Go validator cheatsheet creator

go_validator_cheatsheet_creator.go

package main

import (
	"fmt"

	"github.com/go-playground/validator/v10"
)

func main() {
	validator := validator.New()

	tests := []string{
		"foo",
		"foo/bar",
		"foo:3000",
		"foo:3000/bar",

		"sub.foo",
		"sub.foo/bar",
		"sub.foo:3000",
		"sub.foo:3000/bar",

		"foo.gr",
		"foo.gr/bar",
		"foo.gr:3000",
		"foo.gr:3000/bar",

		"sub.foo.gr",
		"sub.foo.gr/bar",
		"sub.foo.gr:3000",
		"sub.foo.gr:3000/bar",

		"http://foo",
		"http://foo/bar",
		"http://foo:3000",
		"http://foo:3000/bar",

		"http://sub.foo",
		"http://sub.foo/bar",
		"http://sub.foo:3000",
		"http://sub.foo:3000/bar",

		"http://foo.gr",
		"http://foo.gr/bar",
		"http://foo.gr:3000",
		"http://foo.gr:3000/bar",

		"http://sub.foo.gr",
		"http://sub.foo.gr/bar",
		"http://sub.foo.gr:3000",
		"http://sub.foo.gr:3000/bar",
	}

	validators := []string{
		"url",
		"url_encoded",
		"hostname",
		"hostname_port",
		"fqdn",
	}

	for _, rule := range validators {
		for _, test := range tests {
			err := validator.Var(test, rule)
			fmt.Printf("%q,%q,", rule, test)
			if err != nil {
				fmt.Println("FAIL")
			} else {
				fmt.Println("PASS")
			}
		}
	}
}