feat: connect application input and output boundaries

scripts/check-architecture.mjs

@@ -1,4 +1,4 @@
-import { mkdir, writeFile } from "node:fs/promises";
+import { mkdir, readdir, writeFile } from "node:fs/promises";
 import { spawnSync } from "node:child_process";
 
 await mkdir("artifacts/quality", { recursive: true });
@@ -60,10 +60,51 @@ const forbidden = runPnpm(
   ],
 );
 
-if (allowed.status !== 0 || forbidden.status === 0) {
+/** @param {string} directory @returns {Promise<string[]>} */
+async function fixtureFiles(directory) {
+  const entries = await readdir(directory, { withFileTypes: true });
+  const files = await Promise.all(
+    entries.map((entry) => {
+      const target = `${directory}/${entry.name}`;
+      return entry.isDirectory()
+        ? fixtureFiles(target)
+        : /\.(?:js|jsx|mjs|ts|tsx|mts)$/.test(entry.name)
+          ? [target]
+          : [];
+    }),
+  );
+  return files.flat();
+}
+
+const forbiddenResults = await Promise.all(
+  (await fixtureFiles("tests/fixtures/architecture/forbidden")).map((file) => ({
+    file,
+    result: runPnpm([
+      "exec",
+      "eslint",
+      file,
+      "--no-ignore",
+      "--max-warnings=0",
+    ]),
+  })),
+);
+const acceptedForbidden = forbiddenResults.filter(
+  ({ result }) => result.status === 0,
+);
+
+if (
+  allowed.status !== 0 ||
+  forbidden.status === 0 ||
+  acceptedForbidden.length > 0
+) {
   process.stderr.write(allowed.stderr || allowed.stdout);
   process.stderr.write(forbidden.stderr || forbidden.stdout);
+  for (const { file } of acceptedForbidden) {
+    process.stderr.write(`Forbidden fixture was accepted: ${file}\n`);
+  }
   process.exit(1);
 }
 
-process.stdout.write("Architecture fixtures: allowed PASS, forbidden rejected\n");
+process.stdout.write(
+  `Architecture fixtures: allowed PASS, ${forbiddenResults.length} forbidden rejected\n`,
+);