fix(tests): pre-seed Cache API to eliminate live group API dependency

tests/data/groups.json

@@ -0,0 +1,126 @@
+{
+  "https://respec.org/w3c/groups/css/": {
+    "body": {
+      "shortname": "css",
+      "type": "wg",
+      "id": 32061,
+      "name": "Cascading Style Sheets (CSS) Working Group",
+      "URI": "https://www.w3.org/groups/wg/css/",
+      "patentURI": "https://www.w3.org/groups/wg/css/ipr",
+      "patentPolicy": "PP2020",
+      "wgURI": "https://www.w3.org/groups/wg/css"
+    }
+  },
+  "https://respec.org/w3c/groups/maps4html/": {
+    "body": {
+      "shortname": "maps4html",
+      "type": "cg",
+      "id": 70543,
+      "name": "Maps For HTML Community Group",
+      "URI": "https://www.w3.org/community/maps4html/",
+      "wgURI": "https://www.w3.org/groups/cg/maps4html"
+    }
+  },
+  "https://respec.org/w3c/groups/payments/": {
+    "body": {
+      "shortname": "payments",
+      "type": "wg",
+      "id": 83744,
+      "name": "Web Payments Working Group",
+      "URI": "https://www.w3.org/groups/wg/payments/",
+      "patentURI": "https://www.w3.org/groups/wg/payments/ipr",
+      "patentPolicy": "PP2020",
+      "wgURI": "https://www.w3.org/groups/wg/payments"
+    }
+  },
+  "https://respec.org/w3c/groups/publishingbg/": {
+    "body": {
+      "shortname": "publishingbg",
+      "type": "bg",
+      "id": 97159,
+      "name": "Publishing Business Group",
+      "URI": "https://www.w3.org/community/publishingbg/",
+      "wgURI": "https://www.w3.org/groups/bg/publishingbg"
+    }
+  },
+  "https://respec.org/w3c/groups/tag/": {
+    "body": {
+      "shortname": "tag",
+      "type": "other",
+      "id": 34270,
+      "name": "Technical Architecture Group",
+      "URI": "https://www.w3.org/2001/tag/",
+      "wgURI": "https://www.w3.org/groups/other/tag"
+    }
+  },
+  "https://respec.org/w3c/groups/webapps/": {
+    "body": {
+      "shortname": "webapps",
+      "type": "wg",
+      "id": 114929,
+      "name": "Web Applications Working Group",
+      "URI": "https://www.w3.org/groups/wg/webapps/",
+      "patentURI": "https://www.w3.org/groups/wg/webapps/ipr",
+      "patentPolicy": "PP2020",
+      "wgURI": "https://www.w3.org/groups/wg/webapps"
+    }
+  },
+  "https://respec.org/w3c/groups/webperf/": {
+    "body": {
+      "shortname": "webperf",
+      "type": "wg",
+      "id": 45211,
+      "name": "Web Performance Working Group",
+      "URI": "https://www.w3.org/groups/wg/webperf/",
+      "patentURI": "https://www.w3.org/groups/wg/webperf/ipr",
+      "patentPolicy": "PP2020",
+      "wgURI": "https://www.w3.org/groups/wg/webperf"
+    }
+  },
+  "https://respec.org/w3c/groups/wicg/": {
+    "body": {
+      "shortname": "wicg",
+      "type": "cg",
+      "id": 80485,
+      "name": "Web Platform Incubator Community Group",
+      "URI": "https://www.w3.org/community/wicg/",
+      "wgURI": "https://www.w3.org/groups/cg/wicg"
+    }
+  },
+  "https://respec.org/w3c/groups/wot/wg": {
+    "body": {
+      "shortname": "wot",
+      "type": "wg",
+      "id": 95969,
+      "name": "Web of Things Working Group",
+      "URI": "https://www.w3.org/WoT/wg/",
+      "patentURI": "https://www.w3.org/groups/wg/wot/ipr",
+      "patentPolicy": "PP2020",
+      "wgURI": "https://www.w3.org/groups/wg/wot"
+    }
+  },
+  "https://respec.org/w3c/groups/json-ld/wg": {
+    "body": {
+      "shortname": "json-ld",
+      "type": "wg",
+      "id": 107714,
+      "name": "JSON-LD Working Group",
+      "URI": "https://www.w3.org/groups/wg/json-ld/",
+      "patentURI": "https://www.w3.org/groups/wg/json-ld/ipr",
+      "patentPolicy": "PP2020",
+      "wgURI": "https://www.w3.org/groups/wg/json-ld"
+    }
+  },
+  "https://respec.org/w3c/groups/wot/": {
+    "status": 409,
+    "body": "Multiple groups with shortname: \"wot\".\nPlease use either: \"cg/wot\", \"ig/wot\", \"wg/wot\"."
+  },
+  "https://respec.org/w3c/groups/404/": {
+    "status": 404,
+    "body": "No group with shortname: \"404\"."
+  },
+  "https://respec.org/w3c/groups/not%20a%20real%20group/": {
+    "status": 404,
+    "body": "No group with shortname: \"not a real group\"."
+  }
+}

tests/spec/core/exporter-spec.js

@@ -6,9 +6,11 @@ import {
   makeRSDoc,
   makeStandardOps,
 } from "../SpecHelper.js";
+import { seedGroupCache } from "../respec-cache-helper.js";
 
 describe("Core - exporter", () => {
   afterAll(flushIframes);
+  beforeAll(seedGroupCache);
 
   it("removes .removeOnSave elements", async () => {
     const ops = makeStandardOps();

tests/spec/core/include-config-spec.js

@@ -7,9 +7,11 @@ import {
   makeRSDoc,
   makeStandardOps,
 } from "../SpecHelper.js";
+import { seedGroupCache } from "../respec-cache-helper.js";
 
 describe("Core — Include config as JSON", () => {
   afterAll(flushIframes);
+  beforeAll(seedGroupCache);
   let ops;
   beforeAll(() => {
     ops = {

tests/spec/core/seo-spec.js

@@ -7,9 +7,11 @@ import {
   makeRSDoc,
   makeStandardOps,
 } from "../SpecHelper.js";
+import { seedGroupCache } from "../respec-cache-helper.js";
 
 describe("Core — Seo", () => {
   afterAll(flushIframes);
+  beforeAll(seedGroupCache);
   it("doesn't insert a meta description element if there is no abstract", async () => {
     const ops = {
       config: makeBasicConfig(),

tests/spec/core/ui-spec.js

@@ -1,9 +1,11 @@
 "use strict";
 
 import { flushIframes, makeRSDoc, makeStandardOps } from "../SpecHelper.js";
+import { seedGroupCache } from "../respec-cache-helper.js";
 
 describe("Core - UI", () => {
   afterAll(flushIframes);
+  beforeAll(seedGroupCache);
 
   it("shows and hides the UI", async () => {
     const doc = await makeRSDoc(makeStandardOps());

tests/spec/karma.conf.cjs

@@ -9,6 +9,11 @@ const additionalFiles = [
     type: "module",
     included: false,
   },
+  {
+    pattern: "tests/spec/respec-cache-helper.js",
+    type: "module",
+    included: false,
+  },
   {
     pattern: "tests/spec/**/*-spec.js",
     type: "module",

tests/spec/respec-cache-helper.js

@@ -0,0 +1,58 @@
+"use strict";
+
+const WEEK = 7 * 24 * 60 * 60 * 1000;
+
+/**
+ * Pre-seeds the browser Cache API so fetchAndCache() returns cached
+ * data without hitting the network. Works for any respec.org endpoint.
+ *
+ * @param {Record<string, {status?: number, body: any}>} entries
+ *   Keys are full URLs, values have optional status (default 200)
+ *   and a body (object for JSON, string for text).
+ */
+export async function seedCache(entries) {
+  const byOrigin = new Map();
+  for (const [url, entry] of Object.entries(entries)) {
+    const origin = new URL(url).origin;
+    if (!byOrigin.has(origin)) byOrigin.set(origin, []);
+    byOrigin.get(origin).push([url, entry]);
+  }
+  const expires = new Date(Date.now() + WEEK).toISOString();
+  for (const [origin, urls] of byOrigin) {
+    const cache = await caches.open(origin);
+    for (const [url, { status = 200, body }] of urls) {
+      const isJSON = body !== null && typeof body === "object";
+      const headers = {
+        "Content-Type": isJSON ? "application/json" : "text/plain",
+        Expires: expires,
+      };
+      const responseBody = isJSON ? JSON.stringify(body) : body;
+      await cache.put(
+        new Request(url),
+        new Response(responseBody, { status, headers })
+      );
+    }
+  }
+}
+
+let groupsPromise;
+
+/**
+ * Seeds the cache with W3C group API responses from tests/data/groups.json.
+ * Call from beforeAll() in any test file that uses group: in its config.
+ */
+export async function seedGroupCache() {
+  if (!groupsPromise) {
+    groupsPromise = fetch("/tests/data/groups.json")
+      .then(r => {
+        if (!r.ok)
+          throw new Error(`Failed to load groups fixture: ${r.status}`);
+        return r.json();
+      })
+      .catch(err => {
+        groupsPromise = undefined;
+        throw err;
+      });
+  }
+  await seedCache(await groupsPromise);
+}

tests/spec/w3c/defaults-spec.js

@@ -9,10 +9,12 @@ import {
   makeRSDoc,
   makeStandardOps,
 } from "../SpecHelper.js";
+import { seedGroupCache } from "../respec-cache-helper.js";
 const errorsFilter = errorFilters.filter("w3c/defaults");
 
 describe("W3C — Defaults", () => {
   afterAll(flushIframes);
+  beforeAll(seedGroupCache);
   it("sets sensible defaults for w3c specs", async () => {
     const ops = {
       config: { editors: [{ name: "foo" }], specStatus: "base" },

tests/spec/w3c/group-spec.js

@@ -1,9 +1,11 @@
 "use strict";
 
 import { flushIframes, makeRSDoc, makeStandardOps } from "../SpecHelper.js";
+import { seedGroupCache } from "../respec-cache-helper.js";
 
 describe("W3C — Group", () => {
   afterAll(flushIframes);
+  beforeAll(seedGroupCache);
 
   async function getGroupConf(config) {
     const ops = makeStandardOps(config);

tests/spec/w3c/headers-spec.js

@@ -18,6 +18,8 @@ import {
   makeStandardOps,
 } from "../SpecHelper.js";
 
+import { seedGroupCache } from "../respec-cache-helper.js";
+
 const headerErrors = errorFilters.filter("w3c/headers");
 const defaultErrors = errorFilters.filter("w3c/defaults");
 
@@ -26,6 +28,7 @@ const findContent = string => {
 };
 describe("W3C — Headers", () => {
   afterEach(flushIframes);
+  beforeAll(seedGroupCache);
   const simpleSpecURL = "spec/core/simple.html";
   /**
    * @param {Node} node

tests/spec/w3c/linter-rules/required-sections-spec.js

@@ -9,11 +9,13 @@ import {
   warningFilters,
 } from "../../SpecHelper.js";
 import { requiresSomeSectionStatus } from "../../../../src/w3c/linter-rules/required-sections.js";
+import { seedGroupCache } from "../../respec-cache-helper.js";
 
 describe("w3c — required-sections", () => {
   afterAll(() => {
     flushIframes();
   });
+  beforeAll(seedGroupCache);
 
   const errorsFilter = errorFilters.filter(
     "w3c/linter-rules/required-sections"

tests/spec/w3c/seo-spec.js

@@ -2,9 +2,11 @@
 
 import { flushIframes, makeRSDoc, makeStandardOps } from "../SpecHelper.js";
 import { requiresCanonicalLink } from "../../../src/w3c/seo.js";
+import { seedGroupCache } from "../respec-cache-helper.js";
 
 describe("W3C - SEO", () => {
   afterAll(flushIframes);
+  beforeAll(seedGroupCache);
 
   it("defaults to TR as canonical URI", async () => {
     const doc = await makeRSDoc(

tests/spec/w3c/style-spec.js

@@ -7,6 +7,8 @@ import {
   makeStandardOps,
 } from "../SpecHelper.js";
 
+import { seedGroupCache } from "../respec-cache-helper.js";
+
 const statuses = [
   {
     specStatus: undefined,
@@ -163,6 +165,7 @@ const statuses = [
 
 describe("W3C - Style", () => {
   afterAll(flushIframes);
+  beforeAll(seedGroupCache);
 
   it("should include 'fixup.js'", async () => {
     const ops = makeStandardOps();