cli: add simple integration tests

test/integration/bin/cli.js

@@ -0,0 +1,40 @@
+const { execSync } = require('node:child_process');
+const uuid = require('uuid').v4;
+
+describe('cli', () => {
+  it('should return status code 1 if no command is issued', () => {
+    let thrown = false; // pattern from test/unit/util/crypto.js
+    try {
+      cli('--email example@example.com');
+    } catch (err) {
+      err.status.should.equal(1);
+      thrown = true;
+    }
+    thrown.should.equal(true);
+  });
+
+  describe('command: user-create', () => {
+    it('should return status code 0 and user details on success', () => {
+      const email = randomEmail();
+
+      const [, , js] = cli(`--email ${email} user-create`, { input: 'strong-password-101' })
+        .match(/^([^{]*)(.*)$/ms);
+
+      js.should.match(new RegExp(`email: '${email}',`));
+      js.should.not.match(/password/);
+    });
+  });
+});
+
+// eslint-disable-next-line no-use-before-define
+function cli(argString, opts) {
+  return execSync(
+    'node lib/bin/cli.js ' + argString,
+    { encoding: 'utf-8', stdio: ['pipe', 'pipe', 'ignore'], ...opts },
+  );
+}
+
+// eslint-disable-next-line no-use-before-define
+function randomEmail() {
+  return uuid() + '@example.com';
+}