workinf_Blender_Wasm/web/tests/e2e/wbv2-audio-particle-production.spec.ts

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

const root = path.resolve(import.meta.dirname, "../../..");
const cases = [
  { kind: "particle", fixture: path.join(root, "tests/files/web/generated/M16-GAP-00018-datablock-ParticleSettings.blend") },
  { kind: "speaker", fixture: path.join(root, "tests/files/web/generated/M16-GAP-00023-datablock-Speaker.blend") },
  { kind: "sound", fixture: path.join(root, "tests/files/web/generated/M16-GAP-00023-datablock-Speaker.blend") },
] as const;

test("WBV2 audio and particle settings mutate Blender Main and survive recovery", async ({ page }) => {
  test.setTimeout(90_000);
  await page.goto("/");
  const inputs = cases.map((item) => ({ ...item, bytes: Array.from(fs.readFileSync(item.fixture)) }));
  const result = await page.evaluate(async (items) => {
    const { WebEngineClient } = await import("/src/engine-client/WebEngineClient.ts");
    const client = new WebEngineClient({ timeoutMs: 30_000 });
    const reopened = new WebEngineClient({ timeoutMs: 30_000 });
    try {
      const reports = [];
      for (const item of items) {
        const opened = await client.openBlend(Uint8Array.from(item.bytes).buffer);
        const collection = item.kind === "sound" ? opened.snapshot.sounds : item.kind === "speaker" ? opened.snapshot.speakers : opened.snapshot.particleSettings;
        const target = collection?.[0];
        if (!target) throw new Error(`missing ${item.kind} Main resource`);
        const beforeRevision = opened.snapshot.revision;
        const before = JSON.stringify(target);
        const properties = item.kind === "sound"
          ? { volume: 0.75, attenuation: 0.25, pitch: 1.1, minGain: 0.2, maxGain: 0.9, distance: 12, offsetTime: 0.5 }
          : item.kind === "speaker"
            ? { volumeMax: 2.5, volumeMin: 0.1, distanceMax: 42, distanceReference: 3, attenuation: 1.5, coneAngleOuter: 2.2, coneAngleInner: 1.1, coneVolumeOuter: 0.4, volume: 0.8, pitch: 1.2 }
            : { type: 0, from: 1, distribution: 1, physicsType: 0, totalParticles: 128, start: 2, end: 80, lifetime: 12, size: 0.2, drawSize: 0.05 };
        const command = item.kind === "particle"
          ? { type: "setParticleSettings" as const, dataId: target.id, properties }
          : item.kind === "sound"
            ? { type: "setSoundProperties" as const, dataId: target.id, properties }
            : { type: "setSpeakerProperties" as const, dataId: target.id, properties };
        let edited;
        try {
          edited = await client.applyCommand(command);
        }
        catch (error) {
          throw new Error(`${item.kind} apply failed: ${JSON.stringify(error)}`);
        }
        const undo = await client.applyCommand({ type: "undo" });
        const redo = await client.applyCommand({ type: "redo" });
        const malformed = await client.applyCommand({ ...command, properties: { unsupported: 1 } } as any)
          .then(() => ({ code: "NO_ERROR" }))
          .catch((error: any) => ({ code: error?.code ?? "UNKNOWN" }));
        const afterMalformed = (await client.snapshot()).snapshot;
        const saved = await client.saveBlend();
        const reopenedResult = await reopened.openBlend(saved);
        const reopenedCollection = item.kind === "sound" ? reopenedResult.snapshot.sounds : item.kind === "speaker" ? reopenedResult.snapshot.speakers : reopenedResult.snapshot.particleSettings;
        reports.push({
          kind: item.kind,
          before,
          beforeRevision,
          editedRevision: edited.snapshot.revision,
          undoRevision: undo.snapshot.revision,
          redoRevision: redo.snapshot.revision,
          edited: JSON.stringify((item.kind === "sound" ? edited.snapshot.sounds : item.kind === "speaker" ? edited.snapshot.speakers : edited.snapshot.particleSettings)?.find((entry) => entry.id === target.id)),
          undo: JSON.stringify((item.kind === "sound" ? undo.snapshot.sounds : item.kind === "speaker" ? undo.snapshot.speakers : undo.snapshot.particleSettings)?.find((entry) => entry.id === target.id)),
          redo: JSON.stringify((item.kind === "sound" ? redo.snapshot.sounds : item.kind === "speaker" ? redo.snapshot.speakers : redo.snapshot.particleSettings)?.find((entry) => entry.id === target.id)),
          reopened: JSON.stringify(reopenedCollection?.find((entry) => entry.id === target.id)),
          malformed,
          malformedRevisionPreserved: afterMalformed.revision === redo.snapshot.revision,
        });
      }
      return reports;
    }
    finally {
      client.terminate();
      reopened.terminate();
    }
  }, inputs);

  fs.mkdirSync(path.join(root, "tests/golden/WBV2-P1105-000"), { recursive: true });
  fs.writeFileSync(path.join(root, "tests/golden/WBV2-P1105-000/audio-particle-production.json"), `${JSON.stringify({ schemaVersion: 1, task: "WBV2-P1105-000", operation: "AUDIO_PARTICLE_MAIN_CHROMIUM", browser: "chromium", queueMutation: false, reports: result }, null, 2)}\n`);
  expect(result).toHaveLength(3);
  for (const report of result) {
    const edited = JSON.parse(report.edited!);
    if (report.kind === "sound") {
      expect(edited.volume).toBeCloseTo(0.75);
      expect(edited.pitch).toBeCloseTo(1.1);
    }
    else if (report.kind === "speaker") {
      expect(edited.volume).toBeCloseTo(0.8);
      expect(edited.pitch).toBeCloseTo(1.2);
    }
    else {
      expect(edited.totalParticles).toBe(128);
      expect(edited.lifetime).toBeCloseTo(12);
    }
    expect(report.editedRevision).toBe(report.beforeRevision + 1);
    expect(report.undoRevision).toBe(report.beforeRevision + 2);
    expect(report.redoRevision).toBe(report.beforeRevision + 3);
    expect(report.undo).toBe(report.before);
    expect(report.redo).toBe(report.edited);
    expect(report.reopened).toBe(report.edited);
    expect(report.malformed.code).not.toBe("NO_ERROR");
    expect(report.malformedRevisionPreserved).toBe(true);
  }
});