tailscale/tstest/integration/vms/regex_flag_test.go

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// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package vms
import (
"flag"
"testing"
)
func TestRegexFlag(t *testing.T) {
var v regexValue
fs := flag.NewFlagSet(t.Name(), flag.PanicOnError)
fs.Var(&v, "regex", "regex to parse")
const want = `.*`
fs.Parse([]string{"-regex", want})
if v.Unwrap().String() != want {
t.Fatalf("got wrong regex: %q, wanted: %q", v.Unwrap().String(), want)
}
}