Unit tests + widget input fixes (#1760)

* setup ui unit tests

* Refactoring, adding connections

* Few tweaks

* Fix type

* Add general test

* Refactored and extended test

* move to describe

* for groups

* Add test for converted widgets on missing nodes + fix crash

* tidy

* mores tests + refactor

* throw earlier to get less confusing error

* support outputs

* more test

* add ci action

* use lts node

* Fix?

* Prevent connecting non matching combos

* update

* accidently removed npm i

* Disable logging extension

* added step to generate object_info

* fix python

* install python

* install deps

* fix cwd?

* logging

* Fix double resolve

* create dir

* update pkg

tests-ui/utils/litegraph.js

@@ -0,0 +1,36 @@
+const fs = require("fs");
+const path = require("path");
+const { nop } = require("../utils/nopProxy");
+
+function forEachKey(cb) {
+	for (const k of [
+		"LiteGraph",
+		"LGraph",
+		"LLink",
+		"LGraphNode",
+		"LGraphGroup",
+		"DragAndScale",
+		"LGraphCanvas",
+		"ContextMenu",
+	]) {
+		cb(k);
+	}
+}
+
+export function setup(ctx) {
+	const lg = fs.readFileSync(path.resolve("../web/lib/litegraph.core.js"), "utf-8");
+	const globalTemp = {};
+	(function (console) {
+		eval(lg);
+	}).call(globalTemp, nop);
+
+	forEachKey((k) => (ctx[k] = globalTemp[k]));
+	require(path.resolve("../web/lib/litegraph.extensions.js"));
+}
+
+export function teardown(ctx) {
+	forEachKey((k) => delete ctx[k]);
+
+	// Clear document after each run
+	document.getElementsByTagName("html")[0].innerHTML = ""; 
+}