mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-29 13:05:46 +00:00
ff5f233c3a
In this PR we add syspolicy/rsop package that facilitates policy source registration and provides access to the resultant policy merged from all registered sources for a given scope. Updates #12687 Signed-off-by: Nick Khyl <nickk@tailscale.com>
67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
// Package internal contains miscellaneous functions and types
|
|
// that are internal to the syspolicy packages.
|
|
package internal
|
|
|
|
import (
|
|
"bytes"
|
|
|
|
"github.com/go-json-experiment/json/jsontext"
|
|
"tailscale.com/types/lazy"
|
|
"tailscale.com/version"
|
|
)
|
|
|
|
// Init facilitates deferred invocation of initializers.
|
|
var Init lazy.DeferredInit
|
|
|
|
// OSForTesting is the operating system override used for testing.
|
|
// It follows the same naming convention as [version.OS].
|
|
var OSForTesting lazy.SyncValue[string]
|
|
|
|
// OS is like [version.OS], but supports a test hook.
|
|
func OS() string {
|
|
return OSForTesting.Get(version.OS)
|
|
}
|
|
|
|
// TB is a subset of testing.TB that we use to set up test helpers.
|
|
// It's defined here to avoid pulling in the testing package.
|
|
type TB interface {
|
|
Helper()
|
|
Cleanup(func())
|
|
Logf(format string, args ...any)
|
|
Error(args ...any)
|
|
Errorf(format string, args ...any)
|
|
Fatal(args ...any)
|
|
Fatalf(format string, args ...any)
|
|
}
|
|
|
|
// EqualJSONForTest compares the JSON in j1 and j2 for semantic equality.
|
|
// It returns "", "", true if j1 and j2 are equal. Otherwise, it returns
|
|
// indented versions of j1 and j2 and false.
|
|
func EqualJSONForTest(tb TB, j1, j2 jsontext.Value) (s1, s2 string, equal bool) {
|
|
tb.Helper()
|
|
j1 = j1.Clone()
|
|
j2 = j2.Clone()
|
|
// Canonicalize JSON values for comparison.
|
|
if err := j1.Canonicalize(); err != nil {
|
|
tb.Error(err)
|
|
}
|
|
if err := j2.Canonicalize(); err != nil {
|
|
tb.Error(err)
|
|
}
|
|
// Check and return true if the two values are structurally equal.
|
|
if bytes.Equal(j1, j2) {
|
|
return "", "", true
|
|
}
|
|
// Otherwise, format the values for display and return false.
|
|
if err := j1.Indent("", "\t"); err != nil {
|
|
tb.Fatal(err)
|
|
}
|
|
if err := j2.Indent("", "\t"); err != nil {
|
|
tb.Fatal(err)
|
|
}
|
|
return j1.String(), j2.String(), false
|
|
}
|