Release Format Lab 0.2.0

tests/browser/app.spec.ts

@@ -83,6 +83,25 @@ test("shows CSV losses and retains evidence after invalid source", async ({
   await expect(output).toHaveValue(previous);
 });
 
+test("identifies bounded signatures and exposes the portable evidence contract", async ({
+  page,
+}) => {
+  await page.goto("/deep/nested/format-lab/");
+  await page
+    .locator('input[type="file"]')
+    .first()
+    .setInputFiles("tests/fixtures/signature.pdf");
+  await expect(page.getByText(/PDF \(strong: %PDF- header/u)).toBeVisible();
+  await page.getByText("Portable evidence JSON", { exact: true }).click();
+  const evidence = await page
+    .getByRole("textbox", { name: "Evidence report", exact: true })
+    .inputValue();
+  expect(JSON.parse(evidence)).toMatchObject({
+    contractVersion: 1,
+    provenance: { execution: "local-browser", networkRequired: false },
+  });
+});
+
 test("integrates help, themes, identity, headers and offline reload", async ({
   page,
   request,
@@ -115,7 +134,7 @@ test("integrates help, themes, identity, headers and offline reload", async ({
   );
   await expect(manifest.json()).resolves.toMatchObject({
     id: "de.add-ideas.format-lab",
-    version: "0.1.0",
+    version: "0.2.0",
     privacy: { processing: "local", telemetry: false },
   });
   await context.setOffline(true);

tests/browser/responsive.spec.ts

@@ -0,0 +1,18 @@
+import { expect, test } from "@playwright/test";
+
+test("keeps the primary workspace inside a narrow viewport", async ({
+  page,
+}) => {
+  await page.goto("/deep/nested/format-lab/");
+  await expect(page.locator("main").first()).toBeVisible();
+  await expect(
+    page.locator("main .loading, main .workbench-loading"),
+  ).toHaveCount(0);
+
+  const widths = await page.evaluate(() => ({
+    content: document.documentElement.scrollWidth,
+    viewport: document.documentElement.clientWidth,
+  }));
+  expect(widths.viewport).toBeLessThanOrEqual(430);
+  expect(widths.content).toBeLessThanOrEqual(widths.viewport + 1);
+});

tests/fixtures/signature.pdf

@@ -0,0 +1 @@
+%PDF-1.7

tests/lab/data.test.ts

@@ -1,6 +1,7 @@
 import { describe, expect, it } from "vitest";
 import { findRoutes, properties } from "../../src/lab/catalog";
 import { parseData, runRoundTrip, serializeData } from "../../src/lab/data";
+import { parseEvidence, serializeEvidence } from "../../src/lab/evidence";
 
 const all = properties.data.map((property) => property.id);
 const sample = JSON.stringify([
@@ -29,6 +30,13 @@ describe("structured data lab", () => {
       property: "metadata",
       status: "not-tested",
     });
+    expect(parseEvidence(serializeEvidence(result.evidence))).toEqual(
+      result.evidence,
+    );
+    expect(result.evidence).toMatchObject({
+      contractVersion: 1,
+      provenance: { execution: "local-browser", networkRequired: false },
+    });
   });
 
   it("exposes CSV type, null and nested-value changes", () => {

tests/lab/signatures.test.ts

@@ -0,0 +1,47 @@
+import { describe, expect, it } from "vitest";
+import { exportCorpusFiles } from "../../src/lab/corpus";
+import {
+  formatSignatures,
+  identifyBySignature,
+} from "../../src/lab/signatures";
+
+describe("format signatures and corpus", () => {
+  it("distinguishes masked RIFF forms and container-only evidence", () => {
+    const wav = Uint8Array.of(
+      0x52,
+      0x49,
+      0x46,
+      0x46,
+      0x24,
+      0,
+      0,
+      0,
+      0x57,
+      0x41,
+      0x56,
+      0x45,
+    );
+    expect(identifyBySignature(wav).map((item) => item.format)).toContain(
+      "wav",
+    );
+    expect(identifyBySignature(wav).map((item) => item.format)).not.toContain(
+      "webp",
+    );
+    expect(
+      identifyBySignature(Uint8Array.of(0x50, 0x4b, 0x03, 0x04))[0],
+    ).toMatchObject({ format: "zip", confidence: "container" });
+  });
+
+  it("ships a broad, deterministic structured regression corpus", () => {
+    expect(formatSignatures.length).toBeGreaterThanOrEqual(20);
+    const first = exportCorpusFiles();
+    expect(first).toEqual(exportCorpusFiles());
+    expect(first.map((file) => file.path)).toEqual(
+      expect.arrayContaining([
+        "structured/typed.json",
+        "structured/text-cells.csv",
+        "corpus-manifest.json",
+      ]),
+    );
+  });
+});