Simple Test Node

Let's be blunt: this node does nothing. It takes a line of text, prepends the word "Processed:", and hands it back to you. You will never wire it into a serious workflow, and that's fine - it's not supposed to be in one.

SimpleTestNode is the smoke test for the ComfyUI_PoseAlign pack. The author ships it so there's an obvious, unmissable sign that the custom-node loader worked before you go hunting for the actual pose alignment node. If you can find "Simple Test Node" under AInseven/Test in your node list, the pack imported cleanly and you can stop reading here.

What it actually does

One input, one output, no secrets:

• text (STRING, defaults to "Hello from PoseAlign!") - whatever you type
• Output (STRING) - your text wrapped as "Processed: <text>"

That's the entire contract. The node's process() is literally return (f"Processed: {text}",). It's a hello-world that ships with a pose-alignment library, which tells you more about how the author developed the pack than about how you'll use it.

Why knowing about it can actually save you

Here's the part that matters. The pack's __init__.py registers SimpleTestNode first, then tries to import the real pose_align_node module inside a try/except. If that import fails - say cv2 isn't importable in your ComfyUI Python env - the pack catches the error and keeps going, logging it to the console. The visible symptom is exactly what you'd expect and it's easy to misread:

• SimpleTestNode is in your menu, but PoseAlignTwoToOne is missing → the pose node's module failed to load. The pack itself is fine; something in its dependencies broke. Check the ComfyUI console for a [PoseAlign] ERROR loading pose_align_node: line.

So this placeholder has a real job: it tells you the difference between "pack didn't install" and "pack installed but its real node crashed." If you see it, the install worked.

Installing it

Same story as the parent pack - no special treatment needed. Via ComfyUI Manager, search for "ComfyUI_PoseAlign", install, restart. Or manually:

cd ComfyUI/custom_nodes
git clone https://github.com/rubenvillarreal/ComfyUI_PoseAlign

Then restart ComfyUI. There's no requirements.txt and no model download; the pack leans on opencv, numpy, and torch, all of which ship in a stock ComfyUI environment.

Treat SimpleTestNode the way you'd treat scaffolding at a construction site: ignore the thing, but be glad it's there to tell you the building didn't fall down.