| 1 | package attachment |
| 2 | |
| 3 | import "testing" |
| 4 | |
| 5 | func TestAdmissionCountAndByteBoundaries(t *testing.T) { |
| 6 | svc := testService(t) |
| 7 | image := opaquePNG(t, 1, 1) |
| 8 | sources := make([]Source, 21) |
| 9 | for i := range sources { |
| 10 | sources[i] = Source{Bytes: image} |
| 11 | } |
| 12 | if got, err := svc.PrepareBatch(t.Context(), sources[:20]); err != nil || len(got.Items) != 20 { |
| 13 | t.Fatalf("20 images: count=%d err=%v", len(got.Items), err) |
| 14 | } |
| 15 | if _, err := svc.PrepareBatch(t.Context(), sources); !Is(err, CodeTooMany) { |
| 16 | t.Fatalf("21 images: %v", err) |
| 17 | } |
| 18 | // Valid PNGs may contain trailing data. Share one immutable source buffer |
| 19 | // to exercise the real 200 MiB boundary without decoding giant rasters. |
| 20 | raw := make([]byte, MaxSourceBytes+1) |
| 21 | copy(raw, image) |
| 22 | if _, err := svc.PrepareBatch(t.Context(), []Source{{Bytes: raw[:MaxSourceBytes]}}); err != nil { |
| 23 | t.Fatalf("64 MiB: %v", err) |
| 24 | } |
| 25 | if _, err := svc.PrepareBatch(t.Context(), []Source{{Bytes: raw}}); !Is(err, CodeSize) { |
| 26 | t.Fatalf("64 MiB + 1: %v", err) |
| 27 | } |
| 28 | batch := []Source{{Bytes: raw[:50<<20]}, {Bytes: raw[:50<<20]}, {Bytes: raw[:50<<20]}, {Bytes: raw[:50<<20]}} |
| 29 | if _, err := svc.PrepareBatch(t.Context(), batch); err != nil { |
| 30 | t.Fatalf("200 MiB: %v", err) |
| 31 | } |
| 32 | batch[3].Bytes = raw[:(50<<20)+1] |
| 33 | if _, err := svc.PrepareBatch(t.Context(), batch); !Is(err, CodeBatchSize) { |
| 34 | t.Fatalf("200 MiB + 1: %v", err) |
| 35 | } |
| 36 | } |
| 37 |