params: { post_id: 'thirty_seven' }
assert_equal mock_post, assigns(:post)
assert_equal [mock_tag], assigns(:tags)
end
def test_expose_a_new_tag_on_new
Tag.expects(:build).returns(mock_tag)
get :new, params: { post_id: 'thirty_seven' }
assert_equal mock_post, assigns(:post)
assert_equal mock_tag, assigns(:tag)
end
def test_expose_a_newly_create_tag_on_create
Tag.expects(:build).with({'these' => 'params'}).returns(mock_tag(save: true))
post :create, params: { post_id: 'thirty_seven', tag: {these: 'params'} }
assert_equal mock_post, assigns(:post)
assert_equal mock_tag, assigns(:tag)
end
def test_expose_the_requested_tag_on_show
should_find_parents
get :show, params: { id: '42' }
assert_equal mock_post, assigns(:post)
assert_equal mock_tag, assigns(:tag)
end
def test_expose_the_requested_tag_on_edit
should_find_parents
get :edit, params: { id: '42' }
assert_equal mock_post, assigns(:post)
assert_equal mock_tag, assigns(:tag)
end
def test_update_the_requested_object_on_update
should_find_parents
mock_tag.expects(:update).with({'these' => 'params'}).returns(true)
put :update, params: { id: '42', tag: {these: 'params'} }
assert_equal mock_post, assigns(:post)
assert_equal mock_tag, assigns(:tag)
end
def test_the_requested_tag_is_destroyed_on_destroy
should_find_parents
mock_tag.expects(:destroy)
delete :destroy, params: { id: '42', post_id: '37' }
assert_equal mock_post, assigns(:post)
assert_equal mock_tag, assigns(:tag)
end
protected
def should_find_parents
mock_tag.expects(:post).returns(mock_post)
mock_post.expects(:to_param).returns('thirty_seven')
Tag.expects(:find).with('42').twice.returns(mock_tag)
end
def mock_post(stubs={})
@mock_post ||= mock(stubs)
end
def mock_tag(stubs={})
@mock_tag ||= mock(stubs)
end
end
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