feat(test): validate commands and generators

bin/commands/__tests__/index.test.mjs

@@ -0,0 +1,30 @@
+import assert from 'node:assert/strict';
+import { describe, it } from 'node:test';
+
+import { Option } from 'commander';
+
+import commands from '../index.mjs';
+
+describe('Commands', () => {
+  it('should have unique command names', () => {
+    const names = new Set();
+
+    commands.forEach(({ name }) => {
+      assert.equal(names.has(name), false, `Duplicate command name: "${name}"`);
+      names.add(name);
+    });
+  });
+
+  it('should use correct option names', () => {
+    commands.forEach(({ name: cmdName, options }) => {
+      Object.entries(options).forEach(([optName, { flags }]) => {
+        const expectedName = new Option(flags.at(-1)).attributeName();
+        assert.equal(
+          optName,
+          expectedName,
+          `In "${cmdName}" command: option "${flags}" should be named "${expectedName}", not "${optName}"`
+        );
+      });
+    });
+  });
+});