Add 'src/lib/litegraph/' from commit '1b58bf4966e9cdaa04bfaa40f5650b6c6680ab97'

git-subtree-dir: src/lib/litegraph
git-subtree-mainline: 1eadf80fec
git-subtree-split: 1b58bf4966

src/lib/litegraph/test/litegraph.test.ts

@@ -0,0 +1,42 @@
+import { beforeEach, describe, expect, vi } from "vitest"
+
+import { clamp, LGraphCanvas, LiteGraph } from "@/litegraph"
+import { LiteGraphGlobal } from "@/LiteGraphGlobal"
+
+import { test } from "./testExtensions"
+
+describe("Litegraph module", () => {
+  test("contains a global export", ({ expect }) => {
+    expect(LiteGraph).toBeInstanceOf(LiteGraphGlobal)
+    expect(LiteGraph.LGraphCanvas).toBe(LGraphCanvas)
+  })
+
+  test("has the same structure", ({ expect }) => {
+    const lgGlobal = new LiteGraphGlobal()
+    expect(lgGlobal).toMatchSnapshot("minLGraph")
+  })
+
+  test("clamps values", () => {
+    expect(clamp(-1.124, 13, 24)).toStrictEqual(13)
+    expect(clamp(Infinity, 18, 29)).toStrictEqual(29)
+  })
+})
+
+describe("Import order dependency", () => {
+  beforeEach(() => {
+    vi.resetModules()
+  })
+
+  test("Imports without error when entry point is imported first", async ({ expect }) => {
+    async function importNormally() {
+      const entryPointImport = await import("@/litegraph")
+      const directImport = await import("@/LGraph")
+
+      // Sanity check that imports were cleared.
+      expect(Object.is(LiteGraph, entryPointImport.LiteGraph)).toBe(false)
+      expect(Object.is(LiteGraph.LGraph, directImport.LGraph)).toBe(false)
+    }
+
+    await expect(importNormally()).resolves.toBeUndefined()
+  })
+})