chore(web): continuous handoff WBV2-P1158-001

web/tests/e2e/wbv2-line-style-reader-production.spec.ts

@@ -0,0 +1,77 @@
+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 task = process.env.WBV2_BATCH_TASK ?? "WBV2-P1158-001";
+const fixture = "tests/files/web/generated/M16-GAP-00008-datablock-FreestyleLineStyle.blend";
+const fixtureBytes = fs.readFileSync(path.join(root, fixture));
+const fixtureSha256 = crypto.createHash("sha256").update(fixtureBytes).digest("hex");
+const sourceUnits = JSON.parse(process.env.WBV2_BATCH_UNITS ?? '["rna-struct:FreestyleLineStyle","rna-struct:LineStyleModifier","rna-struct:LineStyleAlphaModifier","rna-struct:LineStyleColorModifier","rna-struct:LineStyleGeometryModifier","rna-struct:LineStyleThicknessModifier"]');
+
+test("line style reader preserves Blender Main style metadata", async ({ page }) => {
+  test.setTimeout(180_000);
+  await page.goto("/");
+  const result = await page.evaluate(async (bytes) => {
+    const { WebEngineClient } = await import("/src/engine-client/WebEngineClient.ts");
+    const canonical = (snapshot: any) => (snapshot.lineStyles ?? []).map((style: any) => ({
+      id: style.id,
+      name: style.name,
+      color: style.color,
+      alpha: style.alpha,
+      thickness: style.thickness,
+      geometry: style.geometry,
+    }));
+    const client = new WebEngineClient({ timeoutMs: 60_000 });
+    const reopenedClient = new WebEngineClient({ timeoutMs: 60_000 });
+    const secondClient = new WebEngineClient({ timeoutMs: 60_000 });
+    const output: any = {};
+    try {
+      const opened = await client.openBlend(Uint8Array.from(bytes).buffer);
+      output.before = canonical(opened.snapshot);
+      output.styleCount = output.before.length;
+      const saved = await client.saveBlend();
+      output.after = canonical((await reopenedClient.openBlend(saved.slice(0))).snapshot);
+      output.second = canonical((await secondClient.openBlend(Uint8Array.from(bytes).buffer)).snapshot);
+      output.saveReopenExact = JSON.stringify(output.before) === JSON.stringify(output.after);
+      output.deterministicExact = JSON.stringify(output.before) === JSON.stringify(output.second);
+      output.savedSha256 = await crypto.subtle.digest("SHA-256", saved).then((hash) =>
+        Array.from(new Uint8Array(hash), (byte) => byte.toString(16).padStart(2, "0")).join(""));
+      try {
+        await client.openBlend(Uint8Array.from([0x42, 0x4c, 0x45, 0x4e, 0x44]).buffer);
+        output.malformed = { code: "ACCEPTED_MALFORMED" };
+      } catch (error: any) {
+        output.malformed = { code: error?.code, message: error?.message };
+      }
+    } catch (error: any) {
+      output.error = { code: error?.code, message: error?.message, detail: String(error) };
+    } finally {
+      client.terminate();
+      reopenedClient.terminate();
+      secondClient.terminate();
+    }
+    return output;
+  }, Array.from(fixtureBytes));
+
+  const report = {
+    schemaVersion: 1,
+    task,
+    operation: "LINE_STYLE_READER_CHROMIUM_SAVE_REOPEN",
+    browser: "chromium",
+    queueMutation: false,
+    fixture,
+    fixtureSha256,
+    sourceUnits,
+    ...result,
+  };
+  const outputPath = path.join(root, `tests/golden/${task}/line-style-reader-production.json`);
+  fs.mkdirSync(path.dirname(outputPath), { recursive: true });
+  fs.writeFileSync(outputPath, `${JSON.stringify(report, null, 2)}\n`);
+
+  expect(result.error).toBeUndefined();
+  expect(result.styleCount).toBeGreaterThan(0);
+  expect(result.saveReopenExact).toBe(true);
+  expect(result.deterministicExact).toBe(true);
+  expect(result.malformed?.code).not.toBe("ACCEPTED_MALFORMED");
+});