feat(queue): mosaic queue CLI surface (#404)

packages/queue/src/cli.spec.ts

@@ -0,0 +1,62 @@
+import { describe, it, expect } from 'vitest';
+import { Command } from 'commander';
+import { registerQueueCommand } from './cli.js';
+
+describe('registerQueueCommand', () => {
+  function buildProgram(): Command {
+    const program = new Command('mosaic');
+    registerQueueCommand(program);
+    return program;
+  }
+
+  it('registers a "queue" subcommand', () => {
+    const program = buildProgram();
+    const queueCmd = program.commands.find((c) => c.name() === 'queue');
+    expect(queueCmd).toBeDefined();
+  });
+
+  it('queue has list, stats, pause, resume, jobs, drain subcommands', () => {
+    const program = buildProgram();
+    const queueCmd = program.commands.find((c) => c.name() === 'queue');
+    expect(queueCmd).toBeDefined();
+
+    const names = queueCmd!.commands.map((c) => c.name());
+    expect(names).toContain('list');
+    expect(names).toContain('stats');
+    expect(names).toContain('pause');
+    expect(names).toContain('resume');
+    expect(names).toContain('jobs');
+    expect(names).toContain('drain');
+  });
+
+  it('jobs subcommand has a "tail" subcommand', () => {
+    const program = buildProgram();
+    const queueCmd = program.commands.find((c) => c.name() === 'queue');
+    const jobsCmd = queueCmd!.commands.find((c) => c.name() === 'jobs');
+    expect(jobsCmd).toBeDefined();
+
+    const tailCmd = jobsCmd!.commands.find((c) => c.name() === 'tail');
+    expect(tailCmd).toBeDefined();
+  });
+
+  it('drain has a --yes option', () => {
+    const program = buildProgram();
+    const queueCmd = program.commands.find((c) => c.name() === 'queue');
+    const drainCmd = queueCmd!.commands.find((c) => c.name() === 'drain');
+    expect(drainCmd).toBeDefined();
+
+    const optionNames = drainCmd!.options.map((o) => o.long);
+    expect(optionNames).toContain('--yes');
+  });
+
+  it('stats accepts an optional [name] argument', () => {
+    const program = buildProgram();
+    const queueCmd = program.commands.find((c) => c.name() === 'queue');
+    const statsCmd = queueCmd!.commands.find((c) => c.name() === 'stats');
+    expect(statsCmd).toBeDefined();
+    // Should not throw when called without argument
+    const args = statsCmd!.registeredArguments;
+    expect(args.length).toBe(1);
+    expect(args[0]!.required).toBe(false);
+  });
+});