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2857cf3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | from __future__ import annotations
from pathlib import Path
from types import SimpleNamespace
from PIL import Image
import pytest
import kneiff.utils.image.caption.blip as caption_blip
import kneiff.utils.image.caption.server as caption_server
from kneiff.progress import ProgressUpdate
from kneiff.utils.image.caption.batch import (
CaptionBatchItemResult,
plan_caption_batch,
)
from kneiff.utils.image.caption.io import CaptionSidecarIO
def test_caption_batch_plan_excludes_existing_sidecars(tmp_path: Path) -> None:
first = tmp_path / "first.png"
second = tmp_path / "second.png"
Image.new("RGB", (2, 2), color="red").save(first)
Image.new("RGB", (2, 2), color="blue").save(second)
first.with_suffix(".cap.txt").write_text("existing", encoding="utf-8")
jobs = plan_caption_batch(tmp_path, CaptionSidecarIO())
assert [job.image_path for job in jobs] == [second]
def test_server_caption_batch_reports_written_and_caught_failures(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
first = tmp_path / "first.png"
second = tmp_path / "second.png"
Image.new("RGB", (2, 2), color="red").save(first)
Image.new("RGB", (2, 2), color="blue").save(second)
sidecar_io = CaptionSidecarIO()
jobs = plan_caption_batch(tmp_path, sidecar_io)
calls = 0
monkeypatch.setattr(
caption_server,
"load_openai_backend_config",
lambda **kwargs: SimpleNamespace(model="test-model"),
)
monkeypatch.setattr(caption_server, "build_openai_client", lambda cfg: object())
monkeypatch.setattr(
caption_server,
"image_to_data_url",
lambda *args, **kwargs: "data:image/jpeg;base64,test",
)
def fake_caption_one(*args: object, **kwargs: object) -> str:
nonlocal calls
calls += 1
if calls == 2:
raise RuntimeError("server unavailable")
return "A concise caption."
monkeypatch.setattr(caption_server, "caption_one", fake_caption_one)
updates: list[ProgressUpdate] = []
items: list[CaptionBatchItemResult] = []
instructions: list[str] = []
result = caption_server.run_caption_batch_with_server(
jobs,
sidecar_io=sidecar_io,
model_name="test-model",
progress_callback=updates.append,
instruction_callback=instructions.append,
item_callback=items.append,
)
assert result.count("written") == 1
assert result.count("failed") == 1
assert first.with_suffix(".cap.txt").is_file()
assert not second.with_suffix(".cap.txt").exists()
assert len(instructions) == 2
assert [item.status for item in items] == ["written", "failed"]
assert sum(update.advance for update in updates) == 2
class _FakeCaptioner:
def caption(self, image: Image.Image, instruction: str, gen: object) -> str:
del image, instruction, gen
return "A local caption."
def test_blip_caption_batch_advances_for_image_open_skip(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
invalid = tmp_path / "invalid.png"
valid = tmp_path / "valid.png"
invalid.write_bytes(b"not an image")
Image.new("RGB", (2, 2), color="green").save(valid)
sidecar_io = CaptionSidecarIO()
jobs = plan_caption_batch(tmp_path, sidecar_io)
monkeypatch.setattr(
caption_blip,
"build_captioner",
lambda model_name, backend: _FakeCaptioner(),
)
updates: list[ProgressUpdate] = []
result = caption_blip.run_caption_batch_with_blip(
jobs,
sidecar_io=sidecar_io,
progress_callback=updates.append,
)
assert result.count("skipped") == 1
assert result.count("written") == 1
assert valid.with_suffix(".cap.txt").is_file()
assert sum(update.advance for update in updates) == 2
def test_blip_inference_failure_propagates_with_incomplete_progress(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
source = tmp_path / "source.png"
Image.new("RGB", (2, 2), color="green").save(source)
sidecar_io = CaptionSidecarIO()
jobs = plan_caption_batch(tmp_path, sidecar_io)
class FailingCaptioner:
def caption(self, image: Image.Image, instruction: str, gen: object) -> str:
del image, instruction, gen
raise RuntimeError("inference failed")
monkeypatch.setattr(
caption_blip,
"build_captioner",
lambda model_name, backend: FailingCaptioner(),
)
updates: list[ProgressUpdate] = []
with pytest.raises(RuntimeError, match="inference failed"):
caption_blip.run_caption_batch_with_blip(
jobs,
sidecar_io=sidecar_io,
progress_callback=updates.append,
)
assert updates == []
assert not source.with_suffix(".cap.txt").exists()
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