test: cover repository base paths in performance budgets

Author: mohsinht

tests/performance-check.test.mjs

@@ -0,0 +1,31 @@
+import assert from "node:assert/strict"
+import { mkdir, mkdtemp, writeFile } from "node:fs/promises"
+import { tmpdir } from "node:os"
+import path from "node:path"
+import { spawnSync } from "node:child_process"
+import test from "node:test"
+import { fileURLToPath } from "node:url"
+
+const repository = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..")
+
+test("performance check supports a repository base path", async () => {
+  const fixture = await mkdtemp(path.join(tmpdir(), "zaati-performance-"))
+  await mkdir(path.join(fixture, "dist", "assets"), { recursive: true })
+  await mkdir(path.join(fixture, "dist", "data"), { recursive: true })
+  await writeFile(
+    path.join(fixture, "dist", "index.html"),
+    '<script src="/my-fork/theme-init.js"></script><script src="/my-fork/assets/app.js"></script><link href="/my-fork/assets/app.css" rel="stylesheet">',
+  )
+  await writeFile(path.join(fixture, "dist", "theme-init.js"), "document.documentElement.dataset.theme='default'")
+  await writeFile(path.join(fixture, "dist", "assets", "app.js"), "console.log('Zaati OS')")
+  await writeFile(path.join(fixture, "dist", "assets", "app.css"), "body{margin:0}")
+  await writeFile(path.join(fixture, "dist", "data", "dashboard-data.json"), "{}")
+
+  const result = spawnSync(process.execPath, [path.join(repository, "scripts", "check-performance.mjs")], {
+    cwd: fixture,
+    encoding: "utf8",
+  })
+
+  assert.equal(result.status, 0, result.stderr)
+  assert.match(result.stdout, /Performance budgets:/)
+})