Add test on shortname continuity (#1387)

This validates that shortnames present in the latest published version
of web-specs will continue to exist in the upcoming version, either as
shortnames or as former names.

Fixes #1195 with help from Vital, thx!

test/shortname-continuity.js

@@ -0,0 +1,32 @@
+// Tests may run against a test version of the index file
+const specs = require(process.env.testIndex ?? "../index.json");
+const assert = require("assert");
+const os = require("os");
+const fs = require("fs");
+const path = require("path");
+const util = require("util");
+const exec = util.promisify(require("child_process").exec);
+
+describe("The build", function () {
+ this.slow(30000);
+ this.timeout(60000);
+
+ let tmpdir;
+
+ before(async () => {
+ tmpdir = await fs.promises.mkdtemp(path.join(os.tmpdir(), "web-specs-"));
+ await exec("npm install web-specs", { cwd: tmpdir });
+ });
+
+ it("preserves shortnames", () => {
+ const lastPublishedSpecs = require(path.join(
+ tmpdir, "node_modules", "web-specs", "index.json"));
+
+ const shortnames = lastPublishedSpecs.map(spec => spec.shortname);
+ const wrong = shortnames.filter(shortname => !specs.find(spec =>
+ spec.shortname === shortname ||
+ spec.formerNames?.includes(shortname))
+ );
+ assert.deepStrictEqual(wrong, []);
+ });
+});