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| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "testing" |
| 7 | |
| 8 | "github.com/carlosframework/platform/internal/hostwrite" |
| 9 | ) |
| 10 | |
| 11 | type assemblyTestWork struct { |
| 12 | Before func() |
| 13 | Wait bool |
| 14 | } |
| 15 | |
| 16 | func (w assemblyTestWork) With(ctx context.Context, _ hostwrite.Identity, fn func() error) error { |
| 17 | if w.Before != nil { |
| 18 | w.Before() |
| 19 | } |
| 20 | if w.Wait { |
| 21 | <-ctx.Done() |
| 22 | return ctx.Err() |
| 23 | } |
| 24 | return fn() |
| 25 | } |
| 26 | func TestClaimLeaseWorkRechecksAfterGuardWait(t *testing.T) { |
| 27 | lost := false |
| 28 | ran := false |
| 29 | denial := errors.New("lease lost") |
| 30 | w := claimLeaseWork{Work: assemblyTestWork{Before: func() { lost = true }}, Alive: context.Background(), Check: func() error { |
| 31 | if lost { |
| 32 | return denial |
| 33 | } |
| 34 | return nil |
| 35 | }} |
| 36 | if err := w.With(context.Background(), hostwrite.Identity{}, func() error { ran = true; return nil }); !errors.Is(err, denial) || ran { |
| 37 | t.Fatalf("effect=%v err=%v", ran, err) |
| 38 | } |
| 39 | } |
| 40 | func TestClaimLeaseWorkCancellationInterruptsGuardWait(t *testing.T) { |
| 41 | live, cancel := context.WithCancel(context.Background()) |
| 42 | w := claimLeaseWork{Work: assemblyTestWork{Before: cancel, Wait: true}, Alive: live, Check: func() error { return nil }} |
| 43 | if err := w.With(context.Background(), hostwrite.Identity{}, func() error { t.Fatal("effect after cancellation"); return nil }); !errors.Is(err, context.Canceled) { |
| 44 | t.Fatal(err) |
| 45 | } |
| 46 | } |
| 47 | |
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