package main

import "testing"

func TestNormalizeDomain(t *testing.T) {
	cases := map[string]string{"example.com": "example.com", "https://WWW.Example.com/a": "www.example.com", "example.com/": "example.com"}
	for in, want := range cases {
		got, err := normalizeDomain(in)
		if err != nil || got != want {
			t.Fatalf("%q: got %q, %v", in, got, err)
		}
	}
	for _, in := range []string{"localhost", "127.0.0.1", "bad_domain.com", "-bad.com"} {
		if _, err := normalizeDomain(in); err == nil {
			t.Fatalf("expected %q invalid", in)
		}
	}
}