chore: import upstream snapshot with attribution

2026-07-13 12:18:57 +08:00
commit e6ed586119
131 changed files with 17114 additions and 0 deletions
@@ -0,0 +1,49 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { describe, it, expect } from 'bun:test';
+import { join } from 'node:path';
+
+const CLI = join(import.meta.dir, '../index.ts');
+
+function runCli(args: string[]): { code: number | null; stdout: string; stderr: string } {
+  const proc = Bun.spawnSync(['bun', 'run', CLI, ...args], { stdout: 'pipe', stderr: 'pipe' });
+  return {
+    code: proc.exitCode,
+    stdout: Buffer.from(proc.stdout).toString('utf-8'),
+    stderr: Buffer.from(proc.stderr).toString('utf-8'),
+  };
+}
+
+describe('CLI error output', () => {
+  it('exits 2 with a friendly error and no stack trace when the input file is missing', () => {
+    const { code, stdout, stderr } = runCli(['lint', 'definitely-does-not-exist-90af.md']);
+    expect(code).toBe(2);
+    expect(stdout).toBe('');
+    // Exactly one line on stderr — no second, stack-trace error.
+    const lines = stderr.trim().split('\n').filter(Boolean);
+    expect(lines.length).toBe(1);
+    expect(lines[0]).toContain('not found');
+    expect(lines[0]).toContain('definitely-does-not-exist-90af.md');
+  });
+
+  it('reports an unknown export format with a coded error envelope and exit 1', () => {
+    // Format is validated before any input is read, so the file path is unused.
+    const { code, stderr } = runCli(['export', '--format', 'bogus', 'unused.md']);
+    expect(code).toBe(1);
+    const err = JSON.parse(stderr.trim());
+    expect(err.error).toBe('INVALID_FORMAT');
+    expect(err.message).toContain('Invalid format');
+  });
+});