GraphQL Mutation Testing

regenerate_group_signup_link_spec.rb

require "rails_helper"

RSpec.describe "mutation RegenerateGroupSignupLink" do
  def mutation
    mutation = <<~GRAPHQL
      mutation RegenerateGroupSignupLink($input: RegenerateGroupSignupLinkInput!){
        regenerateGroupSignupLink(input: $input){
          group {
            id
            name
            signupUrl
          }
        }
      }
    GRAPHQL
  end

  context "when the current user is an admin of the group" do
    it "regenerates the signup token" do
      admin = create(:user)
      group = create(:group, :with_payment, name: "Group Name")
      create(:group_user, user: admin, group: group, admin: true)
      variables = { input: { groupId: global_id(group) } }

      result = query(mutation).as(admin).with(variables).run

      expect(result).to have_data(
        regenerateGroupSignupLink: {
          group: {
            id: global_id(group),
            name: "Group Name",
            signupUrl: a_kind_of(String)
          }
        }
      )
    end
  end

  context "when the current user is not an admin of the group" do
    it "returns an error" do
      user = create(:user)
      group = create(:group, :with_payment)
      variables = { input: { groupId: global_id(group) } }

      result = query(mutation).as(user).with(variables).run

      expect(result).to have_error(
        "You do not have the correct permissions to execute `regenerateGroupSignupLink`"
      ).at_path("regenerateGroupSignupLink")
    end
  end
end