test(FN-4655): complete Step 4 — guard Dockerfile workspace manifest copies

Fusion-Task-Id: FN-4655
Fusion-Task-Lineage: acc30c83-6090-444e-a0de-6c30ca5ac887

scripts/__tests__/dockerfile-workspace-manifests.test.mjs

@@ -0,0 +1,77 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { readFileSync, readdirSync, existsSync } from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import YAML from "yaml";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const repoRoot = path.resolve(__dirname, "../..");
+
+function readWorkspacePackageManifestPaths() {
+  const workspacePath = path.join(repoRoot, "pnpm-workspace.yaml");
+  const workspace = YAML.parse(readFileSync(workspacePath, "utf8"));
+  const entries = Array.isArray(workspace?.packages) ? workspace.packages : [];
+  const manifestPaths = new Set();
+
+  for (const entry of entries) {
+    if (entry === "packages/*") {
+      const packageDirs = readdirSync(path.join(repoRoot, "packages"), { withFileTypes: true })
+        .filter((dirent) => dirent.isDirectory())
+        .map((dirent) => dirent.name);
+      for (const dir of packageDirs) {
+        const manifest = `packages/${dir}/package.json`;
+        if (existsSync(path.join(repoRoot, manifest))) {
+          manifestPaths.add(manifest);
+        }
+      }
+      continue;
+    }
+
+    if (entry === "plugins/examples/*") {
+      const exampleDirs = readdirSync(path.join(repoRoot, "plugins/examples"), { withFileTypes: true })
+        .filter((dirent) => dirent.isDirectory())
+        .map((dirent) => dirent.name);
+      for (const dir of exampleDirs) {
+        const manifest = `plugins/examples/${dir}/package.json`;
+        if (existsSync(path.join(repoRoot, manifest))) {
+          manifestPaths.add(manifest);
+        }
+      }
+      continue;
+    }
+
+    const manifest = `${entry}/package.json`;
+    if (existsSync(path.join(repoRoot, manifest))) {
+      manifestPaths.add(manifest);
+    }
+  }
+
+  return manifestPaths;
+}
+
+function readDockerfileCopiedManifestPaths() {
+  const dockerfile = readFileSync(path.join(repoRoot, "Dockerfile"), "utf8");
+  const copied = new Set();
+  for (const match of dockerfile.matchAll(/^COPY\s+(\S+)\s+\.\/\S+$/gm)) {
+    const source = match[1];
+    if (source.endsWith("/package.json")) {
+      copied.add(source);
+    }
+  }
+  return { copied, dockerfile };
+}
+
+test("Dockerfile builder manifest copy list covers pnpm workspace package manifests", () => {
+  const expected = readWorkspacePackageManifestPaths();
+  const { copied } = readDockerfileCopiedManifestPaths();
+
+  const missing = [...expected].filter((manifest) => !copied.has(manifest));
+  assert.deepEqual(missing, []);
+});
+
+test("Dockerfile no longer references removed packages/tui package.json", () => {
+  const { dockerfile } = readDockerfileCopiedManifestPaths();
+  assert.ok(!dockerfile.includes("COPY packages/tui/package.json ./packages/tui/package.json"));
+});