test: port remaining suites to node:test

Mechanical port of the hand-rolled check() harness. Import-after-env
ordering preserved so suites still read their sandbox dirs.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

1 files changed, 53 insertions, 44 deletions

diff --git a/test/deep-research/serp-parser-test.ts b/test/deep-research/serp-parser-test.ts
index dabd72b..af5ac54 100644
--- a/test/deep-research/serp-parser-test.ts
+++ b/test/deep-research/serp-parser-test.ts
@@ -1,24 +1,14 @@
 /**
  * Unit tests for the pure Google SERP parser — no browser required.
  *
- * Run: npx tsx test/deep-research/serp-parser-test.ts
+ * Run: npm test
  */
+import { test, describe } from "node:test";
+import assert from "node:assert/strict";
 import { readFileSync } from "node:fs";
 import { join } from "node:path";
 import { classifySerp, parseGoogleSerp, type SerpExtraction } from "../../src/domains/search/google-serp";
 
-let passed = 0;
-let failed = 0;
-const check = (cond: boolean, label: string): void => {
-  if (cond) {
-    passed++;
-    console.log(`  ✓ ${label}`);
-  } else {
-    failed++;
-    console.error(`  ✗ ${label}`);
-  }
-};
-
 const fixture = (name: string): SerpExtraction =>
   JSON.parse(readFileSync(join(import.meta.dirname, "fixtures", name), "utf8")) as SerpExtraction;
 
@@ -26,34 +16,53 @@ const ok = fixture("google-serp-ok.json");
 const captcha = fixture("google-serp-captcha.json");
 const empty = fixture("google-serp-empty.json");
 
-// S1: redirect unwrapping + internal/javascript anchors dropped
-{
-  const results = parseGoogleSerp(ok.anchors, 10);
-  const urls = results.map((r) => r.url);
-  check(urls.includes("https://real.example/x"), "S1: /url?q= redirect is unwrapped to the real target");
-  check(!urls.some((u) => u.includes("google.com")), "S1: google-internal anchors are dropped");
-  check(!urls.some((u) => u.startsWith("javascript:")), "S1: javascript: anchors are dropped");
-}
-
-// S2: dedupe + rank + limit
-{
-  const results = parseGoogleSerp(ok.anchors, 10);
-  const realExampleCount = results.filter((r) => r.url.startsWith("https://real.example/x")).length;
-  check(realExampleCount === 1, "S2: trailing-slash duplicate collapses to one result");
-  check(
-    results.every((r, i) => r.rank === i + 1),
-    "S2: rank runs 1..n in input order",
-  );
-  const capped = parseGoogleSerp(ok.anchors, 2);
-  check(capped.length === 2 && capped[capped.length - 1]?.rank === 2, "S2: limit truncates and ranks stay 1..limit");
-}
-
-// S3: CAPTCHA / no-results classification
-{
-  check(classifySerp(ok.pageText, parseGoogleSerp(ok.anchors, 10).length) === "ok", "S3: populated SERP classifies as ok");
-  check(classifySerp(captcha.pageText, 0) === "captcha", "S3: captcha page classifies as captcha");
-  check(classifySerp(empty.pageText, 0) === "no_results", "S3: empty results classify as no_results");
-}
-
-console.log(`\n${passed} passed, ${failed} failed`);
-if (failed > 0) process.exit(1);
+describe("pure Google SERP parser", () => {
+  // S1: redirect unwrapping + internal/javascript anchors dropped
+  test("S1: /url?q= redirect is unwrapped to the real target", () => {
+    const results = parseGoogleSerp(ok.anchors, 10);
+    const urls = results.map((r) => r.url);
+    assert.ok(urls.includes("https://real.example/x"));
+  });
+
+  test("S1: google-internal anchors are dropped", () => {
+    const results = parseGoogleSerp(ok.anchors, 10);
+    const urls = results.map((r) => r.url);
+    assert.ok(!urls.some((u) => u.includes("google.com")));
+  });
+
+  test("S1: javascript: anchors are dropped", () => {
+    const results = parseGoogleSerp(ok.anchors, 10);
+    const urls = results.map((r) => r.url);
+    assert.ok(!urls.some((u) => u.startsWith("javascript:")));
+  });
+
+  // S2: dedupe + rank + limit
+  test("S2: trailing-slash duplicate collapses to one result", () => {
+    const results = parseGoogleSerp(ok.anchors, 10);
+    const realExampleCount = results.filter((r) => r.url.startsWith("https://real.example/x")).length;
+    assert.equal(realExampleCount, 1);
+  });
+
+  test("S2: rank runs 1..n in input order", () => {
+    const results = parseGoogleSerp(ok.anchors, 10);
+    assert.ok(results.every((r, i) => r.rank === i + 1));
+  });
+
+  test("S2: limit truncates and ranks stay 1..limit", () => {
+    const capped = parseGoogleSerp(ok.anchors, 2);
+    assert.ok(capped.length === 2 && capped[capped.length - 1]?.rank === 2);
+  });
+
+  // S3: CAPTCHA / no-results classification
+  test("S3: populated SERP classifies as ok", () => {
+    assert.equal(classifySerp(ok.pageText, parseGoogleSerp(ok.anchors, 10).length), "ok");
+  });
+
+  test("S3: captcha page classifies as captcha", () => {
+    assert.equal(classifySerp(captcha.pageText, 0), "captcha");
+  });
+
+  test("S3: empty results classify as no_results", () => {
+    assert.equal(classifySerp(empty.pageText, 0), "no_results");
+  });
+});