Reduce repeated compiler startup in monorepo QX formatting

2026-10-13 05:37:58 -07:00
parent e92b08025c
commit 85163b6e67
2 changed files with 79 additions and 0 deletions
@@ -0,0 +1,55 @@
+import assert from "node:assert/strict";
+import { spawnSync } from "node:child_process";
+import { mkdtempSync, readFileSync, writeFileSync, rmSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join, resolve } from "node:path";
+import test from "node:test";
+import { formatQx } from "../src/capability-language/source.js";
+
+const cli = resolve(process.cwd(), "dist/src/capability-language/tool-cli.js");
+const run = (...args: string[]) => spawnSync(process.execPath, [cli, "format", ...args], { encoding: "utf8" });
+const source = `workspace Test id "w" revision "w@1" commit "${"1".repeat(40)}" {\n// 雪 🦊 comment preserved\n}\n`;
+
+test("QX batch checks are read-only; writes match single-file formatting and remain idempotent", (t) => {
+  const root = mkdtempSync(join(tmpdir(), "qx-format-"));
+  t.after(() => rmSync(root, { recursive: true, force: true }));
+  const files = [join(root, "one.qx"), join(root, "two 雪.qx")];
+  for (const file of files) writeFileSync(file, source);
+  const check = run("--check", ...files);
+  assert.notEqual(check.status, 0, check.stderr);
+  for (const file of files) {
+    assert(check.stderr.includes(file));
+    assert.equal(readFileSync(file, "utf8"), source);
+  }
+  const single = run(files[0]!);
+  assert.equal(single.status, 0, single.stderr);
+  assert.equal(single.stdout, formatQx(source));
+  const write = run("--write", ...files);
+  assert.equal(write.status, 0, write.stderr);
+  for (const file of files) assert.equal(readFileSync(file, "utf8"), single.stdout);
+  assert.equal(run("--check", ...files).status, 0);
+  assert.equal(run("--write", ...files).stdout, "");
+  writeFileSync(files[0]!, source);
+  assert.equal(run(files[0]!, "--write").status, 0);
+  assert.equal(readFileSync(files[0]!, "utf8"), single.stdout);
+});
+
+test("QX batch errors report every failure and do not truncate valid work", (t) => {
+  const root = mkdtempSync(join(tmpdir(), "qx-format-errors-"));
+  t.after(() => rmSync(root, { recursive: true, force: true }));
+  const broken = join(root, "broken.qx"),
+    missing = join(root, "missing.qx"),
+    valid = join(root, "valid.qx");
+  writeFileSync(broken, "workspace { invalid");
+  writeFileSync(valid, source);
+  const result = run("--write", broken, missing, valid);
+  assert.notEqual(result.status, 0);
+  assert(result.stderr.includes(broken));
+  assert(result.stderr.includes(missing));
+  assert.equal(readFileSync(broken, "utf8"), "workspace { invalid");
+  assert.equal(readFileSync(valid, "utf8"), formatQx(source));
+  writeFileSync(valid, source);
+  assert.notEqual(run("--write", valid, "--unknown").status, 0);
+  assert.equal(readFileSync(valid, "utf8"), source, "Validate arguments before writing any file");
+  assert.notEqual(run("--check").status, 0);
+});