workinf_Blender_Wasm/web/tests/e2e/wbv2-curve-handle-production.spec.ts

import crypto from "node:crypto";
import fs from "node:fs";
import path from "node:path";
import { expect, test } from "@playwright/test";

const root = path.resolve(import.meta.dirname, "../../..");
const fixturePath = path.join(root, "tests/files/web/nonmesh_scene.blend");
const fixture = fs.readFileSync(fixturePath);
const fixtureSha256 = crypto.createHash("sha256").update(fixture).digest("hex");

test("WBV2-P1132-001 preserves Curve handle gizmo Main edits through recovery and reopen", async ({ page }) => {
  test.setTimeout(120_000);
  await page.goto("/");
  const result = await page.evaluate(async (input) => {
    const { WebEngineClient } = await import("/src/engine-client/WebEngineClient.ts");
    const client = new WebEngineClient({ timeoutMs: 60_000 });
    const reopenedClient = new WebEngineClient({ timeoutMs: 60_000 });
    const summary = (snapshot: any, dataId: string) => {
      const curve = snapshot.nonMeshData?.find((entry: any) => entry.id === dataId);
      if (!curve) throw new Error(`curve missing: ${dataId}`);
      return { handlePoints: curve.handlePoints ? [...curve.handlePoints] : null, cyclicU: curve.cyclicU ? [...curve.cyclicU] : null, revision: snapshot.revision };
    };
    try {
      const opened = await client.openBlend(Uint8Array.from(input.bytes).buffer);
      const curve = opened.snapshot.nonMeshData?.find((entry: any) => entry.type === "CURVE" && entry.handlePoints?.length);
      if (!curve) throw new Error("fixture has no Bezier Curve handle metadata");
      const dataId = curve.id as string;
      const before = summary(opened.snapshot, dataId);
      const pointIndex = curve.handlePointIndices?.[0] ?? 0;
      const packedIndex = (curve.handlePointIndices ?? []).indexOf(pointIndex);
      if (packedIndex < 0 || !curve.handlePoints) throw new Error("fixture Curve handle index is missing");
      const editedHandlePoints = [...curve.handlePoints];
      editedHandlePoints[packedIndex * 6] += 0.25;
      const edited = await client.applyCommand({
        type: "setCurveTopology",
        dataId,
        baseRevision: opened.snapshot.revision,
        splineTypes: curve.splineTypes,
        cyclicU: curve.cyclicU,
        cyclicV: curve.cyclicV,
        handleTypes: curve.handleTypes,
        handlePoints: editedHandlePoints,
      } as any);
      const afterEdit = summary(edited.snapshot, dataId);
      const undo = await client.applyCommand({ type: "undo" } as any);
      const afterUndo = summary(undo.snapshot, dataId);
      const redo = await client.applyCommand({ type: "redo" } as any);
      const afterRedo = summary(redo.snapshot, dataId);
      const stale = await client.applyCommand({
        type: "setCurveTopology",
        dataId,
        baseRevision: redo.snapshot.revision - 1,
        handlePoints: editedHandlePoints,
      } as any).then(() => ({ code: "NO_ERROR" })).catch((error: any) => ({ code: error?.code, message: error?.message }));
      const malformed = await client.applyCommand({
        type: "setCurveTopology",
        dataId,
        baseRevision: redo.snapshot.revision,
        handlePoints: editedHandlePoints.slice(0, -1),
      } as any).then(() => ({ code: "NO_ERROR" })).catch((error: any) => ({ code: error?.code, message: error?.message }));
      const afterNegative = summary((await client.snapshot()).snapshot, dataId);
      const saved = await client.saveBlend();
      const reopened = await reopenedClient.openBlend(saved.slice(0));
      const afterReopen = summary(reopened.snapshot, dataId);
      return {
        fixtureSha256: input.fixtureSha256,
        dataId,
        before,
        afterEdit,
        afterUndo,
        afterRedo,
        stale,
        malformed,
        afterNegative,
        afterReopen,
        savedSha256: await crypto.subtle.digest("SHA-256", saved).then((bytes) => Array.from(new Uint8Array(bytes), (byte) => byte.toString(16).padStart(2, "0")).join("")),
      };
    }
    finally {
      client.terminate();
      reopenedClient.terminate();
    }
  }, { bytes: Array.from(fixture), fixtureSha256 });
  fs.mkdirSync(path.join(root, "tests/golden/WBV2-P1132-001"), { recursive: true });
  fs.writeFileSync(path.join(root, "tests/golden/WBV2-P1132-001/curve-handle-production.json"), `${JSON.stringify({ schemaVersion: 1, task: "WBV2-P1132-001", operation: "CURVE_HANDLE_GIZMO_MAIN_CHROMIUM", browser: "chromium", queueMutation: false, sourceRnaStructs: { "rna-struct:SplineBezierPoints": "nonMeshData[type=CURVE].handlePointIndices + handlePoints" }, ...result }, null, 2)}\n`);
  expect(result.fixtureSha256).toBe(fixtureSha256);
  expect(result.afterEdit.revision).toBe(result.before.revision + 1);
  expect(result.afterEdit.handlePoints).not.toEqual(result.before.handlePoints);
  expect(result.afterUndo.handlePoints).toEqual(result.before.handlePoints);
  expect(result.afterRedo.handlePoints).toEqual(result.afterEdit.handlePoints);
  expect(result.stale.code).not.toBe("NO_ERROR");
  expect(result.malformed.code).not.toBe("NO_ERROR");
  expect(result.afterNegative).toEqual(result.afterRedo);
  expect(result.afterReopen.handlePoints).toEqual(result.afterRedo.handlePoints);
  expect(result.afterReopen.cyclicU).toEqual(result.afterRedo.cyclicU);
  expect(result.afterReopen.revision).toBe(1);
  expect(result.savedSha256).not.toBe(fixtureSha256);
});