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We make setting.Snapshot JSON-marshallable in preparation for returning it from the LocalAPI. Updates #12687 Signed-off-by: Nick Khyl <nickk@tailscale.com>
570 lines
15 KiB
Go
570 lines
15 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package setting
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import (
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"cmp"
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"encoding/json"
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"testing"
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"time"
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jsonv2 "github.com/go-json-experiment/json"
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"tailscale.com/util/syspolicy/internal"
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)
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func TestMergeSnapshots(t *testing.T) {
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tests := []struct {
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name string
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s1, s2 *Snapshot
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want *Snapshot
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}{
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{
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name: "both-nil",
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s1: nil,
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s2: nil,
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want: NewSnapshot(map[Key]RawItem{}),
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},
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{
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name: "both-empty",
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s1: NewSnapshot(map[Key]RawItem{}),
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s2: NewSnapshot(map[Key]RawItem{}),
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want: NewSnapshot(map[Key]RawItem{}),
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},
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{
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name: "first-nil",
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s1: nil,
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s2: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true),
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}),
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want: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true),
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}),
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},
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{
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name: "first-empty",
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s1: NewSnapshot(map[Key]RawItem{}),
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s2: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}),
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want: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}),
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},
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{
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name: "second-nil",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true),
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}),
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s2: nil,
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want: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true),
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}),
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},
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{
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name: "second-empty",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}),
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s2: NewSnapshot(map[Key]RawItem{}),
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want: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}),
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},
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{
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name: "no-conflicts",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}),
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s2: NewSnapshot(map[Key]RawItem{
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"Setting4": RawItemOf(2 * time.Hour),
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"Setting5": RawItemOf(VisibleByPolicy),
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"Setting6": RawItemOf(ShowChoiceByPolicy),
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}),
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want: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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"Setting4": RawItemOf(2 * time.Hour),
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"Setting5": RawItemOf(VisibleByPolicy),
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"Setting6": RawItemOf(ShowChoiceByPolicy),
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}),
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},
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{
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name: "with-conflicts",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true),
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}),
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s2: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(456),
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"Setting3": RawItemOf(false),
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"Setting4": RawItemOf(2 * time.Hour),
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}),
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want: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(456),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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"Setting4": RawItemOf(2 * time.Hour),
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}),
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},
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{
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name: "with-scope-first-wins",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true),
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}, DeviceScope),
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s2: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(456),
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"Setting3": RawItemOf(false),
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"Setting4": RawItemOf(2 * time.Hour),
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}, CurrentUserScope),
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want: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true),
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"Setting4": RawItemOf(2 * time.Hour),
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}, CurrentUserScope),
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},
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{
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name: "with-scope-second-wins",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true),
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}, CurrentUserScope),
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s2: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(456),
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"Setting3": RawItemOf(false),
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"Setting4": RawItemOf(2 * time.Hour),
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}, DeviceScope),
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want: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(456),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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"Setting4": RawItemOf(2 * time.Hour),
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}, CurrentUserScope),
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},
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{
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name: "with-scope-both-empty",
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s1: NewSnapshot(map[Key]RawItem{}, CurrentUserScope),
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s2: NewSnapshot(map[Key]RawItem{}, DeviceScope),
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want: NewSnapshot(map[Key]RawItem{}, CurrentUserScope),
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},
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{
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name: "with-scope-first-empty",
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s1: NewSnapshot(map[Key]RawItem{}, CurrentUserScope),
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s2: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true)}, DeviceScope, NewNamedOrigin("TestPolicy", DeviceScope)),
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want: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true),
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}, CurrentUserScope, NewNamedOrigin("TestPolicy", DeviceScope)),
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},
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{
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name: "with-scope-second-empty",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true),
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}, CurrentUserScope),
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s2: NewSnapshot(map[Key]RawItem{}),
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want: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true),
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}, CurrentUserScope),
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := MergeSnapshots(tt.s1, tt.s2)
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if !got.Equal(tt.want) {
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t.Errorf("got %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestSnapshotEqual(t *testing.T) {
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tests := []struct {
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name string
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s1, s2 *Snapshot
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wantEqual bool
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wantEqualItems bool
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}{
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{
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name: "nil-nil",
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s1: nil,
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s2: nil,
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wantEqual: true,
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wantEqualItems: true,
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},
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{
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name: "nil-empty",
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s1: nil,
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s2: NewSnapshot(map[Key]RawItem{}),
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wantEqual: true,
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wantEqualItems: true,
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},
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{
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name: "empty-nil",
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s1: NewSnapshot(map[Key]RawItem{}),
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s2: nil,
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wantEqual: true,
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wantEqualItems: true,
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},
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{
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name: "empty-empty",
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s1: NewSnapshot(map[Key]RawItem{}),
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s2: NewSnapshot(map[Key]RawItem{}),
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wantEqual: true,
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wantEqualItems: true,
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},
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{
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name: "first-nil",
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s1: nil,
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s2: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}),
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wantEqual: false,
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wantEqualItems: false,
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},
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{
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name: "first-empty",
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s1: NewSnapshot(map[Key]RawItem{}),
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s2: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}),
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wantEqual: false,
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wantEqualItems: false,
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},
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{
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name: "second-nil",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(true),
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}),
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s2: nil,
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wantEqual: false,
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wantEqualItems: false,
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},
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{
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name: "second-empty",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}),
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s2: NewSnapshot(map[Key]RawItem{}),
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wantEqual: false,
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wantEqualItems: false,
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},
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{
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name: "same-items-same-order-no-scope",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}),
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s2: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}),
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wantEqual: true,
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wantEqualItems: true,
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},
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{
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name: "same-items-same-order-same-scope",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}, DeviceScope),
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s2: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}, DeviceScope),
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wantEqual: true,
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wantEqualItems: true,
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},
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{
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name: "same-items-different-order-same-scope",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}, DeviceScope),
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s2: NewSnapshot(map[Key]RawItem{
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"Setting3": RawItemOf(false),
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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}, DeviceScope),
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wantEqual: true,
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wantEqualItems: true,
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},
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{
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name: "same-items-same-order-different-scope",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}, DeviceScope),
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s2: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}, CurrentUserScope),
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wantEqual: false,
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wantEqualItems: true,
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},
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{
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name: "different-items-same-scope",
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s1: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(123),
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"Setting2": RawItemOf("String"),
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"Setting3": RawItemOf(false),
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}, DeviceScope),
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s2: NewSnapshot(map[Key]RawItem{
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"Setting4": RawItemOf(2 * time.Hour),
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"Setting5": RawItemOf(VisibleByPolicy),
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"Setting6": RawItemOf(ShowChoiceByPolicy),
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}, DeviceScope),
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wantEqual: false,
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wantEqualItems: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if gotEqual := tt.s1.Equal(tt.s2); gotEqual != tt.wantEqual {
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t.Errorf("WantEqual: got %v, want %v", gotEqual, tt.wantEqual)
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}
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if gotEqualItems := tt.s1.EqualItems(tt.s2); gotEqualItems != tt.wantEqualItems {
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t.Errorf("WantEqualItems: got %v, want %v", gotEqualItems, tt.wantEqualItems)
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}
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})
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}
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}
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func TestSnapshotString(t *testing.T) {
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tests := []struct {
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name string
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snapshot *Snapshot
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wantString string
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}{
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{
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name: "nil",
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snapshot: nil,
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wantString: "{Empty}",
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},
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{
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name: "empty",
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snapshot: NewSnapshot(nil),
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wantString: "{Empty}",
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},
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{
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name: "empty-with-scope",
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snapshot: NewSnapshot(nil, DeviceScope),
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wantString: "{Empty, Device}",
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},
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{
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name: "empty-with-origin",
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snapshot: NewSnapshot(nil, NewNamedOrigin("Test Policy", DeviceScope)),
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wantString: "{Empty, Test Policy (Device)}",
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},
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{
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name: "non-empty",
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snapshot: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemOf(2 * time.Hour),
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"Setting2": RawItemOf(VisibleByPolicy),
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"Setting3": RawItemOf(ShowChoiceByPolicy),
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}, NewNamedOrigin("Test Policy", DeviceScope)),
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wantString: `{Test Policy (Device)}
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Setting1 = 2h0m0s
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Setting2 = show
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Setting3 = user-decides`,
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},
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{
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name: "non-empty-with-item-origin",
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snapshot: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemWith(42, nil, NewNamedOrigin("Test Policy", DeviceScope)),
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}),
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wantString: `Setting1 = 42 - {Test Policy (Device)}`,
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},
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{
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name: "non-empty-with-item-error",
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snapshot: NewSnapshot(map[Key]RawItem{
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"Setting1": RawItemWith(nil, NewErrorText("bang!"), nil),
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}),
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wantString: `Setting1 = Error{"bang!"}`,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if gotString := tt.snapshot.String(); gotString != tt.wantString {
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t.Errorf("got %v\nwant %v", gotString, tt.wantString)
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}
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})
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}
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}
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func TestMarshalUnmarshalSnapshot(t *testing.T) {
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tests := []struct {
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name string
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snapshot *Snapshot
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wantJSON string
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wantBack *Snapshot
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}{
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{
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name: "Nil",
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snapshot: (*Snapshot)(nil),
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wantJSON: "null",
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wantBack: NewSnapshot(nil),
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},
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{
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name: "Zero",
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snapshot: &Snapshot{},
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wantJSON: "{}",
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},
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{
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name: "Bool/True",
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snapshot: NewSnapshot(map[Key]RawItem{"BoolPolicy": RawItemOf(true)}),
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wantJSON: `{"Settings": {"BoolPolicy": {"Value": true}}}`,
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},
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{
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name: "Bool/False",
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snapshot: NewSnapshot(map[Key]RawItem{"BoolPolicy": RawItemOf(false)}),
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wantJSON: `{"Settings": {"BoolPolicy": {"Value": false}}}`,
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},
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{
|
|
name: "String/Non-Empty",
|
|
snapshot: NewSnapshot(map[Key]RawItem{"StringPolicy": RawItemOf("StringValue")}),
|
|
wantJSON: `{"Settings": {"StringPolicy": {"Value": "StringValue"}}}`,
|
|
},
|
|
{
|
|
name: "String/Empty",
|
|
snapshot: NewSnapshot(map[Key]RawItem{"StringPolicy": RawItemOf("")}),
|
|
wantJSON: `{"Settings": {"StringPolicy": {"Value": ""}}}`,
|
|
},
|
|
{
|
|
name: "Integer/NonZero",
|
|
snapshot: NewSnapshot(map[Key]RawItem{"IntPolicy": RawItemOf(uint64(42))}),
|
|
wantJSON: `{"Settings": {"IntPolicy": {"Value": 42}}}`,
|
|
},
|
|
{
|
|
name: "Integer/Zero",
|
|
snapshot: NewSnapshot(map[Key]RawItem{"IntPolicy": RawItemOf(uint64(0))}),
|
|
wantJSON: `{"Settings": {"IntPolicy": {"Value": 0}}}`,
|
|
},
|
|
{
|
|
name: "String-List",
|
|
snapshot: NewSnapshot(map[Key]RawItem{"ListPolicy": RawItemOf([]string{"Value1", "Value2"})}),
|
|
wantJSON: `{"Settings": {"ListPolicy": {"Value": ["Value1", "Value2"]}}}`,
|
|
},
|
|
{
|
|
name: "Empty/With-Summary",
|
|
snapshot: NewSnapshot(
|
|
map[Key]RawItem{},
|
|
SummaryWith(CurrentUserScope, NewNamedOrigin("TestSource", DeviceScope)),
|
|
),
|
|
wantJSON: `{"Summary": {"Origin": {"Name": "TestSource", "Scope": "Device"}, "Scope": "User"}}`,
|
|
},
|
|
{
|
|
name: "Setting/With-Summary",
|
|
snapshot: NewSnapshot(
|
|
map[Key]RawItem{"PolicySetting": RawItemOf(uint64(42))},
|
|
SummaryWith(CurrentUserScope, NewNamedOrigin("TestSource", DeviceScope)),
|
|
),
|
|
wantJSON: `{
|
|
"Summary": {"Origin": {"Name": "TestSource", "Scope": "Device"}, "Scope": "User"},
|
|
"Settings": {"PolicySetting": {"Value": 42}}
|
|
}`,
|
|
},
|
|
{
|
|
name: "Settings/With-Origins",
|
|
snapshot: NewSnapshot(
|
|
map[Key]RawItem{
|
|
"SettingA": RawItemWith(uint64(42), nil, NewNamedOrigin("SourceA", DeviceScope)),
|
|
"SettingB": RawItemWith("B", nil, NewNamedOrigin("SourceB", CurrentProfileScope)),
|
|
"SettingC": RawItemWith(true, nil, NewNamedOrigin("SourceC", CurrentUserScope)),
|
|
},
|
|
),
|
|
wantJSON: `{
|
|
"Settings": {
|
|
"SettingA": {"Value": 42, "Origin": {"Name": "SourceA", "Scope": "Device"}},
|
|
"SettingB": {"Value": "B", "Origin": {"Name": "SourceB", "Scope": "Profile"}},
|
|
"SettingC": {"Value": true, "Origin": {"Name": "SourceC", "Scope": "User"}}
|
|
}
|
|
}`,
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
doTest := func(t *testing.T, useJSONv2 bool) {
|
|
var gotJSON []byte
|
|
var err error
|
|
if useJSONv2 {
|
|
gotJSON, err = jsonv2.Marshal(tt.snapshot)
|
|
} else {
|
|
gotJSON, err = json.Marshal(tt.snapshot)
|
|
}
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if got, want, equal := internal.EqualJSONForTest(t, gotJSON, []byte(tt.wantJSON)); !equal {
|
|
t.Errorf("JSON: got %s; want %s", got, want)
|
|
}
|
|
|
|
gotBack := &Snapshot{}
|
|
if useJSONv2 {
|
|
err = jsonv2.Unmarshal(gotJSON, &gotBack)
|
|
} else {
|
|
err = json.Unmarshal(gotJSON, &gotBack)
|
|
}
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if wantBack := cmp.Or(tt.wantBack, tt.snapshot); !gotBack.Equal(wantBack) {
|
|
t.Errorf("Snapshot: got %+v; want %+v", gotBack, wantBack)
|
|
}
|
|
}
|
|
|
|
t.Run("json", func(t *testing.T) { doTest(t, false) })
|
|
t.Run("jsonv2", func(t *testing.T) { doTest(t, true) })
|
|
})
|
|
}
|
|
}
|