test(FN-4493): complete Step 6 — add seeded prompt updater script tests

Fusion-Task-Id: FN-4493
Fusion-Task-Lineage: 966c7c55-fd51-4263-9d4e-87e9d06bfb6f

scripts/__tests__/replace-seeded-workflow-prompts.test.mjs

@@ -0,0 +1,90 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { mkdtempSync, rmSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join, resolve } from "node:path";
+import { execFileSync, spawnSync } from "node:child_process";
+
+const root = resolve(new URL("../../", import.meta.url).pathname);
+const scriptPath = join(root, "scripts/replace-seeded-workflow-prompts.mjs");
+const coreDistPath = join(root, "packages/core/dist/types.js");
+
+function ensureCoreDist() {
+  try {
+    execFileSync("node", ["-e", `import(${JSON.stringify(coreDistPath)})`], { stdio: "pipe" });
+  } catch {
+    execFileSync("pnpm", ["--filter", "@fusion/core", "build"], { cwd: root, stdio: "pipe" });
+  }
+}
+
+function runSql(dbPath, sql) {
+  return execFileSync("sqlite3", [dbPath, sql], { encoding: "utf8" });
+}
+
+function createDb(pathname, rows = []) {
+  runSql(pathname, "CREATE TABLE workflow_steps (id TEXT PRIMARY KEY, name TEXT NOT NULL, prompt TEXT, updatedAt TEXT);");
+  for (const row of rows) {
+    const prompt = String(row.prompt ?? "").replace(/'/g, "''");
+    const name = String(row.name ?? "").replace(/'/g, "''");
+    const updatedAt = String(row.updatedAt ?? "2026-01-01T00:00:00.000Z").replace(/'/g, "''");
+    runSql(
+      pathname,
+      `INSERT INTO workflow_steps (id, name, prompt, updatedAt) VALUES ('${row.id}','${name}','${prompt}','${updatedAt}');`,
+    );
+  }
+}
+
+test("replaces seeded workflow prompts and remains idempotent", async () => {
+  ensureCoreDist();
+  const { WORKFLOW_STEP_TEMPLATES } = await import(coreDistPath);
+  const browserPrompt = WORKFLOW_STEP_TEMPLATES.find((entry) => entry.id === "browser-verification")?.prompt;
+  assert.ok(browserPrompt);
+
+  const tempDir = mkdtempSync(join(tmpdir(), "fn4493-script-"));
+  const dbPath = join(tempDir, "fusion.db");
+  try {
+    createDb(dbPath, [
+      {
+        id: "WS-004",
+        name: "Browser Verification",
+        prompt: "legacy browser prompt",
+        updatedAt: "2026-01-01T00:00:00.000Z",
+      },
+    ]);
+
+    const run1 = spawnSync("node", [scriptPath, `--db=${dbPath}`], { encoding: "utf8", cwd: root });
+    assert.equal(run1.status, 0);
+    assert.match(run1.stdout, /WS-004: updated/);
+
+    const promptValue = runSql(dbPath, "SELECT prompt FROM workflow_steps WHERE id='WS-004';").trimEnd();
+    const updatedAtValue = runSql(dbPath, "SELECT updatedAt FROM workflow_steps WHERE id='WS-004';").trim();
+    assert.equal(promptValue, browserPrompt);
+    assert.notEqual(updatedAtValue, "2026-01-01T00:00:00.000Z");
+
+    const run2 = spawnSync("node", [scriptPath, `--db=${dbPath}`], { encoding: "utf8", cwd: root });
+    assert.equal(run2.status, 0);
+    assert.match(run2.stdout, /WS-004: no-op, already up to date/);
+
+    const runCheck = spawnSync("node", [scriptPath, `--db=${dbPath}`, "--check"], { encoding: "utf8", cwd: root });
+    assert.equal(runCheck.status, 0);
+    assert.match(runCheck.stdout, /no-op/);
+  } finally {
+    rmSync(tempDir, { recursive: true, force: true });
+  }
+});
+
+test("reports skipped when seeded rows are absent", () => {
+  ensureCoreDist();
+  const tempDir = mkdtempSync(join(tmpdir(), "fn4493-script-empty-"));
+  const dbPath = join(tempDir, "fusion.db");
+  try {
+    createDb(dbPath, []);
+    const run = spawnSync("node", [scriptPath, `--db=${dbPath}`], { encoding: "utf8", cwd: root });
+    assert.equal(run.status, 0);
+    assert.match(run.stdout, /WS-004: not present, skipping/);
+    assert.match(run.stdout, /WS-006: not present, skipping/);
+    assert.match(run.stdout, /Updated 0 row\(s\), skipped 2, no-op 0/);
+  } finally {
+    rmSync(tempDir, { recursive: true, force: true });
+  }
+});