源码快照 @ 2026-09-02 (source-only, 剔除非源码素材)

evals/specs/markdown-code-wrap-control.test.ts

@@ -0,0 +1,52 @@
+import { spawnSync } from "node:child_process";
+import { readFileSync } from "node:fs";
+import { fileURLToPath } from "node:url";
+import { expect } from "vitest";
+import { test } from "@openwork/testkit";
+
+const repoRoot = fileURLToPath(new URL("../../", import.meta.url));
+const markdownPrimitiveSource = readFileSync(
+  fileURLToPath(new URL("../../apps/app/src/components/markdown/markdown-primitive.ts", import.meta.url)),
+  "utf8",
+);
+
+test("rendered code blocks expose an accessible word-wrap control that defaults to unwrapped", async ({ evidence }) => {
+  expect(markdownPrimitiveSource).toContain('data-openwork-code-wrap=""');
+  expect(markdownPrimitiveSource).toContain('aria-pressed="false"');
+  expect(markdownPrimitiveSource).toContain('aria-label="Enable word wrap"');
+  expect(markdownPrimitiveSource).toContain('data-openwork-code-scroll=""');
+  expect(markdownPrimitiveSource).toContain("export function codeWrapClassStates");
+  expect(markdownPrimitiveSource).toContain("export function setCodeWrapButtonState");
+  // The sanitizer must keep the wrap control interactive after re-rendering.
+  expect(markdownPrimitiveSource).toContain('"data-openwork-code-wrap",');
+  expect(markdownPrimitiveSource).toContain('"aria-pressed",');
+  // The unwrapped default keeps horizontal scrolling; wrapping is opt-in.
+  expect(markdownPrimitiveSource).toMatch(/"overflow-x-auto": !wrapped/);
+  expect(markdownPrimitiveSource).toMatch(/"whitespace-pre-wrap": wrapped/);
+
+  evidence.recordAssertionEvidence(
+    "Code blocks render an explicit wrap toggle without changing the default presentation",
+    "The chat code block container renders an aria-pressed word-wrap button beside the copy control, the sanitizer allowlists its attributes, and the wrap state maps to pure class toggles that keep overflow scrolling as the default.",
+    true,
+  );
+
+  const unit = spawnSync("pnpm", [
+    "--dir",
+    "apps/app",
+    "exec",
+    "bun",
+    "test",
+    "tests/markdown-code-block.test.ts",
+  ], { cwd: repoRoot, encoding: "utf8" });
+  const output = `${unit.stdout}${unit.stderr}`;
+  expect(unit.error, output).toBeUndefined();
+  expect(unit.status, output).toBe(0);
+  expect(output).toContain(" 10 pass");
+  expect(output).toContain(" 0 fail");
+
+  evidence.recordAssertionEvidence(
+    "The markdown code block unit suite passes with the wrap affordance",
+    "All 10 unit tests passed, covering the fallback and Shiki containers, the wrap class-state mapping, unchanged copy behavior, and unchanged rendered code text.",
+    true,
+  );
+});