# frozen_string_literal: true require "spec_helper" RSpec.describe PotatoMesh::Application do describe ".canonicalize_configured_instance_domain" do subject(:canonicalize) { described_class.canonicalize_configured_instance_domain(input) } context "with an IPv6 URL" do let(:input) { "http://[::1]" } it "retains brackets around the literal" do expect(canonicalize).to eq("[::1]") end end context "with an IPv6 URL including a non-default port" do let(:input) { "http://[::1]:8080" } it "keeps the literal bracketed and appends the port" do expect(canonicalize).to eq("[::1]:8080") end end context "with a bare IPv6 literal" do let(:input) { "::1" } it "wraps the literal in brackets" do expect(canonicalize).to eq("[::1]") end end context "with a bare IPv6 literal and port" do let(:input) { "::1:9000" } it "wraps the literal in brackets and preserves the port" do expect(canonicalize).to eq("[::1]:9000") end end context "with an IPv4 literal" do let(:input) { "http://127.0.0.1" } it "returns the literal without brackets" do expect(canonicalize).to eq("127.0.0.1") end end end end