| 1 | package activator |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "testing" |
| 6 | "time" |
| 7 | |
| 8 | "github.com/carlosframework/platform/internal/registry" |
| 9 | ) |
| 10 | |
| 11 | // The plans idle hook (plans 2): a plan may only shorten an entry's idle |
| 12 | // window, never lengthen it, and never touches an always-on worker. |
| 13 | |
| 14 | func idleFor(d time.Duration) func(registry.Route) time.Duration { |
| 15 | return func(registry.Route) time.Duration { return d } |
| 16 | } |
| 17 | |
| 18 | func wakeInstance(t *testing.T, a *Service, host string) { |
| 19 | t.Helper() |
| 20 | release, err := a.beginRequest(context.Background(), testRoute(host)) |
| 21 | if err != nil { |
| 22 | t.Fatalf("beginRequest: %v", err) |
| 23 | } |
| 24 | release() |
| 25 | } |
| 26 | |
| 27 | func TestIdleForShortensAnInstance(t *testing.T) { |
| 28 | t.Parallel() |
| 29 | a, _, clk, _ := testActivator(t, 15*time.Minute) |
| 30 | a.SetIdleFor(idleFor(90 * time.Second)) |
| 31 | wakeInstance(t, a, "one.example.com") |
| 32 | clk.advance(80 * time.Second) |
| 33 | a.sweepOnce() |
| 34 | if a.entryCount() != 1 { |
| 35 | t.Fatal("slept before the plan's 90s window") |
| 36 | } |
| 37 | clk.advance(11 * time.Second) |
| 38 | a.sweepOnce() |
| 39 | waitFor(t, "plan idle sleep", func() bool { return a.entryCount() == 0 }) |
| 40 | } |
| 41 | |
| 42 | func TestPlanIdleOnlyShortens(t *testing.T) { |
| 43 | t.Parallel() |
| 44 | a, _, clk, _ := testActivator(t, 5*time.Minute) |
| 45 | a.SetIdleFor(idleFor(15 * time.Minute)) |
| 46 | wakeInstance(t, a, "one.example.com") |
| 47 | clk.advance(5*time.Minute + time.Second) |
| 48 | a.sweepOnce() |
| 49 | waitFor(t, "box-default sleep", func() bool { return a.entryCount() == 0 }) |
| 50 | } |
| 51 | |
| 52 | func TestIdleForShortensAWorkerToTheSmaller(t *testing.T) { |
| 53 | t.Parallel() |
| 54 | for _, c := range []struct { |
| 55 | name string |
| 56 | worker int |
| 57 | plan, sleep time.Duration |
| 58 | }{ |
| 59 | {"plan shorter than the worker's own", 600, 90 * time.Second, 90 * time.Second}, |
| 60 | {"worker's own shorter than the plan", 60, 90 * time.Second, 60 * time.Second}, |
| 61 | } { |
| 62 | a, _, clk, _ := testActivator(t, time.Hour) |
| 63 | a.SetIdleFor(idleFor(c.plan)) |
| 64 | rt := testWorkerRoute("bot.x.internal") |
| 65 | rt.IdleSeconds = c.worker |
| 66 | if err := a.WakeWorker(rt); err != nil { |
| 67 | t.Fatalf("%s: WakeWorker: %v", c.name, err) |
| 68 | } |
| 69 | clk.advance(c.sleep - 5*time.Second) |
| 70 | a.sweepOnce() |
| 71 | if !a.entryAwake("bot.x.internal") { |
| 72 | t.Fatalf("%s: slept early", c.name) |
| 73 | } |
| 74 | clk.advance(6 * time.Second) |
| 75 | a.sweepOnce() |
| 76 | waitFor(t, c.name, func() bool { return a.entryCount() == 0 }) |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | func TestIdleForNilOrZeroChangesNothing(t *testing.T) { |
| 81 | t.Parallel() |
| 82 | for name, hook := range map[string]func(registry.Route) time.Duration{"nil": nil, "zero": idleFor(0)} { |
| 83 | a, _, clk, _ := testActivator(t, 10*time.Second) |
| 84 | a.SetIdleFor(hook) |
| 85 | wakeInstance(t, a, "one.example.com") |
| 86 | clk.advance(9 * time.Second) |
| 87 | a.sweepOnce() |
| 88 | if a.entryCount() != 1 { |
| 89 | t.Fatalf("%s hook: slept before the box default", name) |
| 90 | } |
| 91 | clk.advance(2 * time.Second) |
| 92 | a.sweepOnce() |
| 93 | waitFor(t, name+" hook: default sleep", func() bool { return a.entryCount() == 0 }) |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | func TestIdleForLeavesAlwaysOnWorkersAlone(t *testing.T) { |
| 98 | t.Parallel() |
| 99 | a, _, clk, _ := testActivator(t, time.Hour) |
| 100 | a.SetIdleFor(idleFor(90 * time.Second)) |
| 101 | rt := testWorkerRoute("bot.x.internal") |
| 102 | rt.Hibernate = false |
| 103 | if err := a.WakeWorker(rt); err != nil { |
| 104 | t.Fatalf("WakeWorker: %v", err) |
| 105 | } |
| 106 | for i := 0; i < 5; i++ { |
| 107 | clk.advance(time.Hour) |
| 108 | a.sweepOnce() |
| 109 | } |
| 110 | if a.entryCount() != 1 { |
| 111 | t.Fatal("an always-on worker was stopped by the plan's idle window") |
| 112 | } |
| 113 | } |
| 114 | |