// Copyright 2015 The Vanadium 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 principal

import (
	"fmt"
	"strings"

	"v.io/v23/security"
	"v.io/v23/verror"
)

func blessSelf(p security.Principal, name string) security.Blessings {
	b, err := p.BlessSelf(name)
	if err != nil {
		panic(err)
	}
	return b
}

func matchesError(got error, want string) error {
	if (got == nil) && len(want) == 0 {
		return nil
	}
	if got == nil {
		return fmt.Errorf("Got nil error, wanted to match %q", want)
	}
	if !strings.Contains(got.Error(), want) {
		return fmt.Errorf("Got error %q, wanted to match %q", got, want)
	}
	return nil
}

func matchesErrorID(got error, want verror.ID) error {
	if (got == nil) && len(want) == 0 {
		return nil
	}
	if got == nil {
		return fmt.Errorf("Got nil error, wanted to match %q", want)
	}
	if verror.ErrorID(got) != want {
		return fmt.Errorf("Got error %q, wanted to match %q", got, want)
	}
	return nil
}