draper/spec/dummy/fast_spec/post_decorator_spec.rb

38 lines
1.0 KiB
Ruby

require 'draper'
require 'active_model/naming'
require_relative '../app/decorators/post_decorator'
Draper::ViewContext.test_strategy :fast
Post = Struct.new(:id) { extend ActiveModel::Naming }
describe PostDecorator do
let(:decorator) { PostDecorator.new(object) }
let(:object) { Post.new(42) }
it "can use built-in helpers" do
expect(decorator.truncated).to eq "Once upon a..."
end
it "can use built-in private helpers" do
expect(decorator.html_escaped).to eq "<script>danger</script>"
end
it "can't use user-defined helpers from app/helpers" do
expect{decorator.hello_world}.to raise_error NoMethodError, /hello_world/
end
it "can't use path helpers" do
expect{decorator.path_with_model}.to raise_error NoMethodError, /post_path/
end
it "can't use url helpers" do
expect{decorator.url_with_model}.to raise_error NoMethodError, /post_url/
end
it "can't be passed implicitly to url_for" do
expect{decorator.link}.to raise_error ArgumentError
end
end