I dont know how he did that...

require 'spec_helper'

describe "Editing todo lists" do
    let!(:todo_list) { TodoList.create(title: "Groceries", description: "Grocery list.") }
    def update_todo_list(options={})
        options[:title] ||= "My todo list"
        options[:description] ||= "This is my todo list."
        todo_list = options[:todo_list]

        visit "/todo_lists"
        within "#todo_list_#{todo_list.id}" do
            click_link "Edit"
        end

        fill_in "Title", with: options[:title]
        fill_in "Description", with: options[:description]
        click_button "Update Todo list"
    end

    it "updates a todo list successfully with correct information" do
        update_todo_list todo_list: todo_list, 
                         title: "New title", 
                         description: "New description"

        todo_list.reload

        expect(page).to have_content("Todo list was successfully updated.")
        expect(todo_list.title).to eq("New title")
        expect(todo_list.description).to eq("New description")
    end


    it "displays an error with no title" do
        update_todo_list todo_list: todo_list, title: ""
        title = todo_list.title
        todo_list.reload
        expect(todo_list.title).to eq(title)
        expect(page).to have_content("error")
    end

    it "displays an error too short of a title" do
        update_todo_list todo_list: todo_list, title: "hi"
        expect(page).to have_content("error")
    end

    it "displays an error with no description" do
        update_todo_list todo_list: todo_list, description: ""
        expect(page).to have_content("error")
    end

    it "displays an error too short of a description" do
        update_todo_list todo_list: todo_list, description: "hi"
        expect(page).to have_content("error")
    end

end