ComfyUI/tests-unit/comfy_api_nodes_test/gemini_response_images_test.py

58 lines
1.5 KiB
Python

import asyncio
import base64
from io import BytesIO
import torch
from PIL import Image
from comfy.cli_args import args
if not torch.cuda.is_available():
args.cpu = True
from comfy_api_nodes.apis.gemini import ( # noqa: E402
GeminiCandidate,
GeminiContent,
GeminiGenerateContentResponse,
GeminiInlineData,
GeminiPart,
)
from comfy_api_nodes.nodes_gemini import get_image_from_response # noqa: E402
def image_part(mode, color):
buffer = BytesIO()
Image.new(mode, (4, 4), color).save(buffer, format="PNG")
return GeminiPart(
inlineData=GeminiInlineData(
data=base64.b64encode(buffer.getvalue()).decode(),
mimeType="image/png",
)
)
def response(*parts):
return GeminiGenerateContentResponse(
candidates=[GeminiCandidate(content=GeminiContent(parts=list(parts), role="model"))]
)
def test_rgb_only_response_stays_three_channels():
out = asyncio.run(get_image_from_response(response(image_part("RGB", (10, 20, 30)))))
assert out.shape == (1, 4, 4, 3)
def test_mixed_rgb_and_rgba_parts_are_padded_to_the_same_width():
out = asyncio.run(
get_image_from_response(
response(
image_part("RGB", (10, 20, 30)),
image_part("RGBA", (10, 20, 30, 0)),
)
)
)
assert out.shape == (2, 4, 4, 4)
# the part that had no alpha is padded opaque, the transparent one is preserved
assert out[0, ..., 3].min() == 1.0
assert out[1, ..., 3].max() == 0.0