mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-25 19:15:34 +00:00
2484 lines
51 KiB
Go
2484 lines
51 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package tstest
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import (
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"sync/atomic"
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"testing"
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"time"
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"golang.org/x/exp/slices"
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"tailscale.com/tstime"
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)
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func TestClockWithDefinedStartTime(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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start time.Time
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step time.Duration
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wants []time.Time // The return values of sequential calls to Now().
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}{
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{
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name: "increment ms",
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start: time.Unix(12345, 1000),
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step: 1000,
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wants: []time.Time{
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time.Unix(12345, 1000),
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time.Unix(12345, 2000),
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time.Unix(12345, 3000),
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time.Unix(12345, 4000),
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},
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},
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{
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name: "increment second",
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start: time.Unix(12345, 1000),
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step: time.Second,
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wants: []time.Time{
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time.Unix(12345, 1000),
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time.Unix(12346, 1000),
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time.Unix(12347, 1000),
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time.Unix(12348, 1000),
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},
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},
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{
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name: "no increment",
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start: time.Unix(12345, 1000),
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wants: []time.Time{
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time.Unix(12345, 1000),
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time.Unix(12345, 1000),
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time.Unix(12345, 1000),
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time.Unix(12345, 1000),
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},
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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clock := NewClock(ClockOpts{
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Start: tt.start,
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Step: tt.step,
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})
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if start := clock.GetStart(); !start.Equal(tt.start) {
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t.Errorf("clock has start %v, want %v", start, tt.start)
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}
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if step := clock.GetStep(); step != tt.step {
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t.Errorf("clock has step %v, want %v", step, tt.step)
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}
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for i := range tt.wants {
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if got := clock.Now(); !got.Equal(tt.wants[i]) {
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t.Errorf("step %v: clock.Now() = %v, want %v", i, got, tt.wants[i])
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}
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if got := clock.PeekNow(); !got.Equal(tt.wants[i]) {
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t.Errorf("step %v: clock.PeekNow() = %v, want %v", i, got, tt.wants[i])
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}
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}
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})
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}
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}
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func TestClockWithDefaultStartTime(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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step time.Duration
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wants []time.Duration // The return values of sequential calls to Now() after added to Start()
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}{
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{
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name: "increment ms",
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step: 1000,
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wants: []time.Duration{
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0,
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1000,
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2000,
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3000,
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},
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},
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{
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name: "increment second",
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step: time.Second,
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wants: []time.Duration{
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0 * time.Second,
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1 * time.Second,
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2 * time.Second,
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3 * time.Second,
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},
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},
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{
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name: "no increment",
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wants: []time.Duration{0, 0, 0, 0},
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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clock := NewClock(ClockOpts{
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Step: tt.step,
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})
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start := clock.GetStart()
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if step := clock.GetStep(); step != tt.step {
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t.Errorf("clock has step %v, want %v", step, tt.step)
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}
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for i := range tt.wants {
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want := start.Add(tt.wants[i])
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if got := clock.Now(); !got.Equal(want) {
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t.Errorf("step %v: clock.Now() = %v, want %v", i, got, tt.wants[i])
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}
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if got := clock.PeekNow(); !got.Equal(want) {
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t.Errorf("step %v: clock.PeekNow() = %v, want %v", i, got, tt.wants[i])
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}
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}
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})
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}
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}
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func TestZeroInitClock(t *testing.T) {
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t.Parallel()
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var clock Clock
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start := clock.GetStart()
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if step := clock.GetStep(); step != 0 {
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t.Errorf("clock has step %v, want 0", step)
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}
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for i := 0; i < 10; i++ {
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if got := clock.Now(); !got.Equal(start) {
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t.Errorf("step %v: clock.Now() = %v, want %v", i, got, start)
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}
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if got := clock.PeekNow(); !got.Equal(start) {
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t.Errorf("step %v: clock.PeekNow() = %v, want %v", i, got, start)
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}
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}
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}
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func TestClockSetStep(t *testing.T) {
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t.Parallel()
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type stepInfo struct {
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when int
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step time.Duration
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}
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tests := []struct {
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name string
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start time.Time
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step time.Duration
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stepChanges []stepInfo
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wants []time.Time // The return values of sequential calls to Now().
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}{
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{
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name: "increment ms then s",
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start: time.Unix(12345, 1000),
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step: 1000,
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stepChanges: []stepInfo{
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{
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when: 4,
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step: time.Second,
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},
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},
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wants: []time.Time{
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time.Unix(12345, 1000),
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time.Unix(12345, 2000),
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time.Unix(12345, 3000),
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time.Unix(12345, 4000),
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time.Unix(12346, 4000),
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time.Unix(12347, 4000),
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time.Unix(12348, 4000),
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time.Unix(12349, 4000),
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},
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},
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{
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name: "multiple changes over time",
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start: time.Unix(12345, 1000),
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step: 1,
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stepChanges: []stepInfo{
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{
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when: 2,
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step: time.Second,
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},
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{
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when: 4,
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step: 0,
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},
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{
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when: 6,
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step: 1000,
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},
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},
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wants: []time.Time{
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time.Unix(12345, 1000),
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time.Unix(12345, 1001),
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time.Unix(12346, 1001),
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time.Unix(12347, 1001),
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time.Unix(12347, 1001),
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time.Unix(12347, 1001),
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time.Unix(12347, 2001),
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time.Unix(12347, 3001),
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},
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},
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{
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name: "multiple changes at once",
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start: time.Unix(12345, 1000),
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step: 1,
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stepChanges: []stepInfo{
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{
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when: 2,
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step: time.Second,
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},
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{
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when: 2,
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step: 0,
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},
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{
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when: 2,
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step: 1000,
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},
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},
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wants: []time.Time{
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time.Unix(12345, 1000),
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time.Unix(12345, 1001),
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time.Unix(12345, 2001),
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time.Unix(12345, 3001),
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},
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},
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{
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name: "changes at start",
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start: time.Unix(12345, 1000),
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step: 0,
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stepChanges: []stepInfo{
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{
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when: 0,
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step: time.Second,
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},
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{
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when: 0,
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step: 1000,
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},
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},
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wants: []time.Time{
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time.Unix(12345, 1000),
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time.Unix(12345, 2000),
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time.Unix(12345, 3000),
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time.Unix(12345, 4000),
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},
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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clock := NewClock(ClockOpts{
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Start: tt.start,
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Step: tt.step,
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})
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wantStep := tt.step
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changeIndex := 0
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for i := range tt.wants {
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for len(tt.stepChanges) > changeIndex && tt.stepChanges[changeIndex].when == i {
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wantStep = tt.stepChanges[changeIndex].step
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clock.SetStep(wantStep)
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changeIndex++
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}
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if start := clock.GetStart(); !start.Equal(tt.start) {
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t.Errorf("clock has start %v, want %v", start, tt.start)
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}
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if step := clock.GetStep(); step != wantStep {
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t.Errorf("clock has step %v, want %v", step, tt.step)
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}
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if got := clock.Now(); !got.Equal(tt.wants[i]) {
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t.Errorf("step %v: clock.Now() = %v, want %v", i, got, tt.wants[i])
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}
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if got := clock.PeekNow(); !got.Equal(tt.wants[i]) {
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t.Errorf("step %v: clock.PeekNow() = %v, want %v", i, got, tt.wants[i])
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}
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}
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})
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}
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}
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func TestClockAdvance(t *testing.T) {
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t.Parallel()
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type advanceInfo struct {
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when int
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advance time.Duration
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}
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tests := []struct {
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name string
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start time.Time
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step time.Duration
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advances []advanceInfo
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wants []time.Time // The return values of sequential calls to Now().
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}{
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{
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name: "increment ms then advance 1s",
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start: time.Unix(12345, 1000),
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step: 1000,
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advances: []advanceInfo{
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{
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when: 4,
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advance: time.Second,
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},
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},
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wants: []time.Time{
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time.Unix(12345, 1000),
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time.Unix(12345, 2000),
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time.Unix(12345, 3000),
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time.Unix(12345, 4000),
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time.Unix(12346, 4000),
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time.Unix(12346, 5000),
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time.Unix(12346, 6000),
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time.Unix(12346, 7000),
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},
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},
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{
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name: "multiple advances over time",
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start: time.Unix(12345, 1000),
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step: 1,
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advances: []advanceInfo{
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{
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when: 2,
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advance: time.Second,
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},
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{
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when: 4,
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advance: 0,
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},
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{
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when: 6,
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advance: 1000,
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},
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},
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wants: []time.Time{
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time.Unix(12345, 1000),
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time.Unix(12345, 1001),
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time.Unix(12346, 1001),
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time.Unix(12346, 1002),
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time.Unix(12346, 1002),
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time.Unix(12346, 1003),
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time.Unix(12346, 2003),
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time.Unix(12346, 2004),
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},
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},
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{
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name: "multiple advances at once",
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start: time.Unix(12345, 1000),
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step: 1,
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advances: []advanceInfo{
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{
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when: 2,
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advance: time.Second,
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},
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{
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when: 2,
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advance: 0,
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},
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{
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when: 2,
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advance: 1000,
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},
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},
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wants: []time.Time{
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time.Unix(12345, 1000),
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time.Unix(12345, 1001),
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time.Unix(12346, 2001),
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time.Unix(12346, 2002),
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},
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},
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{
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name: "changes at start",
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start: time.Unix(12345, 1000),
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step: 5,
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advances: []advanceInfo{
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{
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when: 0,
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advance: time.Second,
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},
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{
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when: 0,
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advance: 1000,
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},
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},
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wants: []time.Time{
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time.Unix(12346, 2000),
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time.Unix(12346, 2005),
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time.Unix(12346, 2010),
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time.Unix(12346, 2015),
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},
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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clock := NewClock(ClockOpts{
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Start: tt.start,
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Step: tt.step,
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})
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wantStep := tt.step
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changeIndex := 0
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for i := range tt.wants {
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for len(tt.advances) > changeIndex && tt.advances[changeIndex].when == i {
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clock.Advance(tt.advances[changeIndex].advance)
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changeIndex++
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}
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if start := clock.GetStart(); !start.Equal(tt.start) {
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t.Errorf("clock has start %v, want %v", start, tt.start)
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}
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if step := clock.GetStep(); step != wantStep {
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t.Errorf("clock has step %v, want %v", step, tt.step)
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}
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if got := clock.Now(); !got.Equal(tt.wants[i]) {
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t.Errorf("step %v: clock.Now() = %v, want %v", i, got, tt.wants[i])
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}
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if got := clock.PeekNow(); !got.Equal(tt.wants[i]) {
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t.Errorf("step %v: clock.PeekNow() = %v, want %v", i, got, tt.wants[i])
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}
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}
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})
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}
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}
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|
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func expectNoTicks(t *testing.T, tickC <-chan time.Time) {
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t.Helper()
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select {
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case tick := <-tickC:
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t.Errorf("wanted no ticks, got %v", tick)
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default:
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}
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}
|
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|
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func TestSingleTicker(t *testing.T) {
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t.Parallel()
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|
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type testStep struct {
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stop bool
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reset time.Duration
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resetAbsolute time.Time
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setStep time.Duration
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|
advance time.Duration
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advanceRealTime time.Duration
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|
wantTime time.Time
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wantTicks []time.Time
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}
|
|
|
|
tests := []struct {
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name string
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realTimeOpts *ClockOpts
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start time.Time
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step time.Duration
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period time.Duration
|
|
channelSize int
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|
steps []testStep
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}{
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{
|
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name: "no tick advance",
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start: time.Unix(12345, 0),
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period: time.Second,
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steps: []testStep{
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{
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advance: time.Second - 1,
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wantTime: time.Unix(12345, 999_999_999),
|
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},
|
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},
|
|
},
|
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{
|
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name: "no tick step",
|
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start: time.Unix(12345, 0),
|
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step: time.Second - 1,
|
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period: time.Second,
|
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steps: []testStep{
|
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{
|
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wantTime: time.Unix(12345, 0),
|
|
},
|
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{
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wantTime: time.Unix(12345, 999_999_999),
|
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},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick advance exact",
|
|
start: time.Unix(12345, 0),
|
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period: time.Second,
|
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steps: []testStep{
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{
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advance: time.Second,
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wantTime: time.Unix(12346, 0),
|
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wantTicks: []time.Time{time.Unix(12346, 0)},
|
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},
|
|
},
|
|
},
|
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{
|
|
name: "single tick advance extra",
|
|
start: time.Unix(12345, 0),
|
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period: time.Second,
|
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steps: []testStep{
|
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{
|
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advance: time.Second + 1,
|
|
wantTime: time.Unix(12346, 1),
|
|
wantTicks: []time.Time{time.Unix(12346, 0)},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick step exact",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second,
|
|
period: time.Second,
|
|
steps: []testStep{
|
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{
|
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wantTime: time.Unix(12345, 0),
|
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},
|
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{
|
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wantTime: time.Unix(12346, 0),
|
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wantTicks: []time.Time{time.Unix(12346, 0)},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick step extra",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second + 1,
|
|
period: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12346, 1),
|
|
wantTicks: []time.Time{time.Unix(12346, 0)},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick per advance",
|
|
start: time.Unix(12345, 0),
|
|
period: 3 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
advance: 4 * time.Second,
|
|
wantTime: time.Unix(12349, 0),
|
|
wantTicks: []time.Time{time.Unix(12348, 0)},
|
|
},
|
|
{
|
|
advance: 2 * time.Second,
|
|
wantTime: time.Unix(12351, 0),
|
|
wantTicks: []time.Time{time.Unix(12351, 0)},
|
|
},
|
|
{
|
|
advance: 2 * time.Second,
|
|
wantTime: time.Unix(12353, 0),
|
|
},
|
|
{
|
|
advance: 2 * time.Second,
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTicks: []time.Time{time.Unix(12354, 0)},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick per step",
|
|
start: time.Unix(12345, 0),
|
|
step: 2 * time.Second,
|
|
period: 3 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12349, 0),
|
|
wantTicks: []time.Time{time.Unix(12348, 0)},
|
|
},
|
|
{
|
|
wantTime: time.Unix(12351, 0),
|
|
wantTicks: []time.Time{time.Unix(12351, 0)},
|
|
},
|
|
{
|
|
wantTime: time.Unix(12353, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTicks: []time.Time{time.Unix(12354, 0)},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "multiple tick per advance",
|
|
start: time.Unix(12345, 0),
|
|
period: time.Second,
|
|
channelSize: 3,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
advance: 2 * time.Second,
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12346, 0),
|
|
time.Unix(12347, 0),
|
|
},
|
|
},
|
|
{
|
|
advance: 4 * time.Second,
|
|
wantTime: time.Unix(12351, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12348, 0),
|
|
time.Unix(12349, 0),
|
|
time.Unix(12350, 0),
|
|
// fourth tick dropped due to channel size
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "multiple tick per step",
|
|
start: time.Unix(12345, 0),
|
|
step: 3 * time.Second,
|
|
period: 2 * time.Second,
|
|
channelSize: 3,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12348, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12347, 0),
|
|
},
|
|
},
|
|
{
|
|
wantTime: time.Unix(12351, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12349, 0),
|
|
time.Unix(12351, 0),
|
|
},
|
|
},
|
|
{
|
|
wantTime: time.Unix(12354, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12353, 0),
|
|
},
|
|
},
|
|
{
|
|
wantTime: time.Unix(12357, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12355, 0),
|
|
time.Unix(12357, 0),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "stop",
|
|
start: time.Unix(12345, 0),
|
|
step: 2 * time.Second,
|
|
period: time.Second,
|
|
channelSize: 3,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12346, 0),
|
|
time.Unix(12347, 0),
|
|
},
|
|
},
|
|
{
|
|
stop: true,
|
|
wantTime: time.Unix(12349, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12351, 0),
|
|
},
|
|
{
|
|
advance: 10 * time.Second,
|
|
wantTime: time.Unix(12361, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset while running",
|
|
start: time.Unix(12345, 0),
|
|
period: 2 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
wantTime: time.Unix(12346, 0),
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12347, 0),
|
|
},
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
reset: time.Second,
|
|
wantTime: time.Unix(12348, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12348, 0),
|
|
},
|
|
},
|
|
{
|
|
setStep: 5 * time.Second,
|
|
reset: 10 * time.Second,
|
|
wantTime: time.Unix(12353, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12358, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12358, 0),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset while stopped",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second,
|
|
period: 2 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12346, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12347, 0),
|
|
},
|
|
},
|
|
{
|
|
stop: true,
|
|
wantTime: time.Unix(12348, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12349, 0),
|
|
},
|
|
{
|
|
reset: time.Second,
|
|
wantTime: time.Unix(12350, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12350, 0),
|
|
},
|
|
},
|
|
{
|
|
wantTime: time.Unix(12351, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12351, 0),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset absolute",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second,
|
|
period: 2 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12346, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12347, 0),
|
|
},
|
|
},
|
|
{
|
|
reset: time.Second,
|
|
resetAbsolute: time.Unix(12354, 50),
|
|
advance: 7 * time.Second,
|
|
wantTime: time.Unix(12354, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12354, 50),
|
|
},
|
|
},
|
|
{
|
|
wantTime: time.Unix(12356, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12355, 50),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "follow real time",
|
|
realTimeOpts: new(ClockOpts),
|
|
start: time.Unix(12345, 0),
|
|
period: 2 * time.Second,
|
|
channelSize: 3,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
advanceRealTime: 5 * time.Second,
|
|
wantTime: time.Unix(12350, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12347, 0),
|
|
time.Unix(12349, 0),
|
|
},
|
|
},
|
|
{
|
|
advance: 5 * time.Second,
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12351, 0),
|
|
time.Unix(12353, 0),
|
|
time.Unix(12355, 0),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
tt := tt
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
t.Parallel()
|
|
var realTimeClockForTestClock tstime.Clock
|
|
var realTimeClock *Clock
|
|
if tt.realTimeOpts != nil {
|
|
realTimeClock = NewClock(*tt.realTimeOpts)
|
|
// Passing realTimeClock into newClockInternal results in a
|
|
// non-nil interface with a nil pointer, so this is necessary.
|
|
realTimeClockForTestClock = realTimeClock
|
|
}
|
|
|
|
clock := newClockInternal(ClockOpts{
|
|
Start: tt.start,
|
|
Step: tt.step,
|
|
TimerChannelSize: tt.channelSize,
|
|
FollowRealTime: realTimeClock != nil,
|
|
}, realTimeClockForTestClock)
|
|
tc, tickC := clock.NewTicker(tt.period)
|
|
tickControl := tc.(*Ticker)
|
|
|
|
t.Cleanup(tickControl.Stop)
|
|
|
|
expectNoTicks(t, tickC)
|
|
|
|
for i, step := range tt.steps {
|
|
if step.stop {
|
|
tickControl.Stop()
|
|
}
|
|
|
|
if !step.resetAbsolute.IsZero() {
|
|
tickControl.ResetAbsolute(step.resetAbsolute, step.reset)
|
|
} else if step.reset > 0 {
|
|
tickControl.Reset(step.reset)
|
|
}
|
|
|
|
if step.setStep > 0 {
|
|
clock.SetStep(step.setStep)
|
|
}
|
|
|
|
if step.advance > 0 {
|
|
clock.Advance(step.advance)
|
|
}
|
|
if step.advanceRealTime > 0 {
|
|
realTimeClock.Advance(step.advanceRealTime)
|
|
}
|
|
|
|
if now := clock.Now(); !step.wantTime.IsZero() && !now.Equal(step.wantTime) {
|
|
t.Errorf("step %v now = %v, want %v", i, now, step.wantTime)
|
|
}
|
|
|
|
for j, want := range step.wantTicks {
|
|
select {
|
|
case tick := <-tickC:
|
|
if tick.Equal(want) {
|
|
continue
|
|
}
|
|
t.Errorf("step %v tick %v = %v, want %v", i, j, tick, want)
|
|
default:
|
|
t.Errorf("step %v tick %v missing", i, j)
|
|
}
|
|
}
|
|
|
|
expectNoTicks(t, tickC)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestSingleTimer(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
type testStep struct {
|
|
stop bool
|
|
stopReturn bool // The expected return value for Stop() if stop is true.
|
|
reset time.Duration
|
|
resetAbsolute time.Time
|
|
resetReturn bool // The expected return value for Reset() or ResetAbsolute().
|
|
setStep time.Duration
|
|
advance time.Duration
|
|
advanceRealTime time.Duration
|
|
wantTime time.Time
|
|
wantTicks []time.Time
|
|
}
|
|
|
|
tests := []struct {
|
|
name string
|
|
realTimeOpts *ClockOpts
|
|
start time.Time
|
|
step time.Duration
|
|
delay time.Duration
|
|
steps []testStep
|
|
}{
|
|
{
|
|
name: "no tick advance",
|
|
start: time.Unix(12345, 0),
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
advance: time.Second - 1,
|
|
wantTime: time.Unix(12345, 999_999_999),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "no tick step",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second - 1,
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12345, 999_999_999),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick advance exact",
|
|
start: time.Unix(12345, 0),
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
advance: time.Second,
|
|
wantTime: time.Unix(12346, 0),
|
|
wantTicks: []time.Time{time.Unix(12346, 0)},
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick advance extra",
|
|
start: time.Unix(12345, 0),
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
advance: time.Second + 1,
|
|
wantTime: time.Unix(12346, 1),
|
|
wantTicks: []time.Time{time.Unix(12346, 0)},
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
wantTime: time.Unix(12347, 1),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick step exact",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second,
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12346, 0),
|
|
wantTicks: []time.Time{time.Unix(12346, 0)},
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick step extra",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second + 1,
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12346, 1),
|
|
wantTicks: []time.Time{time.Unix(12346, 0)},
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 2),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset for single tick per advance",
|
|
start: time.Unix(12345, 0),
|
|
delay: 3 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
advance: 4 * time.Second,
|
|
wantTime: time.Unix(12349, 0),
|
|
wantTicks: []time.Time{time.Unix(12348, 0)},
|
|
},
|
|
{
|
|
resetAbsolute: time.Unix(12351, 0),
|
|
advance: 2 * time.Second,
|
|
wantTime: time.Unix(12351, 0),
|
|
wantTicks: []time.Time{time.Unix(12351, 0)},
|
|
},
|
|
{
|
|
reset: 3 * time.Second,
|
|
advance: 2 * time.Second,
|
|
wantTime: time.Unix(12353, 0),
|
|
},
|
|
{
|
|
advance: 2 * time.Second,
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTicks: []time.Time{time.Unix(12354, 0)},
|
|
},
|
|
{
|
|
advance: 10 * time.Second,
|
|
wantTime: time.Unix(12365, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset for single tick per step",
|
|
start: time.Unix(12345, 0),
|
|
step: 2 * time.Second,
|
|
delay: 3 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12349, 0),
|
|
wantTicks: []time.Time{time.Unix(12348, 0)},
|
|
},
|
|
{
|
|
reset: time.Second,
|
|
wantTime: time.Unix(12351, 0),
|
|
wantTicks: []time.Time{time.Unix(12350, 0)},
|
|
},
|
|
{
|
|
resetAbsolute: time.Unix(12354, 0),
|
|
wantTime: time.Unix(12353, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTicks: []time.Time{time.Unix(12354, 0)},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset while active",
|
|
start: time.Unix(12345, 0),
|
|
step: 2 * time.Second,
|
|
delay: 3 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
{
|
|
reset: 3 * time.Second,
|
|
resetReturn: true,
|
|
wantTime: time.Unix(12349, 0),
|
|
},
|
|
{
|
|
resetAbsolute: time.Unix(12354, 0),
|
|
resetReturn: true,
|
|
wantTime: time.Unix(12351, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12353, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTicks: []time.Time{time.Unix(12354, 0)},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "stop after fire",
|
|
start: time.Unix(12345, 0),
|
|
step: 2 * time.Second,
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTicks: []time.Time{time.Unix(12346, 0)},
|
|
},
|
|
{
|
|
stop: true,
|
|
wantTime: time.Unix(12349, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12351, 0),
|
|
},
|
|
{
|
|
advance: 10 * time.Second,
|
|
wantTime: time.Unix(12361, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "stop before fire",
|
|
start: time.Unix(12345, 0),
|
|
step: 2 * time.Second,
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
stop: true,
|
|
stopReturn: true,
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12349, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12351, 0),
|
|
},
|
|
{
|
|
advance: 10 * time.Second,
|
|
wantTime: time.Unix(12361, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "stop after reset",
|
|
start: time.Unix(12345, 0),
|
|
step: 2 * time.Second,
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTicks: []time.Time{time.Unix(12346, 0)},
|
|
},
|
|
{
|
|
reset: 10 * time.Second,
|
|
wantTime: time.Unix(12349, 0),
|
|
},
|
|
{
|
|
stop: true,
|
|
stopReturn: true,
|
|
wantTime: time.Unix(12351, 0),
|
|
},
|
|
{
|
|
advance: 10 * time.Second,
|
|
wantTime: time.Unix(12361, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset while running",
|
|
start: time.Unix(12345, 0),
|
|
delay: 2 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
wantTime: time.Unix(12346, 0),
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12347, 0),
|
|
},
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
reset: time.Second,
|
|
wantTime: time.Unix(12348, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12348, 0),
|
|
},
|
|
},
|
|
{
|
|
setStep: 5 * time.Second,
|
|
reset: 10 * time.Second,
|
|
wantTime: time.Unix(12353, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12358, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12358, 0),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset while stopped",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second,
|
|
delay: 2 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12346, 0),
|
|
},
|
|
{
|
|
stop: true,
|
|
stopReturn: true,
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12348, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12349, 0),
|
|
},
|
|
{
|
|
reset: time.Second,
|
|
wantTime: time.Unix(12350, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12350, 0),
|
|
},
|
|
},
|
|
{
|
|
wantTime: time.Unix(12351, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset absolute",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second,
|
|
delay: 2 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12346, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12347, 0),
|
|
},
|
|
},
|
|
{
|
|
resetAbsolute: time.Unix(12354, 50),
|
|
advance: 7 * time.Second,
|
|
wantTime: time.Unix(12354, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12354, 50),
|
|
},
|
|
},
|
|
{
|
|
wantTime: time.Unix(12356, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "follow real time",
|
|
realTimeOpts: new(ClockOpts),
|
|
start: time.Unix(12345, 0),
|
|
delay: 2 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
advanceRealTime: 5 * time.Second,
|
|
wantTime: time.Unix(12350, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12347, 0),
|
|
},
|
|
},
|
|
{
|
|
reset: 2 * time.Second,
|
|
advance: 5 * time.Second,
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTicks: []time.Time{
|
|
time.Unix(12352, 0),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
tt := tt
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
t.Parallel()
|
|
var realTimeClockForTestClock tstime.Clock
|
|
var realTimeClock *Clock
|
|
if tt.realTimeOpts != nil {
|
|
realTimeClock = NewClock(*tt.realTimeOpts)
|
|
// Passing realTimeClock into newClockInternal results in a
|
|
// non-nil interface with a nil pointer, so this is necessary.
|
|
realTimeClockForTestClock = realTimeClock
|
|
}
|
|
|
|
clock := newClockInternal(ClockOpts{
|
|
Start: tt.start,
|
|
Step: tt.step,
|
|
FollowRealTime: realTimeClock != nil,
|
|
}, realTimeClockForTestClock)
|
|
tc, tickC := clock.NewTimer(tt.delay)
|
|
timerControl := tc.(*Timer)
|
|
|
|
t.Cleanup(func() { timerControl.Stop() })
|
|
|
|
expectNoTicks(t, tickC)
|
|
|
|
for i, step := range tt.steps {
|
|
if step.stop {
|
|
if got := timerControl.Stop(); got != step.stopReturn {
|
|
t.Errorf("step %v Stop returned %v, want %v", i, got, step.stopReturn)
|
|
}
|
|
}
|
|
|
|
if !step.resetAbsolute.IsZero() {
|
|
if got := timerControl.ResetAbsolute(step.resetAbsolute); got != step.resetReturn {
|
|
t.Errorf("step %v Reset returned %v, want %v", i, got, step.resetReturn)
|
|
}
|
|
}
|
|
|
|
if step.reset > 0 {
|
|
if got := timerControl.Reset(step.reset); got != step.resetReturn {
|
|
t.Errorf("step %v Reset returned %v, want %v", i, got, step.resetReturn)
|
|
}
|
|
}
|
|
|
|
if step.setStep > 0 {
|
|
clock.SetStep(step.setStep)
|
|
}
|
|
|
|
if step.advance > 0 {
|
|
clock.Advance(step.advance)
|
|
}
|
|
if step.advanceRealTime > 0 {
|
|
realTimeClock.Advance(step.advanceRealTime)
|
|
}
|
|
|
|
if now := clock.Now(); !step.wantTime.IsZero() && !now.Equal(step.wantTime) {
|
|
t.Errorf("step %v now = %v, want %v", i, now, step.wantTime)
|
|
}
|
|
|
|
for j, want := range step.wantTicks {
|
|
select {
|
|
case tick := <-tickC:
|
|
if tick.Equal(want) {
|
|
continue
|
|
}
|
|
t.Errorf("step %v tick %v = %v, want %v", i, j, tick, want)
|
|
default:
|
|
t.Errorf("step %v tick %v missing", i, j)
|
|
}
|
|
}
|
|
|
|
expectNoTicks(t, tickC)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
type testEvent struct {
|
|
fireTimes []time.Time
|
|
scheduleTimes []time.Time
|
|
}
|
|
|
|
func (te *testEvent) Fire(t time.Time) time.Time {
|
|
var ret time.Time
|
|
|
|
te.fireTimes = append(te.fireTimes, t)
|
|
if len(te.scheduleTimes) > 0 {
|
|
ret = te.scheduleTimes[0]
|
|
te.scheduleTimes = te.scheduleTimes[1:]
|
|
}
|
|
return ret
|
|
}
|
|
|
|
func TestEventManager(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
var em eventManager
|
|
|
|
testEvents := []testEvent{
|
|
{
|
|
scheduleTimes: []time.Time{
|
|
time.Unix(12300, 0), // step 1
|
|
time.Unix(12340, 0), // step 1
|
|
time.Unix(12345, 0), // step 1
|
|
time.Unix(12346, 0), // step 1
|
|
time.Unix(12347, 0), // step 3
|
|
time.Unix(12348, 0), // step 4
|
|
time.Unix(12349, 0), // step 4
|
|
},
|
|
},
|
|
{
|
|
scheduleTimes: []time.Time{
|
|
time.Unix(12350, 0), // step 4
|
|
time.Unix(12360, 0), // step 5
|
|
time.Unix(12370, 0), // rescheduled
|
|
time.Unix(12380, 0), // step 6
|
|
time.Unix(12381, 0), // step 6
|
|
time.Unix(12382, 0), // step 6
|
|
time.Unix(12393, 0), // stopped
|
|
},
|
|
},
|
|
{
|
|
scheduleTimes: []time.Time{
|
|
time.Unix(12350, 1), // step 4
|
|
time.Unix(12360, 1), // rescheduled
|
|
time.Unix(12370, 1), // step 6
|
|
time.Unix(12380, 1), // step 6
|
|
time.Unix(12381, 1), // step 6
|
|
time.Unix(12382, 1), // step 6
|
|
time.Unix(12383, 1), // step 6
|
|
},
|
|
},
|
|
{
|
|
scheduleTimes: []time.Time{
|
|
time.Unix(12355, 0), // step 5
|
|
time.Unix(12365, 0), // step 5
|
|
time.Unix(12370, 0), // step 6
|
|
time.Unix(12390, 0), // step 6
|
|
time.Unix(12391, 0), // step 7
|
|
time.Unix(12392, 0), // step 7
|
|
time.Unix(12393, 0), // step 7
|
|
},
|
|
},
|
|
{
|
|
scheduleTimes: []time.Time{
|
|
time.Unix(100000, 0), // step 7
|
|
},
|
|
},
|
|
{
|
|
scheduleTimes: []time.Time{
|
|
time.Unix(12346, 0), // step 1
|
|
},
|
|
},
|
|
{
|
|
scheduleTimes: []time.Time{
|
|
time.Unix(12305, 0), // step 5
|
|
},
|
|
},
|
|
{
|
|
scheduleTimes: []time.Time{
|
|
time.Unix(12372, 0), // step 6
|
|
time.Unix(12374, 0), // step 6
|
|
time.Unix(12376, 0), // step 6
|
|
time.Unix(12386, 0), // step 6
|
|
time.Unix(12396, 0), // step 7
|
|
},
|
|
},
|
|
}
|
|
|
|
steps := []struct {
|
|
reschedule []int
|
|
stop []int
|
|
advanceTo time.Time
|
|
want map[int][]time.Time
|
|
waitingEvents int
|
|
}{
|
|
{
|
|
advanceTo: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
reschedule: []int{0, 1, 2, 3, 4, 5}, // add 0, 1, 2, 3, 4, 5
|
|
advanceTo: time.Unix(12346, 0),
|
|
want: map[int][]time.Time{
|
|
0: {
|
|
time.Unix(12300, 0),
|
|
time.Unix(12340, 0),
|
|
time.Unix(12345, 0),
|
|
time.Unix(12346, 0),
|
|
},
|
|
5: {
|
|
time.Unix(12346, 0),
|
|
},
|
|
},
|
|
waitingEvents: 5, // scheduled 0, 1, 2, 3, 4, 5; retired 5
|
|
},
|
|
{
|
|
advanceTo: time.Unix(12346, 50),
|
|
waitingEvents: 5, // no change
|
|
},
|
|
{
|
|
advanceTo: time.Unix(12347, 50),
|
|
want: map[int][]time.Time{
|
|
0: {
|
|
time.Unix(12347, 0),
|
|
},
|
|
},
|
|
waitingEvents: 5, // no change
|
|
},
|
|
{
|
|
advanceTo: time.Unix(12350, 50),
|
|
want: map[int][]time.Time{
|
|
0: {
|
|
time.Unix(12348, 0),
|
|
time.Unix(12349, 0),
|
|
},
|
|
1: {
|
|
time.Unix(12350, 0),
|
|
},
|
|
2: {
|
|
time.Unix(12350, 1),
|
|
},
|
|
},
|
|
waitingEvents: 4, // retired 0
|
|
},
|
|
{
|
|
reschedule: []int{6, 7}, // add 6, 7
|
|
stop: []int{2},
|
|
advanceTo: time.Unix(12365, 0),
|
|
want: map[int][]time.Time{
|
|
1: {
|
|
time.Unix(12360, 0),
|
|
},
|
|
3: {
|
|
time.Unix(12355, 0),
|
|
time.Unix(12365, 0),
|
|
},
|
|
6: {
|
|
time.Unix(12305, 0),
|
|
},
|
|
},
|
|
waitingEvents: 4, // scheduled 6, 7; retired 2, 5
|
|
},
|
|
{
|
|
reschedule: []int{1, 2}, // update 1; add 2
|
|
stop: []int{6},
|
|
advanceTo: time.Unix(12390, 0),
|
|
want: map[int][]time.Time{
|
|
1: {
|
|
time.Unix(12380, 0),
|
|
time.Unix(12381, 0),
|
|
time.Unix(12382, 0),
|
|
},
|
|
2: {
|
|
time.Unix(12370, 1),
|
|
time.Unix(12380, 1),
|
|
time.Unix(12381, 1),
|
|
time.Unix(12382, 1),
|
|
time.Unix(12383, 1),
|
|
},
|
|
3: {
|
|
time.Unix(12370, 0),
|
|
time.Unix(12390, 0),
|
|
},
|
|
7: {
|
|
time.Unix(12372, 0),
|
|
time.Unix(12374, 0),
|
|
time.Unix(12376, 0),
|
|
time.Unix(12386, 0),
|
|
},
|
|
},
|
|
waitingEvents: 3, // scheduled 2, retired 2, stopped 6
|
|
},
|
|
{
|
|
stop: []int{1}, // no-op: already stopped
|
|
advanceTo: time.Unix(200000, 0),
|
|
want: map[int][]time.Time{
|
|
3: {
|
|
time.Unix(12391, 0),
|
|
time.Unix(12392, 0),
|
|
time.Unix(12393, 0),
|
|
},
|
|
4: {
|
|
time.Unix(100000, 0),
|
|
},
|
|
7: {
|
|
time.Unix(12396, 0),
|
|
},
|
|
},
|
|
waitingEvents: 0, // retired 3, 4, 7
|
|
},
|
|
{
|
|
advanceTo: time.Unix(300000, 0),
|
|
},
|
|
}
|
|
|
|
for i, step := range steps {
|
|
for _, idx := range step.reschedule {
|
|
ev := &testEvents[idx]
|
|
t := ev.scheduleTimes[0]
|
|
ev.scheduleTimes = ev.scheduleTimes[1:]
|
|
em.Reschedule(ev, t)
|
|
}
|
|
for _, idx := range step.stop {
|
|
ev := &testEvents[idx]
|
|
em.Reschedule(ev, time.Time{})
|
|
}
|
|
em.AdvanceTo(step.advanceTo)
|
|
for j := range testEvents {
|
|
if !slices.Equal(testEvents[j].fireTimes, step.want[j]) {
|
|
t.Errorf("step %v event %v fire times = %v, want %v", i, j, testEvents[j].fireTimes, step.want[j])
|
|
}
|
|
testEvents[j].fireTimes = nil
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestClockFollowRealTime(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
type advanceInfo struct {
|
|
when int
|
|
advanceTestClock time.Duration
|
|
advanceTestClockTo time.Time
|
|
advanceRealTimeClock time.Duration
|
|
}
|
|
|
|
tests := []struct {
|
|
name string
|
|
start time.Time
|
|
wantStart time.Time // This may differ from start when start.IsZero().
|
|
realTimeClockOpts ClockOpts
|
|
advances []advanceInfo
|
|
wants []time.Time // The return values of sequential calls to Now().
|
|
}{
|
|
{
|
|
name: "increment ms then advance 1s",
|
|
start: time.Unix(12345, 1000),
|
|
wantStart: time.Unix(12345, 1000),
|
|
advances: []advanceInfo{
|
|
{
|
|
when: 1,
|
|
advanceRealTimeClock: 1000,
|
|
},
|
|
{
|
|
when: 2,
|
|
advanceRealTimeClock: 1000,
|
|
},
|
|
{
|
|
when: 3,
|
|
advanceRealTimeClock: 1000,
|
|
},
|
|
{
|
|
when: 4,
|
|
advanceTestClock: time.Second,
|
|
},
|
|
{
|
|
when: 5,
|
|
advanceRealTimeClock: 1000,
|
|
},
|
|
{
|
|
when: 6,
|
|
advanceRealTimeClock: 1000,
|
|
},
|
|
{
|
|
when: 7,
|
|
advanceRealTimeClock: 1000,
|
|
},
|
|
},
|
|
wants: []time.Time{
|
|
time.Unix(12345, 1000),
|
|
time.Unix(12345, 2000),
|
|
time.Unix(12345, 3000),
|
|
time.Unix(12345, 4000),
|
|
time.Unix(12346, 4000),
|
|
time.Unix(12346, 5000),
|
|
time.Unix(12346, 6000),
|
|
time.Unix(12346, 7000),
|
|
},
|
|
},
|
|
{
|
|
name: "multiple advances over time",
|
|
start: time.Unix(12345, 1000),
|
|
wantStart: time.Unix(12345, 1000),
|
|
advances: []advanceInfo{
|
|
{
|
|
when: 1,
|
|
advanceRealTimeClock: 1,
|
|
},
|
|
{
|
|
when: 2,
|
|
advanceTestClock: time.Second,
|
|
},
|
|
{
|
|
when: 3,
|
|
advanceRealTimeClock: 1,
|
|
},
|
|
{
|
|
when: 4,
|
|
advanceTestClock: 0,
|
|
},
|
|
{
|
|
when: 5,
|
|
advanceRealTimeClock: 1,
|
|
},
|
|
{
|
|
when: 6,
|
|
advanceTestClock: 1000,
|
|
},
|
|
{
|
|
when: 7,
|
|
advanceRealTimeClock: 1,
|
|
},
|
|
},
|
|
wants: []time.Time{
|
|
time.Unix(12345, 1000),
|
|
time.Unix(12345, 1001),
|
|
time.Unix(12346, 1001),
|
|
time.Unix(12346, 1002),
|
|
time.Unix(12346, 1002),
|
|
time.Unix(12346, 1003),
|
|
time.Unix(12346, 2003),
|
|
time.Unix(12346, 2004),
|
|
},
|
|
},
|
|
{
|
|
name: "multiple advances at once",
|
|
start: time.Unix(12345, 1000),
|
|
wantStart: time.Unix(12345, 1000),
|
|
advances: []advanceInfo{
|
|
{
|
|
when: 1,
|
|
advanceRealTimeClock: 1,
|
|
},
|
|
{
|
|
when: 2,
|
|
advanceTestClock: time.Second,
|
|
},
|
|
{
|
|
when: 2,
|
|
advanceTestClock: 0,
|
|
},
|
|
{
|
|
when: 2,
|
|
advanceTestClock: 1000,
|
|
},
|
|
{
|
|
when: 3,
|
|
advanceRealTimeClock: 1,
|
|
},
|
|
},
|
|
wants: []time.Time{
|
|
time.Unix(12345, 1000),
|
|
time.Unix(12345, 1001),
|
|
time.Unix(12346, 2001),
|
|
time.Unix(12346, 2002),
|
|
},
|
|
},
|
|
{
|
|
name: "changes at start",
|
|
start: time.Unix(12345, 1000),
|
|
wantStart: time.Unix(12345, 1000),
|
|
advances: []advanceInfo{
|
|
{
|
|
when: 0,
|
|
advanceTestClock: time.Second,
|
|
},
|
|
{
|
|
when: 0,
|
|
advanceTestClock: 1000,
|
|
},
|
|
{
|
|
when: 1,
|
|
advanceRealTimeClock: 5,
|
|
},
|
|
{
|
|
when: 2,
|
|
advanceRealTimeClock: 5,
|
|
},
|
|
{
|
|
when: 3,
|
|
advanceRealTimeClock: 5,
|
|
},
|
|
},
|
|
wants: []time.Time{
|
|
time.Unix(12346, 2000),
|
|
time.Unix(12346, 2005),
|
|
time.Unix(12346, 2010),
|
|
time.Unix(12346, 2015),
|
|
},
|
|
},
|
|
{
|
|
name: "start from current time",
|
|
realTimeClockOpts: ClockOpts{
|
|
Start: time.Unix(12345, 0),
|
|
},
|
|
wantStart: time.Unix(12345, 0),
|
|
advances: []advanceInfo{
|
|
{
|
|
when: 1,
|
|
advanceTestClock: time.Second,
|
|
},
|
|
{
|
|
when: 2,
|
|
advanceRealTimeClock: 10 * time.Second,
|
|
},
|
|
{
|
|
when: 3,
|
|
advanceTestClock: time.Minute,
|
|
},
|
|
{
|
|
when: 4,
|
|
advanceRealTimeClock: time.Hour,
|
|
},
|
|
{
|
|
when: 5,
|
|
advanceTestClockTo: time.Unix(100, 0),
|
|
},
|
|
{
|
|
when: 6,
|
|
advanceRealTimeClock: time.Hour,
|
|
},
|
|
},
|
|
wants: []time.Time{
|
|
time.Unix(12345, 0),
|
|
time.Unix(12346, 0),
|
|
time.Unix(12356, 0),
|
|
time.Unix(12416, 0),
|
|
time.Unix(16016, 0),
|
|
time.Unix(100, 0),
|
|
time.Unix(3700, 0),
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
tt := tt
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
t.Parallel()
|
|
realTimeClock := NewClock(tt.realTimeClockOpts)
|
|
clock := newClockInternal(ClockOpts{
|
|
Start: tt.start,
|
|
FollowRealTime: true,
|
|
}, realTimeClock)
|
|
changeIndex := 0
|
|
|
|
for i := range tt.wants {
|
|
for len(tt.advances) > changeIndex && tt.advances[changeIndex].when == i {
|
|
advance := tt.advances[changeIndex]
|
|
if advance.advanceTestClockTo.IsZero() {
|
|
clock.Advance(advance.advanceTestClock)
|
|
} else {
|
|
clock.AdvanceTo(advance.advanceTestClockTo)
|
|
}
|
|
realTimeClock.Advance(advance.advanceRealTimeClock)
|
|
changeIndex++
|
|
}
|
|
|
|
if start := clock.GetStart(); !start.Equal(tt.wantStart) {
|
|
t.Errorf("clock has start %v, want %v", start, tt.wantStart)
|
|
}
|
|
|
|
if got := clock.Now(); !got.Equal(tt.wants[i]) {
|
|
t.Errorf("step %v: clock.Now() = %v, want %v", i, got, tt.wants[i])
|
|
}
|
|
if got := clock.PeekNow(); !got.Equal(tt.wants[i]) {
|
|
t.Errorf("step %v: clock.PeekNow() = %v, want %v", i, got, tt.wants[i])
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestAfterFunc(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
type testStep struct {
|
|
stop bool
|
|
stopReturn bool // The expected return value for Stop() if stop is true.
|
|
reset time.Duration
|
|
resetAbsolute time.Time
|
|
resetReturn bool // The expected return value for Reset() or ResetAbsolute().
|
|
setStep time.Duration
|
|
advance time.Duration
|
|
advanceRealTime time.Duration
|
|
wantTime time.Time
|
|
wantTick bool
|
|
}
|
|
|
|
tests := []struct {
|
|
name string
|
|
realTimeOpts *ClockOpts
|
|
start time.Time
|
|
step time.Duration
|
|
delay time.Duration
|
|
steps []testStep
|
|
}{
|
|
{
|
|
name: "no tick advance",
|
|
start: time.Unix(12345, 0),
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
advance: time.Second - 1,
|
|
wantTime: time.Unix(12345, 999_999_999),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "no tick step",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second - 1,
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12345, 999_999_999),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick advance exact",
|
|
start: time.Unix(12345, 0),
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
advance: time.Second,
|
|
wantTime: time.Unix(12346, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick advance extra",
|
|
start: time.Unix(12345, 0),
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
advance: time.Second + 1,
|
|
wantTime: time.Unix(12346, 1),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
wantTime: time.Unix(12347, 1),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick step exact",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second,
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12346, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "single tick step extra",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second + 1,
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12346, 1),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 2),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset for single tick per advance",
|
|
start: time.Unix(12345, 0),
|
|
delay: 3 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
advance: 4 * time.Second,
|
|
wantTime: time.Unix(12349, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
resetAbsolute: time.Unix(12351, 0),
|
|
advance: 2 * time.Second,
|
|
wantTime: time.Unix(12351, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
reset: 3 * time.Second,
|
|
advance: 2 * time.Second,
|
|
wantTime: time.Unix(12353, 0),
|
|
},
|
|
{
|
|
advance: 2 * time.Second,
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
advance: 10 * time.Second,
|
|
wantTime: time.Unix(12365, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset for single tick per step",
|
|
start: time.Unix(12345, 0),
|
|
step: 2 * time.Second,
|
|
delay: 3 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12349, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
reset: time.Second,
|
|
wantTime: time.Unix(12351, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
resetAbsolute: time.Unix(12354, 0),
|
|
wantTime: time.Unix(12353, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTick: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset while active",
|
|
start: time.Unix(12345, 0),
|
|
step: 2 * time.Second,
|
|
delay: 3 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
{
|
|
reset: 3 * time.Second,
|
|
resetReturn: true,
|
|
wantTime: time.Unix(12349, 0),
|
|
},
|
|
{
|
|
resetAbsolute: time.Unix(12354, 0),
|
|
resetReturn: true,
|
|
wantTime: time.Unix(12351, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12353, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTick: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "stop after fire",
|
|
start: time.Unix(12345, 0),
|
|
step: 2 * time.Second,
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
stop: true,
|
|
wantTime: time.Unix(12349, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12351, 0),
|
|
},
|
|
{
|
|
advance: 10 * time.Second,
|
|
wantTime: time.Unix(12361, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "stop before fire",
|
|
start: time.Unix(12345, 0),
|
|
step: 2 * time.Second,
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
stop: true,
|
|
stopReturn: true,
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12349, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12351, 0),
|
|
},
|
|
{
|
|
advance: 10 * time.Second,
|
|
wantTime: time.Unix(12361, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "stop after reset",
|
|
start: time.Unix(12345, 0),
|
|
step: 2 * time.Second,
|
|
delay: time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
reset: 10 * time.Second,
|
|
wantTime: time.Unix(12349, 0),
|
|
},
|
|
{
|
|
stop: true,
|
|
stopReturn: true,
|
|
wantTime: time.Unix(12351, 0),
|
|
},
|
|
{
|
|
advance: 10 * time.Second,
|
|
wantTime: time.Unix(12361, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset while running",
|
|
start: time.Unix(12345, 0),
|
|
delay: 2 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
wantTime: time.Unix(12346, 0),
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
advance: time.Second,
|
|
reset: time.Second,
|
|
wantTime: time.Unix(12348, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
setStep: 5 * time.Second,
|
|
reset: 10 * time.Second,
|
|
wantTime: time.Unix(12353, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12358, 0),
|
|
wantTick: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset while stopped",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second,
|
|
delay: 2 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12346, 0),
|
|
},
|
|
{
|
|
stop: true,
|
|
stopReturn: true,
|
|
wantTime: time.Unix(12347, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12348, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12349, 0),
|
|
},
|
|
{
|
|
reset: time.Second,
|
|
wantTime: time.Unix(12350, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
wantTime: time.Unix(12351, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "reset absolute",
|
|
start: time.Unix(12345, 0),
|
|
step: time.Second,
|
|
delay: 2 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12346, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12347, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
resetAbsolute: time.Unix(12354, 50),
|
|
advance: 7 * time.Second,
|
|
wantTime: time.Unix(12354, 0),
|
|
},
|
|
{
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
wantTime: time.Unix(12356, 0),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "follow real time",
|
|
realTimeOpts: new(ClockOpts),
|
|
start: time.Unix(12345, 0),
|
|
delay: 2 * time.Second,
|
|
steps: []testStep{
|
|
{
|
|
wantTime: time.Unix(12345, 0),
|
|
},
|
|
{
|
|
advanceRealTime: 5 * time.Second,
|
|
wantTime: time.Unix(12350, 0),
|
|
wantTick: true,
|
|
},
|
|
{
|
|
reset: 2 * time.Second,
|
|
advance: 5 * time.Second,
|
|
wantTime: time.Unix(12355, 0),
|
|
wantTick: true,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
tt := tt
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
t.Parallel()
|
|
var realTimeClockForTestClock tstime.Clock
|
|
var realTimeClock *Clock
|
|
if tt.realTimeOpts != nil {
|
|
realTimeClock = NewClock(*tt.realTimeOpts)
|
|
// Passing realTimeClock into newClockInternal results in a
|
|
// non-nil interface with a nil pointer, so this is necessary.
|
|
realTimeClockForTestClock = realTimeClock
|
|
}
|
|
|
|
var gotTick atomic.Bool
|
|
|
|
clock := newClockInternal(ClockOpts{
|
|
Start: tt.start,
|
|
Step: tt.step,
|
|
FollowRealTime: realTimeClock != nil,
|
|
}, realTimeClockForTestClock)
|
|
tc := clock.AfterFunc(tt.delay, func() {
|
|
if gotTick.Swap(true) == true {
|
|
t.Error("multiple ticks detected")
|
|
}
|
|
})
|
|
timerControl := tc.(*Timer)
|
|
|
|
t.Cleanup(func() { timerControl.Stop() })
|
|
|
|
if gotTick.Load() {
|
|
t.Error("initial tick detected, want none")
|
|
}
|
|
|
|
for i, step := range tt.steps {
|
|
if step.stop {
|
|
if got := timerControl.Stop(); got != step.stopReturn {
|
|
t.Errorf("step %v Stop returned %v, want %v", i, got, step.stopReturn)
|
|
}
|
|
}
|
|
|
|
if !step.resetAbsolute.IsZero() {
|
|
if got := timerControl.ResetAbsolute(step.resetAbsolute); got != step.resetReturn {
|
|
t.Errorf("step %v Reset returned %v, want %v", i, got, step.resetReturn)
|
|
}
|
|
}
|
|
|
|
if step.reset > 0 {
|
|
if got := timerControl.Reset(step.reset); got != step.resetReturn {
|
|
t.Errorf("step %v Reset returned %v, want %v", i, got, step.resetReturn)
|
|
}
|
|
}
|
|
|
|
if step.setStep > 0 {
|
|
clock.SetStep(step.setStep)
|
|
}
|
|
|
|
if step.advance > 0 {
|
|
clock.Advance(step.advance)
|
|
}
|
|
if step.advanceRealTime > 0 {
|
|
realTimeClock.Advance(step.advanceRealTime)
|
|
}
|
|
|
|
if now := clock.Now(); !step.wantTime.IsZero() && !now.Equal(step.wantTime) {
|
|
t.Errorf("step %v now = %v, want %v", i, now, step.wantTime)
|
|
}
|
|
|
|
if got := gotTick.Swap(false); got != step.wantTick {
|
|
t.Errorf("step %v tick %v, want %v", i, got, step.wantTick)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestSince(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
tests := []struct {
|
|
name string
|
|
start time.Time
|
|
since time.Time
|
|
want time.Duration
|
|
}{
|
|
{
|
|
name: "positive",
|
|
start: time.Unix(12345, 1000),
|
|
since: time.Unix(11111, 1000),
|
|
want: 1234 * time.Second,
|
|
},
|
|
{
|
|
name: "negative",
|
|
start: time.Unix(12345, 1000),
|
|
since: time.Unix(15436, 1000),
|
|
want: -3091 * time.Second,
|
|
},
|
|
{
|
|
name: "zero",
|
|
start: time.Unix(12345, 1000),
|
|
since: time.Unix(12345, 1000),
|
|
want: 0,
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
tt := tt
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
t.Parallel()
|
|
clock := NewClock(ClockOpts{
|
|
Start: tt.start,
|
|
})
|
|
got := clock.Since(tt.since)
|
|
if got != tt.want {
|
|
t.Errorf("Since duration %v, want %v", got, tt.want)
|
|
}
|
|
})
|
|
}
|
|
}
|